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33 Commits

Author SHA1 Message Date
drh
7cd5e856e5 Fix the query flattener optimization so that it preserve the "SF_Compound" 
bit when flattening a compound subquery into a non-compound outer query.
Failure to preserve that bit could allow subsequent flattenings which are
not valid. Fix for ticket [c41afac34f15781fe09cd].

FossilOrigin-Name: 523b42371122d9e1b3185425745f1490138bff7f7cc941ee26ee81df7ade5bf4
 2019-05-29 17:22:38 +00:00
drh
2c5e9b5672 Add test cases for the query flattener fix for 
ticket [2f7170d73bf9abf8].

FossilOrigin-Name: dd8f7f7511639a1baa41a6ff2e359dc6f1e66943
 2015-02-09 16:34:33 +00:00
dan
67c70142d9 Fix a case where SQLite was failing to detect a syntax error in queries like "SELECT ... FROM (<select-1> UNION ALL <select-2>)" when <select-1> and <select-2> return different numbers of result columns. 
FossilOrigin-Name: 200a81358c3117401d2258dd06bb8d2ea4f0ef51
 2012-08-28 14:45:50 +00:00
drh
155640552b Enhance the ANALYZE command so that it gathers statistics in the sqlite_stat1 
table even for tables that are empty or have no indices.

FossilOrigin-Name: a7645d293801da64a7579737d0a8b48117af2e2c
 2010-09-25 22:32:56 +00:00
drh
e2f02bacc1 Increased test coverage. (CVS 6147) 
FossilOrigin-Name: 45bb5703d7ef5e835b43a6fa7ee2a2d96db76939
 2009-01-09 01:12:27 +00:00
drh
7d10d5a6e1 Refactor the name resolution procedures in the code generator. (CVS 5569) 
FossilOrigin-Name: daf730d1defa78fb8b80a78f9108ac35a13e09f6
 2008-08-20 16:35:10 +00:00
drh
e8f52c5089 Remove leftover debugging commands (breakpoint and btree_breakpoint) from 
test scripts. (CVS 5400)

FossilOrigin-Name: dcb160249fa2d592ad09b8b0052102dc44a93511
 2008-07-12 14:52:20 +00:00
drh
741f70633d Improvements to the new performance tests. (CVS 3526) 
FossilOrigin-Name: 27f56c20514030e009fc3aa7e060d2e6276ddb83
 2006-11-30 13:06:00 +00:00
drh
b62c335ed6 Add performance tests to the test suite. (CVS 3516) 
FossilOrigin-Name: 270c745dffad7aa24f8707720b3d68ad7a6b2749
 2006-11-23 09:39:16 +00:00
drh
b9bb7c187e Progress toward CREATE VIRTUAL TABLE. Still not even close to working... (CVS 3211) 
FossilOrigin-Name: 898ec36b4102aaa03979f8f5c510936e57e2ae48
 2006-06-11 23:41:55 +00:00
danielk1977
a1686c9a3b Fixes for OMIT_UTF16 and OMIT_COMPOUND (CVS 2993) 
FossilOrigin-Name: f58bbdc0ac6e618686c598aaafb3a41b972e078e
 2006-01-23 07:52:37 +00:00
drh
fe61378a22 Tests for the subquery flattening fix of check-in (2987). (CVS 2988) 
FossilOrigin-Name: 72a067f0df5818c0fdb3b9f8af20f83bb2e1dd34
 2006-01-22 00:14:39 +00:00
drh
8a51256c0c Create separate affinities for INTEGER and REAL. (CVS 2766) 
FossilOrigin-Name: ce06c123d0c5663dbaf263c2e0aaf5d9cdeb2ccd
 2005-11-14 22:29:05 +00:00
drh
8df447f0e6 Omit the SQLITE_AFF_INTEGER type affinity. All numeric values are now 
of type real, though an integer representation is still sometimes used
internally for efficiency. (CVS 2753)

FossilOrigin-Name: e0d6f61c7de2c03b8fd17ef37cf1a0add36ee618
 2005-11-01 15:48:24 +00:00
drh
5774b80629 More bug fixes. But there are still tests that fail. (CVS 2664) 
FossilOrigin-Name: 7e85a162d0ecf0acdbffcacc62b60d97fe123881
 2005-09-07 22:48:16 +00:00
drh
9170dd7e1c Change the name of the OpenTemp opcode to OpenVirtual which is more 
descriptive of what it does. (CVS 2541)

