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24360 Commits

Author SHA1 Message Date
drh
3e245bcef3 Minor fix to the query invariant testing logic of fuzzcheck. 
FossilOrigin-Name: 447e62a0946f5d77b7358adcabaeb23a7012cdfbfa1ef6082734cd9b45b2699d
 2022-06-16 20:29:36 +00:00
drh
8f9261a8e9 Improvements to query invariants in fuzzcheck. 
FossilOrigin-Name: 3a461f61b47e6ba6d5dcc2b7470ebde512b57bc68086f65050e07b06f42b7351
 2022-06-15 20:18:44 +00:00
drh
e3bf2c8e9b Improvements to query invariant checking in fuzzcheck. 
FossilOrigin-Name: 56c60a35ea457f06db58ec3f694a1ae16fd03e6625da1d7879d63d72bbcb1c62
 2022-06-15 16:26:37 +00:00
drh
dba3a5ab87 When running an incremental vacuum, detect growth in the size of the database 
file (which can only occur if the file is corrupt) and fail with SQLITE_CORRUPT.

FossilOrigin-Name: cd7a44124558ea6a43c89b1cba4402d7bf6a6ccb83be0eeb7dd01b56933bca73
 2022-06-15 14:57:04 +00:00
drh
516c85026b Add the --query-invariants option to fuzzcheck. No changes to the SQLite core. 
FossilOrigin-Name: fef282f9fbb10967102f9676d85b8c6a3b36aff7109f1becdaeaeddef0dff4f1
 2022-06-15 12:50:51 +00:00
drh
10c5341c72 Dbsqlfuzz discovered a case where a bytecode branch is in fact taken, so change 
the designator from VdbeCoverageNeverTaken() to VdbeCoverage().  Test case
in TH3.

FossilOrigin-Name: 988a2a759f2b9da0e287e65306039b7a3e2b5aac3d31fe15cbb30d30ea6caf71
 2022-06-15 12:32:27 +00:00
drh
0c278c3d76 Add the --query-invariants flag to fuzzcheck. The query invariant checks are 
only run if that flag is enabled.

FossilOrigin-Name: d13b4621291831ff33cc4a8d53653eaa3f59fecf2fbc5d404db17e33a914495d
 2022-06-15 10:46:52 +00:00
drh
a913f9b992 Improvements to query invariant testing. Almost working now. 
FossilOrigin-Name: e039820418d64fb57cb1a8f9f21186284e6c76255a53445c5d7aef6cca89bfc4
 2022-06-15 10:37:16 +00:00
drh
27a242c634 Fix the OP_NullRow opcode so that it works even if it applied to an 
ephemeral cursor that has not yet been created.

FossilOrigin-Name: 0e925654c24774933c7738c68f704b229c68e18c8baa45f506b8d6f09164d0d8
 2022-06-14 22:21:23 +00:00
dan
bbf71138cf Add missing SQLITE_FCNTL_SIZE_HINT call to a path taken during transaction rollback. 
FossilOrigin-Name: 6c3266c1b4fc446c7c3a40a8816caf4f9fe0cafe4f27cdafecac61425a17927e
 2022-06-14 21:34:13 +00:00
drh
a1f79dae98 Attempt to enhance fuzzcheck to do some simple invariant testing on queries. 
This is an incremental check-in for a work-in-progress.

FossilOrigin-Name: ce2d780163b3a28486904860a1815acc4169c09b971cfd199bb58d1e9a57b000
 2022-06-14 19:12:25 +00:00
drh
92d1afba9b Do not remove the EP_CanBeNull flag from expressions during a LEFT JOIN 
strength reduction if the query also contains a RIGHT JOIN. Fix for
the problem identified by
[forum/forumpost/b40696f50145d21c|forum post b40696f50145d21c].

FossilOrigin-Name: b1be2259e2e08ec22a88bc9a18b3ab4d83246ad4c635c05cdf80d3eff84df06a
 2022-06-13 12:42:24 +00:00
drh
1cc5c4ac84 The same restrictions on the use of WHERE clause terms to drive indexes 
in the presence of RIGHT JOINs also apply to the use of WHERE clause terms
to manufacture automatic indexes.  This fixes a problem identified by
[forum:/forumpost/51e6959f61|forum post 51e6959f61].

