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c12500
if err != nil { return nil, err } s.havingExpressionEvaluator = eval } return f, nil } return f }
c12501
} if l.Type() != literal.Int64 { return nil, fmt.Errorf("limit required an int64 value; found %s instead", l) } lv, err := l.Int64() if err != nil { return nil, fmt.Errorf("failed to retrieve the int64 value for literal %v with error %v", l, err) } st.limitSet, st.limit = true, lv return f, nil ...
c12502
return nil, err } if p.ID() != "" { return nil, fmt.Errorf("global time bounds do not accept individual predicate IDs; found %s instead", p) } ta, err := p.TimeAnchor() if err != nil { return nil, err } if lastToken.Type == lexer.ItemComma || lastToken.Type == lexer.ItemBefore { st.l...
c12503
*Statement, _ Symbol) (ClauseHook, error) { s.ResetWorkingConstructClause() return f, nil } return f }
c12504
*Statement, _ Symbol) (ClauseHook, error) { s.AddWorkingConstructClause() return f, nil } return f }
c12505
} switch tkn.Type { case lexer.ItemNode, lexer.ItemBlankNode: n, err := ToNode(ce) if err != nil { return nil, err } c.S = n case lexer.ItemBinding: c.SBinding = tkn.Text } return f, nil } return f }
c12506
predicate %v in construct clause, predicate already set to %v", tkn.Type, p.PBinding) } switch tkn.Type { case lexer.ItemPredicate: pred, pID, pAnchorBinding, pTemporal, err := processPredicate(ce) if err != nil { return nil, err } p.P, p.PID, p.PAnchorBinding, p.PTemporal = pred, pID, pAnchorBin...
c12507
p.O = obj case lexer.ItemPredicate: var ( pred *predicate.Predicate err error ) pred, p.OID, p.OAnchorBinding, p.OTemporal, err = processPredicate(ce) if err != nil { return nil, err } if pred != nil { p.O = triple.NewPredicateObject(pred) } case lexer.ItemBinding: p.OBind...
c12508
_ Symbol) (ClauseHook, error) { s.WorkingConstructClause().AddWorkingPredicateObjectPair() return f, nil } return f }
c12509
*Statement, _ Symbol) (ClauseHook, error) { s.sType = Show return f, nil } return f }
c12510
!= nil { return nil, err } gens = append(gens, t) } return gens, nil }
c12511
!= nil { return nil, err } gens = append(gens, t) } return gens, nil }
c12512
s) fmt.Println("done.") } if empty { fmt.Println("No stories found!") fmt.Println("-------------------------------------------------------------") return 2 } fmt.Println("-------------------------------------------------------------") fmt.Printf("Evaluating %d stories... ", len(stories)) results := compl...
c12513
idx+1, len(lines), stm) tbl, err := BQL(ctx, stm, store, chanSize, bulkSize) if err != nil { fmt.Printf("[FAIL] %v\n\n", err) continue } fmt.Println("Result:") if tbl.NumRows() > 0 { fmt.Println(tbl) } fmt.Printf("OK\n\n") } return 0 }
c12514
{ return nil, fmt.Errorf("[ERROR] Should have not failed to create a plan using memory.DefaultStorage for statement %v with error %v", stm, err) } res, err := pln.Execute(ctx) if err != nil { return nil, fmt.Errorf("[ERROR] Failed to execute BQL statement with error %v", err) } return res, nil }
c12515
isSymbol: false, token: tkn, } }
c12516
return nil, fmt.Errorf("semantic.ToNode cannot convert token type %s to a node", tkn.Type) } return node.Parse(tkn.Text) }
c12517
return nil, fmt.Errorf("semantic.ToPredicate cannot convert token type %s to a predicate", tkn.Type) } return predicate.Parse(tkn.Text) }
c12518
return nil, fmt.Errorf("semantic.ToLiteral cannot convert token type %s to a literal", tkn.Type) } return literal.DefaultBuilder().Parse(tkn.Text) }
c12519
// /type/foo is covariant of /type, but /typefoo is not covariant of /type. return len(t.String()) == len(ot.String()) || t.String()[len(ot.String())] == '/' }
c12520
fmt.Sprintf("%s<%s>", n.t.String(), n.id.String()) }
c12521
return nil, fmt.Errorf("node.Parse: pretty printing should finish with '>' in %q", raw) } id, err := NewID(raw[idx+1 : len(raw)-1]) if err != nil { return nil, fmt.Errorf("node.Parse: invalid ID in %q, %v", raw, err) } return NewNode(t, id), nil case underscore: id, err := NewID(raw[2:len(raw)]) if ...
