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MySQL: Prevent pre-epoch timestamps from breaking __timeFilter (#45345)

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* add logic to change timeFilter query when FROM time is pre-EPOCH

* fix timeFilter tests where FROM time is pre-EPOCH
This commit is contained in:
matt abrams
2022-02-22 09:06:04 -10:00
committed by GitHub
parent ea3e41ea62
commit 76da017d00
2 changed files with 5 additions and 3 deletions
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4
pkg/tsdb/mysql/macros.go
View File

@@ -68,7 +68,9 @@ func (m *mySQLMacroEngine) evaluateMacro(timeRange backend.TimeRange, query *bac
if len(args) == 0 {
return "", fmt.Errorf("missing time column argument for macro %v", name)
}
if timeRange.From.UTC().Unix() < 0 {
return fmt.Sprintf("%s BETWEEN DATE_ADD(FROM_UNIXTIME(0), INTERVAL %d SECOND) AND FROM_UNIXTIME(%d)", args[0], timeRange.From.UTC().Unix(), timeRange.To.UTC().Unix()), nil
}
return fmt.Sprintf("%s BETWEEN FROM_UNIXTIME(%d) AND FROM_UNIXTIME(%d)", args[0], timeRange.From.UTC().Unix(), timeRange.To.UTC().Unix()), nil
case "__timeFrom":
return fmt.Sprintf("FROM_UNIXTIME(%d)", timeRange.From.UTC().Unix()), nil

4
pkg/tsdb/mysql/macros_test.go
View File

@@ -129,7 +129,7 @@ func TestMacroEngine(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "WHERE $__timeFilter(time_column)")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("WHERE time_column BETWEEN FROM_UNIXTIME(%d) AND FROM_UNIXTIME(%d)", from.Unix(), to.Unix()), sql)
require.Equal(t, fmt.Sprintf("WHERE time_column BETWEEN DATE_ADD(FROM_UNIXTIME(0), INTERVAL %d SECOND) AND FROM_UNIXTIME(%d)", from.Unix(), to.Unix()), sql)
})
t.Run("interpolate __unixEpochFilter function", func(t *testing.T) {
@@ -152,7 +152,7 @@ func TestMacroEngine(t *testing.T) {
sql, err := engine.Interpolate(query, timeRange, "WHERE $__timeFilter(time_column)")
require.Nil(t, err)
require.Equal(t, fmt.Sprintf("WHERE time_column BETWEEN FROM_UNIXTIME(%d) AND FROM_UNIXTIME(%d)", from.Unix(), to.Unix()), sql)
require.Equal(t, fmt.Sprintf("WHERE time_column BETWEEN DATE_ADD(FROM_UNIXTIME(0), INTERVAL %d SECOND) AND FROM_UNIXTIME(%d)", from.Unix(), to.Unix()), sql)
})
t.Run("interpolate __unixEpochFilter function", func(t *testing.T) {