FossilOrigin-Name: 3bb9ce5f20d0a6bc19df31df9b8e82044c3e6004
 2005-07-08 17:13:46 +00:00
danielk1977
b3bce66232 Modify sub-query handling. Tickets #1083 and #1084. (CVS 2286) 
FossilOrigin-Name: b1b50f315873a8614920d1e3af4a07fb29a7ff6a
 2005-01-29 08:32:43 +00:00
danielk1977
3e8c37e7f8 Modify test scripts to work when SQLITE_OMIT_SUBQUERY (along with other OMIT macros) is defined. (CVS 2251) 
FossilOrigin-Name: bb0254ab14417f0ab40f10f37cb63a60507f070a
 2005-01-21 03:12:14 +00:00
danielk1977
d8702b4d40 Fix a couple of extra test-suite problems with SQLITE_OMIT_VIEW. (CVS 2139) 
FossilOrigin-Name: 894c142d115b31506b6b8212e1b850ea28c4ca11
 2004-11-22 15:05:58 +00:00
danielk1977
27c774388a Ensure tests pass when SQLITE_OMIT_COMPOUND_SELECT is defined. (CVS 2138) 
FossilOrigin-Name: 007be591b7829f9ff38e4b14ba5a5043796c2ff3
 2004-11-22 13:35:41 +00:00
drh
6bf895708c Update tests to work even if some features of the library are disabled. (CVS 2050) 
FossilOrigin-Name: b11fc9b3f3a2711f98e7e45724aa1d30081197f3
 2004-11-03 16:27:01 +00:00
drh
92febd92ad Tcl interface transfers values directly between SQLite and Tcl_Objs, without 
at translation to strings. (CVS 1898)

FossilOrigin-Name: e97c331362545ce21117776c7b61d3488668f2bf
 2004-08-20 18:34:20 +00:00
drh
b733d03749 Add the ability to group FROM terms using parentheses. Names of columns in 
a join no longer include the table name. (CVS 1197)

FossilOrigin-Name: 3626f6d4a1adb4209d5bd9e6477343b52bddbdf2
 2004-01-24 20:18:12 +00:00
drh
e9ffc168d8 Additional tests of the new flattener added. Ticket #272. (CVS 949) 
FossilOrigin-Name: 8d9ee45ab487614191e8d6aef845141fdddf832a
 2003-05-02 16:44:25 +00:00
drh
08192d5f76 Fix for ticket #31: Do not attempt the flattening optimization if the 
subselect does not contain a FROM clause.  Handle the special case where
a WHERE clause is constant. (CVS 548)

FossilOrigin-Name: 24e4cf73d22bb41d26bf3c833f1854a9c90923e8
 2002-04-30 19:20:28 +00:00
drh
1cc3d75f69 Fix a bug in subquery generation when the subquery is a compound select. 
Also added new tests to cover this case. (CVS 435)

FossilOrigin-Name: aaf7fd4cef04d3d70a0444aad1b606bfc663c3e8
 2002-03-23 00:31:29 +00:00
drh
094b2bbfc7 Fix bug in anonymous subquery in a join. Parser requires a semicolon or 
end-of-input before executing. (CVS 429)

FossilOrigin-Name: c0e3f1c592f583a0659901743a368aff1927f1cb
 2002-03-13 18:54:07 +00:00
drh
75148a27b4 Fix a memory leak in expression processing. (CVS 414) 
FossilOrigin-Name: dfe431c9b70bc3a1bf5148826edce0846737e66b
 2002-03-03 03:42:31 +00:00
drh
c0a165b304 Additional tests of flattening (CVS 413) 
FossilOrigin-Name: e1d93c5923195507642d882fff8cd85c454f69ee
 2002-03-03 03:11:15 +00:00
drh
2d0794e325 Suppress superfluous OP_OpenTemps when flattening subqueries. (CVS 412) 
FossilOrigin-Name: 000441c8fec48cc172894eb767ae9549b8ed8c34
 2002-03-03 03:03:52 +00:00
drh
1b2e032999 Bug fixes and additional tests for the subquery flattener. (CVS 411) 
FossilOrigin-Name: 2c05389eda391e38894fc6969e29766df82a8fec
 2002-03-03 02:49:51 +00:00
drh
cf9095061c Additional tests for the sub-query feature. (CVS 375) 
FossilOrigin-Name: a0019fce701fc858134f0a33bda9a511e41a09f8
 2002-02-18 13:35:33 +00:00
drh
d820cb1b75 Test and documentation updates for sub-queries. (CVS 373) 
FossilOrigin-Name: 607c0c49b2098771020514198cb1076de8245a62
 2002-02-18 03:21:45 +00:00