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The datatype of the i-th column in the result set is given by the

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azColName(argc+1+i) parameter to the callback. (CVS 647)

FossilOrigin-Name: bdb006b809feb0f29342eb5138c0884d34e95599
This commit is contained in:
drh
2002-06-26 02:45:03 +00:00
parent 411995dc0d
commit b13632063d
5 changed files with 47 additions and 15 deletions
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18
src/expr.c
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@@ -12,7 +12,7 @@
** This file contains routines used for analyzing expressions and
** for generating VDBE code that evaluates expressions in SQLite.
**
** $Id: expr.c,v 1.73 2002/06/20 11:36:49 drh Exp $
** $Id: expr.c,v 1.74 2002/06/26 02:45:04 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -889,6 +889,22 @@ int sqliteExprType(Expr *p){
p = p->pSelect->pEList->a[0].pExpr;
break;
case TK_CASE: {
if( p->pRight && sqliteExprType(p->pRight)==SQLITE_SO_NUM ){
return SQLITE_SO_NUM;
}
if( p->pList ){
int i;
ExprList *pList = p->pList;
for(i=1; i<pList->nExpr; i+=2){
if( sqliteExprType(pList->a[i].pExpr)==SQLITE_SO_NUM ){
return SQLITE_SO_NUM;
}
}
}
return SQLITE_SO_TEXT;
}
default:
assert( p->op==TK_ABORT ); /* Can't Happen */
break;