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-rw-r--r--src/backend/utils/adt/ruleutils.c56
-rw-r--r--src/test/regress/expected/rules.out4
2 files changed, 56 insertions, 4 deletions
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 10116364560..458ab68749d 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -3,7 +3,7 @@
* back to source text
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.118 2002/08/26 17:53:58 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.119 2002/08/29 01:19:41 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@@ -61,6 +61,7 @@
#include "parser/parse_expr.h"
#include "parser/parse_func.h"
#include "parser/parse_oper.h"
+#include "parser/parse_type.h"
#include "parser/parsetree.h"
#include "rewrite/rewriteManip.h"
#include "rewrite/rewriteSupport.h"
@@ -157,6 +158,8 @@ static void get_sublink_expr(Node *node, deparse_context *context);
static void get_from_clause(Query *query, deparse_context *context);
static void get_from_clause_item(Node *jtnode, Query *query,
deparse_context *context);
+static void get_from_clause_coldeflist(List *coldeflist,
+ deparse_context *context);
static void get_opclass_name(Oid opclass, Oid actual_datatype,
StringInfo buf);
static bool tleIsArrayAssign(TargetEntry *tle);
@@ -2749,6 +2752,8 @@ get_from_clause_item(Node *jtnode, Query *query, deparse_context *context)
{
int varno = ((RangeTblRef *) jtnode)->rtindex;
RangeTblEntry *rte = rt_fetch(varno, query->rtable);
+ List *coldeflist = NIL;
+ bool gavealias = false;
switch (rte->rtekind)
{
@@ -2767,6 +2772,8 @@ get_from_clause_item(Node *jtnode, Query *query, deparse_context *context)
case RTE_FUNCTION:
/* Function RTE */
get_rule_expr(rte->funcexpr, context);
+ /* might need to emit column list for RECORD function */
+ coldeflist = rte->coldeflist;
break;
default:
elog(ERROR, "unexpected rte kind %d", (int) rte->rtekind);
@@ -2776,7 +2783,8 @@ get_from_clause_item(Node *jtnode, Query *query, deparse_context *context)
{
appendStringInfo(buf, " %s",
quote_identifier(rte->alias->aliasname));
- if (rte->alias->colnames != NIL)
+ gavealias = true;
+ if (rte->alias->colnames != NIL && coldeflist == NIL)
{
List *col;
@@ -2802,6 +2810,13 @@ get_from_clause_item(Node *jtnode, Query *query, deparse_context *context)
*/
appendStringInfo(buf, " %s",
quote_identifier(rte->eref->aliasname));
+ gavealias = true;
+ }
+ if (coldeflist != NIL)
+ {
+ if (!gavealias)
+ appendStringInfo(buf, " AS ");
+ get_from_clause_coldeflist(coldeflist, context);
}
}
else if (IsA(jtnode, JoinExpr))
@@ -2888,6 +2903,43 @@ get_from_clause_item(Node *jtnode, Query *query, deparse_context *context)
}
/*
+ * get_from_clause_coldeflist - reproduce FROM clause coldeflist
+ *
+ * The coldeflist is appended immediately (no space) to buf. Caller is
+ * responsible for ensuring that an alias or AS is present before it.
+ */
+static void
+get_from_clause_coldeflist(List *coldeflist, deparse_context *context)
+{
+ StringInfo buf = context->buf;
+ List *col;
+ int i = 0;
+
+ appendStringInfoChar(buf, '(');
+
+ foreach(col, coldeflist)
+ {
+ ColumnDef *n = lfirst(col);
+ char *attname;
+ Oid atttypeid;
+ int32 atttypmod;
+
+ attname = n->colname;
+ atttypeid = typenameTypeId(n->typename);
+ atttypmod = n->typename->typmod;
+
+ if (i > 0)
+ appendStringInfo(buf, ", ");
+ appendStringInfo(buf, "%s %s",
+ quote_identifier(attname),
+ format_type_with_typemod(atttypeid, atttypmod));
+ i++;
+ }
+
+ appendStringInfoChar(buf, ')');
+}
+
+/*
* get_opclass_name - fetch name of an index operator class
*
* The opclass name is appended (after a space) to buf.