FossilOrigin-Name: 342c501f532523347e6c339351e02043dd6ee9e11a291224b65ea72bd6c2ba40
 2022-06-10 16:41:54 +00:00
stephan
e45b87a9b7 fiddle: minor style tweaks, including using swapped colors for the input/output fields to help (hopefully) reduce the "which field is which?" dissonance. 
FossilOrigin-Name: e25dad868f9ef2c7847319c9f6f106999ba8b0a3e09ed9edfbd25e8fc6f3c10e
 2022-06-10 15:43:03 +00:00
drh
958fcd417c Do not allow constant propagation between WHERE-clause terms and ON-clause terms 
as this can confuse RIGHT JOIN.  Fix for the problem reported by
[forum:/forumpost/8e4c352937e82929|forum post 8e4c352937e82929].

FossilOrigin-Name: cab9b4cccd13bf0ab2bc38dc9a9c04ddd34e29c65ab6aef07b6bb3c31a43bece
 2022-06-10 11:28:52 +00:00
drh
a27e350b6f Fix a faulty assert() statement identified by 
[forum:/forumpost/0b91a75039|forum post 0b91a75039].

FossilOrigin-Name: 1f132bb03a22479ceeca0fd14940e2a1b29ce54b7784d5b0133450056813d877
 2022-06-10 10:10:31 +00:00
stephan
0c2b00b0d6 fiddle: modernized the UI based on related code in fossil's /pikchrshow. Changed the color scheme to match sqlite.org. 
FossilOrigin-Name: c4523ffcc076e9cddba62c3b832f9a04d4f3c5595a312ac74099927aae085a52
 2022-06-10 09:31:12 +00:00
drh
65458dc146 Do not allow the subtype of a value to cross a subquery boundary. This 
fixes the problem identified by
[forum:/forumpost/3d9caa45cbe38c78|forum post 3d9caa45cbe38c78].

FossilOrigin-Name: bbaf1f2eb1e1637b356ed7ab1d1cf5bbc8e1fe3bb2fb46a8f37de091726f38af
 2022-06-09 20:26:06 +00:00
drh
e5dea28482 Prevent subtype values from slipping across a subquery boundry when the 
subquery is implemented as a co-routine.

FossilOrigin-Name: 9e51a6c0fbfb1899b2b01888430125fba6d4da9bad9eeaa3ad41e29fca54bbe5
 2022-06-09 17:17:14 +00:00
drh
8878f8a8d3 The subtype of a value should not propagate across a subquery boundary. 
Proposed fix for the problem reported by
[forum:/forumpost/3d9caa45cbe38c78|forum post 3d9caa45cbe38c78].
Additional works is needed as not all cases are covered.

FossilOrigin-Name: 08af1fe27ebd0edf6e0f1ac477deea033e7f7c813f1016b75196836daf02d2e4
 2022-06-09 16:19:01 +00:00
drh
0483668007 Move an #ifdef in shell.c to avoid a harmless "unused function" 
compiler warning.

FossilOrigin-Name: 5abb5ef500f52c52dac33e54d824cf89481fec1643c27943f34f0ca4560a7e00
 2022-06-08 18:29:23 +00:00
dan
0a841a2b85 Avoid zeroing the value returned by sqlite3_changes() when a DML statement is automatically reprepared in sqlite3_step(). 
FossilOrigin-Name: 09c8f9f1970cd5b369d98a2b38f0b04d44ed095cb0bda80f7968bb6be4e0263b
 2022-06-08 18:20:36 +00:00
drh
8a5469b6f5 Improved comments on the new query flattener restriction of the previous 
check-in.  Also a NEVER() macro on an unreachable branch.

FossilOrigin-Name: 8c9e2d6315fde014bd6e25a7fa58ba054f5328c8a56e9d3d1c2d069c025a1b03
 2022-06-08 17:48:14 +00:00
drh
40357f0d5d Fix the query flattener so that it refuses a flattening that might leave both 
an inner-join and outer-join ON-clause constraint (or equivalent) on the same
term of the FROM clause.

