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chrislusf/gleam
sql/ast/misc.go
String
func (i Ident) String() string { if i.Schema.O == "" { return i.Name.O } return fmt.Sprintf("%s.%s", i.Schema, i.Name) }
go
func (i Ident) String() string { if i.Schema.O == "" { return i.Name.O } return fmt.Sprintf("%s.%s", i.Schema, i.Name) }
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// String implements fmt.Stringer interface
[ "String", "implements", "fmt", ".", "Stringer", "interface" ]
a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/ast/misc.go#L594-L599
train
chrislusf/gleam
plugins/file/csv/generic_csv_reader.go
error
func (r *Reader) error(err error) error { return &ParseError{ Line: r.line, Column: r.column, Err: err, } }
go
func (r *Reader) error(err error) error { return &ParseError{ Line: r.line, Column: r.column, Err: err, } }
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// error creates a new ParseError based on err.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/plugins/file/csv/generic_csv_reader.go#L129-L135
train
chrislusf/gleam
plugins/file/csv/generic_csv_reader.go
ReadAll
func (r *Reader) ReadAll() (records [][]string, err error) { for { record, err := r.Read() if err == io.EOF { return records, nil } if err != nil { return nil, err } records = append(records, record) } }
go
func (r *Reader) ReadAll() (records [][]string, err error) { for { record, err := r.Read() if err == io.EOF { return records, nil } if err != nil { return nil, err } records = append(records, record) } }
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// ReadAll reads all the remaining records from r. // Each record is a slice of fields. // A successful call returns err == nil, not err == EOF. Because ReadAll is // defined to read until EOF, it does not treat end of file as an error to be // reported.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/plugins/file/csv/generic_csv_reader.go#L166-L177
train
chrislusf/gleam
plugins/file/csv/generic_csv_reader.go
readRune
func (r *Reader) readRune() (rune, error) { r1, _, err := r.r.ReadRune() // Handle \r\n here. We make the simplifying assumption that // anytime \r is followed by \n that it can be folded to \n. // We will not detect files which contain both \r\n and bare \n. if r1 == '\r' { r1, _, err = r.r.ReadRune() if er...
go
func (r *Reader) readRune() (rune, error) { r1, _, err := r.r.ReadRune() // Handle \r\n here. We make the simplifying assumption that // anytime \r is followed by \n that it can be folded to \n. // We will not detect files which contain both \r\n and bare \n. if r1 == '\r' { r1, _, err = r.r.ReadRune() if er...
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// readRune reads one rune from r, folding \r\n to \n and keeping track // of how far into the line we have read. r.column will point to the start // of this rune, not the end of this rune.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/plugins/file/csv/generic_csv_reader.go#L182-L199
train
chrislusf/gleam
plugins/file/csv/generic_csv_reader.go
skip
func (r *Reader) skip(delim rune) error { for { r1, err := r.readRune() if err != nil { return err } if r1 == delim { return nil } } }
go
func (r *Reader) skip(delim rune) error { for { r1, err := r.readRune() if err != nil { return err } if r1 == delim { return nil } } }
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// skip reads runes up to and including the rune delim or until error.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/plugins/file/csv/generic_csv_reader.go#L202-L212
train
chrislusf/gleam
plugins/file/csv/generic_csv_reader.go
parseRecord
func (r *Reader) parseRecord() (fields []string, err error) { // Each record starts on a new line. We increment our line // number (lines start at 1, not 0) and set column to -1 // so as we increment in readRune it points to the character we read. r.line++ r.column = -1 // Peek at the first rune. If it is an e...
go
func (r *Reader) parseRecord() (fields []string, err error) { // Each record starts on a new line. We increment our line // number (lines start at 1, not 0) and set column to -1 // so as we increment in readRune it points to the character we read. r.line++ r.column = -1 // Peek at the first rune. If it is an e...
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// parseRecord reads and parses a single csv record from r.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/plugins/file/csv/generic_csv_reader.go#L215-L248
train
chrislusf/gleam
sql/expression/scalar_function.go
NewFunction
func NewFunction(ctx context.Context, funcName string, retType *types.FieldType, args ...Expression) (Expression, error) { fc, ok := funcs[funcName] if !ok { return nil, errFunctionNotExists.GenByArgs(funcName) } funcArgs := make([]Expression, len(args)) copy(funcArgs, args) f, err := fc.getFunction(funcArgs, c...
go
func NewFunction(ctx context.Context, funcName string, retType *types.FieldType, args ...Expression) (Expression, error) { fc, ok := funcs[funcName] if !ok { return nil, errFunctionNotExists.GenByArgs(funcName) } funcArgs := make([]Expression, len(args)) copy(funcArgs, args) f, err := fc.getFunction(funcArgs, c...
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// NewFunction creates a new scalar function or constant.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/expression/scalar_function.go#L65-L81
train
chrislusf/gleam
distributed/driver/scheduler/market/cda_market.go
AddDemand
func (m *Market) AddDemand(r Requirement, bid float64, retChan chan Supply) { m.Lock.Lock() defer m.Lock.Unlock() if len(m.Supplies) > 0 { supply, matched := m.pickBestSupplyFor(r) if matched { retChan <- supply close(retChan) return } } m.Demands = append(m.Demands, Demand{ Requirement: r, Bid...
go
func (m *Market) AddDemand(r Requirement, bid float64, retChan chan Supply) { m.Lock.Lock() defer m.Lock.Unlock() if len(m.Supplies) > 0 { supply, matched := m.pickBestSupplyFor(r) if matched { retChan <- supply close(retChan) return } } m.Demands = append(m.Demands, Demand{ Requirement: r, Bid...
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// retChan should be a buffered channel
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/distributed/driver/scheduler/market/cda_market.go#L63-L81
train
chrislusf/gleam
util/printf.go
TsvPrintf
func TsvPrintf(writer io.Writer, reader io.Reader, format string) error { return TakeTsv(reader, -1, func(args []string) error { var objects []interface{} for _, arg := range args { objects = append(objects, arg) } if len(objects) > 0 { _, err := fmt.Fprintf(writer, format, objects...) return err } ...
go
func TsvPrintf(writer io.Writer, reader io.Reader, format string) error { return TakeTsv(reader, -1, func(args []string) error { var objects []interface{} for _, arg := range args { objects = append(objects, arg) } if len(objects) > 0 { _, err := fmt.Fprintf(writer, format, objects...) return err } ...
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// TsvPrintf reads TSV lines from reader, // and formats according to a format specifier and writes to writer.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/util/printf.go#L12-L24
train
chrislusf/gleam
util/printf.go
Fprintf
func Fprintf(writer io.Writer, reader io.Reader, format string) error { return ProcessMessage(reader, func(encodedBytes []byte) error { var decodedObjects []interface{} var row *Row var err error // fmt.Printf("chan input encoded: %s\n", string(encodedBytes)) if row, err = DecodeRow(encodedBytes); err != ni...
go
func Fprintf(writer io.Writer, reader io.Reader, format string) error { return ProcessMessage(reader, func(encodedBytes []byte) error { var decodedObjects []interface{} var row *Row var err error // fmt.Printf("chan input encoded: %s\n", string(encodedBytes)) if row, err = DecodeRow(encodedBytes); err != ni...
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// Fprintf reads MessagePack encoded messages from reader, // and formats according to a format specifier and writes to writer.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/util/printf.go#L28-L45
train
chrislusf/gleam
util/printf.go
PrintDelimited
func PrintDelimited(stat *pb.InstructionStat, reader io.Reader, writer io.Writer, delimiter string, lineSperator string) error { return ProcessMessage(reader, func(encodedBytes []byte) error { var row *Row var err error // fmt.Printf("chan input encoded: %s\n", string(encodedBytes)) if row, err = DecodeRow(enc...
go
func PrintDelimited(stat *pb.InstructionStat, reader io.Reader, writer io.Writer, delimiter string, lineSperator string) error { return ProcessMessage(reader, func(encodedBytes []byte) error { var row *Row var err error // fmt.Printf("chan input encoded: %s\n", string(encodedBytes)) if row, err = DecodeRow(enc...
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// PrintDelimited Reads and formats MessagePack encoded messages // with delimiter and lineSeparator.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/util/printf.go#L49-L75
train
chrislusf/gleam
sql/plan/match_property.go
matchPropColumn
func matchPropColumn(prop *requiredProperty, matchedIdx int, idxCol *model.IndexColumn) int { if matchedIdx < prop.sortKeyLen { // When walking through the first sorKeyLen column, // we should make sure to match them as the columns order exactly. // So we must check the column in position of matchedIdx. propCo...
go
func matchPropColumn(prop *requiredProperty, matchedIdx int, idxCol *model.IndexColumn) int { if matchedIdx < prop.sortKeyLen { // When walking through the first sorKeyLen column, // we should make sure to match them as the columns order exactly. // So we must check the column in position of matchedIdx. propCo...
