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11323 Commits

Author SHA1 Message Date
drh
7fa2092571 Clear the current time value on prepared statements when the prepared statement 
is reset.

FossilOrigin-Name: cebd6fc551d26aea0f28cd7d25338fe0b72aae88
 2013-09-17 23:36:33 +00:00
mistachkin
dcf31a14bf Readability improvements to the Win32 RC file. 
FossilOrigin-Name: e64590625774228b5602a66cfb087cf74e2b438b
 2013-09-16 20:46:34 +00:00
mistachkin
e62d373031 Minor consistency fixes to the Win32 RC file. 
FossilOrigin-Name: 619c5211b91aef98794e2e0a6f03832619fc83c0
 2013-09-16 19:27:36 +00:00
drh
95a7b3e36d The date and time functions use the exact same notion of "now" for every 
invocation within the same call to sqlite3_step().

FossilOrigin-Name: daf6ba413cb3cb6065774ba07495eab4a28b49b0
 2013-09-16 12:57:19 +00:00
mistachkin
b8af6a285c Fix Windows SDK compiler warning. 
FossilOrigin-Name: d5fc3f1dabc7227230dcabdd808357f63432357b
 2013-09-13 23:27:39 +00:00
mistachkin
9ac99313b5 Fix test issues for Windows portability. 
FossilOrigin-Name: 650b32825a85baff11b8e568649fd797066c8ab1
 2013-09-13 23:26:47 +00:00
mistachkin
02e8689233 VSIX tooling changes to support Visual Studio 2013. 
FossilOrigin-Name: d56fac40313e7d2e77dac3e2bc47cbbb3d10c656
 2013-09-13 22:38:54 +00:00
drh
77ff23f9c7 Fix the "const" qualifiers on the pragma name table. 
FossilOrigin-Name: b74e6be818fa7d19f1af6d86ad1d2ecba334b01b
 2013-09-13 21:03:45 +00:00
drh
55e85ca5f5 Add the soft_heap_limit pragma. 
FossilOrigin-Name: c326356f9a18bff5cf36bd59331e2cc207e349fa
 2013-09-13 21:01:56 +00:00
drh
d49c358e39 Tweak the new PRAGMA name parser to achieve full branch test coverage. 
FossilOrigin-Name: c82e05c4b8e000684d95ac8417afaef5e4d633e6
 2013-09-13 19:00:06 +00:00
drh
aecd80215c Remove one unreachable branch and add asserts() to dupedExprStructSize(). 
New asserts verify that removed branch is unused and that constants that are
ORed together in the output do not overlap.

FossilOrigin-Name: 86ad358b5a7567857f2f998fbb8266b7de9ec87e
 2013-09-13 18:15:15 +00:00
drh
a496fa7c02 Adjust the query planner to take into account WHERE clause terms that do not 
drive indices.  Add the unlikely() and likelihood() functions used to give
hints to the query planner about the selectivity of WHERE clause terms.

FossilOrigin-Name: bc446449a19171c0fa0681973b06bc80d3c0517f
 2013-09-13 17:47:57 +00:00
drh
6bb64f6a31 Enhance the pragma lookup table generator script to output a comment that 
gives the number of pragmas.

FossilOrigin-Name: ca05205050752b5d5f583421b7813fba62f5085c
 2013-09-13 16:56:17 +00:00
drh
9ccd8659ff Change the PRAGMA parser to use a binary search for the pragma name. 
Also:  Minor performance enhancement to sqlite3DbFree() and to the
token dequoter.

FossilOrigin-Name: 870c030b4e1854e6e0d39907fadbd82774c16f56
 2013-09-13 16:36:46 +00:00
dan
f1d2670d40 Add tests for the fts4 unicode61 tokenchars and separators options. 
FossilOrigin-Name: 9ce6f40dfb54b35cecba3cc9c1ec0d111f6e9f11
 2013-09-13 12:10:09 +00:00
drh
ebb6a65d16 Refactor the ExprSetIrreducible() macro into ExprSetVVAProperty(*,EP_NoReduce). 
This is a naming change only.  The logic is the same.

FossilOrigin-Name: 695aee46e9bdf15159ab52db7f522b30c91aed0f
 2013-09-12 23:42:22 +00:00
drh
6e1b167454 Fix typo in a macro name: "GlogUpperToLower" should be "GlobUpperToLower" 
FossilOrigin-Name: 73634ca463f46027bfa8ea23f18abaa530460e24
 2013-09-12 23:12:08 +00:00
drh
a4c3c87e3d Merge in the Expr.flags expansion to 32-bits. Use an extra bit to help 
optimize the sqlite3ExprSkipCollate() routine.

