code stringlengths 25 201k | docstring stringlengths 19 96.2k | func_name stringlengths 0 235 | language stringclasses 1 value | repo stringlengths 8 51 | path stringlengths 11 314 | url stringlengths 62 377 | license stringclasses 7 values |
|---|---|---|---|---|---|---|---|
public TableDescriptor build() {
return new TableDescriptor(schema, options, distribution, partitionKeys, comment);
} | Returns an immutable instance of {@link TableDescriptor}. | build | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableDescriptor.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableDescriptor.java | Apache-2.0 |
static TableEnvironment create(EnvironmentSettings settings) {
return TableEnvironmentImpl.create(settings);
} | Creates a table environment that is the entry point and central context for creating Table
and SQL API programs.
<p>It is unified both on a language level for all JVM-based languages (i.e. there is no
distinction between Scala and Java API) and for bounded and unbounded data processing.
<p>A table environment is responsible for:
<ul>
<li>Connecting to external systems.
<li>Registering and retrieving {@link Table}s and other meta objects from a catalog.
<li>Executing SQL statements.
<li>Offering further configuration options.
</ul>
<p>Note: This environment is meant for pure table programs. If you would like to convert from
or to other Flink APIs, it might be necessary to use one of the available language-specific
table environments in the corresponding bridging modules.
@param settings The environment settings used to instantiate the {@link TableEnvironment}. | create | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableEnvironment.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableEnvironment.java | Apache-2.0 |
static TableEnvironment create(Configuration configuration) {
return TableEnvironmentImpl.create(configuration);
} | Creates a table environment that is the entry point and central context for creating Table
and SQL API programs.
<p>It is unified both on a language level for all JVM-based languages (i.e. there is no
distinction between Scala and Java API) and for bounded and unbounded data processing.
<p>A table environment is responsible for:
<ul>
<li>Connecting to external systems.
<li>Registering and retrieving {@link Table}s and other meta objects from a catalog.
<li>Executing SQL statements.
<li>Offering further configuration options.
</ul>
<p>Note: This environment is meant for pure table programs. If you would like to convert from
or to other Flink APIs, it might be necessary to use one of the available language-specific
table environments in the corresponding bridging modules.
@param configuration The specified options are used to instantiate the {@link
TableEnvironment}. | create | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableEnvironment.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableEnvironment.java | Apache-2.0 |
default Table fromValues(AbstractDataType<?> rowType, Object... values) {
// It is necessary here to implement TableEnvironment#fromValues(Object...) for
// BatchTableEnvImpl.
// In scala varargs are translated to Seq. Due to the type erasure Seq<Expression> and
// Seq<Object>
// are the same. It is not a problem in java as varargs in java are translated to an array.
return fromValues(rowType, Arrays.asList(values));
} | Creates a Table from given collection of objects with a given row type.
<p>The difference between this method and {@link #fromValues(Object...)} is that the schema
can be manually adjusted. It might be helpful for assigning more generic types like e.g.
DECIMAL or naming the columns.
<p>Examples:
<pre>{@code
tEnv.fromValues(
DataTypes.ROW(
DataTypes.FIELD("id", DataTypes.DECIMAL(10, 2)),
DataTypes.FIELD("name", DataTypes.STRING())
),
row(1, "ABC"),
row(2L, "ABCDE")
)
}</pre>
<p>will produce a Table with a schema as follows:
<pre>{@code
root
|-- id: DECIMAL(10, 2)
|-- name: STRING
}</pre>
<p>For more examples see {@link #fromValues(Object...)}.
@param rowType Expected row type for the values.
@param values Expressions for constructing rows of the VALUES table.
@see #fromValues(Object...) | fromValues | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableEnvironment.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableEnvironment.java | Apache-2.0 |
default String explainSql(String statement, ExplainDetail... extraDetails) {
return explainSql(statement, ExplainFormat.TEXT, extraDetails);
} | Returns the AST of the specified statement and the execution plan to compute the result of
the given statement.
