/ Check-in [73954f93]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Query planner heuristic update: When doing a full table scan on a table that has an equality constraint on an unindexed column, do not allow the estimated number of output rows to be greater than half the total number of rows in the table.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 73954f93c4c6f880c6e01d0d130e3fed40fd4106
User & Date: drh 2014-09-06 01:35:57
Context
2014-09-06
02:00
Fix a couple of typos in comments. No changes to code. (check-in: a758465e user: mistachkin tags: trunk)
01:35
Query planner heuristic update: When doing a full table scan on a table that has an equality constraint on an unindexed column, do not allow the estimated number of output rows to be greater than half the total number of rows in the table. (check-in: 73954f93 user: drh tags: trunk)
2014-09-05
05:58
Fix harmless compiler warning. (check-in: 73311906 user: mistachkin tags: trunk)
Changes
Unified Diffs Side-by-Side Diffs Patch

Changes to src/sqliteInt.h.

Changes to src/where.c.

Changes to test/whereJ.test.