diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vdbe.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/vdbe.c b/src/vdbe.c index 0b21787e0..0e3d8bc33 100644 --- a/src/vdbe.c +++ b/src/vdbe.c @@ -43,7 +43,7 @@ ** in this file for details. If in doubt, do not deviate from existing ** commenting and indentation practices when changing or adding code. ** -** $Id: vdbe.c,v 1.257 2004/02/08 18:07:35 drh Exp $ +** $Id: vdbe.c,v 1.258 2004/02/10 13:41:52 drh Exp $ */ #include "sqliteInt.h" #include "os.h" @@ -3784,11 +3784,21 @@ case OP_ListWrite: { /* Opcode: ListRewind * * * ** -** Rewind the temporary buffer back to the beginning. This is -** now a no-op. +** Rewind the temporary buffer back to the beginning. */ case OP_ListRewind: { - /* This is now a no-op */ + /* What this opcode codes, really, is reverse the order of the + ** linked list of Keylist structures so that they are read out + ** in the same order that they were read in. */ + Keylist *pRev, *pTop; + pRev = 0; + while( p->pList ){ + pTop = p->pList; + p->pList = pTop->pNext; + pTop->pNext = pRev; + pRev = pTop; + } + p->pList = pRev; break; } |