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AttrConstr --> TupleConstr

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This commit is contained in:
Vadim B. Mikheev
1997-08-21 04:10:25 +00:00
parent e482462960
commit cc332d612b
4 changed files with 36 additions and 21 deletions
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39
src/include/access/tupdesc.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: tupdesc.h,v 1.6 1997/08/19 04:45:20 vadim Exp $
* $Id: tupdesc.h,v 1.7 1997/08/21 04:10:25 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -17,23 +17,38 @@
#include <access/attnum.h>
#include <catalog/pg_attribute.h>
typedef struct attrConstr {
/*------------------------------------------------------------------------
This structure contains flags to the constraints of a tuple
------------------------------------------------------------------------*/
bool has_not_null;
} AttrConstr;
typedef struct attrDefault {
AttrNumber adnum;
char *adbin;
char *adsrc;
} AttrDefault;
typedef struct constrCheck {
char *ccname;
char *ccbin;
char *ccsrc;
} ConstrCheck;
/* This structure contains constraints of a tuple */
typedef struct tupleConstr {
AttrDefault *defval;
ConstrCheck *check;
uint16 num_defval;
uint16 num_check;
bool has_not_null;
} TupleConstr;
/*
* This structure contains all information (i.e. from Classes
* pg_attribute, pg_attrdef, pg_relcheck) for a tuple.
*/
typedef struct tupleDesc {
/*------------------------------------------------------------------------
This structure contains all the attribute information (i.e. from Class
pg_attribute) for a tuple.
-------------------------------------------------------------------------*/
int natts;
/* Number of attributes in the tuple */
AttributeTupleForm *attrs;
/* attrs[N] is a pointer to the description of Attribute Number N+1. */
AttrConstr *constr;
TupleConstr *constr;
} *TupleDesc;
extern TupleDesc CreateTemplateTupleDesc(int natts);