diff --git a/src/test/regress/expected/rules.out b/src/test/regress/expected/rules.out
index a8a1a9b24a1..77420cd2b2d 100644
--- a/src/test/regress/expected/rules.out
+++ b/src/test/regress/expected/rules.out
@@ -1268,9 +1268,9 @@ SELECT viewname, definition FROM pg_views ORDER BY viewname;
--------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
iexit | SELECT ih.name, ih.thepath, interpt_pp(ih.thepath, r.thepath) AS exit FROM ihighway ih, ramp r WHERE (ih.thepath ## r.thepath);
pg_indexes | SELECT n.nspname AS schemaname, c.relname AS tablename, i.relname AS indexname, pg_get_indexdef(i.oid) AS indexdef FROM (((pg_index x JOIN pg_class c ON ((c.oid = x.indrelid))) JOIN pg_class i ON ((i.oid = x.indexrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE ((c.relkind = 'r'::"char") AND (i.relkind = 'i'::"char"));
- pg_locks | SELECT l.relation, l."database", l.backendpid, l."mode", l.isgranted FROM pg_lock_status() l;
+ pg_locks | SELECT l.relation, l."database", l.backendpid, l."mode", l.isgranted FROM pg_lock_status() l(relation oid, "database" oid, backendpid integer, "mode" text, isgranted boolean);
pg_rules | SELECT n.nspname AS schemaname, c.relname AS tablename, r.rulename, pg_get_ruledef(r.oid) AS definition FROM ((pg_rewrite r JOIN pg_class c ON ((c.oid = r.ev_class))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (r.rulename <> '_RETURN'::name);
- pg_settings | SELECT a.name, a.setting FROM pg_show_all_settings() a;
+ pg_settings | SELECT a.name, a.setting FROM pg_show_all_settings() a(name text, setting text);
pg_stat_activity | SELECT d.oid AS datid, d.datname, pg_stat_get_backend_pid(s.backendid) AS procpid, pg_stat_get_backend_userid(s.backendid) AS usesysid, u.usename, pg_stat_get_backend_activity(s.backendid) AS current_query FROM pg_database d, (SELECT pg_stat_get_backend_idset() AS backendid) s, pg_shadow u WHERE ((pg_stat_get_backend_dbid(s.backendid) = d.oid) AND (pg_stat_get_backend_userid(s.backendid) = u.usesysid));
pg_stat_all_indexes | SELECT c.oid AS relid, i.oid AS indexrelid, n.nspname AS schemaname, c.relname, i.relname AS indexrelname, pg_stat_get_numscans(i.oid) AS idx_scan, pg_stat_get_tuples_returned(i.oid) AS idx_tup_read, pg_stat_get_tuples_fetched(i.oid) AS idx_tup_fetch FROM (((pg_class c JOIN pg_index x ON ((c.oid = x.indrelid))) JOIN pg_class i ON ((i.oid = x.indexrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = 'r'::"char");
pg_stat_all_tables | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, pg_stat_get_numscans(c.oid) AS seq_scan, pg_stat_get_tuples_returned(c.oid) AS seq_tup_read, sum(pg_stat_get_numscans(i.indexrelid)) AS idx_scan, sum(pg_stat_get_tuples_fetched(i.indexrelid)) AS idx_tup_fetch, pg_stat_get_tuples_inserted(c.oid) AS n_tup_ins, pg_stat_get_tuples_updated(c.oid) AS n_tup_upd, pg_stat_get_tuples_deleted(c.oid) AS n_tup_del FROM ((pg_class c LEFT JOIN pg_index i ON ((c.oid = i.indrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = 'r'::"char") GROUP BY c.oid, n.nspname, c.relname;
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-28 15:54:23 +0000