dan
e934e633a5
Fix an invalid assert() in where.c. Also a crash that can occur in the EXPLAIN QUERY PLAN code under obscure circumstances.
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FossilOrigin-Name: ef192abb82c2fc31135f875d7a19908d67c076b0
2013-08-20 17:14:57 +00:00
drh
4fe425ad79
"make test" now passing.
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FossilOrigin-Name: addd7f466d6ff55f82d907286650c26b06e9397b
2013-06-12 17:08:06 +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
083310dfcc
Change the weighting of binary searches on tables to 1/10th the cost of a
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search on an index. Change the assumed reduction in search space from a
indexed range constraint from 1/3rd to 1/4th. Do not let the estimated
number of rows drop below 1.
FossilOrigin-Name: 4847c6cb71423248b186ab7842b97c83e2f5fefd
2011-01-28 01:57:41 +00:00
dan
4bc39fa188
Change the EXPLAIN QUERY PLAN output to use "USING INDEX" instead of "BY INDEX", and to use "SEARCH" instead of "SCAN" for loops that are not full-table scans.
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FossilOrigin-Name: 6611b76b0296875fb9903b25dfaa783a9c12eaa1
2010-11-13 16:42:27 +00:00
dan
47eb16d4ce
Modifications to test cases to account for new EXPLAIN QUERY PLAN output.
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FossilOrigin-Name: 30904ef8412348464e893e9e1551ef22cad24a3e
2010-11-11 10:36:25 +00:00
drh
5e377d90ed
If the outer loop of a join must be a full table scan, make sure that an
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incomplete ANALYZE does not trick the planner into use a table that might
be indexable in an inner loop. Ticket [13f033c865f878]
FossilOrigin-Name: e7a714b52c45af096af74049826d32c647abfe3f
2010-08-04 21:17:16 +00:00
drh
296a483c2e
Allow the keyword INDEXED to be used as the name of a table or index or
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column - for backwards compatibility. (CVS 6370)
FossilOrigin-Name: 53149c9f5d5cfaba3374703cd3af92a9d4cf8718
2009-03-22 20:36:18 +00:00
danielk1977
992347f2ed
Fix a bug in where.c causing a malfunction when an INDEXED BY clause specified an unusable index on other than the leftmost table in the FROM clause. Ticket #3560 . (CVS 6076)
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FossilOrigin-Name: f8ff0212129ce602a1e1e9ad702c47b9302f2f21
2008-12-30 09:45:45 +00:00
danielk1977
b1c685b0c8
Allow INDEXED BY and NOT INDEXED to be used in UPDATE and DELETE statements. (CVS 5772)
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FossilOrigin-Name: 83a7e446b2d4846a6f92bd831a2adaa265f5a786
2008-10-06 16:18:39 +00:00
danielk1977
de89c4cc17
Add a test to indexedby.test to check that automatic indexes (sqlite_autoindex_xxx) can be used with the INDEXED BY syntax. (CVS 5767)
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FossilOrigin-Name: bb51c34506b3353506b6f3566fbe2a10d02e8ebc
2008-10-06 11:29:49 +00:00
danielk1977
85574e31cb
Allow INDEXED BY and NOT INDEXED clauses in SELECT statements. (CVS 5766)
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FossilOrigin-Name: 98ca5580f5acd2e7b3ce512520ec0527f221505e
2008-10-06 05:32:18 +00:00