@param statement The statement for which the AST and execution plan will be returned.
@param extraDetails The extra explain details which the explain result should include, e.g.
estimated cost, changelog mode for streaming, displaying execution plan in json format
@return AST and the execution plan. | explainSql | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableEnvironment.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableEnvironment.java | Apache-2.0 |
@Experimental
default TableResult executePlan(PlanReference planReference) throws TableException {
return loadPlan(planReference).execute();
} | Shorthand for {@code tEnv.loadPlan(planReference).execute()}.
@see #loadPlan(PlanReference)
@see CompiledPlan#execute() | executePlan | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableEnvironment.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TableEnvironment.java | Apache-2.0 |
public static TumbleWithSize over(Expression size) {
return new TumbleWithSize(size);
} | Creates a tumbling window. Tumbling windows are fixed-size, consecutive, non-overlapping
windows of a specified fixed length. For example, a tumbling window of 5 minutes size groups
elements in 5 minutes intervals.
@param size the size of the window as time or row-count interval.
@return a partially defined tumbling window | over | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/Tumble.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/Tumble.java | Apache-2.0 |
public Expression getSize() {
return size;
} | Tumbling window on time with alias. Fully specifies a window. | getSize | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TumbleWithSizeOnTimeWithAlias.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/TumbleWithSizeOnTimeWithAlias.java | Apache-2.0 |
@Internal
@Override
public InlineElement getDescription() {
return description;
} | The enforcer to guarantee NOT NULL column constraint when writing data into sink. | getDescription | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/config/ExecutionConfigOptions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/config/ExecutionConfigOptions.java | Apache-2.0 |
public static ImmutableSet<ConfigOption> getSupportedOptions() {
return ImmutableSet.copyOf(supportedKeys);
} | This class holds option name definitions for ML_PREDICT runtime config based on {@link
ConfigOption}. | getSupportedOptions | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/config/MLPredictRuntimeConfigOptions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/config/MLPredictRuntimeConfigOptions.java | Apache-2.0 |
public OutType as(String name, String... extraNames) {
return toApiSpecificExpression(
ApiExpressionUtils.unresolvedCall(
BuiltInFunctionDefinitions.AS,
Stream.concat(
Stream.of(toExpr(), ApiExpressionUtils.valueLiteral(name)),
Stream.of(extraNames).map(ApiExpressionUtils::valueLiteral))
.toArray(Expression[]::new)));
} | Specifies a name for an expression i.e. a field.
@param name name for one field
@param extraNames additional names if the expression expands to multiple fields | as | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType asArgument(String name) {
return toApiSpecificExpression(
ApiExpressionUtils.unresolvedCall(
BuiltInFunctionDefinitions.ASSIGNMENT,
ApiExpressionUtils.valueLiteral(name),
toExpr()));
} | Converts this expression into a named argument.
<p>If the function declares a static signature (usually indicated by the "=>" assignment
operator), the framework is able to reorder named arguments and consider optional arguments
accordingly, before passing them into the function call.
<p>Note: Not every function supports named arguments. Named arguments are not available for
signatures that are overloaded, use varargs, or any other kind of input type strategy.
<p>Example:
<pre>{@code
table.select(
Expressions.call(
"MyFunction",
$("my_column").asArgument("input"),
lit(42).asArgument("threshold")
)
)
}</pre> | asArgument | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType arrayExcept(InType array) {
return toApiSpecificExpression(
unresolvedCall(ARRAY_EXCEPT, toExpr(), objectToExpression(array)));
} | Returns an ARRAY that contains the elements from array1 that are not in array2. If no
elements remain after excluding the elements in array2 from array1, the function returns an
empty ARRAY.
