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VDBE cursors numbers for tables in a join do not have to be consecutive.

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This is one step on the road to fixing ticket #272. (CVS 947)

FossilOrigin-Name: be7aed2011b4af868b6a0c370c3d41354ae0cdf4
This commit is contained in:
drh
2003-05-02 14:32:12 +00:00
parent 56e452cf3a
commit 6a3ea0e6ef
15 changed files with 315 additions and 322 deletions
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13
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.182 2003/04/29 16:20:46 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.183 2003/05/02 14:32:14 drh Exp $
*/
#include "config.h"
#include "sqlite.h"
@@ -717,7 +717,6 @@ struct WhereInfo {
SrcList *pTabList; /* List of tables in the join */
int iContinue; /* Jump here to continue with next record */
int iBreak; /* Jump here to break out of the loop */
int base; /* Index of first Open opcode */
int nLevel; /* Number of nested loop */
int savedNTab; /* Value of pParse->nTab before WhereBegin() */
int peakNTab; /* Value of pParse->nTab after WhereBegin() */
@@ -754,7 +753,6 @@ struct Select {
Select *pPrior; /* Prior select in a compound select statement */
int nLimit, nOffset; /* LIMIT and OFFSET values. -1 means not used */
char *zSelect; /* Complete text of the SELECT command */
int base; /* Index of VDBE cursor for left-most FROM table */
};
/*
@@ -1039,6 +1037,7 @@ IdList *sqliteIdListAppend(IdList*, Token*);
int sqliteIdListIndex(IdList*,const char*);
SrcList *sqliteSrcListAppend(SrcList*, Token*, Token*);
void sqliteSrcListAddAlias(SrcList*, Token*);
void sqliteSrcListAssignCursors(Parse*, SrcList*);
void sqliteIdListDelete(IdList*);
void sqliteSrcListDelete(SrcList*);
void sqliteCreateIndex(Parse*,Token*,SrcList*,IdList*,int,int,Token*,Token*);
@@ -1054,7 +1053,7 @@ Table *sqliteSrcListLookup(Parse*, SrcList*);
int sqliteIsReadOnly(Parse*, Table*, int);
void sqliteDeleteFrom(Parse*, SrcList*, Expr*);
void sqliteUpdate(Parse*, SrcList*, ExprList*, Expr*, int);
WhereInfo *sqliteWhereBegin(Parse*, int, SrcList*, Expr*, int, ExprList**);
WhereInfo *sqliteWhereBegin(Parse*, SrcList*, Expr*, int, ExprList**);
void sqliteWhereEnd(WhereInfo*);
void sqliteExprCode(Parse*, Expr*);
void sqliteExprIfTrue(Parse*, Expr*, int, int);
@@ -1072,7 +1071,7 @@ int sqliteExprCheck(Parse*, Expr*, int, int*);
int sqliteExprType(Expr*);
int sqliteExprCompare(Expr*, Expr*);
int sqliteFuncId(Token*);
int sqliteExprResolveIds(Parse*, int, SrcList*, ExprList*, Expr*);
int sqliteExprResolveIds(Parse*, SrcList*, ExprList*, Expr*);
int sqliteExprAnalyzeAggregates(Parse*, Expr*);
Vdbe *sqliteGetVdbe(Parse*);
int sqliteRandomByte(void);
@@ -1120,12 +1119,12 @@ int sqliteJoinType(Parse*, Token*, Token*, Token*);
void sqliteCreateForeignKey(Parse*, IdList*, Token*, IdList*, int);
void sqliteDeferForeignKey(Parse*, int);
#ifndef SQLITE_OMIT_AUTHORIZATION
void sqliteAuthRead(Parse*,Expr*,SrcList*,int);
void sqliteAuthRead(Parse*,Expr*,SrcList*);
int sqliteAuthCheck(Parse*,int, const char*, const char*, const char*);
void sqliteAuthContextPush(Parse*, AuthContext*, const char*);
void sqliteAuthContextPop(AuthContext*);
#else
# define sqliteAuthRead(a,b,c,d)
# define sqliteAuthRead(a,b,c)
# define sqliteAuthCheck(a,b,c,d) SQLITE_OK
# define sqliteAuthContextPush(a,b,c)
# define sqliteAuthContextPop(a)