7555581fc1
Add a single testcase() macro to the subquery processing logic.
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FossilOrigin-Name: 4e1df76e3d85922648e0e1cce73a266c3b1ed4511ace259ec0a01d7693af9e6f
2017-04-29 19:29:49 +00:00
bb6783b86f
Improvements to opcode documentation in the bytecode engine.
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No changes to code.
FossilOrigin-Name: e54c9f8db5b2fa8ea82c6eab7482255431af16901f7992c9667b56a0e50a9f4f
2017-04-29 18:02:49 +00:00
bc43995f99
Evaluate WHERE clause terms that reference only the index before evaluating
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terms that require the table, and thereby avoid seeking the table row if
index terms are false.
This is called the "push-down" optimization in the MySQL world, we are told.
FossilOrigin-Name: d7bb79ed3a40419d143fbe35c310e51fe7b384a22f082a61ad788671d2d33ee0
2017-04-29 15:27:04 +00:00
6ab3eb5d0e
Minor size and performance improvements to the push-down optimization.
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FossilOrigin-Name: 91dfb61a1a25763bb0b5c1e353a9d584bc6de3f6eb445f54202ffe7f6fee6e8d
2017-04-29 14:56:55 +00:00
6f654a40e8
Within a loop that uses a non-covering index test, test non-indexed terms that
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can be tested without seeking the main table cursor before those that cannot.
FossilOrigin-Name: afe68f0a8060dc5c92cb1fb32a9f22bd36140cd2c0bb5b6cea853e169c5ed444
2017-04-28 19:59:55 +00:00
4b17369579
Add new test file cachespill.test.
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FossilOrigin-Name: 2d0b64316d66a362f5891ceb71a1fd8e4607732274b09b0a8472b97eef68ebc2
2017-04-26 17:21:33 +00:00
b9e6a73866
Replace <fts5.h> with "fts5.h" in test file fts5_test_tok.c.
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FossilOrigin-Name: 63d9ca5c7392e1efe3330689fe750310a952287e843b3242178724e8561fae0e
2017-04-26 14:34:04 +00:00
69bfa55279
Fix a subtle bug in Lemon discovered and reported on the mailing list
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by Kelvin Sherlock, who also suggested the correct fix.
FossilOrigin-Name: 304689f8acb53d68e1afed6e6c4332e78132e3d57071b8f94df0d13515b3b3d8
2017-04-26 04:32:17 +00:00
a1188d6d93
When building an ephemeral table of integers, do not assume that the table
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does not already contain N if the insert cursor points to N-1. Fix for ticket
[61fe9745].
FossilOrigin-Name: 1c1b0862236f564283be08338790d6494e705f1198547a59499e3f8c07f2cd99
2017-04-24 14:16:55 +00:00
0c3233be0b
Fix an assertion fault found by OSSFuzz.
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FossilOrigin-Name: e39769f442ea86273f8fb7bd2f249b7d760b2fe4bf9ec191ff91def8231f3f35
2017-04-22 00:20:49 +00:00
39c9d3a367
Remove a NEVER macro for a condition that may be true as of [a47efb7c].
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Problem reported by OSSFuzz.
FossilOrigin-Name: bdc50d8d127266d02b291f6bfcd4e35eb07994ce23987d6e3921124cd881929a
2017-04-21 17:03:32 +00:00
0619838c55
Fix an FTS5 bug that could cause a prefix-query without a prefix-index on a
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database that contains delete-markers to return extra, non-matching, rows.
FossilOrigin-Name: 840042cb2bed2924e2263f21887317f661e5a585c4466c3af25b91ed57a6b49b
2017-04-21 16:04:18 +00:00
dc62daca86
Further improvements to coverage of fts3 module.
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FossilOrigin-Name: 6b21d0fdebdccfaf63590d9ca9a279c22b8baec07c1a669b9f617f25bd857384
2017-04-19 13:25:45 +00:00
a059e99ca8
Further modifications and test cases to improve test coverage of fts3.