<p>If one or both arguments are NULL, the function returns NULL. The order of the elements
from array1 is kept. | arrayExcept | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType arrayIntersect(InType array) {
return toApiSpecificExpression(
unresolvedCall(ARRAY_INTERSECT, toExpr(), objectToExpression(array)));
} | Returns an ARRAY that contains the elements from array1 that are also in array2, without
duplicates. If no elements that are both in array1 and array2, the function returns an empty
ARRAY.
<p>If one or both arguments are NULL, the function returns NULL. The order of the elements
from array1 is kept. | arrayIntersect | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType and(InType other) {
return toApiSpecificExpression(unresolvedCall(AND, toExpr(), objectToExpression(other)));
} | Boolean AND in three-valued logic. This is an infix notation. See also {@link
Expressions#and(Object, Object, Object...)} for prefix notation with multiple arguments.
@see Expressions#and(Object, Object, Object...) | and | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType or(InType other) {
return toApiSpecificExpression(unresolvedCall(OR, toExpr(), objectToExpression(other)));
} | Boolean OR in three-valued logic. This is an infix notation. See also {@link
Expressions#or(Object, Object, Object...)} for prefix notation with multiple arguments.
@see Expressions#or(Object, Object, Object...) | or | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType not() {
return toApiSpecificExpression(unresolvedCall(NOT, toExpr()));
} | Inverts a given boolean expression.
<p>This method supports a three-valued logic by preserving {@code NULL}. This means if the
input expression is {@code NULL}, the result will also be {@code NULL}.
<p>The resulting type is nullable if and only if the input type is nullable.
<p>Examples:
<pre>{@code
lit(true).not() // false
lit(false).not() // true
lit(null, DataTypes.BOOLEAN()).not() // null
}</pre> | not | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType between(InType lowerBound, InType upperBound) {
return toApiSpecificExpression(
unresolvedCall(
BETWEEN,
toExpr(),
objectToExpression(lowerBound),
objectToExpression(upperBound)));
} | Returns true if the given expression is between lowerBound and upperBound (both inclusive).
False otherwise. The parameters must be numeric types or identical comparable types.
@param lowerBound numeric or comparable expression
@param upperBound numeric or comparable expression | between | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType notBetween(InType lowerBound, InType upperBound) {
return toApiSpecificExpression(
unresolvedCall(
NOT_BETWEEN,
toExpr(),
objectToExpression(lowerBound),
objectToExpression(upperBound)));
} | Returns true if the given expression is not between lowerBound and upperBound (both
inclusive). False otherwise. The parameters must be numeric types or identical comparable
types.
@param lowerBound numeric or comparable expression
@param upperBound numeric or comparable expression | notBetween | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType then(InType ifTrue, InType ifFalse) {
return toApiSpecificExpression(
unresolvedCall(
IF, toExpr(), objectToExpression(ifTrue), objectToExpression(ifFalse)));
} | Ternary conditional operator that decides which of two other expressions should be evaluated
based on a evaluated boolean condition.
<p>e.g. lit(42).isGreater(5).then("A", "B") leads to "A"
@param ifTrue expression to be evaluated if condition holds
@param ifFalse expression to be evaluated if condition does not hold | then | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType ifNull(InType nullReplacement) {
return toApiSpecificExpression(
unresolvedCall(IF_NULL, toExpr(), objectToExpression(nullReplacement)));
} | Returns {@code nullReplacement} if the given expression is NULL; otherwise the expression is
returned.
<p>This function returns a data type that is very specific in terms of nullability. The
returned type is the common type of both arguments but only nullable if the {@code
nullReplacement} is nullable.
<p>The function allows to pass nullable columns into a function or table that is declared
with a NOT NULL constraint.