FossilOrigin-Name: f6c4fb48b65c2e8659aa0a1119c330e8bad5e42b2db2030850bfc9c04afef5c8
 2022-06-08 15:38:16 +00:00
drh
5c118e3946 Add restriction (29) to the query flattener - do not allow flattening that 
would leave both EP_InnerON and EP_OuterON constraints on the same join term.

FossilOrigin-Name: c585d6a4678b04f4cedc08852d01c44cdf52ae2c8ccd1174c3d5a395088bf528
 2022-06-08 15:30:39 +00:00
drh
a341bae948 New test cases refute check-in [3f45007d544e5f78]. 
FossilOrigin-Name: 12d3c96c39d12f6b01b77456eb874fff445ebfc60f50aada51b06ed37af364ea
 2022-06-08 13:13:12 +00:00
drh
093dd41e97 Do not allow a partial index scan on the left table of a RIGHT JOIN, because 
since the index is partial, some rows will be omitted from the scan, and
those rows will subsequently be picked up by the no-match logic in the
right-join post-processing loop.
[forum:/forumpost/c4676c4956|forum post c4676c4956].

FossilOrigin-Name: 615c0026119f7870c3b6ef9dcb57ce4ecf5acedea3e2b5cfc25aa450eb8f17a0
 2022-06-08 12:46:58 +00:00
drh
f6bee94e22 Minor fix to test/index9.test so that it can be invoked with other 
index tests using a wildcard.

FossilOrigin-Name: ccbd6e774903f9202f9311954979f6fcc3b13eba1f3402a549a7aee6ed1d55eb
 2022-06-08 12:35:39 +00:00
drh
644817721e Update the routine that determines whether or not a partial index can be used 
so that it is not specific to LEFT JOIN.

FossilOrigin-Name: 5a107fd7fa01554d73fefc0611e5797b8c23e782ce0df3aeba7e2f288675b2ce
 2022-06-08 12:20:49 +00:00
drh
33b2cb9aec Fix the query flattener to deal with a RIGHT JOIN corner case described 
by [forum:/forumpost/323f86cc30|forum post 323f86cc30].

FossilOrigin-Name: 3f45007d544e5f787d5837b4d9f484ba473d69cdba83c229228e9c2f6b972b75
 2022-06-07 13:09:58 +00:00
drh
bb1369037b Test cases for [forum:/forumpost/323f86cc30|forum post 323f86cc30] added 
to join8.test, though commented out so that they do not (yet) run.

FossilOrigin-Name: 7f97cb67d01a11f1b7e5b5f05824f9adbc6e4689d1809d60ceda50a595ba6d4a
 2022-06-07 11:02:43 +00:00
drh
d580bea7d4 Preserve the database encoding on the CAST operator in the 
sqlite3ValueFromExpr() routine.
[forum:/forumpost/800eecf5e6cdc3f4|Forum thread 800eecf5e6cdc3f4].
Test case in TH3.

FossilOrigin-Name: 3f6a442099b8264cc788e8aa2b12cc583439a5263c4fe433fd22b7af1be2458e
 2022-06-07 10:14:22 +00:00
drh
6fdac75127 More precise determination of when a WHERE clause can be used to drive an 
index on an outer join.

FossilOrigin-Name: 318543a91108c6fd0764d7ee7beee49838f54d44c54dae3dc9d4cb8336d52fe1
 2022-06-06 23:22:06 +00:00
drh
16828c8c12 More precise determination of when a WHERE/ON clause term can be used as an 
indexed join constraint.  Testcase macros added to ensure test coverage.