FossilOrigin-Name: 4c84d1b4c20f18921dd705bf67e8225975b83e86
 2013-09-12 17:29:25 +00:00
drh
c5cd124900 Increase the number of bits available in Expr.flags. Other tweaks aimed at 
making expression processing more robust.

FossilOrigin-Name: 579a512538528cf4bb4381ba393c5d9e7310086b
 2013-09-12 16:50:49 +00:00
mistachkin
a9cb5be49a For error log messages generated by the Win32 native allocator, make sure the correct format specifier is used for the value returned by GetLastError(). 
FossilOrigin-Name: 75a8a8c1b39725d36db627536d0c69401f8e0815
 2013-09-12 02:09:05 +00:00
mistachkin
36ca5359dc Fix a couple more harmless compiler warnings. 
FossilOrigin-Name: 59708674f66e06c9c31c1a24f2f1c51f0bf4fa3e
 2013-09-12 01:47:57 +00:00
drh
4a1f4ff53b Remove two obsolete fields from the sqlite3 object. 
FossilOrigin-Name: 117fa5fbc9bed1a7b982c8ddc21b7e228905ccb4
 2013-09-12 01:33:53 +00:00
mistachkin
61b7060c4f Fix harmless compiler warning. 
FossilOrigin-Name: 2b510614dc6d878bd49eb428f167014f7f2e2568
 2013-09-12 00:54:59 +00:00
mistachkin
36c12888b5 Merge updates from trunk. 
FossilOrigin-Name: fca799f03ad04b7d36381108ff10e9c7d03656ac
 2013-09-12 00:40:54 +00:00
drh
7d9e7d8287 Improvements to likelihood processing so that commuting an unindexed term in 
the WHERE clause does not change the query plan.

FossilOrigin-Name: 6e6bded055cdbc902731687c86d92c39a3ba5904
 2013-09-11 17:39:09 +00:00
drh
89a75397e0 Add test cases to cover TPC-H Q8. 
FossilOrigin-Name: eb5cef8351d12c0f8550dac96ee7a6e495975b5a
 2013-09-11 14:57:11 +00:00
drh
09328c00d6 Additional unlikely() test cases. Logic tweaks to support test coverage. 
FossilOrigin-Name: 5d00cce74a7aefaf30022ae971ab1e0451e0ad6e
 2013-09-11 14:34:58 +00:00
drh
aae0f9e462 Change the name of the two-argument unlikely() function to likelihood(). 
Add test cases.

FossilOrigin-Name: 29a359b8d7f90e6fa2b28ce2a112284fd3870494
 2013-09-11 11:38:58 +00:00
drh
abfa6d52ed Tweaks to the index selection logic. 
FossilOrigin-Name: 52d52688644f635a50a60ff17b160f3affa8fa6c
 2013-09-11 03:53:22 +00:00
drh
36fabb6297 Merge trunk fixes into the unlikely-func branch. 
FossilOrigin-Name: a51d751553b14aa26912c516f60727551deb8e60
 2013-09-10 01:53:18 +00:00
drh
1d2b3c1f8a Deterministically initialize the PRNG used as a tie-breaker in the ANALYZE 
command, so that the analysis is always the same given the same database.
This simplifies testing.

FossilOrigin-Name: 48ed8b565b84c8fa7898c2f9817c01f7e9c9182e
 2013-09-10 01:41:25 +00:00
drh
0259bc3da2 Make sure that the transitive constraint optimization does not cause 
WHERE clause terms to be disabled prematurely.  We are unable to find a test
case that fails because of this, but it seems prudent to make this
preventative change nevertheless.

FossilOrigin-Name: d6e361d7fb8013d616af91ef2c10038c97d1be5f
 2013-09-09 19:37:46 +00:00
drh
add5ce303f Continuing refinements of the logic to take WHERE clause terms not used for 
indexing into account when computing the number of output rows from each
table.

FossilOrigin-Name: b65dc53415f42d8402d0ec7f4bedf59d7b39b486
 2013-09-07 00:29:06 +00:00
drh
fde1e6bc37 Enhance the plan solver to take into account the number of output rows when 
computing the set of paths to retain for the next cycle.