<p>E.g., <code>$('nullable_column').ifNull(5)</code> returns never NULL. | ifNull | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType isNull() {
return toApiSpecificExpression(unresolvedCall(IS_NULL, toExpr()));
} | Returns true if the given expression is null. | isNull | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType isNotNull() {
return toApiSpecificExpression(unresolvedCall(IS_NOT_NULL, toExpr()));
} | Returns true if the given expression is not null. | isNotNull | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType isTrue() {
return toApiSpecificExpression(unresolvedCall(IS_TRUE, toExpr()));
} | Returns true if given boolean expression is true. False otherwise (for null and false). | isTrue | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType isFalse() {
return toApiSpecificExpression(unresolvedCall(IS_FALSE, toExpr()));
} | Returns true if given boolean expression is false. False otherwise (for null and true). | isFalse | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType isNotTrue() {
return toApiSpecificExpression(unresolvedCall(IS_NOT_TRUE, toExpr()));
} | Returns true if given boolean expression is not true (for null and false). False otherwise. | isNotTrue | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType isNotFalse() {
return toApiSpecificExpression(unresolvedCall(IS_NOT_FALSE, toExpr()));
} | Returns true if given boolean expression is not false (for null and true). False otherwise. | isNotFalse | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType distinct() {
return toApiSpecificExpression(unresolvedCall(DISTINCT, toExpr()));
} | Similar to a SQL distinct aggregation clause such as COUNT(DISTINCT a), declares that an
aggregation function is only applied on distinct input values.
<p>For example:
<pre>{@code
orders
.groupBy($("a"))
.select($("a"), $("b").sum().distinct().as("d"))
}</pre> | distinct | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType sum() {
return toApiSpecificExpression(unresolvedCall(SUM, toExpr()));
} | Returns the sum of the numeric field across all input values. If all values are null, null is
returned. | sum | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType sum0() {
return toApiSpecificExpression(unresolvedCall(SUM0, toExpr()));
} | Returns the sum of the numeric field across all input values. If all values are null, 0 is
returned. | sum0 | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType min() {
return toApiSpecificExpression(unresolvedCall(MIN, toExpr()));
} | Returns the minimum value of field across all input values. | min | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType max() {
return toApiSpecificExpression(unresolvedCall(MAX, toExpr()));
} | Returns the maximum value of field across all input values. | max | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType count() {
return toApiSpecificExpression(unresolvedCall(COUNT, toExpr()));
} | Returns the number of input rows for which the field is not null. | count | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType avg() {
return toApiSpecificExpression(unresolvedCall(AVG, toExpr()));
} | Returns the average (arithmetic mean) of the numeric field across all input values. | avg | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType firstValue() {
return toApiSpecificExpression(unresolvedCall(FIRST_VALUE, toExpr()));
} | Returns the first value of field across all input values. | firstValue | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType lastValue() {
return toApiSpecificExpression(unresolvedCall(LAST_VALUE, toExpr()));
} | Returns the last value of field across all input values. | lastValue | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType listAgg() {
return toApiSpecificExpression(unresolvedCall(LISTAGG, toExpr(), valueLiteral(",")));
} | Concatenates the values of string expressions and places separator(,) values between them.
The separator is not added at the end of string. | listAgg | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType stddevPop() {
return toApiSpecificExpression(unresolvedCall(STDDEV_POP, toExpr()));
} | Returns the population standard deviation of an expression (the square root of varPop()). | stddevPop | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType stddevSamp() {
return toApiSpecificExpression(unresolvedCall(STDDEV_SAMP, toExpr()));
} | Returns the sample standard deviation of an expression (the square root of varSamp()). | stddevSamp | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType varPop() {
return toApiSpecificExpression(unresolvedCall(VAR_POP, toExpr()));
} | Returns the population standard variance of an expression. | varPop | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType varSamp() {
return toApiSpecificExpression(unresolvedCall(VAR_SAMP, toExpr()));
} | Returns the sample variance of a given expression. | varSamp | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType collect() {
return toApiSpecificExpression(unresolvedCall(COLLECT, toExpr()));
} | Returns multiset aggregate of a given expression. | collect | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType arrayAgg() {
return toApiSpecificExpression(unresolvedCall(ARRAY_AGG, toExpr()));
} | Returns array aggregate of a given expression. | arrayAgg | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType cast(DataType toType) {
return toApiSpecificExpression(unresolvedCall(CAST, toExpr(), typeLiteral(toType)));
} | Returns a new value being cast to {@code toType}. A cast error throws an exception and fails
the job. When performing a cast operation that may fail, like {@link DataTypes#STRING()} to
{@link DataTypes#INT()}, one should rather use {@link #tryCast(DataType)}, in order to handle
errors. If {@link ExecutionConfigOptions#TABLE_EXEC_LEGACY_CAST_BEHAVIOUR} is enabled, this
function behaves like {@link #tryCast(DataType)}.