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// matchPropColumn checks if the idxCol match one of columns in required property and return the matched index. // If no column is matched, return -1.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/plan/match_property.go#L79-L97
train
chrislusf/gleam
sql/util/types/datum.go
SetRow
func (d *Datum) SetRow(ds []Datum) { d.k = KindRow d.x = ds }
go
func (d *Datum) SetRow(ds []Datum) { d.k = KindRow d.x = ds }
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// SetRow sets row value.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum.go#L198-L201
train
chrislusf/gleam
sql/util/types/datum.go
GetMysqlBit
func (d *Datum) GetMysqlBit() Bit { width := int(d.length) value := uint64(d.i) return Bit{Value: value, Width: width} }
go
func (d *Datum) GetMysqlBit() Bit { width := int(d.length) value := uint64(d.i) return Bit{Value: value, Width: width} }
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// GetMysqlBit gets Bit value
[ "GetMysqlBit", "gets", "Bit", "value" ]
a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum.go#L210-L214
train
chrislusf/gleam
sql/util/types/datum.go
SetMysqlBit
func (d *Datum) SetMysqlBit(b Bit) { d.k = KindMysqlBit d.length = uint32(b.Width) d.i = int64(b.Value) }
go
func (d *Datum) SetMysqlBit(b Bit) { d.k = KindMysqlBit d.length = uint32(b.Width) d.i = int64(b.Value) }
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// SetMysqlBit sets Bit value
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum.go#L217-L221
train
chrislusf/gleam
sql/util/types/datum.go
GetMysqlEnum
func (d *Datum) GetMysqlEnum() Enum { return Enum{Value: uint64(d.i), Name: hack.String(d.b)} }
go
func (d *Datum) GetMysqlEnum() Enum { return Enum{Value: uint64(d.i), Name: hack.String(d.b)} }
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// GetMysqlEnum gets Enum value
[ "GetMysqlEnum", "gets", "Enum", "value" ]
a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum.go#L247-L249
train
chrislusf/gleam
sql/util/types/datum.go
SetMysqlHex
func (d *Datum) SetMysqlHex(b Hex) { d.k = KindMysqlHex d.i = b.Value }
go
func (d *Datum) SetMysqlHex(b Hex) { d.k = KindMysqlHex d.i = b.Value }
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// SetMysqlHex sets Hex value
[ "SetMysqlHex", "sets", "Hex", "value" ]
a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum.go#L265-L268
train
chrislusf/gleam
sql/util/types/datum.go
Cast
func (d *Datum) Cast(sc *variable.StatementContext, target *FieldType) (ad Datum, err error) { if !isCastType(target.Tp) { return ad, errors.Errorf("unknown cast type - %v", target) } return d.ConvertTo(sc, target) }
go
func (d *Datum) Cast(sc *variable.StatementContext, target *FieldType) (ad Datum, err error) { if !isCastType(target.Tp) { return ad, errors.Errorf("unknown cast type - %v", target) } return d.ConvertTo(sc, target) }
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// Cast casts datum to certain types.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum.go#L636-L641
train
chrislusf/gleam
sql/util/types/datum.go
ToString
func (d *Datum) ToString() (string, error) { switch d.Kind() { case KindInt64: return strconv.FormatInt(d.GetInt64(), 10), nil case KindUint64: return strconv.FormatUint(d.GetUint64(), 10), nil case KindFloat32: return strconv.FormatFloat(float64(d.GetFloat32()), 'f', -1, 32), nil case KindFloat64: return ...
go
func (d *Datum) ToString() (string, error) { switch d.Kind() { case KindInt64: return strconv.FormatInt(d.GetInt64(), 10), nil case KindUint64: return strconv.FormatUint(d.GetUint64(), 10), nil case KindFloat32: return strconv.FormatFloat(float64(d.GetFloat32()), 'f', -1, 32), nil case KindFloat64: return ...
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// ToString gets the string representation of the datum.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum.go#L1299-L1330
train
chrislusf/gleam
sql/util/types/datum.go
CoerceDatum
func CoerceDatum(sc *variable.StatementContext, a, b Datum) (x, y Datum, err error) { if a.IsNull() || b.IsNull() { return x, y, nil } var ( hasUint bool hasDecimal bool hasFloat bool ) x = a.convergeType(&hasUint, &hasDecimal, &hasFloat) y = b.convergeType(&hasUint, &hasDecimal, &hasFloat) if hasFl...
go
func CoerceDatum(sc *variable.StatementContext, a, b Datum) (x, y Datum, err error) { if a.IsNull() || b.IsNull() { return x, y, nil } var ( hasUint bool hasDecimal bool hasFloat bool ) x = a.convergeType(&hasUint, &hasDecimal, &hasFloat) y = b.convergeType(&hasUint, &hasDecimal, &hasFloat) if hasFl...
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// CoerceDatum changes type. // If a or b is Float, changes the both to Float. // Else if a or b is Decimal, changes the both to Decimal. // Else if a or b is Uint and op is not div, mod, or intDiv changes the both to Uint.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum.go#L1357-L1423
train
chrislusf/gleam
sql/util/types/datum.go
DatumsToInterfaces
func DatumsToInterfaces(datums []Datum) []interface{} { ins := make([]interface{}, len(datums)) for i, v := range datums { ins[i] = v.GetValue() } return ins }
go
func DatumsToInterfaces(datums []Datum) []interface{} { ins := make([]interface{}, len(datums)) for i, v := range datums { ins[i] = v.GetValue() } return ins }
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// DatumsToInterfaces converts a datum slice to interface slice.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum.go#L1494-L1500
train
chrislusf/gleam
sql/util/types/datum.go
SortDatums
func SortDatums(sc *variable.StatementContext, datums []Datum) error { sorter := datumsSorter{datums: datums, sc: sc} sort.Sort(&sorter) return sorter.err }
go
func SortDatums(sc *variable.StatementContext, datums []Datum) error { sorter := datumsSorter{datums: datums, sc: sc} sort.Sort(&sorter) return sorter.err }
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// SortDatums sorts a slice of datum.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum.go#L1536-L1540
train
chrislusf/gleam
sql/expression/builtin_time.go
errorOrWarning
func errorOrWarning(err error, ctx context.Context) error { sc := ctx.GetSessionVars().StmtCtx // TODO: Use better name, such as sc.IsInsert instead of sc.IgnoreTruncate. if ctx.GetSessionVars().StrictSQLMode && !sc.IgnoreTruncate { return errors.Trace(types.ErrInvalidTimeFormat) } sc.AppendWarning(err) return ...
go
func errorOrWarning(err error, ctx context.Context) error { sc := ctx.GetSessionVars().StmtCtx // TODO: Use better name, such as sc.IsInsert instead of sc.IgnoreTruncate. if ctx.GetSessionVars().StrictSQLMode && !sc.IgnoreTruncate { return errors.Trace(types.ErrInvalidTimeFormat) } sc.AppendWarning(err) return ...
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// errorOrWarning reports error or warning depend on the context.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/expression/builtin_time.go#L1516-L1524
train
chrislusf/gleam
sql/expression/builtin_other.go
BuiltinValuesFactory
func BuiltinValuesFactory(offset int) BuiltinFunc { return func(_ []types.Datum, ctx context.Context) (d types.Datum, err error) { values := ctx.GetSessionVars().CurrInsertValues if values == nil { err = errors.New("Session current insert values is nil") return } row := values.([]types.Datum) if len(ro...
go
func BuiltinValuesFactory(offset int) BuiltinFunc { return func(_ []types.Datum, ctx context.Context) (d types.Datum, err error) { values := ctx.GetSessionVars().CurrInsertValues if values == nil { err = errors.New("Session current insert values is nil") return } row := values.([]types.Datum) if len(ro...
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// BuiltinValuesFactory generates values builtin function.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/expression/builtin_other.go#L391-L405
train
chrislusf/gleam
instruction/utils.go
newChannelOfValuesWithSameKey
func newChannelOfValuesWithSameKey(name string, sortedChan io.Reader, indexes []int) chan util.Row { writer := make(chan util.Row, 1024) go func() { defer close(writer) firstRow, err := util.ReadRow(sortedChan) if err != nil { if err != io.EOF { fmt.Fprintf(os.Stderr, "%s join read first row error: %v\...
go
func newChannelOfValuesWithSameKey(name string, sortedChan io.Reader, indexes []int) chan util.Row { writer := make(chan util.Row, 1024) go func() { defer close(writer) firstRow, err := util.ReadRow(sortedChan) if err != nil { if err != io.EOF { fmt.Fprintf(os.Stderr, "%s join read first row error: %v\...
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// create a channel to aggregate values of the same key // automatically close original sorted channel
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/instruction/utils.go#L32-L78
train
chrislusf/gleam
sql/util/printer/printer.go
GetPrintResult
func GetPrintResult(cols []string, datas [][]string) (string, bool) { if !checkValidity(cols, datas) { return "", false } var value []byte maxColLen := getMaxColLen(cols, datas) value = append(value, getPrintDivLine(maxColLen)...) value = append(value, getPrintCol(cols, maxColLen)...) value = append(value, g...
go
func GetPrintResult(cols []string, datas [][]string) (string, bool) { if !checkValidity(cols, datas) { return "", false } var value []byte maxColLen := getMaxColLen(cols, datas) value = append(value, getPrintDivLine(maxColLen)...) value = append(value, getPrintCol(cols, maxColLen)...) value = append(value, g...
