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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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12
src/backend/parser/gram.y
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@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.35 1997/08/12 20:15:33 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.36 1997/08/19 04:44:01 vadim Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -135,7 +135,7 @@ static Node *makeA_Expr(int oper, char *opname, Node *lexpr, Node *rexpr);
def_list, opt_indirection, group_clause, groupby_list
%type <boolean> opt_inh_star, opt_binary, opt_instead, opt_with_copy,
index_opt_unique, opt_verbose, opt_analyze
index_opt_unique, opt_verbose, opt_analyze, opt_null
%type <ival> copy_dirn, archive_type, OptArchiveType, OptArchiveLocation,
def_type, opt_direction, remove_type, opt_column, event
@@ -333,14 +333,20 @@ AddAttrStmt: ALTER TABLE relation_name opt_inh_star ADD COLUMN columnDef
}
;
columnDef: Id Typename
columnDef: Id Typename opt_null
{
$$ = makeNode(ColumnDef);
$$->colname = $1;
$$->typename = $2;
$$->is_not_null = $3;
}
;
opt_null: PNULL { $$ = false; }
| NOT PNULL { $$ = true; }
| NOTNULL { $$ = true; }
| /* EMPTY */ { $$ = false; }
;
/*****************************************************************************
*