<p>E.g. {@code "42".cast(DataTypes.INT())} returns {@code 42}; {@code
null.cast(DataTypes.STRING())} returns {@code null} of type {@link DataTypes#STRING()};
{@code "non-number".cast(DataTypes.INT())} throws an exception and fails the job. | cast | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType tryCast(DataType toType) {
return toApiSpecificExpression(unresolvedCall(TRY_CAST, toExpr(), typeLiteral(toType)));
} | Like {@link #cast(DataType)}, but in case of error, returns {@code null} rather than failing
the job.
<p>E.g. {@code "42".tryCast(DataTypes.INT())} returns {@code 42}; {@code
null.tryCast(DataTypes.STRING())} returns {@code null} of type {@link DataTypes#STRING()};
{@code "non-number".tryCast(DataTypes.INT())} returns {@code null} of type {@link
DataTypes#INT()}; {@code coalesce("non-number".tryCast(DataTypes.INT()), 0)} returns {@code
0} of type {@link DataTypes#INT()}. | tryCast | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType asc() {
return toApiSpecificExpression(unresolvedCall(ORDER_ASC, toExpr()));
} | Specifies ascending order of an expression i.e. a field for orderBy unresolvedCall. | asc | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType desc() {
return toApiSpecificExpression(unresolvedCall(ORDER_DESC, toExpr()));
} | Specifies descending order of an expression i.e. a field for orderBy unresolvedCall. | desc | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
@SafeVarargs
public final OutType in(InType... elements) {
Expression[] args =
Stream.concat(
Stream.of(toExpr()),
Arrays.stream(elements).map(ApiExpressionUtils::objectToExpression))
.toArray(Expression[]::new);
return toApiSpecificExpression(unresolvedCall(IN, args));
} | Returns true if an expression exists in a given list of expressions. This is a shorthand for
multiple OR conditions.
<p>If the testing set contains null, the result will be null if the element can not be found
and true if it can be found. If the element is null, the result is always null.
<p>e.g. lit("42").in(1, 2, 3) leads to false. | in | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType in(Table table) {
return toApiSpecificExpression(
unresolvedCall(IN, toExpr(), tableRef(table.toString(), table)));
} | Returns true if an expression exists in a given table sub-query. The sub-query table must
consist of one column. This column must have the same data type as the expression.
<p>Note: This operation is not supported in a streaming environment yet. | in | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType start() {
return toApiSpecificExpression(unresolvedCall(WINDOW_START, toExpr()));
} | Returns the start time (inclusive) of a window when applied on a window reference. | start | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType end() {
return toApiSpecificExpression(unresolvedCall(WINDOW_END, toExpr()));
} | Returns the end time (exclusive) of a window when applied on a window reference.