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FossilOrigin-Name: ea8a0d2ce0cb1ca3f4f18c72fb780d1c26792799acc87e6726f9eaccf2f178bf
2017-04-19 07:33:52 +00:00
0027e98b85
Use sqlite3_table_column_metadata() instead of a SELECT statement to check for
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the existence of a %_stat table in fts3. This leads to smaller and easier to
test code.
FossilOrigin-Name: dc2a48020a3c856a8b4cfa2309c290f0508b991e92cc0e4de680d19aae7872fc
2017-04-18 13:50:00 +00:00
bff6fe1f40
Improved optimizations of views as the right operand of a LEFT JOIN.
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FossilOrigin-Name: 41c27bc0ff1d3135cdb6273ede4595f5bb0c0e1e1d470ea1633cb525674cf431
2017-04-18 11:20:19 +00:00
bda00fbdb7
Refactor the fts3ColumnMethod() function so that all branches can be covered.
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FossilOrigin-Name: e47fdb493bd76d85f6f05771ee7a0b3ee31b1eb05839a60d2bdb47149ac692d8
2017-04-18 05:49:23 +00:00
cfcca02765
Defer checking for null in the comparison operators, since that is an
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uncommon case.
FossilOrigin-Name: 5684525613961fed9db6a4d10dbe25521201b24f08e011df3a20ac895316957d
2017-04-17 23:23:17 +00:00
e2bc6552fe
Do not allow a Mem object to be both NULL and some other type at the same time.
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FossilOrigin-Name: e698db1956bb3aba32cd3ec633ec20f5d19b1a10bc68d3772903bca3c87ee158
2017-04-17 20:50:34 +00:00
4bee5599c0
Consolidate two branches of code in the "PRAGMA foreign_key_check"
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implementation.
FossilOrigin-Name: 69f51f838abcf57b35e41f7a10fbb45f56536f93825aac865debc3c8315930be
2017-04-17 18:42:33 +00:00
940464b1dc
Fix a problem in "PRAGMA foreign_key_check" in handling a WITHOUT ROWID child
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table with an INTEGER PRIMARY KEY parent key. Also, if an FK violation is
detected in a WITHOUT ROWID child table, do not try to read and return the
rowid. The third column returned by "PRAGMA foreign_key_check" in this case
(WITHOUT ROWID child table) is now always set to NULL.
FossilOrigin-Name: 690870bd7b2e607b7992c4496c9f08c29eb72a36af002c606fd7aa3dcf94a2a4
2017-04-17 18:02:41 +00:00
624edacf6a
Further improvements to test coverage in fts3.
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FossilOrigin-Name: 352413eed469802665e7d2c17b7fe6e3a0b0b2209ce45bdc85fd4243cec50ea6
2017-04-17 16:07:25 +00:00
ddf4747053
Improve coverage of code in fts3.
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FossilOrigin-Name: 1a08a836fa919524216a16faf5212eebc9ad788c9e15463b68b0576dfccd4387
2017-04-17 13:38:09 +00:00
6887e8facd
Fix the ".column" output mode in the command-line shell so that it correctly
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counts and formats multi-byte UTF characters.
FossilOrigin-Name: f508aff8d1782abdff4d03726ae098607a0ee6cfd2e35b130097ee5043e98960
2017-04-17 13:18:42 +00:00
b6d5a43b8a
In the showwal command-line tool, for unix builds, if the
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auxiliary argument is of
the form "Ntruncate" where "N" is a frame number, then truncate the WAL
file after the N-th frame.
FossilOrigin-Name: 90015df30655d884ecf7ae61e588824696954252dc6b1a5f78cf2de8cb236104
2017-04-16 22:41:49 +00:00
b65b3e429a
Add the anycollseq.c loadable extension in etc/misc
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FossilOrigin-Name: d7b9813cb17615c3d00afd6994a4309d6d48c8e924b6cd813c543e1fa65c7719
2017-04-16 22:08:31 +00:00
147fd88268
In the skip-ahead-distinct optimization, fix a bug in the logic that determines
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when to invoke the optimization based on sqlite_stat1 statistics.
