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Additional refinements to Expr handling. Restore compression of trigger

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expressions.  Change Expr.zToken to Expr.u.zToken and added Expr.u.iValue.
Remove an unnecessary ExprDup from CHECK constraint processing.  And so forth. (CVS 6682)

FossilOrigin-Name: 4ac2bdfbb4230b6ceaae87e738fa61036bbe03cb
This commit is contained in:
drh
2009-05-28 01:00:55 +00:00
parent b7916a78ff
commit 33e619fc1c
23 changed files with 296 additions and 197 deletions
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14
src/build.c
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@@ -22,7 +22,7 @@
** COMMIT
** ROLLBACK
**
** $Id: build.c,v 1.545 2009/05/27 10:31:29 drh Exp $
** $Id: build.c,v 1.546 2009/05/28 01:00:55 drh Exp $
*/
#include "sqliteInt.h"
@@ -1181,14 +1181,12 @@ void sqlite3AddCheckConstraint(
#ifndef SQLITE_OMIT_CHECK
Table *pTab = pParse->pNewTable;
if( pTab && !IN_DECLARE_VTAB ){
/* The CHECK expression must be duplicated so that tokens refer
** to malloced space and not the (ephemeral) text of the CREATE TABLE
** statement */
pTab->pCheck = sqlite3ExprAnd(db, pTab->pCheck,
sqlite3ExprDup(db, pCheckExpr, 0));
}
pTab->pCheck = sqlite3ExprAnd(db, pTab->pCheck, pCheckExpr);
}else
#endif
sqlite3ExprDelete(db, pCheckExpr);
{
sqlite3ExprDelete(db, pCheckExpr);
}
}
/*