<p>e.g. if a window ends at 10:59:59.999 this property will return 11:00:00.000. | end | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType mod(InType other) {
return toApiSpecificExpression(unresolvedCall(MOD, toExpr(), objectToExpression(other)));
} | Calculates the remainder of division the given number by another one. | mod | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType exp() {
return toApiSpecificExpression(unresolvedCall(EXP, toExpr()));
} | Calculates the Euler's number raised to the given power. | exp | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType log10() {
return toApiSpecificExpression(unresolvedCall(LOG10, toExpr()));
} | Calculates the base 10 logarithm of the given value. | log10 | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType log2() {
return toApiSpecificExpression(unresolvedCall(LOG2, toExpr()));
} | Calculates the base 2 logarithm of the given value. | log2 | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType power(InType other) {
return toApiSpecificExpression(unresolvedCall(POWER, toExpr(), objectToExpression(other)));
} | Calculates the given number raised to the power of the other value. | power | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType cosh() {
return toApiSpecificExpression(unresolvedCall(COSH, toExpr()));
} | Calculates the hyperbolic cosine of a given value. | cosh | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType sqrt() {
return toApiSpecificExpression(unresolvedCall(SQRT, toExpr()));
} | Calculates the square root of a given value. | sqrt | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType abs() {
return toApiSpecificExpression(unresolvedCall(ABS, toExpr()));
} | Calculates the absolute value of given value. | abs | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType floor() {
return toApiSpecificExpression(unresolvedCall(FLOOR, toExpr()));
} | Calculates the largest integer less than or equal to a given number. | floor | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType sinh() {
return toApiSpecificExpression(unresolvedCall(SINH, toExpr()));
} | Calculates the hyperbolic sine of a given value. | sinh | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType ceil() {
return toApiSpecificExpression(unresolvedCall(CEIL, toExpr()));
} | Calculates the smallest integer greater than or equal to a given number. | ceil | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType sin() {
return toApiSpecificExpression(unresolvedCall(SIN, toExpr()));
} | Calculates the sine of a given number. | sin | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType cos() {
return toApiSpecificExpression(unresolvedCall(COS, toExpr()));
} | Calculates the cosine of a given number. | cos | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType tan() {
return toApiSpecificExpression(unresolvedCall(TAN, toExpr()));
} | Calculates the tangent of a given number. | tan | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType cot() {
return toApiSpecificExpression(unresolvedCall(COT, toExpr()));
} | Calculates the cotangent of a given number. | cot | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType asin() {
return toApiSpecificExpression(unresolvedCall(ASIN, toExpr()));
} | Calculates the arc sine of a given number. | asin | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType acos() {
return toApiSpecificExpression(unresolvedCall(ACOS, toExpr()));
} | Calculates the arc cosine of a given number. | acos | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType atan() {
return toApiSpecificExpression(unresolvedCall(ATAN, toExpr()));
} | Calculates the arc tangent of a given number. | atan | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType tanh() {
return toApiSpecificExpression(unresolvedCall(TANH, toExpr()));
} | Calculates the hyperbolic tangent of a given number. | tanh | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType degrees() {
return toApiSpecificExpression(unresolvedCall(DEGREES, toExpr()));
} | Converts numeric from radians to degrees. | degrees | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType radians() {
return toApiSpecificExpression(unresolvedCall(RADIANS, toExpr()));
} | Converts numeric from degrees to radians. | radians | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType sign() {
return toApiSpecificExpression(unresolvedCall(SIGN, toExpr()));
} | Calculates the signum of a given number. | sign | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType round(InType places) {
return toApiSpecificExpression(unresolvedCall(ROUND, toExpr(), objectToExpression(places)));
} | Rounds the given number to integer places right to the decimal point. | round | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType bin() {
return toApiSpecificExpression(unresolvedCall(BIN, toExpr()));
} | Returns a string representation of an integer numeric value in binary format. Returns null if
numeric is null. E.g. "4" leads to "100", "12" leads to "1100". | bin | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType hex() {
return toApiSpecificExpression(unresolvedCall(HEX, toExpr()));
} | Returns a string representation of an integer numeric value or a string in hex format.
Returns null if numeric or string is null.
<p>E.g. a numeric 20 leads to "14", a numeric 100 leads to "64", and a string "hello,world"
leads to "68656c6c6f2c776f726c64". | hex | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType unhex() {
return toApiSpecificExpression(unresolvedCall(UNHEX, toExpr()));
} | Converts hexadecimal string {@code expr} to BINARY. If the length of {@code expr} is odd, the
first character is discarded and the result is left padded with a null byte.
