drh
4e50c5ec48
Further testing and bug fixing for sqlite_stat3. Added the Index.avgEq
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field to index statistics. Fixed several problems in the query planner
associated with stat3.
FossilOrigin-Name: 89b2f70884cad0abdf4c66cb64ecddb2820ded74
2011-08-13 19:35:19 +00:00
drh
a5ae4c330b
Remove relevant elements from the sqlite_stat2 table when doing a DROP
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INDEX or DROP TABLE.
FossilOrigin-Name: 3c8f97ae527e380bf2583c7cf8ceac9509f29bfe
2011-08-07 01:31:52 +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
155640552b
Enhance the ANALYZE command so that it gathers statistics in the sqlite_stat1
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table even for tables that are empty or have no indices.
FossilOrigin-Name: a7645d293801da64a7579737d0a8b48117af2e2c
2010-09-25 22:32:56 +00:00
dan
cb35460330
Changes to test scripts so that the "inmemory_journal" permutation works with [ef126e775a].
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FossilOrigin-Name: f553c8ed04b4b2df8ff4929e0754e3ffd1d01ba4
2010-07-08 09:44:42 +00:00
drh
c456e57af7
Do not allow indexing of any table whose name begins with "sqlite_".
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Ticket #3284 . Improve handling of databases with malformed schemas -
just in case somebody has actually indexed a system table. (CVS 5553)
FossilOrigin-Name: 0e1d8d14a153483e65bd0246d23db2b823a122d1
2008-08-11 18:44:58 +00:00
drh
4cfb22f798
Fix problems in test scripts. Add new test cases to improve test coverage. (CVS 5521)
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FossilOrigin-Name: b65f493c7519e8a5ee632a395b57d45269741dda
2008-08-01 18:47:01 +00:00
danielk1977
006015d8e5
Remove entries from the sqlite_stat1 table whenever an index is dropped. Related to #3033 . (CVS 4989)
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FossilOrigin-Name: 349aab42c7896f04ecb6ca33f08a4c194051e837
2008-04-11 17:11:26 +00:00
drh
345331507f
When a parse of the sqlite_master table fails, include the name of the
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object being parsed as part of the error message. (CVS 4881)
FossilOrigin-Name: 57805b588f6b6d070918102a0ff096ade674279a
2008-03-19 13:03:33 +00:00
drh
0c35667b02
The shell does not output the sqlite_stat1 table on .dump or .schema.
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The ANALYZE command now gathers statistics on tables that have only
a single index because this sometimes helps when reordering tables
in a join. (CVS 2686)
FossilOrigin-Name: 26565b8931419031f9a8dd3947e1e2bd23ccbff2
2005-09-10 22:40:53 +00:00
drh
1ec43c9a5a
Fix ANALYZE so that it works even if the empty_result_callbacks pragma is
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enabled. Ticket #1409 . (CVS 2659)
FossilOrigin-Name: bfdaef1224d741deefe211e1e607bac4c80f2d89
2005-09-06 10:26:47 +00:00
drh
8b3d990b71
Bring testing coverage of the analyze.c file up to 100%. Bugs found and
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fixed in the process. (CVS 2599)
FossilOrigin-Name: 2fe0ac4fa4d5911e266979021fa7e413d96c558d
2005-08-19 00:14:42 +00:00
drh
17a18f2f36
Store the total number of rows as part of the ANALYZE statistics. (CVS 2563)
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FossilOrigin-Name: 868279c78e056d27b2d1bea81127fe689b2ce478
2005-07-23 14:52:12 +00:00
drh
e6e049694d
Full-coverage testing and documentation for the ANALYZE command. The
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results of analysis are still not loaded or used, however. (CVS 2561)
FossilOrigin-Name: bd7583a5d63412785a9c5de54d25b509da241605
2005-07-23 02:17:03 +00:00
