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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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15
src/insert.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle INSERT statements in SQLite.
**
** $Id: insert.c,v 1.144 2005/11/01 15:48:24 drh Exp $
** $Id: insert.c,v 1.145 2005/11/03 00:41:17 drh Exp $
*/
#include "sqliteInt.h"
@@ -868,7 +868,18 @@ void sqlite3GenerateConstraintChecks(
/* Test all CHECK constraints
*/
/**** TBD ****/
#ifndef SQLITE_OMIT_CHECK
if( pTab->pCheck ){
int allOk = sqlite3VdbeMakeLabel(v);
assert( pParse->ckOffset==0 );
pParse->ckOffset = nCol;
sqlite3ExprIfTrue(pParse, pTab->pCheck, allOk, 0);
assert( pParse->ckOffset==nCol );
pParse->ckOffset = 0;
sqlite3VdbeAddOp(v, OP_Halt, SQLITE_CONSTRAINT, OE_Abort);
sqlite3VdbeResolveLabel(v, allOk);
}
#endif /* !defined(SQLITE_OMIT_CHECK) */
/* If we have an INTEGER PRIMARY KEY, make sure the primary key
** of the new record does not previously exist. Except, if this