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55ecf4f766
This pipe is useful for debugging purposes when the number of processed blocks must be calculated for the given query:
<query> | blocks_count
This helps detecting the root cause of query performance slowdown in cases like https://github.com/VictoriaMetrics/VictoriaMetrics/issues/7070
49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
package logstorage
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import (
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"testing"
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)
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func TestParsePipeBlocksCountSuccess(t *testing.T) {
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f := func(pipeStr string) {
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t.Helper()
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expectParsePipeSuccess(t, pipeStr)
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}
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f(`blocks_count`)
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f(`blocks_count as x`)
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}
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func TestParsePipeBlocksCountFailure(t *testing.T) {
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f := func(pipeStr string) {
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t.Helper()
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expectParsePipeFailure(t, pipeStr)
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}
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f(`blocks_count(foo)`)
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f(`blocks_count a b`)
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f(`blocks_count as`)
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}
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func TestPipeBlocksCountUpdateNeededFields(t *testing.T) {
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f := func(s string, neededFields, unneededFields, neededFieldsExpected, unneededFieldsExpected string) {
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t.Helper()
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expectPipeNeededFields(t, s, neededFields, unneededFields, neededFieldsExpected, unneededFieldsExpected)
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}
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// all the needed fields
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f("blocks_count as f1", "*", "", "", "")
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// all the needed fields, unneeded fields do not intersect with src
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f("blocks_count as f3", "*", "f1,f2", "", "")
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// all the needed fields, unneeded fields intersect with src
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f("blocks_count as f1", "*", "s1,f1,f2", "", "")
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// needed fields do not intersect with src
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f("blocks_count as f3", "f1,f2", "", "", "")
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// needed fields intersect with src
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f("blocks_count as f1", "s1,f1,f2", "", "", "")
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}
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