database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-14 00:22:38 +03:00
Code Activity

Do not mark the ephemeral tables used to hold the RHS of IN clauses as

Browse Source 
unordered because the NGQP will use those ephemeral tables to help order the
output.  This is not an issue for standard SQLite since ephemeral tables
there are always ordered, regardless of the hint.  It only affects systems
that substitute an alternative storage engine.

FossilOrigin-Name: f2504089df0bf4011864e67825b37f6aa3d03458
This commit is contained in:
drh
2014-02-04 23:45:45 +00:00
parent ee06c99b49
commit e08ecad58a
3 changed files with 7 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
src/expr.c
View File

@@ -1763,7 +1763,6 @@ int sqlite3CodeSubselect(
*/
pExpr->iTable = pParse->nTab++;
addr = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pExpr->iTable, !isRowid);
if( rMayHaveNull==0 ) sqlite3VdbeChangeP5(v, BTREE_UNORDERED);
pKeyInfo = isRowid ? 0 : sqlite3KeyInfoAlloc(pParse->db, 1, 1);
if( ExprHasProperty(pExpr, EP_xIsSelect) ){