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Turn of the reporting of datatypes in the 4th callback argument unless the

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SHOW_DATATYPES pragma is ON.  Eliminate the NULL pointer that used to separate
the beginning of datatypes from the end of column names so that the callback
can test to see whether or not datatypes are provided.  This is an
incompatible changes, but since the prior behavior was never documented, we
will let it in. (CVS 670)

FossilOrigin-Name: b98727246d5fcc1b097b577be498a77e954c5dc4
This commit is contained in:
drh
2002-07-11 12:18:16 +00:00
parent fa173a764a
commit 5080aaa7ab
6 changed files with 56 additions and 37 deletions
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24
src/select.c
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@@ -12,7 +12,7 @@
** This file contains C code routines that are called by the parser
** to handle SELECT statements in SQLite.
**
** $Id: select.c,v 1.104 2002/07/10 21:26:01 drh Exp $
** $Id: select.c,v 1.105 2002/07/11 12:18:17 drh Exp $
*/
#include "sqliteInt.h"
@@ -612,7 +612,11 @@ static void generateColumnNames(
int i;
if( pParse->colNamesSet || v==0 || sqlite_malloc_failed ) return;
pParse->colNamesSet = 1;
sqliteVdbeAddOp(v, OP_ColumnCount, pEList->nExpr*2+1, 0);
if( pParse->db->flags & SQLITE_ReportTypes ){
sqliteVdbeAddOp(v, OP_ColumnCount, pEList->nExpr*2, 0);
}else{
sqliteVdbeAddOp(v, OP_ColumnCount, pEList->nExpr, 0);
}
for(i=0; i<pEList->nExpr; i++){
Expr *p;
char *zType = 0;
@@ -672,15 +676,17 @@ static void generateColumnNames(
sqliteVdbeAddOp(v, OP_ColumnName, i, 0);
sqliteVdbeChangeP3(v, -1, zName, strlen(zName));
}
if( zType==0 ){
if( sqliteExprType(p)==SQLITE_SO_TEXT ){
zType = "TEXT";
}else{
zType = "NUMERIC";
if( pParse->db->flags & SQLITE_ReportTypes ){
if( zType==0 ){
if( sqliteExprType(p)==SQLITE_SO_TEXT ){
zType = "TEXT";
}else{
zType = "NUMERIC";
}
}
sqliteVdbeAddOp(v, OP_ColumnName, i + pEList->nExpr, 0);
sqliteVdbeChangeP3(v, -1, zType, P3_STATIC);
}
sqliteVdbeAddOp(v, OP_ColumnName, i + pEList->nExpr + 1, 0);
sqliteVdbeChangeP3(v, -1, zType, P3_STATIC);
}
}