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// GetPrintResult gets a result with a formatted string.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/printer/printer.go#L122-L136
train
chrislusf/gleam
sql/expression/helper.go
IsCurrentTimeExpr
func IsCurrentTimeExpr(e ast.ExprNode) bool { x, ok := e.(*ast.FuncCallExpr) if !ok { return false } return x.FnName.L == currentTimestampL }
go
func IsCurrentTimeExpr(e ast.ExprNode) bool { x, ok := e.(*ast.FuncCallExpr) if !ok { return false } return x.FnName.L == currentTimestampL }
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// IsCurrentTimeExpr returns whether e is CurrentTimeExpr.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/expression/helper.go#L129-L135
train
chrislusf/gleam
distributed/plan/plan_physical.go
translateToTaskGroups
func translateToTaskGroups(stepId2StepGroup []*StepGroup) (ret []*TaskGroup) { for _, stepGroup := range stepId2StepGroup { assertSameNumberOfTasks(stepGroup.Steps) count := len(stepGroup.Steps[0].Tasks) // println("dealing with", stepGroup.Steps[0].Name, "tasks:", len(stepGroup.Steps[0].Tasks)) for i := 0; i ...
go
func translateToTaskGroups(stepId2StepGroup []*StepGroup) (ret []*TaskGroup) { for _, stepGroup := range stepId2StepGroup { assertSameNumberOfTasks(stepGroup.Steps) count := len(stepGroup.Steps[0].Tasks) // println("dealing with", stepGroup.Steps[0].Name, "tasks:", len(stepGroup.Steps[0].Tasks)) for i := 0; i ...
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// group local tasks into one task group
[ "group", "local", "tasks", "into", "one", "task", "group" ]
a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/distributed/plan/plan_physical.go#L10-L29
train
chrislusf/gleam
sql/plan/planbuilder.go
splitWhere
func splitWhere(where ast.ExprNode) []ast.ExprNode { var conditions []ast.ExprNode switch x := where.(type) { case nil: case *ast.BinaryOperationExpr: if x.Op == opcode.AndAnd { conditions = append(conditions, splitWhere(x.L)...) conditions = append(conditions, splitWhere(x.R)...) } else { conditions =...
go
func splitWhere(where ast.ExprNode) []ast.ExprNode { var conditions []ast.ExprNode switch x := where.(type) { case nil: case *ast.BinaryOperationExpr: if x.Op == opcode.AndAnd { conditions = append(conditions, splitWhere(x.L)...) conditions = append(conditions, splitWhere(x.R)...) } else { conditions =...
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// splitWhere split a where expression to a list of AND conditions.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/plan/planbuilder.go#L250-L267
train
chrislusf/gleam
sql/util/types/datum_eval.go
CoerceArithmetic
func CoerceArithmetic(sc *variable.StatementContext, a Datum) (d Datum, err error) { switch a.Kind() { case KindString, KindBytes: // MySQL will convert string to float for arithmetic operation f, err := StrToFloat(sc, a.GetString()) if err != nil { return d, errors.Trace(err) } d.SetFloat64(f) return ...
go
func CoerceArithmetic(sc *variable.StatementContext, a Datum) (d Datum, err error) { switch a.Kind() { case KindString, KindBytes: // MySQL will convert string to float for arithmetic operation f, err := StrToFloat(sc, a.GetString()) if err != nil { return d, errors.Trace(err) } d.SetFloat64(f) return ...
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// CoerceArithmetic converts datum to appropriate datum for arithmetic computing.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum_eval.go#L25-L72
train
chrislusf/gleam
sql/util/types/datum_eval.go
ComputePlus
func ComputePlus(a, b Datum) (d Datum, err error) { switch a.Kind() { case KindInt64: switch b.Kind() { case KindInt64: r, err1 := AddInt64(a.GetInt64(), b.GetInt64()) d.SetInt64(r) return d, errors.Trace(err1) case KindUint64: r, err1 := AddInteger(b.GetUint64(), a.GetInt64()) d.SetUint64(r) ...
go
func ComputePlus(a, b Datum) (d Datum, err error) { switch a.Kind() { case KindInt64: switch b.Kind() { case KindInt64: r, err1 := AddInt64(a.GetInt64(), b.GetInt64()) d.SetInt64(r) return d, errors.Trace(err1) case KindUint64: r, err1 := AddInteger(b.GetUint64(), a.GetInt64()) d.SetUint64(r) ...
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// ComputePlus computes the result of a+b.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum_eval.go#L75-L117
train
chrislusf/gleam
sql/util/types/datum_eval.go
ComputeMinus
func ComputeMinus(a, b Datum) (d Datum, err error) { switch a.Kind() { case KindInt64: switch b.Kind() { case KindInt64: r, err1 := SubInt64(a.GetInt64(), b.GetInt64()) d.SetInt64(r) return d, errors.Trace(err1) case KindUint64: r, err1 := SubIntWithUint(a.GetInt64(), b.GetUint64()) d.SetUint64(r...
go
func ComputeMinus(a, b Datum) (d Datum, err error) { switch a.Kind() { case KindInt64: switch b.Kind() { case KindInt64: r, err1 := SubInt64(a.GetInt64(), b.GetInt64()) d.SetInt64(r) return d, errors.Trace(err1) case KindUint64: r, err1 := SubIntWithUint(a.GetInt64(), b.GetUint64()) d.SetUint64(r...
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// ComputeMinus computes the result of a-b.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum_eval.go#L120-L162
train
chrislusf/gleam
sql/util/types/datum_eval.go
ComputeMod
func ComputeMod(sc *variable.StatementContext, a, b Datum) (d Datum, err error) { switch a.Kind() { case KindInt64: x := a.GetInt64() switch b.Kind() { case KindInt64: y := b.GetInt64() if y == 0 { return d, nil } d.SetInt64(x % y) return d, nil case KindUint64: y := b.GetUint64() if ...
go
func ComputeMod(sc *variable.StatementContext, a, b Datum) (d Datum, err error) { switch a.Kind() { case KindInt64: x := a.GetInt64() switch b.Kind() { case KindInt64: y := b.GetInt64() if y == 0 { return d, nil } d.SetInt64(x % y) return d, nil case KindUint64: y := b.GetUint64() if ...
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// ComputeMod computes the result of a mod b.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum_eval.go#L255-L330
train
chrislusf/gleam
sql/util/types/datum_eval.go
decimal2RoundUint
func decimal2RoundUint(x *MyDecimal) (uint64, error) { roundX := new(MyDecimal) x.Round(roundX, 0) var ( uintX uint64 err error ) if roundX.IsNegative() { intX, err := roundX.ToInt() if err != nil && err != ErrTruncated { return 0, errors.Trace(err) } uintX = uint64(intX) } else { uintX, err = ...
go
func decimal2RoundUint(x *MyDecimal) (uint64, error) { roundX := new(MyDecimal) x.Round(roundX, 0) var ( uintX uint64 err error ) if roundX.IsNegative() { intX, err := roundX.ToInt() if err != nil && err != ErrTruncated { return 0, errors.Trace(err) } uintX = uint64(intX) } else { uintX, err = ...
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// decimal2RoundUint converts a MyDecimal to an uint64 after rounding.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum_eval.go#L400-L421
train
chrislusf/gleam
sql/util/types/datum_eval.go
ComputeBitNeg
func ComputeBitNeg(sc *variable.StatementContext, a Datum) (d Datum, err error) { aKind := a.Kind() if aKind == KindInt64 || aKind == KindUint64 { d.SetUint64(^a.GetUint64()) return } // If either is not integer, we round the operands and then use uint64 to calculate. x, err := convertNonInt2RoundUint64(sc, a)...
go
func ComputeBitNeg(sc *variable.StatementContext, a Datum) (d Datum, err error) { aKind := a.Kind() if aKind == KindInt64 || aKind == KindUint64 { d.SetUint64(^a.GetUint64()) return } // If either is not integer, we round the operands and then use uint64 to calculate. x, err := convertNonInt2RoundUint64(sc, a)...
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// ComputeBitNeg computes the result of ~a.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum_eval.go#L468-L482
train
chrislusf/gleam
sql/util/types/datum_eval.go
ComputeBitXor
func ComputeBitXor(sc *variable.StatementContext, a, b Datum) (d Datum, err error) { aKind, bKind := a.Kind(), b.Kind() if (aKind == KindInt64 || aKind == KindUint64) && (bKind == KindInt64 || bKind == KindUint64) { d.SetUint64(a.GetUint64() ^ b.GetUint64()) return } // If either is not integer, we round the op...
go
func ComputeBitXor(sc *variable.StatementContext, a, b Datum) (d Datum, err error) { aKind, bKind := a.Kind(), b.Kind() if (aKind == KindInt64 || aKind == KindUint64) && (bKind == KindInt64 || bKind == KindUint64) { d.SetUint64(a.GetUint64() ^ b.GetUint64()) return } // If either is not integer, we round the op...
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// ComputeBitXor computes the result of a ^ b.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum_eval.go#L485-L504
train
chrislusf/gleam
sql/util/types/datum_eval.go
convertNonInt2RoundUint64
func convertNonInt2RoundUint64(sc *variable.StatementContext, x Datum) (d uint64, err error) { decimalX, err := x.ToDecimal(sc) if err != nil { return d, errors.Trace(err) } d, err = decimal2RoundUint(decimalX) if err != nil { return d, errors.Trace(err) } return }
go
func convertNonInt2RoundUint64(sc *variable.StatementContext, x Datum) (d uint64, err error) { decimalX, err := x.ToDecimal(sc) if err != nil { return d, errors.Trace(err) } d, err = decimal2RoundUint(decimalX) if err != nil { return d, errors.Trace(err) } return }
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// covertNonIntegerToUint64 coverts a non-integer to an uint64
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/datum_eval.go#L551-L561
train
chrislusf/gleam
sql/expression/util.go
calculateSum
func calculateSum(sc *variable.StatementContext, sum, v types.Datum) (data types.Datum, err error) { // for avg and sum calculation // avg and sum use decimal for integer and decimal type, use float for others // see https://dev.mysql.com/doc/refman/5.7/en/group-by-functions.html switch v.Kind() { case types.Kind...
go
func calculateSum(sc *variable.StatementContext, sum, v types.Datum) (data types.Datum, err error) { // for avg and sum calculation // avg and sum use decimal for integer and decimal type, use float for others // see https://dev.mysql.com/doc/refman/5.7/en/group-by-functions.html switch v.Kind() { case types.Kind...
