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-rw-r--r--src/where.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/where.c b/src/where.c
index ba4631c6c..a9a258995 100644
--- a/src/where.c
+++ b/src/where.c
@@ -719,6 +719,12 @@ static void translateColumnToCopy(
VdbeOp *pOp = sqlite3VdbeGetOp(v, iStart);
int iEnd = sqlite3VdbeCurrentAddr(v);
if( pParse->db->mallocFailed ) return;
+#ifdef SQLITE_DEBUG
+ if( pParse->db->flags & SQLITE_VdbeAddopTrace ){
+ printf("CHECKING for column-to-copy on cursor %d for %d..%d\n",
+ iTabCur, iStart, iEnd);
+ }
+#endif
for(; iStart<iEnd; iStart++, pOp++){
if( pOp->p1!=iTabCur ) continue;
if( pOp->opcode==OP_Column ){