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Implement WRITE_READ_PARSE_PLAN_TREES for raw parse trees

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Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/4159834.1657405226@sss.pgh.pa.us
This commit is contained in:
Tom Lane 2022-09-26 16:32:16 +02:00 committed by Peter Eisentraut
parent acd624644b
commit 40ad8f9dee
1 changed files with 15 additions and 3 deletions
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18
src/backend/tcop/postgres.c
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@ -603,10 +603,22 @@ pg_parse_query(const char *query_string)
#endif
/*
* Currently, outfuncs/readfuncs support is missing for many raw parse
* tree nodes, so we don't try to implement WRITE_READ_PARSE_PLAN_TREES
* here.
* Optional debugging check: pass raw parsetrees through
* outfuncs/readfuncs
*/
#ifdef WRITE_READ_PARSE_PLAN_TREES
{
char *str = nodeToString(raw_parsetree_list);
List *new_list = stringToNodeWithLocations(str);
pfree(str);
/* This checks both outfuncs/readfuncs and the equal() routines... */
if (!equal(new_list, raw_parsetree_list))
elog(WARNING, "outfuncs/readfuncs failed to produce an equal raw parse tree");
else
raw_parsetree_list = new_list;
}
#endif
TRACE_POSTGRESQL_QUERY_PARSE_DONE(query_string);