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// calculateSum adds v to sum.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/expression/util.go#L73-L110
train
chrislusf/gleam
util/channel_util.go
CopyMultipleReaders
func CopyMultipleReaders(readers []io.Reader, writer io.Writer) (inCounter int64, outCounter int64, e error) { writerChan := make(chan []byte, 16*len(readers)) errChan := make(chan error, len(readers)) defer close(errChan) var wg sync.WaitGroup for _, reader := range readers { wg.Add(1) go func(reader io.Re...
go
func CopyMultipleReaders(readers []io.Reader, writer io.Writer) (inCounter int64, outCounter int64, e error) { writerChan := make(chan []byte, 16*len(readers)) errChan := make(chan error, len(readers)) defer close(errChan) var wg sync.WaitGroup for _, reader := range readers { wg.Add(1) go func(reader io.Re...
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// setup asynchronously to merge multiple channels into one channel
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/util/channel_util.go#L58-L101
train
chrislusf/gleam
flow/dataset_pipe.go
Pipe
func (d *Dataset) Pipe(name, code string) *Dataset { ret, step := add1ShardTo1Step(d) step.Name = name step.Description = code step.IsPipe = true step.Command = script.NewShellScript().Pipe(code).GetCommand() return ret }
go
func (d *Dataset) Pipe(name, code string) *Dataset { ret, step := add1ShardTo1Step(d) step.Name = name step.Description = code step.IsPipe = true step.Command = script.NewShellScript().Pipe(code).GetCommand() return ret }
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// Pipe runs the code as an external program, which processes the // tab-separated input from the program's stdin, and outout to // stdout also in tab-separated lines.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/flow/dataset_pipe.go#L11-L18
train
chrislusf/gleam
instruction/local_top.go
DoLocalTop
func DoLocalTop(reader io.Reader, writer io.Writer, n int, orderBys []OrderBy, stats *pb.InstructionStat) error { pq := newMinQueueOfPairs(orderBys) err := util.ProcessRow(reader, nil, func(row *util.Row) error { stats.InputCounter++ if pq.Len() >= n { if lessThan(orderBys, pq.Top().(*util.Row), row) { ...
go
func DoLocalTop(reader io.Reader, writer io.Writer, n int, orderBys []OrderBy, stats *pb.InstructionStat) error { pq := newMinQueueOfPairs(orderBys) err := util.ProcessRow(reader, nil, func(row *util.Row) error { stats.InputCounter++ if pq.Len() >= n { if lessThan(orderBys, pq.Top().(*util.Row), row) { ...
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// DoLocalTop streamingly compare and get the top n items
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/instruction/local_top.go#L56-L92
train
chrislusf/gleam
sql/ast/expressions.go
NewValueExpr
func NewValueExpr(value interface{}) *ValueExpr { if ve, ok := value.(*ValueExpr); ok { return ve } ve := &ValueExpr{} ve.SetValue(value) types.DefaultTypeForValue(value, &ve.Type) return ve }
go
func NewValueExpr(value interface{}) *ValueExpr { if ve, ok := value.(*ValueExpr); ok { return ve } ve := &ValueExpr{} ve.SetValue(value) types.DefaultTypeForValue(value, &ve.Type) return ve }
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// NewValueExpr creates a ValueExpr with value, and sets default field type.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/ast/expressions.go#L58-L66
train
chrislusf/gleam
distributed/option.go
SetProfiling
func (o *DistributedOption) SetProfiling(isProfiling bool) *DistributedOption { o.IsProfiling = isProfiling return o }
go
func (o *DistributedOption) SetProfiling(isProfiling bool) *DistributedOption { o.IsProfiling = isProfiling return o }
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// SetProfiling profiling will generate cpu and memory profile files when the executors are completed.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/distributed/option.go#L55-L58
train
chrislusf/gleam
distributed/option.go
WithFile
func (o *DistributedOption) WithFile(relatedFile, toFolder string) *DistributedOption { relativePath, err := filepath.Rel(".", relatedFile) if err != nil { relativePath = relatedFile } o.RequiredFiles = append(o.RequiredFiles, resource.FileResource{relativePath, toFolder}) return o }
go
func (o *DistributedOption) WithFile(relatedFile, toFolder string) *DistributedOption { relativePath, err := filepath.Rel(".", relatedFile) if err != nil { relativePath = relatedFile } o.RequiredFiles = append(o.RequiredFiles, resource.FileResource{relativePath, toFolder}) return o }
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// WithFile sends any related file over to gleam agents // so the task can still access these files on gleam agents. // The files are placed on the executed task's current working directory.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/distributed/option.go#L63-L70
train
chrislusf/gleam
util/row_read_write.go
WriteTo
func (row Row) WriteTo(writer io.Writer) (err error) { encoded, err := encodeRow(row) if err != nil { return fmt.Errorf("WriteTo encoding error: %v", err) } return WriteMessage(writer, encoded) }
go
func (row Row) WriteTo(writer io.Writer) (err error) { encoded, err := encodeRow(row) if err != nil { return fmt.Errorf("WriteTo encoding error: %v", err) } return WriteMessage(writer, encoded) }
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// WriteTo encode and write a row of data to the writer
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/util/row_read_write.go#L12-L18
train
chrislusf/gleam
util/row_read_write.go
ReadRow
func ReadRow(reader io.Reader) (row *Row, err error) { encodedBytes, hasErr := ReadMessage(reader) if hasErr != nil { if hasErr != io.EOF { return row, fmt.Errorf("ReadRow ReadMessage: %v", hasErr) } return row, io.EOF } if row, err = DecodeRow(encodedBytes); err != nil { return row, fmt.Errorf("ReadRow ...
go
func ReadRow(reader io.Reader) (row *Row, err error) { encodedBytes, hasErr := ReadMessage(reader) if hasErr != nil { if hasErr != io.EOF { return row, fmt.Errorf("ReadRow ReadMessage: %v", hasErr) } return row, io.EOF } if row, err = DecodeRow(encodedBytes); err != nil { return row, fmt.Errorf("ReadRow ...
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// ReadRow read and decode one row of data
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/util/row_read_write.go#L21-L33
train
chrislusf/gleam
util/row_read_write.go
EncodeKeys
func EncodeKeys(anyObject ...interface{}) ([]byte, error) { var buf bytes.Buffer en := msgp.NewWriter(&buf) for _, obj := range anyObject { if err := en.WriteIntf(obj); err != nil { return nil, fmt.Errorf("Failed to encode key: %v", err) } } return buf.Bytes(), nil }
go
func EncodeKeys(anyObject ...interface{}) ([]byte, error) { var buf bytes.Buffer en := msgp.NewWriter(&buf) for _, obj := range anyObject { if err := en.WriteIntf(obj); err != nil { return nil, fmt.Errorf("Failed to encode key: %v", err) } } return buf.Bytes(), nil }
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// EncodeKeys encode keys to a blob, for comparing or sorting
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/util/row_read_write.go#L41-L50
train
chrislusf/gleam
util/row_read_write.go
DecodeRow
func DecodeRow(encodedBytes []byte) (*Row, error) { row := &Row{} _, err := row.UnmarshalMsg(encodedBytes) if err != nil { err = fmt.Errorf("decode row error %v: %s\n", err, string(encodedBytes)) } return row, err }
go
func DecodeRow(encodedBytes []byte) (*Row, error) { row := &Row{} _, err := row.UnmarshalMsg(encodedBytes) if err != nil { err = fmt.Errorf("decode row error %v: %s\n", err, string(encodedBytes)) } return row, err }
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// DecodeRow decodes one row of data from a blob
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/util/row_read_write.go#L53-L60
train
chrislusf/gleam
util/row_read_write.go
ProcessRow
func ProcessRow(reader io.Reader, indexes []int, f func(*Row) error) (err error) { return ProcessMessage(reader, func(input []byte) error { // read the row row, err := DecodeRow(input) if err != nil { return fmt.Errorf("DoLocalDistinct error %v: %+v", err, input) } row.UseKeys(indexes) return f(row) })...
go
func ProcessRow(reader io.Reader, indexes []int, f func(*Row) error) (err error) { return ProcessMessage(reader, func(input []byte) error { // read the row row, err := DecodeRow(input) if err != nil { return fmt.Errorf("DoLocalDistinct error %v: %+v", err, input) } row.UseKeys(indexes) return f(row) })...
