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add compatibility code to handle pre 5.3 usage

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This commit is contained in:
Sven Klemm
2018-08-01 15:06:18 +02:00
parent 42f1892826
commit dc22e24642
2 changed files with 33 additions and 3 deletions
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19
pkg/tsdb/postgres/macros_test.go
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@ -48,14 +48,27 @@ func TestMacroEngine(t *testing.T) {
So(sql, ShouldEqual, fmt.Sprintf("select '%s'", from.Format(time.RFC3339)))
})
Convey("interpolate __timeGroup function pre 5.3 compatibility", func() {
sql, err := engine.Interpolate(query, timeRange, "SELECT $__timeGroup(time_column,'5m'), value")
So(err, ShouldBeNil)
So(sql, ShouldEqual, "SELECT floor(extract(epoch from time_column)/300)*300 AS \"time\", value")
sql, err = engine.Interpolate(query, timeRange, "SELECT $__timeGroup(time_column,'5m') as time, value")
So(err, ShouldBeNil)
So(sql, ShouldEqual, "SELECT floor(extract(epoch from time_column)/300)*300 as time, value")
})
Convey("interpolate __timeGroup function", func() {
sql, err := engine.Interpolate(query, timeRange, "$__timeGroup(time_column,'5m')")
sql, err := engine.Interpolate(query, timeRange, "SELECT $__timeGroup(time_column,'5m')")
So(err, ShouldBeNil)
sql2, err := engine.Interpolate(query, timeRange, "$__timeGroupAlias(time_column,'5m')")
sql2, err := engine.Interpolate(query, timeRange, "SELECT $__timeGroupAlias(time_column,'5m')")
So(err, ShouldBeNil)
So(sql, ShouldEqual, "floor(extract(epoch from time_column)/300)*300")
So(sql, ShouldEqual, "SELECT floor(extract(epoch from time_column)/300)*300")
So(sql2, ShouldEqual, sql+" AS \"time\"")
})