c12522
n.t.Covariant(on.t) }
c12523
end with '/'", t) } if t == "" { return nil, fmt.Errorf("node.NewType(%q) cannot create empty types", t) } nt := Type(t) return &nt, nil }
c12524
nil, fmt.Errorf("node.NewID(%q) cannot create empty ID", id) } nID := ID(id) return &nID, nil }
c12525
t: t, id: id, } }
c12526
err != nil { return nil, err } return NewNode(t, n), nil }
c12527
return &Node{ t: &tBlank, id: &id, } }
c12528
buffer.WriteString(string(*n.id)) return uuid.NewSHA1(uuid.NIL, buffer.Bytes()) }
c12529
return "CONSTRUCT" case Deconstruct: return "DECONSTRUCT" case Show: return "SHOW" default: return "UNKNOWN" } }
c12530
addToBindings(bm, c.OTypeAlias) addToBindings(bm, c.OIDAlias) addToBindings(bm, c.OAnchorAlias) addToBindings(bm, c.OAnchorBinding) addToBindings(bm, c.OLowerBoundAlias) addToBindings(bm, c.OUpperBoundAlias) return bm }
c12531
range c.BindingsMap() { bs = append(bs, k) } return bs }
c12532
c.PredicateObjectPairs() { b.WriteString(fmt.Sprintf("%v;", pop)) } b.Truncate(b.Len() - 1) b.WriteString(" }") return b.String() }
c12533
// Predicate portion. if !object { if c.OBinding != "" { b.WriteString(" ") b.WriteString(c.OBinding) } if c.OID != "" { b.WriteString(" \"") b.WriteString(c.OID) b.WriteString("\"") } if !c.OTemporal { b.WriteString("[]") } else { b.WriteString("[") if c.OAnchorBinding != "" { ...
c12534
append(s.graphNames, g) }
c12535
append(s.inputGraphNames, g) }
c12536
append(s.outputGraphNames, g) }
c12537
for _, ogn := range s.outputGraphNames { og, err := st.Graph(ctx, ogn) if err != nil { return err } s.outputGraphs = append(s.outputGraphs, og) } return nil }
c12538
s.data = append(s.data, d) }
c12539
s.pattern = append(s.pattern, s.workingClause) } s.ResetWorkingGraphClause() }
c12540
cls.PBinding) addToBindings(bm, cls.PLowerBoundAlias) addToBindings(bm, cls.PUpperBoundAlias) addToBindings(bm, cls.PIDAlias) addToBindings(bm, cls.PAnchorAlias) addToBindings(bm, cls.OBinding) addToBindings(bm, cls.OAlias) addToBindings(bm, cls.OTypeAlias) addToBindings(bm, cls.OIDAlias) ad...
c12541
range s.BindingsMap() { bs = append(bs, k) } return bs }
c12542
s[i], s[j] = s[j], s[i] }
c12543
{ return s[i].Specificity() >= s[j].Specificity() }
c12544
ptrns = append(ptrns, cls) } } sort.Sort(bySpecificity(ptrns)) return ptrns }
c12545
lexer.ItemError { b.WriteString(" via ") b.WriteString(p.OP.String()) if p.Modifier != lexer.ItemError { b.WriteString(" ") b.WriteString(p.Modifier.String()) } } return b.String() }
c12546
"" && p.Alias == "" && p.OP == lexer.ItemError && p.Modifier == lexer.ItemError }
c12547
s.ResetProjection() } return s.workingProjection }
c12548
s.projection = append(s.projection, s.workingProjection) } s.ResetProjection() }
c12549
if p.PAnchorBinding != "" { res = append(res, p.PAnchorBinding) } if p.OBinding != "" { res = append(res, p.OBinding) } if p.OAnchorBinding != "" { res = append(res, p.OAnchorBinding) } } } return res }
c12550
set[c.SBinding] = true } for _, p := range c.predicateObjectPairs { if _, ok := set[p.PBinding]; !ok { res = append(res, p.PBinding) set[p.PBinding] = true } if _, ok := set[p.PAnchorBinding]; !ok { res = append(res, p.PAnchorBinding) set[p.PAnchorBinding] = true } if _, ok := set[p....
c12551
= append(s.constructClauses, s.workingConstructClause) } s.ResetWorkingConstructClause() }
c12552
= append(c.predicateObjectPairs, c.workingPredicateObjectPair) } c.ResetWorkingPredicateObjectPair() }
c12553
isSymbol: true, symbol: s, } }
c12554
isSymbol: false, tokenType: t, } }
c12555
} if cls.Elements[0].isSymbol { return nil, fmt.Errorf("grammar.NewParser: not left factored grammar in %v", clauses) } } } return &Parser{ grammar: grammar, }, nil }
c12556
inconsitent parser, no error found, and no tokens were consumed") } return nil }
c12557
} if llk.CanAccept(elem.Token()) { return p.expect(llk, st, s, clause) } } return false, fmt.Errorf("Parser.consume: could not consume token %s in production %s", llk.Current(), s) }
c12558
%v", elem.Symbol(), err) } } else { if !llk.Consume(elem.Token()) { return false, fmt.Errorf("Parser.parse: Failed to consume %s, got %s instead", elem.Token(), llk.Current().Type) } } if cls.ProcessedElement != nil { var ce semantic.ConsumedElement if elem.isSymbol { ce = semantic.NewCons...