@return a BINARY. <br>
null if expr is null or expr contains non-hex characters. | unhex | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType truncate(InType n) {
return toApiSpecificExpression(unresolvedCall(TRUNCATE, toExpr(), objectToExpression(n)));
} | Returns a number of truncated to n decimal places. If n is 0,the result has no decimal point
or fractional part. n can be negative to cause n digits left of the decimal point of the
value to become zero. E.g. truncate(42.345, 2) to 42.34. | truncate | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType truncate() {
return toApiSpecificExpression(unresolvedCall(TRUNCATE, toExpr()));
} | Returns a number of truncated to 0 decimal places. E.g. truncate(42.345) to 42.0. | truncate | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType startsWith(InType startExpr) {
return toApiSpecificExpression(
unresolvedCall(STARTS_WITH, toExpr(), objectToExpression(startExpr)));
} | Returns whether {@code expr} starts with {@code startExpr}. If {@code startExpr} is empty,
the result is true. <br>
{@code expr} and {@code startExpr} should have same type.
@param startExpr A STRING or BINARY expression.
@return A BOOLEAN. | startsWith | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType endsWith(InType endExpr) {
return toApiSpecificExpression(
unresolvedCall(ENDS_WITH, toExpr(), objectToExpression(endExpr)));
} | Returns whether {@code expr} ends with {@code endExpr}. If {@code endExpr} is empty, the
result is true. <br>
{@code expr} and {@code endExpr} should have same type.
@param endExpr A STRING or BINARY expression.
@return A BOOLEAN. | endsWith | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType translate(InType fromStr, InType toStr) {
return toApiSpecificExpression(
unresolvedCall(
TRANSLATE,
toExpr(),
objectToExpression(fromStr),
objectToExpression(toStr)));
} | Translate an {@code expr} where all characters in {@code fromStr} have been replaced with
those in {@code toStr}. <br>
NOTE: If {@code toStr} has a shorter length than {@code fromStr}, unmatched characters are
removed.
@param fromStr a STRING expression
@param toStr a STRING expression | translate | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType trimLeading() {
return toApiSpecificExpression(
unresolvedCall(
TRIM,
valueLiteral(true),
valueLiteral(false),
valueLiteral(" "),
toExpr()));
} | Removes leading space characters from the given string. | trimLeading | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType trimLeading(InType character) {
return toApiSpecificExpression(
unresolvedCall(
TRIM,
valueLiteral(true),
valueLiteral(false),
objectToExpression(character),
toExpr()));
} | Removes leading characters from the given string.
@param character string containing the character | trimLeading | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType trimTrailing() {
return toApiSpecificExpression(
unresolvedCall(
TRIM,
valueLiteral(false),
valueLiteral(true),
valueLiteral(" "),
toExpr()));
} | Removes trailing space characters from the given string. | trimTrailing | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType trimTrailing(InType character) {
return toApiSpecificExpression(
unresolvedCall(
TRIM,
valueLiteral(false),
valueLiteral(true),
objectToExpression(character),
toExpr()));
} | Removes trailing characters from the given string.
@param character string containing the character | trimTrailing | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType trim() {
return toApiSpecificExpression(
unresolvedCall(
TRIM, valueLiteral(true), valueLiteral(true), valueLiteral(" "), toExpr()));
} | Removes leading and trailing space characters from the given string. | trim | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType trim(InType character) {
return toApiSpecificExpression(
unresolvedCall(
TRIM,
valueLiteral(true),
valueLiteral(true),
objectToExpression(character),
toExpr()));
} | Removes leading and trailing characters from the given string.
