diff options
Diffstat (limited to 'chromium/third_party/sqlite/patches/0010-Fix-a-problem-with-nested-CTEs-with-the-same-table.patch')
| -rw-r--r-- | chromium/third_party/sqlite/patches/0010-Fix-a-problem-with-nested-CTEs-with-the-same-table.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/chromium/third_party/sqlite/patches/0010-Fix-a-problem-with-nested-CTEs-with-the-same-table.patch b/chromium/third_party/sqlite/patches/0010-Fix-a-problem-with-nested-CTEs-with-the-same-table.patch deleted file mode 100644 index 216d8ef8117..00000000000 --- a/chromium/third_party/sqlite/patches/0010-Fix-a-problem-with-nested-CTEs-with-the-same-table.patch +++ /dev/null @@ -1,42 +0,0 @@ -From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 -From: Victor Costan <pwnall@chromium.org> -Date: Fri, 11 Jan 2019 02:30:28 -0800 -Subject: [PATCH 10/40] Fix a problem with nested CTEs with the same table. - -This backports https://www.sqlite.org/src/info/202dd033019dd274 - -Bug: 917834 ---- - third_party/sqlite/src/src/select.c | 11 ++++++++--- - 1 file changed, 8 insertions(+), 3 deletions(-) - -diff --git a/third_party/sqlite/src/src/select.c b/third_party/sqlite/src/src/select.c -index 870c3b5c1739..fab4df68fa17 100644 ---- a/third_party/sqlite/src/src/select.c -+++ b/third_party/sqlite/src/src/select.c -@@ -5464,14 +5464,19 @@ static struct SrcList_item *isSelfJoinView( - ){ - struct SrcList_item *pItem; - for(pItem = pTabList->a; pItem<pThis; pItem++){ -+ Select *pS1; - if( pItem->pSelect==0 ) continue; - if( pItem->fg.viaCoroutine ) continue; - if( pItem->zName==0 ) continue; - if( sqlite3_stricmp(pItem->zDatabase, pThis->zDatabase)!=0 ) continue; - if( sqlite3_stricmp(pItem->zName, pThis->zName)!=0 ) continue; -- if( sqlite3ExprCompare(0, -- pThis->pSelect->pWhere, pItem->pSelect->pWhere, -1) -- ){ -+ pS1 = pItem->pSelect; -+ if( pThis->pSelect->selId!=pS1->selId ){ -+ /* The query flattener left two different CTE tables with identical -+ ** names in the same FROM clause. */ -+ continue; -+ } -+ if( sqlite3ExprCompare(0, pThis->pSelect->pWhere, pS1->pWhere, -1) ){ - /* The view was modified by some other optimization such as - ** pushDownWhereTerms() */ - continue; --- -2.18.0 - |