Cause transformIndexConstraints() to do the right thing with requests
authorTom Lane
Mon, 22 Oct 2001 22:49:02 +0000 (22:49 +0000)
committerTom Lane
Mon, 22 Oct 2001 22:49:02 +0000 (22:49 +0000)
for indexes on system columns.  Per complaint from Peter.

src/backend/parser/analyze.c

index 94e5e1602ebd08440ce558e789fbade55803c341..6c61ab9acbf38ca6a7dbbbad0f99dbf20dbd45e0 100644 (file)
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.201 2001/10/12 00:07:14 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.202 2001/10/22 22:49:02 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -15,6 +15,7 @@
 
 #include "access/heapam.h"
 #include "catalog/catname.h"
+#include "catalog/heap.h"
 #include "catalog/pg_index.h"
 #include "catalog/pg_type.h"
 #include "nodes/makefuncs.h"
@@ -50,6 +51,7 @@ typedef struct
    char       *relname;        /* name of relation */
    List       *inhRelnames;    /* names of relations to inherit from */
    bool        istemp;         /* is it to be a temp relation? */
+   bool        hasoids;        /* does relation have an OID column? */
    Oid         relOid;         /* OID of table, if ALTER TABLE case */
    List       *columns;        /* ColumnDef items */
    List       *ckconstraints;  /* CHECK constraints */
@@ -720,6 +722,7 @@ transformCreateStmt(ParseState *pstate, CreateStmt *stmt)
    cxt.relname = stmt->relname;
    cxt.inhRelnames = stmt->inhRelnames;
    cxt.istemp = stmt->istemp;
+   cxt.hasoids = stmt->hasoids;
    cxt.relOid = InvalidOid;
    cxt.columns = NIL;
    cxt.ckconstraints = NIL;
@@ -1106,6 +1109,15 @@ transformIndexConstraints(ParseState *pstate, CreateStmtContext *cxt)
                if (constraint->contype == CONSTR_PRIMARY)
                    column->is_not_null = TRUE;
            }
+           else if (SystemAttributeByName(key->name, cxt->hasoids) != NULL)
+           {
+               /*
+                * column will be a system column in the new table,
+                * so accept it.  System columns can't ever be null,
+                * so no need to worry about PRIMARY/NOT NULL constraint.
+                */
+               found = true;
+           }
            else if (cxt->inhRelnames)
            {
                /* try inherited tables */
@@ -2520,6 +2532,10 @@ transformAlterTableStmt(ParseState *pstate, AlterTableStmt *stmt)
            cxt.relOid = GetSysCacheOid(RELNAME,
                                        PointerGetDatum(stmt->relname),
                                        0, 0, 0);
+           cxt.hasoids = SearchSysCacheExists(ATTNUM,
+                                              ObjectIdGetDatum(cxt.relOid),
+                                              Int16GetDatum(ObjectIdAttributeNumber),
+                                              0, 0);
            cxt.columns = NIL;
            cxt.ckconstraints = NIL;
            cxt.fkconstraints = NIL;
@@ -2548,6 +2564,10 @@ transformAlterTableStmt(ParseState *pstate, AlterTableStmt *stmt)
            cxt.relOid = GetSysCacheOid(RELNAME,
                                        PointerGetDatum(stmt->relname),
                                        0, 0, 0);
+           cxt.hasoids = SearchSysCacheExists(ATTNUM,
+                                              ObjectIdGetDatum(cxt.relOid),
+                                              Int16GetDatum(ObjectIdAttributeNumber),
+                                              0, 0);
            cxt.columns = NIL;
            cxt.ckconstraints = NIL;
            cxt.fkconstraints = NIL;