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authorTatsuo Ishii <ishii@postgresql.org>2025-09-06 07:49:51 +0900
committerTatsuo Ishii <ishii@postgresql.org>2025-09-06 07:49:51 +0900
commit06473f5a344df8c9594ead90a609b86f6724cff8 (patch)
tree1c04765f6220db15107266292ff7f5f5f03a494b /src/backend/tcop/postgres.c
parent2c789405275928ce0d2ceb7c4add91d27df92502 (diff)
Allow to log raw parse tree.
This commit allows to log the raw parse tree in the same way we currently log the parse tree, rewritten tree, and plan tree. To avoid unnecessary log noise for users not interested in this detail, a new GUC option, "debug_print_raw_parse", has been added. When starting the PostgreSQL process with "-d N", and N is 3 or higher, debug_print_raw_parse is enabled automatically, alongside debug_print_parse. Author: Chao Li <lic@highgo.com> Reviewed-by: Tender Wang <tndrwang@gmail.com> Reviewed-by: Tatsuo Ishii <ishii@postgresql.org> Reviewed-by: John Naylor <johncnaylorls@gmail.com> Discussion: https://postgr.es/m/CAEoWx2mcO0Gpo4vd8kPMAFWeJLSp0MeUUnaLdE1x0tSVd-VzUw%40mail.gmail.com
Diffstat (limited to 'src/backend/tcop/postgres.c')
-rw-r--r--src/backend/tcop/postgres.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index 0cecd464902..d356830f756 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -649,6 +649,10 @@ pg_parse_query(const char *query_string)
TRACE_POSTGRESQL_QUERY_PARSE_DONE(query_string);
+ if (Debug_print_raw_parse)
+ elog_node_display(LOG, "raw parse tree", raw_parsetree_list,
+ Debug_pretty_print);
+
return raw_parsetree_list;
}
@@ -3697,7 +3701,10 @@ set_debug_options(int debug_flag, GucContext context, GucSource source)
if (debug_flag >= 2)
SetConfigOption("log_statement", "all", context, source);
if (debug_flag >= 3)
+ {
+ SetConfigOption("debug_print_raw_parse", "true", context, source);
SetConfigOption("debug_print_parse", "true", context, source);
+ }
if (debug_flag >= 4)
SetConfigOption("debug_print_plan", "true", context, source);
if (debug_flag >= 5)