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
|
/**
* Copyright (C) 2022-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.
*/
#include "mongo/db/pipeline/abt/expr_algebrizer_context.h"
namespace mongo::optimizer {
ExpressionAlgebrizerContext::ExpressionAlgebrizerContext(const bool assertExprSort,
const bool assertPathSort,
const ProjectionName& rootProjection,
PrefixId& prefixId)
: _assertExprSort(assertExprSort),
_assertPathSort(assertPathSort),
_rootProjection(rootProjection),
_rootProjVar(make<Variable>(_rootProjection)),
_prefixId(prefixId) {}
void ExpressionAlgebrizerContext::push(ABT node) {
if (_assertExprSort) {
assertExprSort(node);
} else if (_assertPathSort) {
assertPathSort(node);
}
_stack.emplace(node);
}
ABT ExpressionAlgebrizerContext::pop() {
uassert(6624428, "Arity violation", !_stack.empty());
ABT node = _stack.top();
_stack.pop();
return node;
}
void ExpressionAlgebrizerContext::ensureArity(const size_t arity) {
uassert(6624429, "Arity violation", _stack.size() >= arity);
}
const ProjectionName& ExpressionAlgebrizerContext::getRootProjection() const {
return _rootProjection;
}
const ABT& ExpressionAlgebrizerContext::getRootProjVar() const {
return _rootProjVar;
}
PrefixId& ExpressionAlgebrizerContext::getPrefixId() {
return _prefixId;
}
} // namespace mongo::optimizer
|
