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Improved clarity of presentation in the tokenizer. (CVS 5545)

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FossilOrigin-Name: 732657c6a639bdf71a3341f6747d19298d442ddb
This commit is contained in:
drh
2008-08-07 13:05:34 +00:00
parent 1857693df8
commit a33cb5f776
4 changed files with 16 additions and 20 deletions
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11
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 1.387 2008/07/28 19:34:53 drh Exp $
** $Id: expr.c,v 1.388 2008/08/07 13:05:35 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -1306,6 +1306,7 @@ static int lookupName(
*/
if( cnt==0 && zTab==0 && pColumnToken->z[0]=='"' ){
sqlite3DbFree(db, zCol);
pExpr->op = TK_STRING;
return 0;
}
@@ -1405,14 +1406,6 @@ static int nameResolverStep(void *pArg, Expr *pExpr){
}
#endif
switch( pExpr->op ){
/* Double-quoted strings (ex: "abc") are used as identifiers if
** possible. Otherwise they remain as strings. Single-quoted
** strings (ex: 'abc') are always string literals.
*/
case TK_STRING: {
if( pExpr->token.z[0]=='\'' ) break;
/* Fall thru into the TK_ID case if this is a double-quoted string */
}
/* A lone identifier is the name of a column.
*/
case TK_ID: {