FossilOrigin-Name: f419e98c515e704efa11728192b2594e962cb0e6d2d1837f99a8caf65f4d93cb
 2022-06-06 22:33:44 +00:00
dan
93c4087ffe Extra test cases for outer joins. 
FossilOrigin-Name: c7505765280fb27ec2c8c4da6f87229a4078e3a4a27525226b6bf55864caa04b
 2022-06-06 21:08:27 +00:00
drh
c18fc6134e Do not allow a WHERE clause constraint to be used to drive an index for 
the right operand of a RIGHT JOIN, since this can cause problem if the
constraint implies a not-NULL value for one of the columns for the left
operand of the same join.  See
[forum:/forumpost/206d99a16dd9212f|forum post 206d99a16dd9212f].

FossilOrigin-Name: 4a31b7942a15c9c4363477365784d6d4ac5b1bbe8ff8aeaf2dd3d6532bf8bc96
 2022-06-06 15:27:42 +00:00
larrybr
8a4d2bc34f In CLI, drop .dbinfo command when build options prevent it from working. 
FossilOrigin-Name: 4b50a55165f4603674a250df89cfc5ac1fef8aabaf433df8400df14d53bfbbe0
 2022-06-06 15:22:11 +00:00
larrybr
0dbb3db431 Sync w/trunk, pickup fts3corrupt6.test change. 
FossilOrigin-Name: 268072f636b25c24ec47e34f2a8356f466ec200b80487b1041e89e0ae909c8bd
 2022-06-06 14:00:41 +00:00
stephan
8fca1c7044 fiddle: replaced the huge file selection widget with a smaller proxy button. 
FossilOrigin-Name: f7c17449ea0685e322f50abe7a59b7afcde0f7e38e03645ec5b13753a6d0dcf3
 2022-06-06 06:29:09 +00:00
dan
fd80fa9b6d Fix a test case in fts3corrupt6.test. Was failing due to [f1dfbc4f]. 
FossilOrigin-Name: 04b2e47784238008ce9057e2761ded91d895dc16d3bc8a3a3508df98a4769602
 2022-06-06 06:17:54 +00:00
stephan
626aa48c26 shell: in WASM mode, permit ATTACH because the filesystem is a virtual sandbox and ATTACH can be used to provide more import/export options. Minor doc updates in sqlite3-api.js. 
FossilOrigin-Name: f28de5b726999b913b442fa51355d020ba1f1662d2f7978380623c16438eb238
 2022-06-06 04:09:44 +00:00
larrybr
f3d6e8fd6e In CLI, drop .dbinfo command when build options prevent it from working. 
FossilOrigin-Name: 2512d2f68dfff4d74c881a4102b63ca528e690ad93ab2b4eb1f03ce1d9ac155c
 2022-06-05 22:58:40 +00:00
larrybr
b61c2424d7 Create new branch named "dbinfo-guard" 
FossilOrigin-Name: 8d942ba72ea995d0e8d1f8694bb428e5f919fc75afd3e059a69547e27991d580
 2022-06-05 22:40:49 +00:00
dan
93a4b411ef Fix to test case in fts3corrupt.test. No changes to source code. 
FossilOrigin-Name: d18818afc6021a32989499c26ab38fa442e5a55e662e39bb06e5c0daa9c65e25
 2022-06-03 14:08:40 +00:00
dan
181d75ef9e Fix a 1-byte overread in fts3 that could occur when processing corrupt records. 
FossilOrigin-Name: f1dfbc4f7452154ca5190ac22e17fdabebb92833967b11f7dae21b8d3a5857bd
 2022-06-03 13:52:53 +00:00
dan
410fac35d7 Fix a problem with flattening and window functions causing an "IS <column>" to be transformed to "IS TRUE" or "IS FALSE" when <column> is a view or sub-select expression that is the literal value "TRUE" or "FALSE". 
FossilOrigin-Name: 2a952c7738d94e70024e06600fee8c3a49f317f2d02774468019bd7cf9488c8b
 2022-06-02 16:26:21 +00:00
mistachkin
bf154369e7 Avoid a direct use of abort() in debug builds to prevent a compilation issue for Windows CE. 
FossilOrigin-Name: 8eb9a7dd07afc0aef0b7c67054d73e7e821138867d115407b71c985e90d44d59
 2022-06-02 02:45:59 +00:00
drh
486191603f New test cases for row values and RIGHT JOIN. 
FossilOrigin-Name: 5f0582b90fab9111e4a645c692549c35480e62635c596f8c7fa3466bd22f7235
 2022-06-01 20:08:22 +00:00
drh
f89f4efb28 Ensure that subqueries associated with row-values are invoked before being 
used when processing a RIGHT JOIN.  Fix for the problem described by
[forum:/forumpost/087de2d9ec87305b|forum post 087de2d9ec87305b].

FossilOrigin-Name: 5a9465dcc0c23fc2c66cd4898bcdfd5086fe4c71ec19a95db7221fdf7c0bbbbd
 2022-06-01 16:05:25 +00:00
stephan
4e5aeb54f2 fiddle: added another UI element to the list of those which are disabled during long-running activities. Added DB.close() binding to the Worker-based wasm binding. 
FossilOrigin-Name: 5933163ed1a8f996e81023c7c5822655dc6411d30016f37fe8863f760530dc5b
 2022-06-01 16:04:29 +00:00
drh
a5d06a3d54 Ensure that all necessary row-value subqueries are invoked while running 
the right-join post processing.

FossilOrigin-Name: e4e71b4cd4c026fc36f0da1703e6237e6ddd8ff2e08dc3c0011632b9e63098cd
 2022-06-01 15:53:11 +00:00
stephan
23aa8ff4de Minor tweaks to, and consolidation of, the wasm-related build flags. 
FossilOrigin-Name: f0ad6b1b324f9c0f4340f6cf9584884d1206b56fe1010db43bcbef324e713ea3
 2022-06-01 14:52:23 +00:00
dan
f74f4ed5b5 Fix a minor problem in the Tcl "incrblob" command. This does not affect the SQLite core. 
FossilOrigin-Name: e96feccc21d9b858f076960e029b615809243d0cc3f95db75180feb01887451f
 2022-06-01 14:32:05 +00:00
drh
0f4b534b60 Candidate fix for the problem with row-value WHERE clause constraints on 
a RIGHT JOIN.

FossilOrigin-Name: fdd782a7bb217e2aceda97a588c0d7874ee19885abfcf0658472d6c3387da6ee
 2022-06-01 13:32:47 +00:00
drh
6d013d890e Only include the code for sqlite_offset() if compiled with 
-DSQLITE_ENABLE_OFFSET_SQL_FUNC.

FossilOrigin-Name: 382cd7e10b2df4216da8f25b55546bc74a963d9834af240f75ec8b8321ba106e
 2022-06-01 13:32:05 +00:00
drh
1324b2830e Fix a typo in a comment in a test case. No changes to code. 
FossilOrigin-Name: 570efa45dd4c6848dcbd550f78fcaa00b6d84dcffe0a2d12e65ea8ee4468c0e8
 2022-06-01 13:01:57 +00:00
drh
0286cdbca6 Additional enhancements to the test cases. 
FossilOrigin-Name: 55cfad74cace74e541b354228e3ad46e17028213a9f639edf2007c6a8f3ba8fc
 2022-06-01 11:58:11 +00:00
drh
47b4969e2d Fix test cases in the previous check-in to make them postgres-compatible. 
FossilOrigin-Name: f223ba72b6e02a7ccfd894b4b135f4609b1eb79f547ec279b1c52a6996cd5a73
 2022-06-01 11:46:39 +00:00
drh
36c19f7799 Test case for [forum:/forumpost/087de2d9ec|forum post 087de2d9ec] showing 
a problem when a row-value constraint is used with RIGHT JOIN.

FossilOrigin-Name: d1e3e0d26e302587a6cfcb7aa4fcdefe2b3891037732a0df0d0fe10a14454e00
 2022-06-01 11:43:57 +00:00
stephan
ea7a4e4fb3 The Worker-specific variants of the most significant DB-class JS bindings are implemented, most notably various uses of DB.exec(). 
FossilOrigin-Name: 371d6f7497016ca9bf82c8524b4d701ddf1e614b3fb4e69ff63935da0d51ed05
 2022-06-01 11:20:07 +00:00
drh
645682a7c7 Move the sqlite_offset() function implementation to be an in-line function, 
thereby avoiding special case code and freeing up a bit in the
FuncDef.flags field.

