]> granicus.if.org Git - postgresql/commitdiff
Fix for SELECT INTO TABLE for varchar().
authorBruce Momjian <bruce@momjian.us>
Mon, 19 Jan 1998 02:37:51 +0000 (02:37 +0000)
committerBruce Momjian <bruce@momjian.us>
Mon, 19 Jan 1998 02:37:51 +0000 (02:37 +0000)
src/backend/executor/execMain.c
src/backend/executor/execUtils.c
src/include/catalog/pg_attribute.h
src/include/catalog/pg_type.h
src/include/executor/executor.h

index ecfc4d9a952b8456410a5773aae615ed08b68841..ba3275f346a369035a047a3733adcdfec01144ae 100644 (file)
@@ -26,7 +26,7 @@
  *
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.39 1998/01/16 23:19:49 momjian Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.40 1998/01/19 02:37:32 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -563,6 +563,8 @@ InitPlan(CmdType operation, Query *parseTree, Plan *plan, EState *estate)
                                 */
                                tupdesc = CreateTupleDescCopy(tupType);
 
+                               setAtttypmodForCreateTable(tupdesc, targetList, rangeTable);
+
                                intoRelationId = heap_create_with_catalog(intoName, tupdesc);
 
                                FreeTupleDesc(tupdesc);
index 8d93ecf9cc07651c8cce7b0e65cae3d3493b6f72..9b02eb7f0e21892bff96466db3e9cca3656b4c36 100644 (file)
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/executor/execUtils.c,v 1.24 1998/01/16 23:19:52 momjian Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/executor/execUtils.c,v 1.25 1998/01/19 02:37:33 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1177,3 +1177,50 @@ ExecInsertIndexTuples(TupleTableSlot *slot,
        if (econtext != NULL)
                pfree(econtext);
 }
+
+/* ----------------------------------------------------------------
+ * setAtttyplenForCreateTable -
+ *       called when we do a SELECT * INTO TABLE tab
+ *       needed for attributes that have atttypmod like bpchar and
+ *       varchar
+ * ----------------------------------------------------------------
+ */
+void
+setAtttypmodForCreateTable(TupleDesc tupType, List *targetList,
+                                                       List *rangeTable)
+{
+       List       *tl;
+       TargetEntry *tle;
+       Node       *expr;
+       int                     varno;
+
+       tl = targetList;
+
+       for (varno = 0; varno < tupType->natts; varno++)
+       {
+               tle = lfirst(tl);
+
+               if (USE_ATTTYPMOD(tupType->attrs[varno]->atttypid))
+               {
+                       expr = tle->expr;
+                       if (expr && IsA(expr, Var))
+                       {
+                               Var                *var;
+                               RangeTblEntry *rtentry;
+                               Relation        rd;
+
+                               var = (Var *) expr;
+                               rtentry = rt_fetch(var->varnoold, rangeTable);
+                               rd = heap_open(rtentry->relid);
+                               /* set length to that defined in relation */
+                               tupType->attrs[varno]->atttypmod =
+                                       (*rd->rd_att->attrs[var->varoattno - 1]).atttypmod;
+                               heap_close(rd);
+                       }
+                       else
+                               elog(ERROR, "setAtttypmodForCreateTable: can't get atttypmod for field (for length, etc.)");
+               }
+               tl = lnext(tl);
+       }
+}
+
index 0c43065b8e1426f518b750fc9b12855773bb83d6..24810e82d41d7d85869c037ebf1479f5f83dcf22 100644 (file)
@@ -7,7 +7,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: pg_attribute.h,v 1.22 1998/01/16 23:20:49 momjian Exp $
+ * $Id: pg_attribute.h,v 1.23 1998/01/19 02:37:45 momjian Exp $
  *
  * NOTES
  *       the genbki.sh script reads this file and generates .bki
@@ -89,6 +89,14 @@ CATALOG(pg_attribute) BOOTSTRAP
        /*
         * atttypmod records type-specific modifications supplied at table
      * creation time.
+     * This is not integrated into all areas of the source.  It is in
+        * TypeName to pass typmod info from the parser during table creation
+        * time, and it is used in the parser when converting a string to a
+        * typed constant associated with a variable.  We also have a hack in
+        * execMain.c/execUtils.c that uses atttypmod to properly create tables
+        * for SELECT * INTO TABLE test2 FROM test;
+        * One day, we may add this to Resdom, and pass it through all areas.
+        * 1998/1/18 bjm
         */
 
        bool            attbyval;
index 087dc7f4b423e4714b67a04f1851c626b0b7c6f0..e324a785a3cee43baa7eeb030d1457020072f086 100644 (file)
@@ -7,7 +7,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: pg_type.h,v 1.26 1997/11/26 04:50:47 momjian Exp $
+ * $Id: pg_type.h,v 1.27 1998/01/19 02:37:47 momjian Exp $
  *
  * NOTES
  *       the genbki.sh script reads this file and generates .bki
@@ -364,6 +364,9 @@ DATA(insert OID = 1296 ( timestamp   PGUID  4  19 t b t \054 0      0 timestamp_in time
 DESCR("limited-range ISO-format date and time");
 #define TIMESTAMPOID   1296
 
+
+#define USE_ATTTYPMOD(typeid)  ((typeid) == BPCHAROID || (typeid) == VARCHAROID)
+
 /*
  * prototypes for functions in pg_type.c
  */
index 68550ff2aafdf2745abe8024220d05fa6b5a49e7..5837b7bf5fef6dd3c90fdc568f9325e1bc82e65a 100644 (file)
@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: executor.h,v 1.17 1998/01/14 15:48:43 momjian Exp $
+ * $Id: executor.h,v 1.18 1998/01/19 02:37:51 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -120,6 +120,8 @@ extern TupleDesc ExecTypeFromTL(List *targetList);
 extern void ResetTupleCount(void);
 extern void ExecAssignNodeBaseInfo(EState *estate, CommonState *basenode,
                                           Plan *parent);
+extern void setAtttypmodForCreateTable(TupleDesc tupType, List *targetList,
+                                                       List *rangeTable);
 extern void ExecAssignExprContext(EState *estate, CommonState *commonstate);
 extern void ExecAssignResultType(CommonState *commonstate,
                                         TupleDesc tupDesc);