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The EXPLAIN QUERY PLAN now identifies when tables use the integer primary key. (CVS 2771)

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FossilOrigin-Name: 80721e2c9033abb2e9eed32892c4e486c293e1fa
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drh
2005-11-21 12:46:27 +00:00
parent 4efc083f57
commit 36d649303f
3 changed files with 10 additions and 8 deletions
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4
src/where.c
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@@ -16,7 +16,7 @@
** so is applicable. Because this module is responsible for selecting
** indices, you might also think of this module as the "query optimizer".
**
** $Id: where.c,v 1.181 2005/11/14 22:29:06 drh Exp $
** $Id: where.c,v 1.182 2005/11/21 12:46:27 drh Exp $
*/
#include "sqliteInt.h"
@@ -1550,6 +1550,8 @@ WhereInfo *sqlite3WhereBegin(
}
if( (pIx = pLevel->pIdx)!=0 ){
zMsg = sqlite3MPrintf("%z WITH INDEX %s", zMsg, pIx->zName);
}else if( pLevel->flags & (WHERE_ROWID_EQ|WHERE_ROWID_RANGE) ){
zMsg = sqlite3MPrintf("%z USING INTEGER PRIMARY KEY", zMsg);
}
sqlite3VdbeOp3(v, OP_Explain, i, pLevel->iFrom, zMsg, P3_DYNAMIC);
}