diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index 04c8c9b5182..542760a2357 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -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 * ---------------------- |