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// ProcessRow Reads and processes rows until EOF
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/util/row_read_write.go#L63-L73
train
chrislusf/gleam
pb/resource_proto_helper.go
Distance
func (a *Location) Distance(b *Location) float64 { if a.DataCenter != b.DataCenter { return 1000 } if a.Rack != b.Rack { return 100 } if a.Server != b.Server { return 10 } return 1 }
go
func (a *Location) Distance(b *Location) float64 { if a.DataCenter != b.DataCenter { return 1000 } if a.Rack != b.Rack { return 100 } if a.Server != b.Server { return 10 } return 1 }
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// the distance is a relative value, similar to network lantency
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/pb/resource_proto_helper.go#L12-L23
train
chrislusf/gleam
sql/resolver/resolver.go
ResolveName
func ResolveName(node ast.Node, info infoschema.InfoSchema, ctx context.Context) error { defaultSchema := ctx.GetSessionVars().CurrentDB resolver := nameResolver{Info: info, Ctx: ctx, DefaultSchema: model.NewCIStr(defaultSchema)} node.Accept(&resolver) return errors.Trace(resolver.Err) }
go
func ResolveName(node ast.Node, info infoschema.InfoSchema, ctx context.Context) error { defaultSchema := ctx.GetSessionVars().CurrentDB resolver := nameResolver{Info: info, Ctx: ctx, DefaultSchema: model.NewCIStr(defaultSchema)} node.Accept(&resolver) return errors.Trace(resolver.Err) }
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// ResolveName resolves table name and column name. // It generates ResultFields for ResultSetNode and resolves ColumnNameExpr to a ResultField.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L30-L35
train
chrislusf/gleam
sql/resolver/resolver.go
currentContext
func (nr *nameResolver) currentContext() *resolverContext { stackLen := len(nr.contextStack) if stackLen == 0 { return nil } return nr.contextStack[stackLen-1] }
go
func (nr *nameResolver) currentContext() *resolverContext { stackLen := len(nr.contextStack) if stackLen == 0 { return nil } return nr.contextStack[stackLen-1] }
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// currentContext gets the current resolverContext.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L104-L110
train
chrislusf/gleam
sql/resolver/resolver.go
pushContext
func (nr *nameResolver) pushContext() { nr.contextStack = append(nr.contextStack, &resolverContext{ tableMap: map[string]int{}, derivedTableMap: map[string]int{}, }) }
go
func (nr *nameResolver) pushContext() { nr.contextStack = append(nr.contextStack, &resolverContext{ tableMap: map[string]int{}, derivedTableMap: map[string]int{}, }) }
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// pushContext is called when we enter a statement.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L113-L118
train
chrislusf/gleam
sql/resolver/resolver.go
popContext
func (nr *nameResolver) popContext() { nr.contextStack = nr.contextStack[:len(nr.contextStack)-1] }
go
func (nr *nameResolver) popContext() { nr.contextStack = nr.contextStack[:len(nr.contextStack)-1] }
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// popContext is called when we leave a statement.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L121-L123
train
chrislusf/gleam
sql/resolver/resolver.go
pushJoin
func (nr *nameResolver) pushJoin(j *ast.Join) { ctx := nr.currentContext() ctx.joinNodeStack = append(ctx.joinNodeStack, j) }
go
func (nr *nameResolver) pushJoin(j *ast.Join) { ctx := nr.currentContext() ctx.joinNodeStack = append(ctx.joinNodeStack, j) }
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// pushJoin is called when we enter a join node.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L126-L129
train
chrislusf/gleam
sql/resolver/resolver.go
popJoin
func (nr *nameResolver) popJoin() { ctx := nr.currentContext() ctx.joinNodeStack = ctx.joinNodeStack[:len(ctx.joinNodeStack)-1] }
go
func (nr *nameResolver) popJoin() { ctx := nr.currentContext() ctx.joinNodeStack = ctx.joinNodeStack[:len(ctx.joinNodeStack)-1] }
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// popJoin is called when we leave a join node.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L132-L135
train
chrislusf/gleam
sql/resolver/resolver.go
handleTableName
func (nr *nameResolver) handleTableName(tn *ast.TableName) { if tn.Schema.L == "" { tn.Schema = nr.DefaultSchema } ctx := nr.currentContext() if ctx.inCreateOrDropTable { // The table may not exist in create table or drop table statement. // Skip resolving the table to avoid error. return } if ctx.inDelet...
go
func (nr *nameResolver) handleTableName(tn *ast.TableName) { if tn.Schema.L == "" { tn.Schema = nr.DefaultSchema } ctx := nr.currentContext() if ctx.inCreateOrDropTable { // The table may not exist in create table or drop table statement. // Skip resolving the table to avoid error. return } if ctx.inDelet...
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// handleTableName looks up and sets the schema information and result fields for table name.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L334-L386
train
chrislusf/gleam
sql/resolver/resolver.go
handleJoin
func (nr *nameResolver) handleJoin(j *ast.Join) { if j.Right == nil { j.SetResultFields(j.Left.GetResultFields()) return } leftLen := len(j.Left.GetResultFields()) rightLen := len(j.Right.GetResultFields()) rfs := make([]*ast.ResultField, leftLen+rightLen) copy(rfs, j.Left.GetResultFields()) copy(rfs[leftLen...
go
func (nr *nameResolver) handleJoin(j *ast.Join) { if j.Right == nil { j.SetResultFields(j.Left.GetResultFields()) return } leftLen := len(j.Left.GetResultFields()) rightLen := len(j.Right.GetResultFields()) rfs := make([]*ast.ResultField, leftLen+rightLen) copy(rfs, j.Left.GetResultFields()) copy(rfs[leftLen...
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// handleJoin sets result fields for join.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L440-L451
train
chrislusf/gleam
sql/resolver/resolver.go
handleColumnName
func (nr *nameResolver) handleColumnName(cn *ast.ColumnNameExpr) { ctx := nr.currentContext() if ctx.inOnCondition { // In on condition, only tables within current join is available. nr.resolveColumnNameInOnCondition(cn) return } // Try to resolve the column name form top to bottom in the context stack. for...
go
func (nr *nameResolver) handleColumnName(cn *ast.ColumnNameExpr) { ctx := nr.currentContext() if ctx.inOnCondition { // In on condition, only tables within current join is available. nr.resolveColumnNameInOnCondition(cn) return } // Try to resolve the column name form top to bottom in the context stack. for...
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// handleColumnName looks up and sets ResultField for // the column name.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L455-L475
train
chrislusf/gleam
sql/resolver/resolver.go
resolveColumnNameInContext
func (nr *nameResolver) resolveColumnNameInContext(ctx *resolverContext, cn *ast.ColumnNameExpr) bool { if ctx.inTableRefs { // In TableRefsClause, column reference only in join on condition which is handled before. return false } if ctx.inFieldList { // only resolve column using tables. return nr.resolveCol...
go
func (nr *nameResolver) resolveColumnNameInContext(ctx *resolverContext, cn *ast.ColumnNameExpr) bool { if ctx.inTableRefs { // In TableRefsClause, column reference only in join on condition which is handled before. return false } if ctx.inFieldList { // only resolve column using tables. return nr.resolveCol...
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// resolveColumnNameInContext looks up and sets ResultField for a column with the ctx.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L478-L566
train
chrislusf/gleam
sql/resolver/resolver.go
resolveColumnNameInOnCondition
func (nr *nameResolver) resolveColumnNameInOnCondition(cn *ast.ColumnNameExpr) { ctx := nr.currentContext() join := ctx.joinNodeStack[len(ctx.joinNodeStack)-1] tableSources := appendTableSources(nil, join) if !nr.resolveColumnInTableSources(cn, tableSources) { nr.Err = errors.Errorf("unknown column name %s", cn.N...
go
func (nr *nameResolver) resolveColumnNameInOnCondition(cn *ast.ColumnNameExpr) { ctx := nr.currentContext() join := ctx.joinNodeStack[len(ctx.joinNodeStack)-1] tableSources := appendTableSources(nil, join) if !nr.resolveColumnInTableSources(cn, tableSources) { nr.Err = errors.Errorf("unknown column name %s", cn.N...
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// resolveColumnNameInOnCondition resolves the column name in current join.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L569-L576
train
chrislusf/gleam
sql/resolver/resolver.go
handleFieldList
func (nr *nameResolver) handleFieldList(fieldList *ast.FieldList) { var resultFields []*ast.ResultField for _, v := range fieldList.Fields { resultFields = append(resultFields, nr.createResultFields(v)...) } nr.currentContext().fieldList = resultFields }
go
func (nr *nameResolver) handleFieldList(fieldList *ast.FieldList) { var resultFields []*ast.ResultField for _, v := range fieldList.Fields { resultFields = append(resultFields, nr.createResultFields(v)...) } nr.currentContext().fieldList = resultFields }
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// handleFieldList expands wild card field and sets fieldList in current context.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/resolver/resolver.go#L685-L691
train
chrislusf/gleam
sql/util/charset/charset.go
GetAllCharsets
func GetAllCharsets() []*Desc { descs := make([]*Desc, 0, len(charsets)) // The charsetInfos is an array, so the iterate order will be stable. for _, ci := range charsetInfos { c, ok := charsets[ci.Name] if !ok { continue } desc := &Desc{ Name: c.Name, DefaultCollation: c.DefaultCollatio...
go
func GetAllCharsets() []*Desc { descs := make([]*Desc, 0, len(charsets)) // The charsetInfos is an array, so the iterate order will be stable. for _, ci := range charsetInfos { c, ok := charsets[ci.Name] if !ok { continue } desc := &Desc{ Name: c.Name, DefaultCollation: c.DefaultCollatio...