FossilOrigin-Name: 1a46a7242313da96420985fa52e1de3f84533e5b
 2013-09-06 17:45:42 +00:00
drh
cca9f3d291 Initial implementation of the unlikely() SQL function used as a hint to 
the query planner.

FossilOrigin-Name: 036fc37a034093a4c6fc190633bd41c2b7230d77
 2013-09-06 15:23:29 +00:00
drh
d36e104112 Combine the FuncDef.iPrefEnc and FuncDef.flags fields into a single 
new FuncDef.funcFlags field.

FossilOrigin-Name: 97b10e66e98e84755aa577f8da017bf1aea2056c
 2013-09-06 13:10:12 +00:00
drh
0d31dc37ac Make sure the destination WhereLoop is left in a sane state when an 
OOM fault occurs inside of whereLoopXfer().

FossilOrigin-Name: a99a53b81e29c9514b85318bea028d1667e5f760
 2013-09-06 00:40:59 +00:00
dan
8ff2d9561a When preparing an UPDATE statement, avoid generating VDBE code for those foreign key related actions and constraint checks that may be seen to be unnecessary by considering the subset of table columns potentially modified by the UPDATE. 
FossilOrigin-Name: e940b5de49baa1d6a4cf859fbbc0e0df86ac5dbf
 2013-09-05 18:40:29 +00:00
drh
74dade2155 Rearrange the order of conditions in an "if" statement to facilitate testing. 
FossilOrigin-Name: 8462fb43c275a70db59c4339650225deeadeef00
 2013-09-04 18:14:53 +00:00
dan
af0d8bcf4b Add tests to improve coverage when SQLITE_ENABLE_STAT3 is defined. 
FossilOrigin-Name: f929e9b41f2f69b086be3dd48fe557adbba7ae5c
 2013-09-04 16:38:42 +00:00
drh
55a1b30875 Fix a bug in the command-line shell for ".mode insert" on UTF16 databases 
with BLOB values.

FossilOrigin-Name: d8fdc7821808e2bfa048144ee3015b745232dc30
 2013-09-04 16:08:50 +00:00
drh
2b1a64a120 The sqlite3Stat4ProbeSetValue() routine should always return results using 
the database encoding.

FossilOrigin-Name: eb21663271369c3862bc8fd800f76d568c8579fe
 2013-09-04 15:15:10 +00:00
mistachkin
c2cfb51525 Fix out-of-order variable declaration. Fix harmless compiler warning. 
FossilOrigin-Name: 8df95bb0b3f72222cf262174247a467c234f9939
 2013-09-04 04:04:08 +00:00
drh
30f07042df Conditionally exclude code from analyze.c that is not used by STAT3. 
FossilOrigin-Name: a48948a170056dfb87541dd5eb2773094dec6f8a
 2013-09-04 02:07:38 +00:00
drh
fbc38de980 Harden the STAT4 logic in where.c against OOM faults. 
FossilOrigin-Name: 91d2cfbc95c34c0040deb69106bb9f895abb94c0
 2013-09-03 19:26:22 +00:00
dan
b13af4c5dd Fix another problem in stat4 sample selection. 
FossilOrigin-Name: d59f580904e6e7e90fc0a692a3dd4eeff5942479
 2013-09-03 14:43:12 +00:00
drh
67a5ec7b54 Make sure the omit-noop-left-join optimization is not applied if columns 
of the LEFT JOIN are used in the ORDER BY clause.  
Ticket [be84e357c035]

FossilOrigin-Name: 0303d6bc7112e6f810ae1bd75cafc5ffc51f5212
 2013-09-03 14:03:47 +00:00
drh
05db3c7743 Simplify branch coverage testing by interchanging the order of two tests 
in the whereLoopInsert() function.

FossilOrigin-Name: f7079b5365dd6cd8324a4fb23605e81476122ed6
 2013-09-02 20:22:18 +00:00
dan
b49d1047c6 Further stat4 related tests. 
FossilOrigin-Name: 0a702c4b4c35fdbcb62e3ab88b9e57d7ea0052a8
 2013-09-02 18:58:11 +00:00
dan
84f48296fa Add tests to check if ANALYZE is choosing common non-periodic samples for the stat4 table. 
FossilOrigin-Name: 175842997af134138784bff6f8e93573deb5b36b
 2013-09-02 11:52:11 +00:00