@param character string containing the character | trim | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType replace(InType search, InType replacement) {
return toApiSpecificExpression(
unresolvedCall(
REPLACE,
toExpr(),
objectToExpression(search),
objectToExpression(replacement)));
} | Returns a new string which replaces all the occurrences of the search target with the
replacement string (non-overlapping). | replace | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType upperCase() {
return toApiSpecificExpression(unresolvedCall(UPPER, toExpr()));
} | Returns all of the characters in a string in upper case using the rules of the default
locale. | upperCase | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType lowerCase() {
return toApiSpecificExpression(unresolvedCall(LOWER, toExpr()));
} | Returns all of the characters in a string in lower case using the rules of the default
locale. | lowerCase | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType initCap() {
return toApiSpecificExpression(unresolvedCall(INIT_CAP, toExpr()));
} | Converts the initial letter of each word in a string to uppercase. Assumes a string
containing only [A-Za-z0-9], everything else is treated as whitespace. | initCap | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType like(InType pattern) {
return toApiSpecificExpression(unresolvedCall(LIKE, toExpr(), objectToExpression(pattern)));
} | Returns true, if a string matches the specified LIKE pattern with default escape character
'/'.
<p>e.g. "Jo_n%" matches all strings that start with "Jo(arbitrary letter)n" | like | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType like(InType pattern, InType escape) {
return toApiSpecificExpression(
unresolvedCall(
LIKE, toExpr(), objectToExpression(pattern), objectToExpression(escape)));
} | Returns true, if a string matches the specified LIKE pattern with specified escape character
consisting of a single char.
<p>e.g. "Jo_n%" matches all strings that start with "Jo(arbitrary letter)n" | like | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType similar(InType pattern) {
return toApiSpecificExpression(
unresolvedCall(SIMILAR, toExpr(), objectToExpression(pattern)));
} | Returns true, if a string matches the specified SQL regex pattern.
<p>e.g. "A+" matches all strings that consist of at least one A | similar | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType position(InType haystack) {
return toApiSpecificExpression(
unresolvedCall(POSITION, toExpr(), objectToExpression(haystack)));
} | Returns the position of string in an other string starting at 1. Returns 0 if string could
not be found.
<p>e.g. lit("a").position("bbbbba") leads to 6 | position | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType lpad(InType len, InType pad) {
return toApiSpecificExpression(
unresolvedCall(LPAD, toExpr(), objectToExpression(len), objectToExpression(pad)));
} | Returns a string left-padded with the given pad string to a length of len characters. If the
string is longer than len, the return value is shortened to len characters.
<p>e.g. lit("hi").lpad(4, "??") returns "??hi", lit("hi").lpad(1, '??') returns "h" | lpad | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType rpad(InType len, InType pad) {
return toApiSpecificExpression(
unresolvedCall(RPAD, toExpr(), objectToExpression(len), objectToExpression(pad)));
} | Returns a string right-padded with the given pad string to a length of len characters. If the
string is longer than len, the return value is shortened to len characters.
<p>e.g. lit("hi").rpad(4, "??") returns "hi??", lit("hi").rpad(1, '??') returns "h" | rpad | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType over(InType alias) {
return toApiSpecificExpression(unresolvedCall(OVER, toExpr(), objectToExpression(alias)));
} | Defines an aggregation to be used for a previously specified over window.
<p>For example:
<pre>{@code
table
.window(Over partitionBy 'c orderBy 'rowtime preceding 2.rows following CURRENT_ROW as 'w)
.select('c, 'a, 'a.count over 'w, 'a.sum over 'w)
}</pre> | over | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
public OutType overlay(InType newString, InType starting) {
return toApiSpecificExpression(
unresolvedCall(
OVERLAY,
toExpr(),
objectToExpression(newString),
objectToExpression(starting)));
} | Replaces a substring of string with a string starting at a position (starting at 1).
<p>e.g. lit("xxxxxtest").overlay("xxxx", 6) leads to "xxxxxxxxx" | overlay | java | apache/flink | flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | https://github.com/apache/flink/blob/master/flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/internal/BaseExpressions.java | Apache-2.0 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.