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Min() and max() functions honor the distinction between TEXT and NUMERIC

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data.  Ticket #623.  typeof() is now a user function.  Some tests are
now failing due to ticket #521. (CVS 1272)

FossilOrigin-Name: adbe31adf1ad0ca723203ca3d7dc480324c60d43
This commit is contained in:
drh
2004-02-25 13:47:31 +00:00
parent d41d73d556
commit 268380ca9e
10 changed files with 191 additions and 155 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 1.219 2004/02/24 01:05:33 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.220 2004/02/25 13:47:33 drh Exp $
*/
#include "config.h"
#include "sqlite.h"
@@ -423,10 +423,12 @@ struct FuncDef {
void (*xFunc)(sqlite_func*,int,const char**); /* Regular function */
void (*xStep)(sqlite_func*,int,const char**); /* Aggregate function step */
void (*xFinalize)(sqlite_func*); /* Aggregate function finializer */
int nArg; /* Number of arguments */
int dataType; /* Datatype of the result */
void *pUserData; /* User data parameter */
FuncDef *pNext; /* Next function with same name */
signed char nArg; /* Number of arguments. -1 means unlimited */
signed char dataType; /* Arg that determines datatype. -1=NUMERIC, */
/* -2=TEXT. -3=SQLITE_ARGS */
u8 includeTypes; /* Add datatypes to args of xFunc and xStep */
void *pUserData; /* User data parameter */
FuncDef *pNext; /* Next function with same name */
};
/*
@@ -1172,6 +1174,7 @@ void sqliteUpdate(Parse*, SrcList*, ExprList*, Expr*, int);
WhereInfo *sqliteWhereBegin(Parse*, SrcList*, Expr*, int, ExprList**);
void sqliteWhereEnd(WhereInfo*);
void sqliteExprCode(Parse*, Expr*);
int sqliteExprCodeExprList(Parse*, ExprList*, int);
void sqliteExprIfTrue(Parse*, Expr*, int, int);
void sqliteExprIfFalse(Parse*, Expr*, int, int);
Table *sqliteFindTable(sqlite*,const char*, const char*);