sql: fix race in TxnAborter#30670
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TxnAborter was being used by several tests to modify server test knobs after the server had started. That was racy; one can't simply change a knob from under a running server. The race was introduced in cockroachdb#22753 which needed to defer the activation of the StatementFilter knob. Luckily, since then, the reason for that deferment has gone away: the reason used to be that, if a StatementFilter was installed, we enabled a check in the executor that planning doesn't change the AST. The PR in question was making the planner change the AST by qualifying tables with the public schema. In the executor rewrite, we got rid of that check altogether, so this patch restores the TxnAborter to setting up its knobs before the server starts. Fixes cockroachdb#29028 Release note: None
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30670: sql: fix race in TxnAborter r=andreimatei a=andreimatei TxnAborter was being used by several tests to modify server test knobs after the server had started. That was racy; one can't simply change a knob from under a running server. The race was introduced in #22753 which needed to defer the activation of the StatementFilter knob. Luckily, since then, the reason for that deferment has gone away: the reason used to be that, if a StatementFilter was installed, we enabled a check in the executor that planning doesn't change the AST. The PR in question was making the planner change the AST by qualifying tables with the public schema. In the executor rewrite, we got rid of that check altogether, so this patch restores the TxnAborter to setting up its knobs before the server starts. Fixes #29028 Release note: None Co-authored-by: Andrei Matei <andrei@cockroachlabs.com>
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TxnAborter was being used by several tests to modify server test knobs
after the server had started. That was racy; one can't simply change a
knob from under a running server.
The race was introduced in #22753 which needed to defer the activation
of the StatementFilter knob. Luckily, since then, the reason for that
deferment has gone away: the reason used to be that, if a
StatementFilter was installed, we enabled a check in the executor that
planning doesn't change the AST. The PR in question was making the
planner change the AST by qualifying tables with the public schema.
In the executor rewrite, we got rid of that check altogether, so this
patch restores the TxnAborter to setting up its knobs before the server
starts.
Fixes #29028
Release note: None