Fix CREATE TABLE ... AS VALUES ... to work rather than Assert'ing;

oversight in original implementation of VALUES.  Also fix an oversight
in recent addition of options to CREATE TABLE AS: they weren't getting
propagated if the query was a set-operation such as UNION.

diff --git a/src/backend/parser/analyze.c b/src/backend/parser/analyze.c
index 23e956798d604181d9eddddc288df937cdaf10f2..4a8175e0cad3a00bb66edea6360a130fffa93b3a 100644 (file)
--- a/src/backend/parser/analyze.c
+++ b/src/backend/parser/analyze.c
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *     $PostgreSQL: pgsql/src/backend/parser/analyze.c,v 1.349 2006/08/30 23:34:21 tgl Exp $
+ *     $PostgreSQL: pgsql/src/backend/parser/analyze.c,v 1.350 2006/09/18 00:52:14 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2097,7 +2097,6 @@ transformSelectStmt(ParseState *pstate, SelectStmt *stmt)
        qry->into = stmt->into;
        if (stmt->intoColNames)
                applyColumnNames(qry->targetList, stmt->intoColNames);
-
        qry->intoOptions = copyObject(stmt->intoOptions);
        qry->intoOnCommit = stmt->intoOnCommit;
        qry->intoTableSpaceName = stmt->intoTableSpaceName;
@@ -2180,8 +2179,6 @@ transformValuesClause(ParseState *pstate, SelectStmt *stmt)
 
        /* Most SELECT stuff doesn't apply in a VALUES clause */
        Assert(stmt->distinctClause == NIL);
-       Assert(stmt->into == NULL);
-       Assert(stmt->intoColNames == NIL);
        Assert(stmt->targetList == NIL);
        Assert(stmt->fromClause == NIL);
        Assert(stmt->whereClause == NULL);
@@ -2281,8 +2278,16 @@ transformValuesClause(ParseState *pstate, SelectStmt *stmt)
        Assert(pstate->p_next_resno == 1);
        qry->targetList = expandRelAttrs(pstate, rte, rtr->rtindex, 0);
 
+       /* handle any CREATE TABLE AS spec */
+       qry->into = stmt->into;
+       if (stmt->intoColNames)
+               applyColumnNames(qry->targetList, stmt->intoColNames);
+       qry->intoOptions = copyObject(stmt->intoOptions);
+       qry->intoOnCommit = stmt->intoOnCommit;
+       qry->intoTableSpaceName = stmt->intoTableSpaceName;
+
        /*
-        * The grammar does allow attaching ORDER BY, LIMIT, and FOR UPDATE
+        * The grammar allows attaching ORDER BY, LIMIT, and FOR UPDATE
         * to a VALUES, so cope.
         */
        qry->sortClause = transformSortClause(pstate,
@@ -2355,7 +2360,6 @@ transformSetOperationStmt(ParseState *pstate, SelectStmt *stmt)
        int                     leftmostRTI;
        Query      *leftmostQuery;
        SetOperationStmt *sostmt;
-       RangeVar   *into;
        List       *intoColNames;
        List       *sortClause;
        Node       *limitOffset;
@@ -2378,19 +2382,23 @@ transformSetOperationStmt(ParseState *pstate, SelectStmt *stmt)
 
        /*
         * Find leftmost leaf SelectStmt; extract the one-time-only items from it
-        * and from the top-level node.
+        * and from the top-level node.  (Most of the INTO options can be
+        * transferred to the Query immediately, but intoColNames has to be
+        * saved to apply below.)
         */
        leftmostSelect = stmt->larg;
        while (leftmostSelect && leftmostSelect->op != SETOP_NONE)
                leftmostSelect = leftmostSelect->larg;
        Assert(leftmostSelect && IsA(leftmostSelect, SelectStmt) &&
                   leftmostSelect->larg == NULL);
-       into = leftmostSelect->into;
+       qry->into = leftmostSelect->into;
        intoColNames = leftmostSelect->intoColNames;
+       qry->intoOptions = copyObject(leftmostSelect->intoOptions);
+       qry->intoOnCommit = leftmostSelect->intoOnCommit;
+       qry->intoTableSpaceName = leftmostSelect->intoTableSpaceName;
 
-       /* clear them to prevent complaints in transformSetOperationTree() */
+       /* clear this to prevent complaints in transformSetOperationTree() */
        leftmostSelect->into = NULL;
-       leftmostSelect->intoColNames = NIL;
 
        /*
         * These are not one-time, exactly, but we want to process them here and
@@ -2480,7 +2488,6 @@ transformSetOperationStmt(ParseState *pstate, SelectStmt *stmt)
         * top level and the leftmost subquery.  We do not do this earlier because
         * we do *not* want the targetnames list to be affected.
         */
-       qry->into = into;
        if (intoColNames)
        {
                applyColumnNames(qry->targetList, intoColNames);