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Fix off-by-one error in 2781b4bea7.

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Spotted by Tom Lane.
This commit is contained in:
Robert Haas
2014-10-24 08:17:00 -04:00
parent 3c2aa0c6f2
commit 85bb81de53
1 changed files with 3 additions and 2 deletions
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5
src/backend/commands/trigger.c
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@ -4332,7 +4332,7 @@ AfterTriggerEnlargeQueryState(void)
if (afterTriggers.maxquerydepth == 0) if (afterTriggers.maxquerydepth == 0)
{ {
int new_alloc = Max(afterTriggers.query_depth, 8); int new_alloc = Max(afterTriggers.query_depth + 1, 8);
afterTriggers.query_stack = (AfterTriggerEventList *) afterTriggers.query_stack = (AfterTriggerEventList *)
MemoryContextAlloc(TopTransactionContext, MemoryContextAlloc(TopTransactionContext,
@ -4346,7 +4346,8 @@ AfterTriggerEnlargeQueryState(void)
{ {
/* repalloc will keep the stack in the same context */ /* repalloc will keep the stack in the same context */
int old_alloc = afterTriggers.maxquerydepth; int old_alloc = afterTriggers.maxquerydepth;
int new_alloc = Max(afterTriggers.query_depth, old_alloc * 2); int new_alloc = Max(afterTriggers.query_depth + 1,
old_alloc * 2);
afterTriggers.query_stack = (AfterTriggerEventList *) afterTriggers.query_stack = (AfterTriggerEventList *)
repalloc(afterTriggers.query_stack, repalloc(afterTriggers.query_stack,