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Added sort_by operator

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Mike Farah
2021-12-04 13:54:12 +11:00
parent 2f05f7390f
commit e22df34158
7 changed files with 183 additions and 31 deletions
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pkg/yqlib/operator_sort_test.go
+44 -10
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@@ -8,22 +8,56 @@ var sortByOperatorScenarios = []expressionScenario{
document: "[{a: banana},{a: cat},{a: apple}]",
expression: `sort_by(.a)`,
expected: []string{
"D0, P[], (!!bool)::true\n",
"D0, P[], (!!seq)::[{a: apple}, {a: banana}, {a: cat}]\n",
},
},
{
description: "Sort is stable",
subdescription: "Note the order of the elements in unchanged when equal in sorting.",
document: "[{a: banana, b: 1}, {a: banana, b: 2}, {a: banana, b: 3}, {a: banana, b: 4}]",
expression: `sort_by(.a)`,
expected: []string{
"D0, P[], (!!seq)::[{a: banana, b: 1}, {a: banana, b: 2}, {a: banana, b: 3}, {a: banana, b: 4}]\n",
},
},
{
description: "Sort by numeric field",
document: "[{a: 10},{a: 100},{a: 1}]",
expression: `sort_by(.a)`,
expected: []string{
"D0, P[], (!!seq)::[{a: 1}, {a: 10}, {a: 100}]\n",
},
},
{
skipDoc: true,
document: "[{a: 1.1},{a: 1.001},{a: 1.01}]",
expression: `sort_by(.a)`,
expected: []string{
"D0, P[], (!!seq)::[{a: 1.001}, {a: 1.01}, {a: 1.1}]\n",
},
},
{
description: "Sort, nulls come first",
document: "[8,3,null,6, true, false, cat]",
expression: `sort`,
expected: []string{
"D0, P[], (!!seq)::[null, false, true, 3, 6, 8, cat]\n",
},
},
{
skipDoc: true,
description: "false before true",
document: "[{a: false, b: 1}, {a: true, b: 2}, {a: false, b: 3}]",
expression: `sort_by(.a)`,
expected: []string{
"D0, P[], (!!seq)::[{a: false, b: 1}, {a: false, b: 3}, {a: true, b: 2}]\n",
},
},
// {
// description: "Sort, nulls come first",
// document: "[8,3,null,6]",
// expression: `sort`,
// expected: []string{
// "D0, P[], (!!bool)::[null,3,6,8]\n",
// },
// },
}
func TestSortByOperatorScenarios(t *testing.T) {
for _, tt := range sortByOperatorScenarios {
testScenario(t, &tt)
}
documentScenarios(t, "Sort", sortByOperatorScenarios)
documentScenarios(t, "sort", sortByOperatorScenarios)
}