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// GetAllCharsets gets all charset descriptions in the local charsets.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/charset/charset.go#L77-L94
train
chrislusf/gleam
sql/util/charset/charset.go
ValidCharsetAndCollation
func ValidCharsetAndCollation(cs string, co string) bool { // We will use utf8 as a default charset. if cs == "" { cs = "utf8" } c, ok := charsets[cs] if !ok { return false } if co == "" { return true } _, ok = c.Collations[co] if !ok { return false } return true }
go
func ValidCharsetAndCollation(cs string, co string) bool { // We will use utf8 as a default charset. if cs == "" { cs = "utf8" } c, ok := charsets[cs] if !ok { return false } if co == "" { return true } _, ok = c.Collations[co] if !ok { return false } return true }
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// ValidCharsetAndCollation checks the charset and the collation validity // and returns a boolean.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/charset/charset.go#L98-L118
train
chrislusf/gleam
sql/util/charset/charset.go
GetDefaultCollation
func GetDefaultCollation(charset string) (string, error) { charset = strings.ToLower(charset) if charset == CharsetBin { return CollationBin, nil } c, ok := charsets[charset] if !ok { return "", errors.Errorf("Unknown charset %s", charset) } return c.DefaultCollation.Name, nil }
go
func GetDefaultCollation(charset string) (string, error) { charset = strings.ToLower(charset) if charset == CharsetBin { return CollationBin, nil } c, ok := charsets[charset] if !ok { return "", errors.Errorf("Unknown charset %s", charset) } return c.DefaultCollation.Name, nil }
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// GetDefaultCollation returns the default collation for charset.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/charset/charset.go#L121-L131
train
chrislusf/gleam
sql/util/charset/charset.go
GetCharsetInfo
func GetCharsetInfo(cs string) (string, string, error) { c, ok := charsets[strings.ToLower(cs)] if !ok { return "", "", errors.Errorf("Unknown charset %s", cs) } return c.Name, c.DefaultCollation.Name, nil }
go
func GetCharsetInfo(cs string) (string, string, error) { c, ok := charsets[strings.ToLower(cs)] if !ok { return "", "", errors.Errorf("Unknown charset %s", cs) } return c.Name, c.DefaultCollation.Name, nil }
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// GetCharsetInfo returns charset and collation for cs as name.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/charset/charset.go#L134-L140
train
chrislusf/gleam
sql/plan/aggregation_push_down.go
tryToPushDownAgg
func (a *aggPushDownSolver) tryToPushDownAgg(aggFuncs []expression.AggregationFunction, gbyCols []*expression.Column, join *Join, childIdx int) LogicalPlan { child := join.GetChildByIndex(childIdx).(LogicalPlan) if a.allFirstRow(aggFuncs) { return child } agg := a.makeNewAgg(aggFuncs, gbyCols) child.SetParents(a...
go
func (a *aggPushDownSolver) tryToPushDownAgg(aggFuncs []expression.AggregationFunction, gbyCols []*expression.Column, join *Join, childIdx int) LogicalPlan { child := join.GetChildByIndex(childIdx).(LogicalPlan) if a.allFirstRow(aggFuncs) { return child } agg := a.makeNewAgg(aggFuncs, gbyCols) child.SetParents(a...
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// tryToPushDownAgg tries to push down an aggregate function into a join path. If all aggFuncs are first row, we won't // process it temporarily. If not, We will add additional group by columns and first row functions. We make a new aggregation // operator.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/plan/aggregation_push_down.go#L202-L225
train
chrislusf/gleam
distributed/master/ui/svg_writer_layout.go
toStepGroupLayers
func toStepGroupLayers(status *pb.FlowExecutionStatus) (layers [][]int) { // how many step groups depenend on this step group dependencyCount := make([]int, len(status.StepGroups)) isUsed := make([]bool, len(status.StepGroups)) for _, stepGroup := range status.StepGroups { for _, parentId := range stepGroup.GetP...
go
func toStepGroupLayers(status *pb.FlowExecutionStatus) (layers [][]int) { // how many step groups depenend on this step group dependencyCount := make([]int, len(status.StepGroups)) isUsed := make([]bool, len(status.StepGroups)) for _, stepGroup := range status.StepGroups { for _, parentId := range stepGroup.GetP...
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// separate step groups into layers of step group ids via depencency analysis
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/distributed/master/ui/svg_writer_layout.go#L8-L35
train
chrislusf/gleam
sql/expression/builtin_string.go
argsToSpecifiedType
func argsToSpecifiedType(args []types.Datum, allString bool, allNumber bool, ctx context.Context) (newArgs []types.Datum, err error) { if allNumber { // If all arguments are numbers, they can be compared directly without type converting. return args, nil } sc := ctx.GetSessionVars().StmtCtx newArgs = make([]types...
go
func argsToSpecifiedType(args []types.Datum, allString bool, allNumber bool, ctx context.Context) (newArgs []types.Datum, err error) { if allNumber { // If all arguments are numbers, they can be compared directly without type converting. return args, nil } sc := ctx.GetSessionVars().StmtCtx newArgs = make([]types...
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// argsToSpecifiedType converts the type of all arguments in args into string type or double type.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/expression/builtin_string.go#L1437-L1457
train
chrislusf/gleam
distributed/executor/executor_grpc_server.go
CollectExecutionStatistics
func (exe *Executor) CollectExecutionStatistics(stream pb.GleamExecutor_CollectExecutionStatisticsServer) error { for { stats, err := stream.Recv() if err == io.EOF { return nil } if err != nil { return err } for _, stat := range stats.Stats { for i, current := range exe.stats { if current.S...
go
func (exe *Executor) CollectExecutionStatistics(stream pb.GleamExecutor_CollectExecutionStatisticsServer) error { for { stats, err := stream.Recv() if err == io.EOF { return nil } if err != nil { return err } for _, stat := range stats.Stats { for i, current := range exe.stats { if current.S...
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// Collect stat from "gleam execute" started mapper reducer process
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/distributed/executor/executor_grpc_server.go#L19-L41
train
chrislusf/gleam
sql/util/charset/encoding_table.go
Lookup
func Lookup(label string) (e encoding.Encoding, name string) { label = strings.ToLower(strings.Trim(label, "\t\n\r\f ")) enc := encodings[label] return enc.e, enc.name }
go
func Lookup(label string) (e encoding.Encoding, name string) { label = strings.ToLower(strings.Trim(label, "\t\n\r\f ")) enc := encodings[label] return enc.e, enc.name }
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// Lookup returns the encoding with the specified label, and its canonical // name. It returns nil and the empty string if label is not one of the // standard encodings for HTML. Matching is case-insensitive and ignores // leading and trailing whitespace.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/charset/encoding_table.go#L32-L36
train
chrislusf/gleam
plugins/file/file_source.go
SetHasHeader
func (q *FileSource) SetHasHeader(hasHeader bool) *FileSource { q.HasHeader = hasHeader return q }
go
func (q *FileSource) SetHasHeader(hasHeader bool) *FileSource { q.HasHeader = hasHeader return q }
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// SetHasHeader sets whether the data contains header
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/plugins/file/file_source.go#L38-L41
train
chrislusf/gleam
sql/util/codec/decimal.go
EncodeDecimal
func EncodeDecimal(b []byte, d types.Datum) []byte { dec := d.GetMysqlDecimal() precision := d.Length() frac := d.Frac() if precision == 0 { precision, frac = dec.PrecisionAndFrac() } b = append(b, byte(precision), byte(frac)) bin, err := dec.ToBin(precision, frac) if err != nil { log.Printf("should not hap...
go
func EncodeDecimal(b []byte, d types.Datum) []byte { dec := d.GetMysqlDecimal() precision := d.Length() frac := d.Frac() if precision == 0 { precision, frac = dec.PrecisionAndFrac() } b = append(b, byte(precision), byte(frac)) bin, err := dec.ToBin(precision, frac) if err != nil { log.Printf("should not hap...
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// EncodeDecimal encodes a decimal d into a byte slice which can be sorted lexicographically later.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/codec/decimal.go#L24-L39
train
chrislusf/gleam
sql/plan/logical_plan_builder.go
buildInnerApply
func (b *planBuilder) buildInnerApply(outerPlan, innerPlan LogicalPlan) LogicalPlan { join := &Join{ JoinType: InnerJoin, baseLogicalPlan: newBaseLogicalPlan(Jn, b.allocator), } ap := &Apply{Join: *join} ap.initIDAndContext(b.ctx) ap.self = ap addChild(ap, outerPlan) addChild(ap, innerPlan) ap.SetSch...
go
func (b *planBuilder) buildInnerApply(outerPlan, innerPlan LogicalPlan) LogicalPlan { join := &Join{ JoinType: InnerJoin, baseLogicalPlan: newBaseLogicalPlan(Jn, b.allocator), } ap := &Apply{Join: *join} ap.initIDAndContext(b.ctx) ap.self = ap addChild(ap, outerPlan) addChild(ap, innerPlan) ap.SetSch...
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// buildInnerApply builds apply plan with outerPlan and innerPlan, which apply inner-join for every row from outerPlan and the whole innerPlan.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/plan/logical_plan_builder.go#L959-L975
train
chrislusf/gleam
sql/plan/refiner.go
detachTableScanConditions
func detachTableScanConditions(conditions []expression.Expression, table *model.TableInfo) ([]expression.Expression, []expression.Expression) { var pkName model.CIStr for _, colInfo := range table.Columns { if mysql.HasPriKeyFlag(colInfo.Flag) { pkName = colInfo.Name break } } if pkName.L == "" { return...
go
func detachTableScanConditions(conditions []expression.Expression, table *model.TableInfo) ([]expression.Expression, []expression.Expression) { var pkName model.CIStr for _, colInfo := range table.Columns { if mysql.HasPriKeyFlag(colInfo.Flag) { pkName = colInfo.Name break } } if pkName.L == "" { return...
