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First cut at supporting CHECK constraints. Everything appears to work,

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but much more testing is needed as well as documentation. (CVS 2754)

FossilOrigin-Name: 2313d912baeca0fd516d524f16708953de483729
This commit is contained in:
drh
2005-11-03 00:41:17 +00:00
parent 8df447f0e6
commit ffe07b2dc1
12 changed files with 279 additions and 51 deletions
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7
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.424 2005/11/01 15:48:24 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.425 2005/11/03 00:41:17 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
@@ -639,6 +639,9 @@ struct Table {
Trigger *pTrigger; /* List of SQL triggers on this table */
FKey *pFKey; /* Linked list of all foreign keys in this table */
char *zColAff; /* String defining the affinity of each column */
#ifndef SQLITE_OMIT_CHECK
Expr *pCheck; /* The AND of all CHECK constraints */
#endif
#ifndef SQLITE_OMIT_ALTERTABLE
int addColOffset; /* Offset in CREATE TABLE statement to add a new column */
#endif
@@ -1172,6 +1175,7 @@ struct Parse {
int nTab; /* Number of previously allocated VDBE cursors */
int nMem; /* Number of memory cells used so far */
int nSet; /* Number of sets used so far */
int ckOffset; /* Stack offset to data used by CHECK constraints */
u32 writeMask; /* Start a write transaction on these databases */
u32 cookieMask; /* Bitmask of schema verified databases */
int cookieGoto; /* Address of OP_Goto to cookie verifier subroutine */
@@ -1449,6 +1453,7 @@ void sqlite3StartTable(Parse*,Token*,Token*,Token*,int,int);
void sqlite3AddColumn(Parse*,Token*);
void sqlite3AddNotNull(Parse*, int);
void sqlite3AddPrimaryKey(Parse*, ExprList*, int, int);
void sqlite3AddCheckConstraint(Parse*, Expr*);
void sqlite3AddColumnType(Parse*,Token*);
void sqlite3AddDefaultValue(Parse*,Expr*);
void sqlite3AddCollateType(Parse*, const char*, int);