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Add code so that when COPY_PARSE_PLAN_TREES is defined, the copy and

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equal functions are checked for raw parse trees as well as post-analysis
trees.  This was never very important before, but the upcoming plan cache
control module will need to be able to do copyObject() on raw parse trees.
This commit is contained in:
Tom Lane 2007-02-17 19:33:32 +00:00
parent 4fe1a12c54
commit 49451ae03e
1 changed files with 14 additions and 1 deletions
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15
src/backend/tcop/postgres.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.523 2007/02/15 23:23:23 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.524 2007/02/17 19:33:32 tgl Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
@ -540,6 +540,19 @@ pg_parse_query(const char *query_string)
if (log_parser_stats)
ShowUsage("PARSER STATISTICS");
#ifdef COPY_PARSE_PLAN_TREES
/* Optional debugging check: pass raw parsetrees through copyObject() */
{
List *new_list = (List *) copyObject(raw_parsetree_list);
/* This checks both copyObject() and the equal() routines... */
if (!equal(new_list, raw_parsetree_list))
elog(WARNING, "copyObject() failed to produce an equal raw parse tree");
else
raw_parsetree_list = new_list;
}
#endif
return raw_parsetree_list;
}