diff options
Diffstat (limited to 'src/backend/utils/adt/ruleutils.c')
| -rw-r--r-- | src/backend/utils/adt/ruleutils.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c index c3ede233bcd..b7aff1189b2 100644 --- a/src/backend/utils/adt/ruleutils.c +++ b/src/backend/utils/adt/ruleutils.c @@ -3690,8 +3690,8 @@ get_insert_query_def(Query *query, deparse_context *context) get_with_clause(query, context); /* - * If it's an INSERT ... SELECT or VALUES (...), (...), ... there will be - * a single RTE for the SELECT or VALUES. + * If it's an INSERT ... SELECT or multi-row VALUES, there will be a + * single RTE for the SELECT or VALUES. Plain VALUES has neither. */ foreach(l, query->rtable) { @@ -3725,7 +3725,7 @@ get_insert_query_def(Query *query, deparse_context *context) context->indentLevel += PRETTYINDENT_STD; appendStringInfoChar(buf, ' '); } - appendStringInfo(buf, "INSERT INTO %s (", + appendStringInfo(buf, "INSERT INTO %s ", generate_relation_name(rte->relid, NIL)); /* @@ -3742,6 +3742,8 @@ get_insert_query_def(Query *query, deparse_context *context) values_cell = NULL; strippedexprs = NIL; sep = ""; + if (query->targetList) + appendStringInfoChar(buf, '('); foreach(l, query->targetList) { TargetEntry *tle = (TargetEntry *) lfirst(l); @@ -3778,7 +3780,8 @@ get_insert_query_def(Query *query, deparse_context *context) context, true)); } } - appendStringInfo(buf, ") "); + if (query->targetList) + appendStringInfo(buf, ") "); if (select_rte) { @@ -3791,7 +3794,7 @@ get_insert_query_def(Query *query, deparse_context *context) /* Add the multi-VALUES expression lists */ get_values_def(values_rte->values_lists, context); } - else + else if (strippedexprs) { /* Add the single-VALUES expression list */ appendContextKeyword(context, "VALUES (", @@ -3799,6 +3802,11 @@ get_insert_query_def(Query *query, deparse_context *context) get_rule_expr((Node *) strippedexprs, context, false); appendStringInfoChar(buf, ')'); } + else + { + /* No expressions, so it must be DEFAULT VALUES */ + appendStringInfo(buf, "DEFAULT VALUES"); + } /* Add RETURNING if present */ if (query->returningList) |