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SQL Expressions: Add sql expression specific timeout and output limit (#104834)

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Adds settings for SQL expressions:
 sql_expression_cell_output_limit

Set the maximum number of cells that can be returned from a SQL expression. Default is 100000.

sql_expression_timeout

The duration a SQL expression will run before being cancelled. The default is 10s.
This commit is contained in:
Kyle Brandt
2025-05-13 15:22:20 -04:00
committed by GitHub
parent 02d977e1af
commit 5e056c2a3f
12 changed files with 183 additions and 22 deletions
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pkg/expr/reader.go
+1 -1
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@@ -135,7 +135,7 @@ func (h *ExpressionQueryReader) ReadQuery(
eq.Properties = q
// TODO: Cascade limit from Grafana config in this (new Expression Parser) branch of the code
cellLimit := 0 // zero means no limit
eq.Command, err = NewSQLCommand(common.RefID, q.Format, q.Expression, int64(cellLimit))
eq.Command, err = NewSQLCommand(common.RefID, q.Format, q.Expression, int64(cellLimit), 0, 0)
}
case QueryTypeThreshold: