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Added basic support for enforcement of UNIQUE on indices and primary

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keys.  Support for addition constraints is to follow. (CVS 267)

FossilOrigin-Name: 34c42967f3d52dfb65d9f31db4f6995d098ec1f7
This commit is contained in:
drh
2001-09-27 03:22:32 +00:00
parent 4502a0d7e9
commit 717e640294
13 changed files with 180 additions and 90 deletions
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17
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.54 2001/09/23 19:46:52 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.55 2001/09/27 03:22:33 drh Exp $
*/
#include "sqlite.h"
#include "hash.h"
@@ -190,9 +190,9 @@ struct Table {
Column *aCol; /* Information about each column */
Index *pIndex; /* List of SQL indexes on this table. */
int tnum; /* Page containing root for this table */
int readOnly; /* True if this table should not be written by the user */
int isCommit; /* True if creation of this table has been committed */
int isDelete; /* True if this table is being deleted */
u8 readOnly; /* True if this table should not be written by the user */
u8 isCommit; /* True if creation of this table has been committed */
u8 isDelete; /* True if this table is being deleted */
};
/*
@@ -220,9 +220,9 @@ struct Index {
int *aiColumn; /* Which columns are used by this index. 1st is 0 */
Table *pTable; /* The SQL table being indexed */
int tnum; /* Page containing root of this index in database file */
int isUnique; /* True if keys must all be unique */
int isCommit; /* True if creation of this index has been committed */
int isDelete; /* True if deletion of this index has not been comitted */
u8 isUnique; /* True if keys must all be unique */
u8 isCommit; /* True if creation of this index has been committed */
u8 isDelete; /* True if deletion of this index has not been comitted */
Index *pNext; /* The next index associated with the same table */
};
@@ -431,7 +431,7 @@ void sqliteInsert(Parse*, Token*, ExprList*, Select*, IdList*);
IdList *sqliteIdListAppend(IdList*, Token*);
void sqliteIdListAddAlias(IdList*, Token*);
void sqliteIdListDelete(IdList*);
void sqliteCreateIndex(Parse*, Token*, Token*, IdList*, Token*, Token*);
void sqliteCreateIndex(Parse*, Token*, Token*, IdList*, int, Token*, Token*);
void sqliteDropIndex(Parse*, Token*);
int sqliteSelect(Parse*, Select*, int, int);
Select *sqliteSelectNew(ExprList*,IdList*,Expr*,ExprList*,Expr*,ExprList*,int);
@@ -463,4 +463,3 @@ void sqliteBeginTransaction(Parse*);
void sqliteCommitTransaction(Parse*);
void sqliteRollbackTransaction(Parse*);
char *sqlite_mprintf(const char *, ...);
const char *sqliteErrStr(int);