c12559
if err == nil { return g, nil } return st.NewGraph(ctx, id) }
c12560
if err != nil { return err } trps = append(trps, t) } if err := g.AddTriples(ctx, trps); err != nil { return err } } return nil }
c12561
err := st.DeleteGraph(ctx, src.ID); err != nil { return err } } return nil }
c12562
statement with error %v", err)) } pln, err := planner.New(ctx, st, stm, chanSize, bulkSize, nil) if err != nil { return errorizer(fmt.Errorf("Should have not failed to create a plan using memory.DefaultStorage for statement %v with error %v", stm, err)) } tbl, err := pln.Execute(ctx) if err != nil { return e...
c12563
aName := fmt.Sprintf("requires %s", strings.TrimSpace(a.Requires)) m[aName] = &AssertionOutcome{ Equal: b, Got: got, Want: want, } } // Clean the sources. if err := s.cleanSources(ctx, st); err != nil { return nil, err } return m, nil }
c12564
results.Entries = append(results.Entries, &AssertionBatteryEntry{ Story: s, Outcome: o, Err: err, }) } return results }
c12565
time.Now(), port) s := &serverConfig{ store: store, chanSize: chanSize, bulkSize: bulkSize, } http.HandleFunc("/bql", s.bqlHandler) http.HandleFunc("/", defaultHandler) if err := http.ListenAndServe(":"+p, nil); err != nil { log.Printf("[%v] Failed to start server on port %s; %v", time.Now(), p, err) ...
c12566
s.chanSize, s.bulkSize) r := &result{ Q: q, T: t, } if err != nil { log.Printf("[%s] %q failed; %v", time.Now(), q, err.Error()) r.Msg = err.Error() } else { r.Msg = "[OK]" } res = append(res, r) } w.Header().Set("Content-Type", "application/json") w.Write([]byte(`[`)) cnt := len(res) ...
c12567
nq := strings.TrimSpace(qs); len(nq) > 0 { res = append(res, nq+";") } } } return res }
c12568
defaultEntryTemplate.Execute(w, nil); err != nil { reportError(w, r, err) } }
c12569
log.Printf("[%s] %v\n", time.Now(), err) errorTemplate.Execute(w, err) }
c12570
fmt.Println("[WARNING] Tracing is on. This may slow your BQL queries.") case 3: // Start tracing to file. stopTracing() f, err := os.Create(args[2]) if err != nil { fmt.Println(err) } else { tracer, isTracingToFile = f, true fmt.Println("[WARNING] Tracing is on. This may slow you...
c12571
load triples into the specified graphs.") fmt.Println("run <file_with_bql_statements> - runs all the BQL statements in the file.") fmt.Println("start tracing [trace_file] - starts tracing queries.") fmt.Println("stop tracing ...
c12572
[]string{msg.Error()} }) return "", 0, msg } for idx, stm := range lines { fmt.Printf("Processing statement (%d/%d)\n", idx+1, len(lines)) _, err := runBQL(ctx, stm, driver, chanSize, bulkSize, w) if err != nil { msg := fmt.Errorf("%q; %v", stm, err) tracer.Trace(w, func() []string { return []str...
c12573
msg := fmt.Errorf("planner.Execute: failed to execute; %v", err) tracer.Trace(w, func() []string { return []string{msg.Error()} }) return nil, msg } tracer.Trace(w, func() []string { return []string{fmt.Sprintf("planner execute returned %d rows", res.NumRows())} }) return res, nil }
c12574
return []string{msg.Error()} }) return nil, msg } stm := &semantic.Statement{} if err := p.Parse(grammar.NewLLk(bql, 1), stm); err != nil { msg := fmt.Errorf("NewLLk parser failed; %v", err) tracer.Trace(w, func() []string { return []string{msg.Error()} }) return nil, msg } pln, err := planner.New(...