FossilOrigin-Name: 1c9812c458bd229c862efe5df1b64fae333da9871c8756b5ae4605a81bcda4b5
 2022-06-01 11:05:59 +00:00
stephan
6ffa895884 Initial proof of concept code for a JavaScript binding which runs in the main window thread but acts on a db handle running in a Worker thread. Expanded the DB.exec() and DB() constructor to simplify certain use cases. 
FossilOrigin-Name: d9efe3e92d1c95aee6f5ae37a8ba28d8cf4891d746744ce4aa2464f766821a0b
 2022-06-01 08:09:06 +00:00
stephan
bff17db433 Initial bits for a JS API variant in which the client operates in the main thread and sqlite3 in a Worker. This is far from complete. 
FossilOrigin-Name: f6d6f969791f0d2367ae5418623b4794f6df657d9d7d9002fb5aec4206dcfd4c
 2022-06-01 00:00:59 +00:00
drh
c7fc08f69a New FULL JOIN test cases. No changes to code. 
FossilOrigin-Name: 13e89ef6649475815d3f4e4aef73a4be1157dd388e55c7f856faeb4b7387774b
 2022-05-31 18:18:09 +00:00
drh
aa03c69591 More JOIN test cases inspired by the problem fixed in [3869fd9a2b9483cb]. 
FossilOrigin-Name: f2d224c5fa06de70f6f22e159a3b7065d4c6b004f9accc13004b9ac1f2fd5549
 2022-05-31 17:24:56 +00:00
drh
f51672a945 Fix an assert that is incorrect for a corrupt database. 
FossilOrigin-Name: fe0a840805b435efd38a953a8aae60e29a35289f9d9955472a8bab2bce7051c8
 2022-05-31 15:18:55 +00:00
drh
d69820c42b Many new PG-confirmed test cases in joinD.test. 
FossilOrigin-Name: 481e89c764ad8906cd21c8fbe58df57ae40bb3f261fa4892ea7ce7762786ad26
 2022-05-31 14:19:04 +00:00
drh
9f67cc26c1 Restore an ON-clause test case (removed by [3869fd9a2b9483cb]) that turns out 
to be necessary for correct operation.  Fix for
[forum:/forumpost/c2554d560bac97c5|forum post c2554d560bac97c5].

FossilOrigin-Name: f407ec678f5bf5bfd20b7ba596472c9a85e6f21383a4cde49af1dae542fff582
 2022-05-31 11:22:30 +00:00
drh
c9dfe2b808 Add back in a test case for ON-clauses that was removed yesterday by 
[3869fd9a2b9483cbf] but which turned out to be necessary after all.

FossilOrigin-Name: aba52a90eef2a5d06e7c499fe84b2efcde7f01e67129058f8223a6a0272aacb9
 2022-05-31 11:13:55 +00:00
drh
b1f08bc690 Add test cases for 
[forum:/forumpost/c2554d560bac97c5|forum post c2554d560bac97c5].

FossilOrigin-Name: e66d5ae86c09cbe581b8f4f1bff33376cc680bba3da24f85384dd6c3eb85ddcf
 2022-05-31 10:48:02 +00:00
stephan
5fd9f03291 Updated the wasm builds to generate gzip'ed copies of relevant files to take advantage of althttpd's new capability of substituting gzip files in place of requested files. This cuts over-the-wire size of the fiddle app by more than half. 
FossilOrigin-Name: 40925585f1dab25babac46a0f4b9d633315110b8d4ccb04cc6df115d167e5ab4
 2022-05-31 02:03:29 +00:00
drh
404bf6bac6 For an outer join, then ON-clause constraints need to be evaluated at just 
the right moment - not too early and not too late.  Fix for the problem
reported by [forum:/forumpost/3902c7b833|forum post 3902c7b833].