FossilOrigin-Name: 89f9e4363aa19f306e55f749c442eae2f8994f6a47c65e645a79b308b450d5e5
2017-04-15 11:53:47 +00:00
a2e2d92b21
Fix to the decision logic for when to use the skip-ahead-distinct optimization.
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FossilOrigin-Name: e50fd48969f99bc988389c53ff46714603b1d11de12c71b55c00cbee037f073c
2017-04-14 22:41:27 +00:00
06f60d8e87
Remove end-of-line whitespace from lemon.c.
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FossilOrigin-Name: d78355c85f49e139f1ac1a660563865350f0e442652b7bc50b684398f81cc602
2017-04-14 19:46:12 +00:00
14d8855b8f
Fix some left-over K&R-C constructs in lemon.c. No changes to the core.
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FossilOrigin-Name: a53799059d4ece246610b6c877ab7088ded3548cbca7149a03deea8ac0e27e68
2017-04-14 19:44:15 +00:00
31d6fd5507
Add the TK_IF_NULL_ROW opcode to deal with non-NULL result columns in the
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result set of a view or subquery on the RHS of a LEFT JOIN that gets flattened.
FossilOrigin-Name: 3a5860d86fadcf924316707918bf283d26c53b1473e5e67f5cff59d18c2a7742
2017-04-14 19:03:10 +00:00
1a17b44231
When doing a DISTINCT query using an index, try to use the index to skip ahead
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to the next distinct element, rather than doing a full scan of the index.
(This is the "skip-ahead-distinct" optimization.)
FossilOrigin-Name: f489b5bb6b35665befdd411c2c55df5258e83cba265d8c4427ba22529cf882a4
2017-04-14 17:30:43 +00:00
399c7e21e4
An initial attempt to optimize VIEWs that occur as the right operand of a
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LEFT JOIN. This particular check-in does not work correctly because it does
not deal with the case of columns in the VIEW that return non-NULL even when
all columns in the table of the VIEW are NULL because of the LEFT JOIN.
FossilOrigin-Name: 1838a59c8a1c151bd6fc822b0ffef661803cf0e4704c917e74a04567b81740b9
2017-04-14 17:18:45 +00:00
b1ed717f18
Make USE_FULLWARN=1 the default for MSVC and fix harmless compiler warnings.
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FossilOrigin-Name: 6bf673767b8e5cedef1acff795cbe524fab8db2525c06424db4e038934a33936
2017-04-14 14:50:34 +00:00
d97cda43ab
Enhance the sqlite3TreeView() display for Expr objects so that it shows
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the iRightJoinTable value for Expr nodes that have the EP_FromJoin property.
FossilOrigin-Name: 5159cb8f2bcfb1f7114786ba23082d2b91a26e3a7ddfae75f8bd362792949d5e
2017-04-14 14:02:14 +00:00
46967de2ec
Simplify the interface to the subst() routines that are part of the
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query flattener by collecting common parameters into the SubstContext object
and passing around a pointer to that object.
FossilOrigin-Name: e651074be28b2077b8a298f513e2e699ceca99164ace9869ea50873c0637fd2e
2017-04-14 12:39:37 +00:00
7c88bcd473
Remove an incorrect ALWAYS().
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FossilOrigin-Name: f956f6ae6b0863c70c4a2b227338d5c332e87f2ec6f3fcdf2233c14c5b78ca2b
2017-04-14 12:27:45 +00:00
571311502d
Fix a couple of unreachable branches.
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FossilOrigin-Name: 1aa0ea8db7580aff8bed2f78117ed50019e5545cef48cab782f512a2599fd0c5
2017-04-14 00:45:51 +00:00
172806e489
Fix the skip-ahead-distinct optimization so that it works with indexes that
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have repeated columns with different collating sequences.
