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NOT NULL implementation (submitted by Robson Paniago de Miranda).

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This commit is contained in:
Vadim B. Mikheev
1997-08-19 04:46:15 +00:00
parent b99c63cfc0
commit b992e200b8
16 changed files with 453 additions and 337 deletions
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9
src/backend/commands/command.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.9 1997/08/18 20:52:11 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.10 1997/08/19 04:43:27 vadim Exp $
*
* NOTES
* The PortalExecutorHeapMemory crap needs to be eliminated
@ -279,7 +279,11 @@ PerformAddAttribute(char *relationName,
elog(WARN, "PerformAddAttribute: you do not own class \"%s\"",
relationName);
#endif
/*
* we can't add a not null attribute
*/
if (colDef->is_not_null)
elog(WARN,"Can't add a not null attribute to a existent relation");
/*
* if the first element in the 'schema' list is a "*" then we are
* supposed to add this attribute to all classes that inherit from
@ -454,6 +458,7 @@ PerformAddAttribute(char *relationName,
attribute->attcacheoff = -1;
attribute->attisset = (bool) (form->typtype == 'c');
attribute->attalign = form->typalign;
attribute->attnotnull = false;
heap_insert(attrdesc, attributeTuple);
if (hasindex)