FossilOrigin-Name: 3869fd9a2b9483cbbf83d8f369c1744abc42f12e63abba402be35dd7e136161c
 2022-05-30 17:33:22 +00:00
drh
1943005f62 Apply the UPDATE-FROM file from check-in [98b3816bbaf539ea] to 
update-delete-limit builds.

FossilOrigin-Name: 7e87892c249f023ee9ed1d5f75a9ad8db10fb38f14dd9e6954b12b9b28400b07
 2022-05-28 14:03:23 +00:00
stephan
1a66ff359f fiddle: changed the internal key of the session/local storage to avoid conflicts with the pikchr fiddle app (which is derived from this one) when running from the same HTTP origin as an instance of that app in a dev environment. 
FossilOrigin-Name: fd668da5ccf037c2ad8e61e381dd1eb398a8deab42a00593e551c30bd176890d
 2022-05-28 11:59:46 +00:00
stephan
e9ab04a446 fiddle: corrected a piece of far-corner-case error handling and made the various checkbox config options persistent. 
FossilOrigin-Name: 2ba429a4f8300b981b23d54c2bdb54bd4863522c1c18bf9a67a82e3dce845b10
 2022-05-28 11:29:00 +00:00
drh
5af8a86d62 Mark an always-true conditional as ALWAYS(). 
FossilOrigin-Name: 3492fe8a212cbe02b9016866e2499b99c3b566a4b0bc91fba267e6e1fe1b8943
 2022-05-27 18:06:49 +00:00
drh
abe1ff38dd Minor simplification to ALTER TABLE logic. 
FossilOrigin-Name: 01beb0365c529481605f1864b1b6760e2484fad08d56a72e00e34acff37e23f8
 2022-05-27 17:36:21 +00:00
stephan
23b34bbc25 Corrected a broken HTML comment (was using a C-style comment closer). 
FossilOrigin-Name: db742e3e7d1caeff8d9df1d86abf54fcb2f2263db7a433ffacf3cd3777e533c5
 2022-05-27 17:13:56 +00:00
dan
ca29bbce2f Fix another problem with ALTER TABLE and UPDATE...FROM in triggers. 
FossilOrigin-Name: 33cf12235e6469ba17cfb72cef0e480dfd0dea81ed412fb1fb24b05dbeb8dc02
 2022-05-27 15:33:51 +00:00
dan
4209d553e7 Fix further issues with ALTER TABLE and triggers that contain UPDATE..FROM statements. 
FossilOrigin-Name: 53fbc269ddbabc4a97d297e881e5f9cd2bfbcd24af4af1b7cf9db412a3a51813
 2022-05-27 15:04:43 +00:00
drh
8d2f661ab8 Omit an unnecessary branch. 
FossilOrigin-Name: f56473f9cc1b476b3219fe5b70ba2e4b269b20c880b99ba34c744ed893042081
 2022-05-27 14:41:48 +00:00
stephan
cd69784646 fiddle: added an option to completely wipe/reset the db. The Options area can now be toggled on/off via tapping the label at its top. Running the input SQL is now limited to the selected area if any text is currently selected, per suggestion in the forum. 
FossilOrigin-Name: d100283e378f2d8e353399848184a4ab8ccf6316218fffc28b90a656cf81c279
 2022-05-27 03:27:10 +00:00
dan
b8bbe3e2db Fix issues with ALTER TABLE and triggers containing "UPDATE...FROM" statements. 
FossilOrigin-Name: 2fba0d41b781d226915fa2bf888a7bc640c046ce22670ceb53f62a09f3975259
 2022-05-26 19:10:11 +00:00
drh
26c4df0fb0 Correct handling of outer joins in the FROM clause of an UPDATE statement 
that occurs inside of a trigger.  Follow-on to [98b3816bbaf539ea].

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 2022-05-26 17:33:42 +00:00
drh
e91bde4655 Clarification of the meaning of the N parameter in sqlite3_db_name(). 
Documentation only.  No changes to code.

