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| author | dan <dan@noemail.net> | 2019-07-22 16:33:02 +0000 |
|---|---|---|
| committer | dan <dan@noemail.net> | 2019-07-22 16:33:02 +0000 |
| commit | 7f6f12bdd35c55d9f98b6eefbe2d40c4a85aab87 (patch) | |
| tree | c90be8f5173dfe1513abdfe7ae4a356f4f82bd9c /src/window.c | |
| parent | 1e60261cfbc34cdad2625241ba6e5bedfb2e6716 (diff) | |
| parent | 75b0821e999cb14d4081a6ff8090e28e49e5bc7e (diff) | |
| download | sqlite-7f6f12bdd35c55d9f98b6eefbe2d40c4a85aab87.tar.gz sqlite-7f6f12bdd35c55d9f98b6eefbe2d40c4a85aab87.zip | |
Remove Window objects from the corresponding Select.pWin list when they are deleted, as they are, for example, when the ORDER BY clause is optimized out.
FossilOrigin-Name: fd7316cda0fdfe86985f41a97dff3beba188606ec9bc6fef38a686a6976a6e01
Diffstat (limited to 'src/window.c')
| -rw-r--r-- | src/window.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/window.c b/src/window.c index d769b0bb7..f94370a49 100644 --- a/src/window.c +++ b/src/window.c @@ -1022,6 +1022,10 @@ int sqlite3WindowRewrite(Parse *pParse, Select *p){ */ void sqlite3WindowDelete(sqlite3 *db, Window *p){ if( p ){ + if( p->ppThis ){ + *p->ppThis = p->pNextWin; + if( p->pNextWin ) p->pNextWin->ppThis = p->ppThis; + } sqlite3ExprDelete(db, p->pFilter); sqlite3ExprListDelete(db, p->pPartition); sqlite3ExprListDelete(db, p->pOrderBy); |