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31 Commits

Author SHA1 Message Date
drh
8210233c7b Revise tests cases to align with the new EXPLAIN QUERY PLAN output. 
FossilOrigin-Name: 50fbd532602d2c316813046ed6be8be2991c281eb5f295c4c28520a0de73862c
 2021-03-20 15:11:29 +00:00
drh
340fd0bc23 Dbsqlfuzz found a new way to make that branch in codeVectorCompare 
reachable.

FossilOrigin-Name: 959272c27555e39f180d46257afe45d41da1f5df38ea269196c06741ff6a278e
 2021-03-19 16:29:40 +00:00
drh
78197e0f8b Fix an assert() that might be off-by-one in the case of a prior 
errors in the parse.

FossilOrigin-Name: 06b15b17be38c804dd2641d8616a2a7bd396d2eb9901a0fbf94edd8bd508cf9c
 2021-02-03 12:35:51 +00:00
drh
70d6b8327a Back out the NEVER() from check-in [40d10e7aad5b8992] because it is reachable 
after all. Ticket [892575cdba4e1e36]

FossilOrigin-Name: f481636f1a0333c6e98906e5d4433bf1d046380bc29c760e8e7e2c2b3530b956
 2019-12-30 23:50:19 +00:00
drh
6c68d7592f Fix a false-postive in the sqlite3ExprImpliesNonNullRow() decision routine, 
that resulted in an incorrect LEFT JOIN strength reduction when the
WHERE clause contained a row-value comparison.
Ticket [02aa2bd02f97d0f2]

FossilOrigin-Name: ea20068e6d97c9349ebcc7d0a01e99ebf08c6f44363f71a0218a1abea209adc5
 2019-11-04 02:05:52 +00:00
drh
269d322de2 When a vector comparison appears in the WHERE clause and the constraint side 
has a COLLATE clause on the first term of the vector, be sure to honor that
COLLATE clause.  Ticket [135c9da7513e5a97].

FossilOrigin-Name: 978b2d20cf95d0b7143e3104ce1e9d5c85002867b554dc6b21deb528b730bbc7
 2019-10-23 18:09:39 +00:00
drh
db36e255d5 Disqualify row-value comparisons for use by an index if the right-hand side 
has an affinity that does not match the index.
Fix for ticket [6ef984af8972c2eb]

FossilOrigin-Name: 5c118617cf08e17a6edfdfba86e3fc49132a780990b68b52724c2aaeac85f506
 2019-10-22 19:51:29 +00:00
drh
98c94e60d0 Previous check-in to fix [b47e3627ecaadbde] was incomplete. This check-in 
completes the fix and adds a test cases.

FossilOrigin-Name: c7da1c01f1f239e68c2173ac5748b8c5798271e43bdcee68f51f97cd0ca92bd5
 2019-10-22 11:29:22 +00:00
drh
cb99c57a66 Allow the RHS of a row-value IN operator to use a compound query with 
an ORDER BY clause.

FossilOrigin-Name: eaf15d9bae6773058341d6219241f44ce728ad1cb9cf649f2efd4dddd81ec461
 2019-08-09 20:26:01 +00:00
drh
c6e519f335 Fix a assert() in the query planner that can arise when doing row-value 
operations on a PRIMARY KEY that contains duplicate columns.
Ticket [1a84668dcfdebaf12415d].

FossilOrigin-Name: dcb8c73594ea6b12bad98dc883a585d3e6b925c2ead267dc40332b3d266db5e8
 2018-11-03 13:11:24 +00:00
drh
b3f0276b9e Fix test cases so that they work with the new EXPLAIN QUERY PLAN output 
format.  Only some of the cases have been fixed.  This is an incremental
check-in.

FossilOrigin-Name: 5f0e803e33aa557865d5fc830d9202d628de9a94c9757058ca48f1a560702cd3
 2018-05-02 18:00:17 +00:00
drh
e28eb64d09 Fix a memory leak in the processing of nested row values. This problem has 
existed every since row values support was added (version 3.15.0, 2016-10-14)
but was only just now detected by OSSFuzz.

FossilOrigin-Name: 2df6bbf1b8ca881c8a465d6624de66fde4c5975ccae6b2f2dda392b137f577de
 2018-02-18 17:50:03 +00:00
drh
a9abfb1e6c Improved test cases for the [f484b65f3d6230593c34f] bug. 
FossilOrigin-Name: 1f300514e6cdd32c755dc1b05dfa125b10eda2eb55a1024b66f66dbf5cf96289
 2018-02-13 19:13:05 +00:00
drh
4d1c6845ff Fix an incorrect table lookup used to find the appropriate search operator 
for a WHERE clause on a row-value inequality.  The incorrect table lookup
was causing an incorrect answer for the less-than operator.
Fix for ticket [f484b65f3d6230593c34f11]

FossilOrigin-Name: f3112e67cdb27c1aec8d2cee3cb91ade061d093e13505894698e26336898b336
 2018-02-13 18:48:08 +00:00
dan
a916b57013 Fix a bug causing spurious "sub-select returns N columns expected 1" errors 
in join queries with a term like "(a, b) IN (SELECT ...)" in the WHERE clause.