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// detachTableScanConditions distinguishes between access conditions and filter conditions from conditions.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/plan/refiner.go#L70-L101
train
chrislusf/gleam
sql/util/types/bit.go
ToString
func (b Bit) ToString() string { byteSize := (b.Width + 7) / 8 buf := make([]byte, byteSize) for i := byteSize - 1; i >= 0; i-- { buf[byteSize-i-1] = byte(b.Value >> uint(i*8)) } return string(buf) }
go
func (b Bit) ToString() string { byteSize := (b.Width + 7) / 8 buf := make([]byte, byteSize) for i := byteSize - 1; i >= 0; i-- { buf[byteSize-i-1] = byte(b.Value >> uint(i*8)) } return string(buf) }
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// ToString returns the binary string for bit type.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/bit.go#L47-L54
train
chrislusf/gleam
sql/terror/terror.go
Equal
func (e *Error) Equal(err error) bool { originErr := errors.Cause(err) if originErr == nil { return false } inErr, ok := originErr.(*Error) return ok && e.class == inErr.class && e.code == inErr.code }
go
func (e *Error) Equal(err error) bool { originErr := errors.Cause(err) if originErr == nil { return false } inErr, ok := originErr.(*Error) return ok && e.class == inErr.class && e.code == inErr.code }
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// Equal checks if err is equal to e.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/terror/terror.go#L249-L256
train
chrislusf/gleam
sql/terror/terror.go
ToSQLError
func (e *Error) ToSQLError() *mysql.SQLError { code := e.getMySQLErrorCode() return mysql.NewErrf(code, e.getMsg()) }
go
func (e *Error) ToSQLError() *mysql.SQLError { code := e.getMySQLErrorCode() return mysql.NewErrf(code, e.getMsg()) }
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// ToSQLError convert Error to mysql.SQLError.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/terror/terror.go#L264-L267
train
chrislusf/gleam
sql/terror/terror.go
ErrorEqual
func ErrorEqual(err1, err2 error) bool { e1 := errors.Cause(err1) e2 := errors.Cause(err2) if e1 == e2 { return true } if e1 == nil || e2 == nil { return e1 == e2 } te1, ok1 := e1.(*Error) te2, ok2 := e2.(*Error) if ok1 && ok2 { return te1.class == te2.class && te1.code == te2.code } return e1.Erro...
go
func ErrorEqual(err1, err2 error) bool { e1 := errors.Cause(err1) e2 := errors.Cause(err2) if e1 == e2 { return true } if e1 == nil || e2 == nil { return e1 == e2 } te1, ok1 := e1.(*Error) te2, ok2 := e2.(*Error) if ok1 && ok2 { return te1.class == te2.class && te1.code == te2.code } return e1.Erro...
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// ErrorEqual returns a boolean indicating whether err1 is equal to err2.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/terror/terror.go#L296-L315
train
chrislusf/gleam
flow/context.go
AddOneToOneStep
func (f *Flow) AddOneToOneStep(input *Dataset, output *Dataset) (step *Step) { step = f.NewStep() step.NetworkType = OneShardToOneShard fromStepToDataset(step, output) fromDatasetToStep(input, step) if input == nil { task := step.NewTask() if output != nil && output.Shards != nil { fromTaskToDatasetShard(t...
go
func (f *Flow) AddOneToOneStep(input *Dataset, output *Dataset) (step *Step) { step = f.NewStep() step.NetworkType = OneShardToOneShard fromStepToDataset(step, output) fromDatasetToStep(input, step) if input == nil { task := step.NewTask() if output != nil && output.Shards != nil { fromTaskToDatasetShard(t...
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// the tasks should run on the source dataset shard
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/flow/context.go#L52-L75
train
chrislusf/gleam
flow/context.go
AddAllToOneStep
func (f *Flow) AddAllToOneStep(input *Dataset, output *Dataset) (step *Step) { step = f.NewStep() step.NetworkType = AllShardToOneShard fromStepToDataset(step, output) fromDatasetToStep(input, step) // setup the network task := step.NewTask() if output != nil { fromTaskToDatasetShard(task, output.GetShards()[...
go
func (f *Flow) AddAllToOneStep(input *Dataset, output *Dataset) (step *Step) { step = f.NewStep() step.NetworkType = AllShardToOneShard fromStepToDataset(step, output) fromDatasetToStep(input, step) // setup the network task := step.NewTask() if output != nil { fromTaskToDatasetShard(task, output.GetShards()[...
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// the task should run on the destination dataset shard
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/flow/context.go#L78-L93
train
chrislusf/gleam
flow/context.go
MergeDatasets1ShardTo1Step
func (f *Flow) MergeDatasets1ShardTo1Step(inputs []*Dataset, output *Dataset) (step *Step) { step = f.NewStep() step.NetworkType = MergeTwoShardToOneShard fromStepToDataset(step, output) for _, input := range inputs { fromDatasetToStep(input, step) } // setup the network if output != nil { for shardId, outS...
go
func (f *Flow) MergeDatasets1ShardTo1Step(inputs []*Dataset, output *Dataset) (step *Step) { step = f.NewStep() step.NetworkType = MergeTwoShardToOneShard fromStepToDataset(step, output) for _, input := range inputs { fromDatasetToStep(input, step) } // setup the network if output != nil { for shardId, outS...
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// All dataset should have the same number of shards.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/flow/context.go#L167-L186
train
chrislusf/gleam
sql/plan/plans.go
IsPoint
func (ir *IndexRange) IsPoint(sc *variable.StatementContext) bool { if len(ir.LowVal) != len(ir.HighVal) { return false } for i := range ir.LowVal { a := ir.LowVal[i] b := ir.HighVal[i] if a.Kind() == types.KindMinNotNull || b.Kind() == types.KindMaxValue { return false } cmp, err := a.CompareDatum(sc...
go
func (ir *IndexRange) IsPoint(sc *variable.StatementContext) bool { if len(ir.LowVal) != len(ir.HighVal) { return false } for i := range ir.LowVal { a := ir.LowVal[i] b := ir.HighVal[i] if a.Kind() == types.KindMinNotNull || b.Kind() == types.KindMaxValue { return false } cmp, err := a.CompareDatum(sc...
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// IsPoint returns if the index range is a point.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/plan/plans.go#L54-L73
train
chrislusf/gleam
flow/dataset_source.go
Read
func (fc *Flow) Read(s Sourcer) (ret *Dataset) { return s.Generate(fc) }
go
func (fc *Flow) Read(s Sourcer) (ret *Dataset) { return s.Generate(fc) }
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// Read accepts a function to read data into the flow, creating a new dataset. // This allows custom complicated pre-built logic for new data sources.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/flow/dataset_source.go#L18-L20
train
chrislusf/gleam
flow/dataset_source.go
Listen
func (fc *Flow) Listen(network, address string) (ret *Dataset) { fn := func(writer io.Writer, stats *pb.InstructionStat) error { listener, err := net.Listen(network, address) if err != nil { return fmt.Errorf("Fail to listen on %s %s: %v", network, address, err) } conn, err := listener.Accept() if err != ...
go
func (fc *Flow) Listen(network, address string) (ret *Dataset) { fn := func(writer io.Writer, stats *pb.InstructionStat) error { listener, err := net.Listen(network, address) if err != nil { return fmt.Errorf("Fail to listen on %s %s: %v", network, address, err) } conn, err := listener.Accept() if err != ...
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// Listen receives textual inputs via a socket. // Multiple parameters are separated via tab.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/flow/dataset_source.go#L24-L48
train
chrislusf/gleam
flow/context_hint.go
Hint
func (d *Flow) Hint(options ...FlowHintOption) { var config FlowConfig for _, option := range options { option(&config) } }
go
func (d *Flow) Hint(options ...FlowHintOption) { var config FlowConfig for _, option := range options { option(&config) } }
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// Hint adds hints to the flow.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/flow/context_hint.go#L10-L15
train
chrislusf/gleam
flow/context_hint.go
GetTotalSize
func (d *Dataset) GetTotalSize() int64 { if d.Meta.TotalSize >= 0 { return d.Meta.TotalSize } var currentDatasetTotalSize int64 for _, ds := range d.Step.InputDatasets { currentDatasetTotalSize += ds.GetTotalSize() } d.Meta.TotalSize = currentDatasetTotalSize return currentDatasetTotalSize }
go
func (d *Dataset) GetTotalSize() int64 { if d.Meta.TotalSize >= 0 { return d.Meta.TotalSize } var currentDatasetTotalSize int64 for _, ds := range d.Step.InputDatasets { currentDatasetTotalSize += ds.GetTotalSize() } d.Meta.TotalSize = currentDatasetTotalSize return currentDatasetTotalSize }
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// GetTotalSize returns the total size in MB for the dataset. // This is based on the given hint.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/flow/context_hint.go#L19-L29
train
chrislusf/gleam
flow/context_hint.go
GetPartitionSize
func (d *Dataset) GetPartitionSize() int64 { return d.GetTotalSize() / int64(len(d.Shards)) }
go
func (d *Dataset) GetPartitionSize() int64 { return d.GetTotalSize() / int64(len(d.Shards)) }
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// GetPartitionSize returns the size in MB for each partition of // the dataset. This is based on the hinted total size divided by // the number of partitions.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/flow/context_hint.go#L34-L36
train
chrislusf/gleam
sql/util/types/time.go
CompareString
func (t Time) CompareString(str string) (int, error) { // use MaxFsp to parse the string o, err := ParseTime(str, t.Type, MaxFsp) if err != nil { return 0, errors.Trace(err) } return t.Compare(o), nil }
go
func (t Time) CompareString(str string) (int, error) { // use MaxFsp to parse the string o, err := ParseTime(str, t.Type, MaxFsp) if err != nil { return 0, errors.Trace(err) } return t.Compare(o), nil }
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// CompareString is like Compare, // but parses string to Time then compares.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/time.go#L297-L305
train
chrislusf/gleam
sql/util/types/time.go
AdjustYear
func AdjustYear(y int64) (int64, error) { y = int64(adjustYear(int(y))) if y < int64(MinYear) || y > int64(MaxYear) { return 0, errors.Trace(ErrInvalidYear) } return y, nil }
go
func AdjustYear(y int64) (int64, error) { y = int64(adjustYear(int(y))) if y < int64(MinYear) || y > int64(MaxYear) { return 0, errors.Trace(ErrInvalidYear) } return y, nil }
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// AdjustYear is used for adjusting year and checking its validation.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/time.go#L662-L669
train
chrislusf/gleam
sql/util/types/time.go
extractSecondMicrosecond
func extractSecondMicrosecond(format string) (int64, int64, int64, gotime.Duration, error) { fields := strings.Split(format, ".") if len(fields) != 2 { return 0, 0, 0, 0, errors.Errorf("invalid time format - %s", format) } seconds, err := strconv.ParseInt(fields[0], 10, 64) if err != nil { return 0, 0, 0, 0, ...