FossilOrigin-Name: ce1e2b88777e00a82c04abe5ba35eec81b5f324e462f099cd00b21054f369688
2017-04-13 21:29:02 +00:00
c04ea80f64
Simplification of the skip-ahead-distinct logic. There is still an issue
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with handling COLLATE.
FossilOrigin-Name: 57c5173b6376a76013b0611ce9770100bd8c04e80402e35d821d8614709f4795
2017-04-13 19:48:29 +00:00
a74f5c2923
New test cases and minor fixes for the optimization on this branch.
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FossilOrigin-Name: 70ac9ea1a6cb2f4906f00f1a04f668e5ba5eeed8d4d0fa4be57a9c9eb0683697
2017-04-13 18:33:33 +00:00
d0a537100c
Reinstate the SQLITE_API qualifier on the sqlite3_delete_database() method in
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test_delete.c. Accidentally removed by the previous commit.
FossilOrigin-Name: 59c70108fd179932ccdd860f93e1cd68b77476d3b1af1af00cf6e378c9984862
2017-04-13 15:51:27 +00:00
44ae27ac32
Update the code in test_delete.c to use the "win32" VFS if SQLITE_OS_WIN is
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defined.
FossilOrigin-Name: fa9bb7b768027677f7e7d5a196ba5b245dfc8d8986ccd101c8dab671bd15719d
2017-04-13 15:36:47 +00:00
839fa6d814
Only use the skip-ahead-distinct optimization if the index has been analyzed
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and we know that a skip-head is likely to skip over at least 11 rows. The
magic number 11 was determined by experimentation.
FossilOrigin-Name: 0cf16decd534bf2d66620c293f8c8987f356305f2d97f8fd12d260bda1571385
2017-04-13 13:01:59 +00:00
929b695111
Allow a user column name to be used on the LHS of a MATCH operator in FTS5.
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FossilOrigin-Name: 6f54ffd151b0eca6f9ef57ac54802584a839cfc7373f10c100fc18c855edcc0a
2017-04-13 09:45:21 +00:00
8489bf5aff
Forward port the skip-ahead-distinct branch which was abandoned for some reason
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that I do not recall. This port should have been achived by a merge of trunk
into the previous head of skip-ahead-distinct, but that did not work. So I had
to manually "rebase" the changes.
FossilOrigin-Name: 132339a1fb0b9664df4d3eefbed6e77ef100ba95a91dcc622da7bd3fcdfcd6af
2017-04-13 01:19:30 +00:00
8671538cad
Fix a regression caused by the fix for ticket [6c9b5514077fed34551f98e64c09a1] -
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control characters allowed in JSON.
FossilOrigin-Name: 8e7b611863247a3bf46a96ec4b47d24c0ae0d60c9cee968a1cfd1da157e7c9bb
2017-04-13 00:12:32 +00:00
03155f659f
Update fts5 to support "<colset> : ( <expr> )" for column filtering, as well
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as "<colset> : NEAR(...)" and "<colset> : <phrase>".
FossilOrigin-Name: c847543f8bb1376fef52bca72b4191162a32eb7e6c5f0cd1aa0ab116b3183396
2017-04-12 17:50:12 +00:00
26849e14c2
Improved \n and \r escapes in the ext/misc/dbdump.c utility function. The
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implementation of dbdump.c now matches the implementation in the CLI.
FossilOrigin-Name: f2643315bb41a71eebd79f5d671f9163187e299a52ff8a481186f1e8fa7e5262
2017-04-12 17:38:24 +00:00
15e0f3d901
Avoid updating unaffected indexes on a table as part of an UPDATE that
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requires foreign key processing in some cases.
FossilOrigin-Name: 7aae5c0f99aa2fda85654242cfc9e23a0f981d9ce4ab17610d619cd208540b3d
2017-04-11 20:48:30 +00:00
drh