FossilOrigin-Name: 14dfd96f9bca2df5033b2d894bf63cc8bf450a45ca11df5e3bbb814fdf96b656
 2018-01-23 16:38:57 +00:00
dan
f299edb0b0 Add test cases for the fix in [f12ed3ce]. No problems discovered. 
FossilOrigin-Name: 548532fdcf84d565c17aed79a6b595e8b62a3ab4
 2017-01-03 08:11:24 +00:00
drh
90a7eae84c Test cases for the row-value UPDATE TRIGGER fix. 
FossilOrigin-Name: b9b964373c89a491649f366ad7d70ae4d69b891d
 2017-01-02 23:43:03 +00:00
drh
245ce62ea2 Detect row-value comparison size mismatches even when the size of one 
operand is obscured by an unexpanded subquery.

FossilOrigin-Name: 2c4d167ccd4be591487f404de9ee629fd484c8bf
 2017-01-01 12:44:07 +00:00
drh
e0a04a36a6 All temp.sqlite_master to be used as an alias for sqlite_temp_master. 
FossilOrigin-Name: 8d646905b830d5bb29092e103ac5cb499b3c7e5a
 2016-12-16 01:00:21 +00:00
dan
44c5604ced Prevent the flattening or where-term push-down optimizations from obscuring 
misuses of SQL row values that can lead to crashes or assert() failures.

FossilOrigin-Name: 433d16ff3adfede3be53d5b0e0512f37e225591b
 2016-12-07 15:38:37 +00:00
dan
4b72524072 Code constant vector components outside of any loops in CASE and BETWEEN 
expressions. Fix for [1a684656].

FossilOrigin-Name: c08aff13ead3e6a8b92c0f031b08f7e556922e70
 2016-11-23 19:31:18 +00:00
dan
3bafdede8a Handle some obscure "row value misused" cases that could cause segfaults or 
assertion failures.

FossilOrigin-Name: fba5fddb1c40af75634b01c1f06d2610df697e01
 2016-11-11 15:49:01 +00:00
drh
c52496f57f Make sure left-join markings are transferred to the virtual scalar 
subexpressions when decomposing a vector comparison in the ON clause of
a LEFT JOIN.
Fix for ticket [fef4bb4bd9185ec8f].

FossilOrigin-Name: 619f5cc71774a37648e185c8502d7af14eb09b7f
 2016-10-27 01:02:20 +00:00
drh
b29e60c448 Catch vector size mismatch problems during name resolution to avoid later 
problems.

FossilOrigin-Name: 56562a0346170cf7b72445976864b058437a8ac3
 2016-09-05 12:02:34 +00:00
dan
7887d7f24d Fix a buffer overrun in the code for handling IN(...) operators when the LHS of the operator contains indexed columns or expressions. 
FossilOrigin-Name: f41a0391b732a8c4ad188163f34a0f4a22237bb5
 2016-08-24 12:22:17 +00:00
drh
e835bc1285 Simplify the row value misuse error message. 
FossilOrigin-Name: 838c50a5bf46fd0340839d577fa28ba02b4f2034
 2016-08-23 19:02:55 +00:00
dan
553168c706 Fix a problem with vector range constraints involving the rowid column. And other issues. 
FossilOrigin-Name: 3ef75d45ebcd8ede91596d69e55fe7d685008a60
 2016-08-01 20:14:31 +00:00
dan
870a0705fe Fix a problem with IN(...) constraints where the LHS is a sub-select that is an aggregate query. 
FossilOrigin-Name: 1f4dba87da4a44ad26223ad965731164c0d9bad9
 2016-08-01 16:37:43 +00:00
dan
5c288b929a Fix problems with vector == comparisons and NULL values. 
FossilOrigin-Name: 059d0d05354e6efab7892c97b339ffa0b5303587
 2016-07-30 21:02:33 +00:00
dan
19ff12dd76 Fix some issues with vector range constraints and the column cache. Also vector range constraints and rowid columns. 
FossilOrigin-Name: 42607366bfc2dceb1013797a973b3b8df75dcb4d
 2016-07-29 20:58:19 +00:00
dan
71c57db099 Add some support for using row value constructors in certain parts of SQL expressions. There are many bugs on this branch. 
FossilOrigin-Name: b2204215b231202aef7a218411cc2ddaecf28f35
 2016-07-09 20:23:55 +00:00