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Implement indices that occur in sort order and the LIMIT...OFFSET clause

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of SELECT statements. (CVS 301)

FossilOrigin-Name: eb07768ae93f14bf6c150c1c4329948857a9d01c
This commit is contained in:
drh
2001-11-06 04:00:18 +00:00
parent 80ff32f5be
commit 9bbca4c1c0
9 changed files with 469 additions and 295 deletions
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7
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.66 2001/11/04 18:32:47 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.67 2001/11/06 04:00:19 drh Exp $
*/
#include "sqlite.h"
#include "hash.h"
@@ -328,6 +328,7 @@ struct Select {
ExprList *pOrderBy; /* The ORDER BY clause */
int op; /* One of: TK_UNION TK_ALL TK_INTERSECT TK_EXCEPT */
Select *pPrior; /* Prior select in a compound select statement */
int nLimit, nOffset; /* LIMIT and OFFSET values. -1 means not used */
};
/*
@@ -407,6 +408,7 @@ int sqliteStrNICmp(const char *, const char *, int);
int sqliteHashNoCase(const char *, int);
int sqliteCompare(const char *, const char *);
int sqliteSortCompare(const char *, const char *);
void sqliteRealToSortable(double r, char *);
#ifdef MEMORY_DEBUG
void *sqliteMalloc_(int,char*,int);
void sqliteFree_(void*,char*,int);
@@ -449,7 +451,8 @@ void sqliteIdListDelete(IdList*);
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);
Select *sqliteSelectNew(ExprList*,IdList*,Expr*,ExprList*,Expr*,ExprList*,
int,int,int);
void sqliteSelectDelete(Select*);
void sqliteDeleteFrom(Parse*, Token*, Expr*);
void sqliteUpdate(Parse*, Token*, ExprList*, Expr*);