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Add ability to change alias of all projections in the ProjectionList.

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Add ability to exclude list of columns from ProjectionList.
This commit is contained in:
go-jet 2022-01-05 18:00:20 +01:00
parent 392ba63bc5
commit 5cbf4aac86
8 changed files with 377 additions and 31 deletions
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46
internal/jet/projection_test.go Normal file
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package jet
import "testing"
func TestProjectionAs(t *testing.T) {
projectionList := ProjectionList{
table1Col3,
SUM(table1ColInt).AS("sum"),
SUM(table1ColInt).AS("table.sum"),
ProjectionList{
table1ColBool,
AVG(table1ColInt).AS("avg"),
AVG(table1ColInt).AS("t.avg"),
},
}
aliasedProjectionList := projectionList.As("new_alias.*")
assertProjectionSerialize(t, aliasedProjectionList,
`table1.col3 AS "new_alias.col3",
SUM(table1.col_int) AS "new_alias.sum",
SUM(table1.col_int) AS "new_alias.sum",
table1.col_bool AS "new_alias.col_bool",
AVG(table1.col_int) AS "new_alias.avg",
AVG(table1.col_int) AS "new_alias.avg"`)
subQueryProjections := projectionList.fromImpl(NewSelectTable(nil, "subQuery"))
assertProjectionSerialize(t, subQueryProjections,
`"subQuery"."table1.col3" AS "table1.col3",
"subQuery".sum AS "sum",
"subQuery"."table.sum" AS "table.sum",
"subQuery"."table1.col_bool" AS "table1.col_bool",
"subQuery".avg AS "avg",
"subQuery"."t.avg" AS "t.avg"`)
aliasedSubQueryProjectionList := subQueryProjections.(ProjectionList).As("subAlias")
assertProjectionSerialize(t, aliasedSubQueryProjectionList,
`"subQuery"."table1.col3" AS "subAlias.col3",
"subQuery".sum AS "subAlias.sum",
"subQuery"."table.sum" AS "subAlias.sum",
"subQuery"."table1.col_bool" AS "subAlias.col_bool",
"subQuery".avg AS "subAlias.avg",
"subQuery"."t.avg" AS "subAlias.avg"`)
}