go
func extractSecondMicrosecond(format string) (int64, int64, int64, gotime.Duration, error) { fields := strings.Split(format, ".") if len(fields) != 2 { return 0, 0, 0, 0, errors.Errorf("invalid time format - %s", format) } seconds, err := strconv.ParseInt(fields[0], 10, 64) if err != nil { return 0, 0, 0, 0, ...
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// Format is `SS.FFFFFF`.
[ "Format", "is", "SS", ".", "FFFFFF", "." ]
a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/time.go#L1342-L1359
train
chrislusf/gleam
sql/util/types/time.go
extractDayHour
func extractDayHour(format string) (int64, int64, int64, gotime.Duration, error) { fields := strings.Split(format, " ") if len(fields) != 2 { return 0, 0, 0, 0, errors.Errorf("invalid time format - %s", format) } days, err := strconv.ParseInt(fields[0], 10, 64) if err != nil { return 0, 0, 0, 0, errors.Errorf...
go
func extractDayHour(format string) (int64, int64, int64, gotime.Duration, error) { fields := strings.Split(format, " ") if len(fields) != 2 { return 0, 0, 0, 0, errors.Errorf("invalid time format - %s", format) } days, err := strconv.ParseInt(fields[0], 10, 64) if err != nil { return 0, 0, 0, 0, errors.Errorf...
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// Format is `DD HH`.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/time.go#L1532-L1549
train
chrislusf/gleam
sql/util/types/time.go
extractYearMonth
func extractYearMonth(format string) (int64, int64, int64, gotime.Duration, error) { fields := strings.Split(format, "-") if len(fields) != 2 { return 0, 0, 0, 0, errors.Errorf("invalid time format - %s", format) } years, err := strconv.ParseInt(fields[0], 10, 64) if err != nil { return 0, 0, 0, 0, errors.Err...
go
func extractYearMonth(format string) (int64, int64, int64, gotime.Duration, error) { fields := strings.Split(format, "-") if len(fields) != 2 { return 0, 0, 0, 0, errors.Errorf("invalid time format - %s", format) } years, err := strconv.ParseInt(fields[0], 10, 64) if err != nil { return 0, 0, 0, 0, errors.Err...
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// Format is `YYYY-MM`.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/time.go#L1552-L1569
train
chrislusf/gleam
sql/util/types/time.go
mysqlTimeFix
func mysqlTimeFix(t *mysqlTime, ctx map[string]int) error { // Key of the ctx is the format char, such as `%j` `%p` and so on. if yearOfDay, ok := ctx["%j"]; ok { // TODO: Implement the function that converts day of year to yy:mm:dd. _ = yearOfDay } if valueAMorPm, ok := ctx["%p"]; ok { if t.hour == 0 { re...
go
func mysqlTimeFix(t *mysqlTime, ctx map[string]int) error { // Key of the ctx is the format char, such as `%j` `%p` and so on. if yearOfDay, ok := ctx["%j"]; ok { // TODO: Implement the function that converts day of year to yy:mm:dd. _ = yearOfDay } if valueAMorPm, ok := ctx["%p"]; ok { if t.hour == 0 { re...
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// mysqlTimeFix fixes the mysqlTime use the values in the context.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/time.go#L1821-L1846
train
chrislusf/gleam
sql/util/types/time.go
strToDate
func strToDate(t *mysqlTime, date string, format string, ctx map[string]int) bool { date = skipWhiteSpace(date) format = skipWhiteSpace(format) token, formatRemain, succ := getFormatToken(format) if !succ { return false } if token == "" { // Extra characters at the end of date are ignored. return true } ...
go
func strToDate(t *mysqlTime, date string, format string, ctx map[string]int) bool { date = skipWhiteSpace(date) format = skipWhiteSpace(format) token, formatRemain, succ := getFormatToken(format) if !succ { return false } if token == "" { // Extra characters at the end of date are ignored. return true } ...
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// strToDate converts date string according to format, returns true on success, // the value will be stored in argument t or ctx.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/time.go#L1850-L1870
train
chrislusf/gleam
sql/util/types/time.go
dayOfMonthWithSuffix
func dayOfMonthWithSuffix(t *mysqlTime, input string, ctx map[string]int) (string, bool) { month, remain := parseOrdinalNumbers(input) if month >= 0 { t.month = uint8(month) return remain, true } return input, false }
go
func dayOfMonthWithSuffix(t *mysqlTime, input string, ctx map[string]int) (string, bool) { month, remain := parseOrdinalNumbers(input) if month >= 0 { t.month = uint8(month) return remain, true } return input, false }
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// 0th 1st 2nd 3rd ...
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/util/types/time.go#L2240-L2247
train
chrislusf/gleam
gio/emit.go
TsEmit
func TsEmit(ts int64, anyObject ...interface{}) error { stat.Stats[0].OutputCounter++ return util.NewRow(ts, anyObject...).WriteTo(os.Stdout) }
go
func TsEmit(ts int64, anyObject ...interface{}) error { stat.Stats[0].OutputCounter++ return util.NewRow(ts, anyObject...).WriteTo(os.Stdout) }
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// TsEmit encode and write a row of data to os.Stdout // with ts in milliseconds epoch time
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/gio/emit.go#L16-L19
train
chrislusf/gleam
sql/parser/yy_parser.go
Parse
func (parser *Parser) Parse(sql, charset, collation string) ([]ast.StmtNode, error) { if charset == "" { charset = mysql.DefaultCharset } if collation == "" { collation = mysql.DefaultCollationName } parser.charset = charset parser.collation = collation parser.src = sql parser.result = parser.result[:0] v...
go
func (parser *Parser) Parse(sql, charset, collation string) ([]ast.StmtNode, error) { if charset == "" { charset = mysql.DefaultCharset } if collation == "" { collation = mysql.DefaultCollationName } parser.charset = charset parser.collation = collation parser.src = sql parser.result = parser.result[:0] v...
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// Parse parses a query string to raw ast.StmtNode. // If charset or collation is "", default charset and collation will be used.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/parser/yy_parser.go#L78-L102
train
chrislusf/gleam
sql/parser/yy_parser.go
ParseOneStmt
func (parser *Parser) ParseOneStmt(sql, charset, collation string) (ast.StmtNode, error) { stmts, err := parser.Parse(sql, charset, collation) if err != nil { return nil, errors.Trace(err) } if len(stmts) != 1 { return nil, ErrSyntax } ast.SetFlag(stmts[0]) return stmts[0], nil }
go
func (parser *Parser) ParseOneStmt(sql, charset, collation string) (ast.StmtNode, error) { stmts, err := parser.Parse(sql, charset, collation) if err != nil { return nil, errors.Trace(err) } if len(stmts) != 1 { return nil, ErrSyntax } ast.SetFlag(stmts[0]) return stmts[0], nil }
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// ParseOneStmt parses a query and returns an ast.StmtNode. // The query must have one statement, otherwise ErrSyntax is returned.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/parser/yy_parser.go#L106-L116
train
chrislusf/gleam
sql/parser/yy_parser.go
setLastSelectFieldText
func (parser *Parser) setLastSelectFieldText(st *ast.SelectStmt, lastEnd int) { lastField := st.Fields.Fields[len(st.Fields.Fields)-1] if lastField.Offset+len(lastField.Text()) >= len(parser.src)-1 { lastField.SetText(parser.src[lastField.Offset:lastEnd]) } }
go
func (parser *Parser) setLastSelectFieldText(st *ast.SelectStmt, lastEnd int) { lastField := st.Fields.Fields[len(st.Fields.Fields)-1] if lastField.Offset+len(lastField.Text()) >= len(parser.src)-1 { lastField.SetText(parser.src[lastField.Offset:lastEnd]) } }
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// The select statement is not at the end of the whole statement, if the last // field text was set from its offset to the end of the src string, update // the last field text.
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a7aa467b545f5e5e452aaf818299a5f6e6b23760
https://github.com/chrislusf/gleam/blob/a7aa467b545f5e5e452aaf818299a5f6e6b23760/sql/parser/yy_parser.go#L121-L126
train