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Initial implementation of LEFT OUTER JOIN including the expanded SQL92 join

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syntax. The basic functionality is there but there is still a lot of testing
to do. (CVS 587)

FossilOrigin-Name: 99bd1f5b9a1a20bfeefe15c00d96a34a5f40923e
This commit is contained in:
drh
2002-05-24 20:31:36 +00:00
parent 01f3f25376
commit ad2d8307ac
10 changed files with 313 additions and 39 deletions
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5
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.114 2002/05/24 16:14:15 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.115 2002/05/24 20:31:37 drh Exp $
*/
#include "sqlite.h"
#include "hash.h"
@@ -481,6 +481,8 @@ struct WhereLevel {
int brk; /* Jump here to break out of the loop */
int cont; /* Jump here to continue with the next loop cycle */
int op, p1, p2; /* Opcode used to terminate the loop */
int iLeftJoin; /* Memory cell used to implement LEFT OUTER JOIN */
int top; /* First instruction of interior of the loop */
};
/*
@@ -797,6 +799,7 @@ void sqliteDropTable(Parse*, Token*, int);
void sqliteDeleteTable(sqlite*, Table*);
void sqliteInsert(Parse*, Token*, ExprList*, Select*, IdList*, int);
IdList *sqliteIdListAppend(IdList*, Token*);
int sqliteIdListIndex(IdList*,const char*);
SrcList *sqliteSrcListAppend(SrcList*, Token*);
void sqliteSrcListAddAlias(SrcList*, Token*);
void sqliteIdListDelete(IdList*);