68391acd5f
Fix PRAGMA integrity_check so that it works with a UNIQUE index over
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expressions.
FossilOrigin-Name: 113181cec4db418b07640d6b1967923992efd71a
2015-09-25 20:49:16 +00:00
dae26fe518
Enhance the query planner so that it is able to use indexed expressions
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to help fulfill an ORDER BY clause.
FossilOrigin-Name: 668fc1ebaf426f9eed3ed7865e41f1023dafebfb
2015-09-24 18:47:59 +00:00
c5de2d0a05
Make sure joins work correctly when both sides of the join are connected
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using indexed expressions.
FossilOrigin-Name: c2fcb03299f2872d7f97a540ea145519f8b2e5cc
2015-09-24 12:19:17 +00:00
7269443281
Correctly handle the case of a WHERE-clause term with indexed expressions on
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both sides of the == sign.
FossilOrigin-Name: d9b716a6bd6145b2e7733c04d86227df777cd473
2015-09-24 11:26:45 +00:00
e63e8a6c78
Fix a crash that can occur with a skip-scan on an index with
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expressions when SQLITE_ENABLE_EXPLAIN_COMMENTS is defined.
FossilOrigin-Name: 25f34cb9b576a2d4250a06a7dbf88010b1c11675
2015-09-18 18:09:28 +00:00
0b8d255c37
Omit all use of Expr nodes for TK_AS, as those nodes no longer served a useful
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purpose and in fact interferred with the query planner.
FossilOrigin-Name: 7ab0b258eabfcfb7f1b0bd1b12e166d2f267823d
2015-09-05 22:36:07 +00:00
8b57642259
Fix a bug in error reporting when a UNIQUE index on expressions fails its
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uniqueness test.
FossilOrigin-Name: 5a2c0e90a1933545b4768d91d8f7c42c8f391019
2015-08-31 23:09:42 +00:00
390b88a448
Case should not be significant when comparing function names.
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FossilOrigin-Name: e2f1caf117b0a9632d52246717ab202852982339
2015-08-31 18:13:01 +00:00
1d85e405e6
Make the distinction between truly deterministic functions and date/time
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functions which only return the same answer for a single query. Only truly
deterministic functions are allowed in indexes. Add new expression index
test cases.
FossilOrigin-Name: c77554b5c42327106a7b90334e9cc3c07b007c76
2015-08-31 17:34:41 +00:00
47991425cb
Improved analysis and usage of indexed expressions in the query planner.
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FossilOrigin-Name: f8893696387cba9d293a05a68dc38228077b3dc5
2015-08-31 15:58:06 +00:00
drh