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Fix ruleutils to print "INSERT INTO foo DEFAULT VALUES" correctly.

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Per bug #7615 from Marko Tiikkaja.  Apparently nobody ever tried this
case before ...
This commit is contained in:
Tom Lane 2012-10-19 13:39:51 -04:00
parent da85727565
commit 0d6895051a
1 changed files with 13 additions and 5 deletions
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18
src/backend/utils/adt/ruleutils.c
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@ -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)