1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/**
* Copyright (C) 2023-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/db/exec/sbe/abt/abt_lower.h"
#include "mongo/db/query/sbe_stage_builder_eval_frame.h"
namespace mongo::stage_builder {
/**
* Creates a balanced boolean binary expression tree from given collection of leaf expression.
*/
std::unique_ptr<sbe::EExpression> makeBalancedBooleanOpTree(
sbe::EPrimBinary::Op logicOp, std::vector<std::unique_ptr<sbe::EExpression>> leaves);
EvalExpr makeBalancedBooleanOpTree(sbe::EPrimBinary::Op logicOp,
std::vector<EvalExpr> leaves,
StageBuilderState& state);
std::unique_ptr<sbe::EExpression> abtToExpr(optimizer::ABT& abt,
optimizer::SlotVarMap& slotMap,
const sbe::RuntimeEnvironment& runtimeEnv);
template <typename... Args>
inline auto makeABTFunction(StringData name, Args&&... args) {
return optimizer::make<optimizer::FunctionCall>(
name.toString(), optimizer::makeSeq(std::forward<Args>(args)...));
}
template <typename T>
inline auto makeABTConstant(sbe::value::TypeTags tag, T value) {
return optimizer::make<optimizer::Constant>(tag, sbe::value::bitcastFrom<T>(value));
}
inline auto makeABTConstant(StringData str) {
auto [tag, value] = sbe::value::makeNewString(str);
return makeABTConstant(tag, value);
}
/**
* Check if expression returns Nothing and return boolean false if so. Otherwise, return the
* expression.
*/
optimizer::ABT makeFillEmptyFalse(optimizer::ABT e);
/**
* Check if expression returns Nothing and return boolean true if so. Otherwise, return the
* expression.
*/
optimizer::ABT makeFillEmptyTrue(optimizer::ABT e);
/**
* Check if expression returns Nothing and return null if so. Otherwise, return the expression.
*/
optimizer::ABT makeFillEmptyNull(optimizer::ABT e);
optimizer::ABT makeNot(optimizer::ABT e);
optimizer::ProjectionName makeVariableName(sbe::value::SlotId slotId);
optimizer::ProjectionName makeLocalVariableName(sbe::FrameId frameId, sbe::value::SlotId slotId);
optimizer::ABT makeVariable(optimizer::ProjectionName var);
optimizer::ABT makeUnaryOp(optimizer::Operations unaryOp, optimizer::ABT operand);
optimizer::ABT generateABTNullOrMissing(optimizer::ProjectionName var);
optimizer::ABT generateABTNullOrMissing(optimizer::ABT var);
optimizer::ABT generateABTNegativeCheck(optimizer::ProjectionName var);
optimizer::ABT generateABTNonPositiveCheck(optimizer::ProjectionName var);
optimizer::ABT generateABTPositiveCheck(optimizer::ABT var);
optimizer::ABT generateABTNonNumericCheck(optimizer::ProjectionName var);
optimizer::ABT generateABTLongLongMinCheck(optimizer::ProjectionName var);
optimizer::ABT generateABTNonArrayCheck(optimizer::ProjectionName var);
optimizer::ABT generateABTNonObjectCheck(optimizer::ProjectionName var);
optimizer::ABT generateABTNonStringCheck(optimizer::ProjectionName var);
optimizer::ABT generateABTNonStringCheck(optimizer::ABT var);
optimizer::ABT generateABTNonTimestampCheck(optimizer::ProjectionName var);
optimizer::ABT generateABTNullishOrNotRepresentableInt32Check(optimizer::ProjectionName var);
/**
* Generates an ABT to check the given variable is a number between -20 and 100 inclusive, and is a
* whole number.
*/
optimizer::ABT generateInvalidRoundPlaceArgCheck(const optimizer::ProjectionName& var);
/**
* Generates an ABT that checks if the input expression is NaN _assuming that_ it has
* already been verified to be numeric.
*/
optimizer::ABT generateABTNaNCheck(optimizer::ProjectionName var);
optimizer::ABT makeABTFail(ErrorCodes::Error error, StringData errorMessage);
/**
* A pair representing a 1) true/false condition and 2) the value that should be returned if that
* condition evaluates to true.
*/
using ABTCaseValuePair = std::pair<optimizer::ABT, optimizer::ABT>;
/**
* Convert a list of CaseValuePairs into a chain of optimizer::If expressions, with the final else
* case evaluating to the 'defaultValue' optimizer::ABT.
*/
template <typename... Ts>
optimizer::ABT buildABTMultiBranchConditional(Ts... cases);
template <typename... Ts>
optimizer::ABT buildABTMultiBranchConditional(ABTCaseValuePair headCase, Ts... rest) {
return optimizer::make<optimizer::If>(std::move(headCase.first),
std::move(headCase.second),
buildABTMultiBranchConditional(std::move(rest)...));
}
template <>
optimizer::ABT buildABTMultiBranchConditional(optimizer::ABT defaultCase);
/**
* Converts a std::vector of ABTCaseValuePairs into a chain of optimizer::If expressions in the
* same manner as the 'buildABTMultiBranchConditional()' function.
*/
optimizer::ABT buildABTMultiBranchConditionalFromCaseValuePairs(
std::vector<ABTCaseValuePair> caseValuePairs, optimizer::ABT defaultValue);
optimizer::ABT makeIfNullExpr(std::vector<optimizer::ABT> values,
sbe::value::FrameIdGenerator* frameIdGenerator);
} // namespace mongo::stage_builder
|