c12575
{ return "", err } return string(b), nil }
c12576
json.Unmarshal([]byte(ss), s) }
c12577
l} } t, err := time.Parse(time.RFC3339Nano, s) if err == nil { return &table.Cell{T: &t} } return &table.Cell{S: table.CellString(s)} }
c12578
// bindings. bs = bo } // Build the table. if len(bo) != len(bs) { return nil, fmt.Errorf("incompatible bindings; got %v, want %v", bs, bo) } for _, b := range bo { if _, ok := mBdngs[b]; !first && !ok { return nil, fmt.Errorf("missing binding %q; want bining in %v", b, bo) } } t, err := table.New(...
c12579
nlo.LowerAnchor = cls.PLowerBound } } if cls.PUpperBound != nil { if lo.UpperAnchor == nil || (lo.UpperAnchor != nil && cls.PUpperBound.Before(*lo.UpperAnchor)) { nlo.UpperAnchor = cls.PUpperBound } } return nlo }
c12580
ok := r[cls.PUpperBoundAlias] if ok && v.T == nil { return nil, fmt.Errorf("invalid time anchor value %v for bound %s", v, cls.PUpperBoundAlias) } if lo.UpperAnchor == nil || (lo.UpperAnchor != nil && v.T.After(*lo.UpperAnchor)) { lo.UpperAnchor = v.T } } nlo := updateTimeBounds(lo, cls) return nlo, n...
c12581
if b { unfeasible = false ts := make(chan *triple.Triple, 1) ts <- t close(ts) if err := addTriples(ts, cls, tbl); err != nil { return true, nil, err } } } return unfeasible, tbl, nil }
c12582
return fmt.Errorf("failed to retrieve time anchor from time predicate in triple %s with error %v", t, err) } // Need to check the bounds of the triple. if cls.OLowerBound != nil && cls.OLowerBound.After(*ta) { continue } if cls.OUpperBound != nil && cls.OUpperBound.Before(*ta) { co...
c12583
return c, nil } if l, err := o.Literal(); err == nil { c.L = l return c, nil } return nil, fmt.Errorf("unknown object type in object %q", o) }
c12584
st, "removing non existing graph triples", chanSize, bulkSize, batteries.RemoveGraphTriplesBenchmark) // Remove existing triples. out += runBattery(ctx, st, "removing existing tree triples", chanSize, bulkSize, batteries.RemoveExistingTreeTriplesBenchmark) out += runBattery(ctx, st, "removing existing graph triple...
c12585
} sortAndPrint := func(ss []string) { sort.Strings(ss) for _, s := range ss { fmt.Println(s) } } fmt.Printf("Stats for sequentially run %s benchmark\n", name) var ress []string for _, br := range brs { ress = append(ress, format(br)) } sortAndPrint(ress) fmt.Println() fmt.Printf("Stats for concu...
c12586
nil { return nil, err } return stms, nil }
c12587
== ";" { lines = append(lines, strings.TrimSpace(line)) line = "" } } if line != "" { lines = append(lines, strings.TrimSpace(line)) } return lines, scanner.Err() }
c12588
if len(l) == 0 || strings.Index(l, "#") == 0 { continue } if err := fp(l); err != nil { return cnt, err } } return cnt, scanner.Err() }
c12589
continue } t, err := triple.Parse(text, b) if err != nil { return cnt, err } cnt++ g.AddTriples(ctx, []*triple.Triple{t}) } return cnt, nil }
c12590
t.String())); err != nil { wErr = err continue } cnt++ } wg.Wait() if tErr != nil { return 0, tErr } if wErr != nil { return 0, wErr } return cnt, nil }
c12591
trplSets[i] bes = append(bes, &runtime.BenchEntry{ BatteryID: "Add non existing triples", ID: fmt.Sprintf("%s, reps=%02d", ids[i], r), Triples: gSizes[i], Reps: r, Setup: func() error { var err error g, err = st.NewGraph(ctx, gID) return err }, F: func() erro...
c12592
func() (storage.Store, error) { return memory.NewStore(), nil }, } }
c12593
} go l.run() // Concurrently run state machine. return l, l.tokens }
c12594
0 } _, c := lex(input, capacity) return c }
c12595
if state := isSingleSymbolToken(l, ItemComma, comma); state != nil { return state } if state := isSingleSymbolToken(l, ItemLT, lt); state != nil { return state } if state := isSingleSymbolToken(l, ItemGT, gt); state != nil { return state } if state := isSingleSymbolToken(l, ItemEQ, eq); state != ...
c12596
l.next() l.emit(tt) return lexSpace // Next state. } return nil }
c12597
{ l.backup() l.emit(ItemBinding) break } } return lexSpace }
c12598
} } l.backup() l.ignore() return lexToken }
c12599
for { if r := l.next(); !unicode.IsLetter(r) && !unicode.IsDigit(r) && r != rune('_') || r == eof { l.backup() l.emit(ItemBlankNode) break } } return lexSpace }