drh
175b8f06f7
Remove support for STAT3. The sqlite_stat3 tables are ignored, if they
...
exist. STAT4 continues to work as it always has, and as it is a superset of
STAT3 is the recommended replacement.
FossilOrigin-Name: 1e17ea2fd1df4ad49138c787c8fe3207dd0c25c93f9001d52a9b69f8c12e841c
2019-08-08 15:24:17 +00:00
drh
cdf88760da
More test case updates. Tests are all running now.
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FossilOrigin-Name: dab5e5294813891469660cceb211ac1a1e526715bb57dcdbb1ab90321e6a4dad
2018-05-02 19:42:33 +00:00
drh
358406fc57
Expire prepared statements after running ANALYZE.
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FossilOrigin-Name: b083a961f8ac3a6158e822574d73cd63e3103b09
2014-07-22 14:42:16 +00:00
drh
d9e3cad2f8
Progress toward using the iScanRatio information on indices. Many tests
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are still failing.
FossilOrigin-Name: 6c352edbba85a15ca356b5e131f4b3b2723d1774
2013-10-04 02:36:19 +00:00
dan
8ad169abb4
If ENABLE_STAT3 is defined but ENABLE_STAT4 is not, have ANALYZE create and populate the sqlite_stat3 table instead of sqlite_stat4.
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FossilOrigin-Name: cca8bf4372ab7a0258aa5c9397818415c6cf0abf
2013-08-12 20:14:04 +00:00
dan
f52bb8d385
Begin adding experimental sqlite_stat4 table. This commit is buggy.
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FossilOrigin-Name: 2beea303a1d609cd2ff252412c50b966b9e5e8f1
2013-08-03 20:24:58 +00:00
drh
5822d6feb2
Fix test cases for the new EXPLAIN QUERY PLAN format. Add the
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wherecosttest tool. Other fixes to logarithm cost.
FossilOrigin-Name: aa580e368e3c398b8377b80342dfdd906324c248
2013-06-10 23:30:09 +00:00
drh
3f4d1d1b02
Attempt to use a covering index even on a full table scan, under the theory
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that the index will be smaller and require less disk I/O and thus be faster.
FossilOrigin-Name: cfaa7bc12847a7006ccc93815f2395ad5259744a
2012-09-15 18:45:54 +00:00
drh
50a1c56a2e
Update some test cases to work with sqlite_stat3 instead of sqlite_stat2.
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FossilOrigin-Name: 2504bcfb0cf14b5ce51db0af1269ac28384714e0
2011-08-15 12:58:23 +00:00
drh
f6cf1ffb39
Do not generate sqlite_stat1 entries for empty tables when running
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ANALYZE. Ticket [83ea97620bd31016451]
FossilOrigin-Name: 3a27af5b3c688c651ba1fae261026ef77b7ff5e3
2011-03-30 14:54:05 +00:00
drh
92e4feb74c
Do a better job of choosing the join table order when the tables having
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very different numbers of rows.
FossilOrigin-Name: 952f5e8c69904c48f2decfabf8ea60a2e9f3e134
2011-03-04 00:56:58 +00:00
