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dont run delete query when there's nothing to delete

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This commit is contained in:
Alex Grintsvayg 2017-06-01 09:58:50 -04:00
parent 912a689701
commit 09c585cdb1
1 changed files with 5 additions and 0 deletions
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5
templates/singleton/boil_queries.tpl
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@ -80,6 +80,11 @@ func deleteConflictsBeforeMerge(tx *sql.Tx, conflict conflictingUniqueKey, prima
args = append(args, value) args = append(args, value)
} }
// if no rows found, no need to delete anything
if len(args) < 2 {
return nil
}
query = fmt.Sprintf( query = fmt.Sprintf(
"DELETE FROM %s WHERE %s = %s AND %s IN (%s)", "DELETE FROM %s WHERE %s = %s AND %s IN (%s)",
conflict.table, conflict.objectIdColumn, strmangle.Placeholders(dialect.IndexPlaceholders, 1, 1, 1), conflict.table, conflict.objectIdColumn, strmangle.Placeholders(dialect.IndexPlaceholders, 1, 1, 1),