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A column name preceded by a unary "+" operator is considered to be

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a column name when computing the collating sequence to be used by
a comparison operator or ORDER BY clause. (CVS 4104)

FossilOrigin-Name: 99a20f6a427b5e0e0a793f59ebca9d17bc633437
This commit is contained in:
drh
2007-06-20 16:13:23 +00:00
parent 7cd6927e7f
commit 7e09fe0b81
5 changed files with 68 additions and 12 deletions
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6
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 1.298 2007/06/15 16:37:29 danielk1977 Exp $
** $Id: expr.c,v 1.299 2007/06/20 16:13:23 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -71,8 +71,10 @@ Expr *sqlite3ExprSetColl(Parse *pParse, Expr *pExpr, Token *pName){
CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr){
CollSeq *pColl = 0;
if( pExpr ){
int op;
pColl = pExpr->pColl;
if( pExpr->op==TK_CAST && !pColl ){
op = pExpr->op;
if( (op==TK_CAST || op==TK_UPLUS) && !pColl ){
return sqlite3ExprCollSeq(pParse, pExpr->pLeft);
}
}