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Allow virtual tables to mark columns as 'hidden'. Hidden columns do not show

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up in "*" expansion, the implicit column list of an INSERT statement, or the results of a "PRAGMA table_info" statement. (CVS 4127)

FossilOrigin-Name: 7f887a6a00fdd6efc3740bd8a1731bb1abde087c
This commit is contained in:
danielk1977
2007-06-26 10:38:54 +00:00
parent 8605761506
commit 034ca14f81
8 changed files with 235 additions and 23 deletions
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9
src/pragma.c
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@@ -11,7 +11,7 @@
*************************************************************************
** This file contains code used to implement the PRAGMA command.
**
** $Id: pragma.c,v 1.141 2007/06/25 08:16:58 danielk1977 Exp $
** $Id: pragma.c,v 1.142 2007/06/26 10:38:55 danielk1977 Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -627,6 +627,7 @@ void sqlite3Pragma(
pTab = sqlite3FindTable(db, zRight, zDb);
if( pTab ){
int i;
int nHidden = 0;
Column *pCol;
sqlite3VdbeSetNumCols(v, 6);
sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "cid", P3_STATIC);
@@ -638,7 +639,11 @@ void sqlite3Pragma(
sqlite3ViewGetColumnNames(pParse, pTab);
for(i=0, pCol=pTab->aCol; i<pTab->nCol; i++, pCol++){
const Token *pDflt;
sqlite3VdbeAddOp(v, OP_Integer, i, 0);
if( IsHiddenColumn(pCol) ){
nHidden++;
continue;
}
sqlite3VdbeAddOp(v, OP_Integer, i-nHidden, 0);
sqlite3VdbeOp3(v, OP_String8, 0, 0, pCol->zName, 0);
sqlite3VdbeOp3(v, OP_String8, 0, 0,
pCol->zType ? pCol->zType : "", 0);