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Completed FOREIGN KEY syntax.

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Added functionality for automatic trigger creation during CREATE TABLE.

Added ON DELETE RESTRICT and some others.

Jan
This commit is contained in:
Jan Wieck
1999-12-06 18:02:47 +00:00
parent 1d8ce77233
commit b8ef7e7f82
6 changed files with 1178 additions and 114 deletions
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33
src/include/nodes/parsenodes.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: parsenodes.h,v 1.87 1999/11/30 03:57:29 momjian Exp $
* $Id: parsenodes.h,v 1.88 1999/12/06 18:02:47 wieck Exp $
*
*-------------------------------------------------------------------------
*/
@@ -172,6 +172,37 @@ typedef struct Constraint
List *keys; /* list of primary keys */
} Constraint;
/* ----------
* Definitions for FOREIGN KEY constraints in CreateStmt
* ----------
*/
#define FKCONSTR_ON_KEY_NOACTION 0x0000
#define FKCONSTR_ON_KEY_RESTRICT 0x0001
#define FKCONSTR_ON_KEY_CASCADE 0x0002
#define FKCONSTR_ON_KEY_SETNULL 0x0004
#define FKCONSTR_ON_KEY_SETDEFAULT 0x0008
#define FKCONSTR_ON_DELETE_MASK 0x000F
#define FKCONSTR_ON_DELETE_SHIFT 0
#define FKCONSTR_ON_UPDATE_MASK 0x00F0
#define FKCONSTR_ON_UPDATE_SHIFT 4
typedef struct FkConstraint
{
NodeTag type;
char *constr_name; /* Constraint name */
char *pktable_name; /* Primary key table name */
List *fk_attrs; /* Attributes of foreign key */
List *pk_attrs; /* Corresponding attrs in PK table */
char *match_type; /* FULL or PARTIAL */
int32 actions; /* ON DELETE/UPDATE actions */
bool deferrable; /* DEFERRABLE */
bool initdeferred; /* INITIALLY DEFERRED */
} FkConstraint;
/* ----------------------
* Create/Drop TRIGGER Statements
* ----------------------