Commit: 987abe50181f2950a5ee39908050f1d5a3139553 - pg_hint_plan (git) - Use planner hints on PostgreSQL

Revision	987abe50181f2950a5ee39908050f1d5a3139553 (tree)
Time	2020-02-13 14:52:33
Author	Kyotaro Horiguchi <horikyota.ntt@gmai...>
Commiter	Kyotaro Horiguchi

Log Message

Do null-check of error_context_stack before use

The variable is accessed without null checking when planner is called
in the context of pl/pgsql. Fix it. Back-patched up to pg_hint_plan94.

Change Summary

Incremental Difference

--- a/pg_hint_plan.c

+++ b/pg_hint_plan.c

		@@ -3019,7 +3019,8 @@ pg_hint_plan_planner(Query *parse, int cursorOptions, ParamListInfo boundParams)
3019	3019	* Support for nested plpgsql functions. This is quite ugly but this is the
3020	3020	* only point I could find where I can get the query string.
3021	3021	*/
3022		- if (plpgsql_recurse_level > 0)
	3022	+ if (plpgsql_recurse_level > 0 &&
	3023	+ error_context_stack && error_context_stack->arg)
3023	3024	{
3024	3025	MemoryContext oldcontext;
3025	3026

Use planner hints on PostgreSQL
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