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Fix for ticket #46: Report an error if a CREATE TABLE contains two or more

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columns with the same name. (CVS 578)

FossilOrigin-Name: ba1953abd04671232cf9e93ab3f962fedbbdc508
This commit is contained in:
drh
2002-05-22 21:27:03 +00:00
parent 2ce1a6ec60
commit 97fc3d060a
4 changed files with 33 additions and 14 deletions
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20
src/build.c
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@@ -25,7 +25,7 @@
** ROLLBACK
** PRAGMA
**
** $Id: build.c,v 1.92 2002/05/21 11:38:11 drh Exp $
** $Id: build.c,v 1.93 2002/05/22 21:27:03 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -502,8 +502,20 @@ void sqliteStartTable(Parse *pParse, Token *pStart, Token *pName, int isTemp){
*/
void sqliteAddColumn(Parse *pParse, Token *pName){
Table *p;
char **pz;
int i;
char *z = 0;
if( (p = pParse->pNewTable)==0 ) return;
sqliteSetNString(&z, pName->z, pName->n, 0);
if( z==0 ) return;
sqliteDequote(z);
for(i=0; i<p->nCol; i++){
if( sqliteStrICmp(z, p->aCol[i].zName)==0 ){
sqliteSetString(&pParse->zErrMsg, "duplicate column name: ", z, 0);
pParse->nErr++;
sqliteFree(z);
return;
}
}
if( (p->nCol & 0x7)==0 ){
Column *aNew;
aNew = sqliteRealloc( p->aCol, (p->nCol+8)*sizeof(p->aCol[0]));
@@ -511,9 +523,7 @@ void sqliteAddColumn(Parse *pParse, Token *pName){
p->aCol = aNew;
}
memset(&p->aCol[p->nCol], 0, sizeof(p->aCol[0]));
pz = &p->aCol[p->nCol++].zName;
sqliteSetNString(pz, pName->z, pName->n, 0);
sqliteDequote(*pz);
p->aCol[p->nCol++].zName = z;
}
/*