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alcaeusalcaeus
authored
Various improvements (#19)
1 parent 48353b4 commit b0886f8

18 files changed

+887
-21
lines changed

‎generator/config/expression/add.yaml

Lines changed: 28 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -2,9 +2,12 @@
22
name: $add
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/add/'
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type:
5-
- resolvesToNumber
5+
- resolvesToInt
6+
- resolvesToLong
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- resolvesToDouble
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- resolvesToDecimal
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- resolvesToDate
7-
encode: array
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encode: single
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description: |
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Adds numbers to return the sum, or adds numbers and a date to return a new date. If adding numbers and a date, treats the numbers as milliseconds. Accepts any number of argument expressions, but at most, one expression can resolve to a date.
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arguments:
@@ -16,3 +19,26 @@ arguments:
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variadic: array
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description: |
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The arguments can be any valid expression as long as they resolve to either all numbers or to numbers and a date.
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tests:
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-
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name: 'Add Numbers'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/add/#add-numbers'
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pipeline:
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-
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$project:
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item: 1
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total:
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$add:
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- '$price'
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- '$fee'
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-
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name: 'Perform Addition on a Date'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/add/#perform-addition-on-a-date'
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pipeline:
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-
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$project:
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item: 1
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billing_date:
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$add:
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- '$date'
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- 259200000

‎generator/config/expression/mergeObjects.yaml

Lines changed: 39 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,39 @@
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# $schema: ../schema.json
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name: $mergeObjects
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/mergeObjects/'
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type:
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- resolvesToObject
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encode: single
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description: |
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Combines multiple documents into a single document.
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arguments:
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-
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name: document
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type:
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- resolvesToObject
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variadic: array
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description: |
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Any valid expression that resolves to a document.
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tests:
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-
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name: '$mergeObjects'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/mergeObjects/#-mergeobjects'
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pipeline:
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-
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$lookup:
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from: 'items'
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localField: 'item'
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foreignField: 'item'
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as: 'fromItems'
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-
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$replaceRoot:
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newRoot:
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$mergeObjects:
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-
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$arrayElemAt:
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- '$fromItems'
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- 0
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- '$$ROOT'
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-
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$project:
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fromItems: 0

‎generator/config/expression/subtract.yaml

Lines changed: 41 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2,7 +2,10 @@
22
name: $subtract
33
link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/subtract/'
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type:
5-
- resolvesToNumber
5+
- resolvesToInt
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- resolvesToLong
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- resolvesToDouble
8+
- resolvesToDecimal
69
- resolvesToDate
710
encode: array
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description: |
@@ -18,3 +21,40 @@ arguments:
1821
type:
1922
- resolvesToNumber
2023
- resolvesToDate
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tests:
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-
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name: 'Subtract Numbers'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/subtract/#subtract-numbers'
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pipeline:
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-
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$project:
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item: 1
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total:
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$subtract:
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-
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$add:
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- '$price'
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- '$fee'
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- '$discount'
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-
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name: 'Subtract Two Dates'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/subtract/#subtract-two-dates'
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pipeline:
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-
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$project:
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item: 1
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dateDifference:
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$subtract:
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- '$$NOW'
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- '$date'
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-
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name: 'Subtract Milliseconds from a Date'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/subtract/#subtract-milliseconds-from-a-date'
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pipeline:
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-
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$project:
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item: 1
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dateDifference:
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$subtract:
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- '$date'
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- 300000

‎generator/config/expression/zip.yaml

Lines changed: 55 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -19,14 +19,69 @@ arguments:
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name: useLongestLength
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type:
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- bool
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optional: true
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description: |
2324
A boolean which specifies whether the length of the longest array determines the number of arrays in the output array.
2425
The default value is false: the shortest array length determines the number of arrays in the output array.
2526
-
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name: defaults
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type:
2829
- array
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optional: true
2931
description: |
3032
An array of default element values to use if the input arrays have different lengths. You must specify useLongestLength: true along with this field, or else $zip will return an error.
3133
If useLongestLength: true but defaults is empty or not specified, $zip uses null as the default value.
3234
If specifying a non-empty defaults, you must specify a default for each input array or else $zip will return an error.
35+
tests:
36+
-
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name: 'Matrix Transposition'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/zip/#matrix-transposition'
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pipeline:
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-
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$project:
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_id: false
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transposed:
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$zip:
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inputs:
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-
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$arrayElemAt:
48+
- '$matrix'
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- 0
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-
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$arrayElemAt:
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- '$matrix'
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- 1
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-
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$arrayElemAt:
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- '$matrix'
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- 2
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-
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name: 'Filtering and Preserving Indexes'
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link: 'https://www.mongodb.com/docs/manual/reference/operator/aggregation/zip/#filtering-and-preserving-indexes'
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pipeline:
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-
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$project:
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_id: false
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pages:
66+
$filter:
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input:
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$zip:
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inputs:
70+
- '$pages'
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-
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$range:
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- 0
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-
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$size: '$pages'
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as: 'pageWithIndex'
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cond:
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$let:
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vars:
80+
page:
81+
$arrayElemAt:
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- '$$pageWithIndex'
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- 0
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in:
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$gte:
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- '$$page.reviews'
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- 1

‎generator/config/query/expr.yaml

Lines changed: 35 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2,7 +2,7 @@
22
name: $expr
33
link: 'https://www.mongodb.com/docs/manual/reference/operator/query/expr/'
44
type:
5-
- fieldQuery
5+
- query
66
encode: single
77
description: |
88
Allows use of aggregation expressions within the query language.
@@ -11,3 +11,37 @@ arguments:
1111
name: expression
1212
type:
1313
- expression
14+
tests:
15+
-
16+
name: 'Compare Two Fields from A Single Document'
17+
link: 'https://www.mongodb.com/docs/manual/reference/operator/query/expr/#compare-two-fields-from-a-single-document'
18+
pipeline:
19+
-
20+
$match:
21+
$expr:
22+
$gt:
23+
- '$spent'
24+
- '$budget'
25+
-
26+
name: 'Using $expr With Conditional Statements'
27+
link: 'https://www.mongodb.com/docs/manual/reference/operator/query/expr/#using--expr-with-conditional-statements'
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pipeline:
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-
30+
$match:
31+
$expr:
32+
$lt:
33+
-
34+
$cond:
35+
if:
36+
$gte:
37+
- '$qty'
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- 100
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then:
40+
$multiply:
41+
- '$price'
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- 0.5
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else:
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$multiply:
45+
- '$price'
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- 0.75
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- 5

‎src/Builder/Expression/AddOperator.php

Lines changed: 2 additions & 2 deletions
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‎src/Builder/Expression/FactoryTrait.php

Lines changed: 18 additions & 4 deletions
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‎src/Builder/Expression/MergeObjectsOperator.php

Lines changed: 53 additions & 0 deletions
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‎src/Builder/Expression/SubtractOperator.php

Lines changed: 1 addition & 1 deletion
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