FossilOrigin-Name: f22f41d2c8a676b9a339e7f00c29c163bbb7079b1a4a76ee1a6a96aaf7de5f9e
 2022-05-26 14:46:09 +00:00
stephan
78907bba3e Fixed a minor cut/paste mistake in the previous checkin. Affects only internal docs. 
FossilOrigin-Name: 37e3764839b968456f576fad67d3d99007773f5c0689165ecbdc610fcabef1ca
 2022-05-26 05:18:33 +00:00
stephan
c121e087f3 Makefile.in: added explanations, intended for maintainers and hackers, of the various emcc flags used for building the wasm files. No code or build rule changes. 
FossilOrigin-Name: 1a159159094d6357b3cadbb8e5499cec4de35ef382c03fcc45c11daee906c3d6
 2022-05-26 05:08:25 +00:00
drh
724e298e9c Slight increase in the accuracy of log10(). 
FossilOrigin-Name: c48a735bd4a1dbd541aed5937c25fc0c606c4263d8ee94cae30a06b1a7b26d9a
 2022-05-25 13:10:29 +00:00
drh
7bfbd2508c Do not allow the right operand of a RIGHT JOIN to be reordered with other 
FROM clause terms that are even further to the right.  Fix for the issue
identified by [forum:/forumpost/5cfe08eed6|forum post 5cfe08eed6].

FossilOrigin-Name: 4be0c60e38edc5d5bfd72bb35a3c91c55240b4e6313a40614beb60f1ab9d9f4c
 2022-05-25 12:49:59 +00:00
drh
361e0ede47 Add in a VdbeCoverage() macro accidentally omitted from [d64ae49a1f251317]. 
FossilOrigin-Name: 18b5cea0392a28f694b8931a80e93518f8d3d297d787fa44d1544e373f76838e
 2022-05-25 11:17:13 +00:00
drh
ddcdf0b0dd Fix the UPDATE-FROM logic so that it works the same as PostgreSQL when the 
FROM clause contains an outer join.

FossilOrigin-Name: 98b3816bbaf539ea745456e1c0064e47d2903d33ee0ceb029bdb97d56fcde937
 2022-05-25 11:09:07 +00:00
stephan
26542e722b Got the sqlite3-api JS bits wrapped up in deferred-load module. Whether that's going to be easier to use, in practice, remains to be seen. Consolidated two of the test-related JS files. 
FossilOrigin-Name: dd83cc05f2522d221641807dd66b33df48ac9264f27e5b6f63f312084f109801
 2022-05-25 08:51:07 +00:00
stephan
e599cc427f Renamed EXPORTED_FUNCTIONS.sqlite3 to EXPORTED_FUNCTIONS.sqlite3-api to avoid any potential confusion about that file (not) being an sqlite3 database. 
FossilOrigin-Name: 3d6245c6f9f2ef4ca6746639d300cc5795598b119034439dfed671de3da638fb
 2022-05-25 04:38:35 +00:00
stephan
085c5c6b43 Add the ability to import/export db files into/from fiddle. 
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 2022-05-25 04:35:22 +00:00
stephan
d0b22b81c8 Further minor cleanups and docs in the fiddle app and worker. 
FossilOrigin-Name: 199e01799dfa48e3fddafb7f2ae5360604150a44186d5c5a977e158ad8e7e657
 2022-05-25 04:20:08 +00:00
stephan
79669c25c4 fiddle: refactored so that it no longer exposes any global symbols. Doing so with the main sqlite3.api module will be much tricker. 
FossilOrigin-Name: cd227be805d0cd4b6e3c72ed0992ad3aec3db9c366909d9d82c6d3a29009c6eb
 2022-05-25 03:08:22 +00:00
drh
fb98dac04f An attempt to get UPDATE FROM working when the FROM clause contains a 
RIGHT or FULL JOIN.

FossilOrigin-Name: a124e4f96f883d8682ba7a253d33a9565ed0fc3580525225b95733bd3782a806
 2022-05-25 02:32:11 +00:00
stephan
80bf86967f fiddle: added support for exporting (downloading) the current db file. To do this we had to fall back to named dbs, instead of defaulting to an in-memory one, but the virtual filesystem is an in-memory FS, so the end effect is the same. 
FossilOrigin-Name: 7c7fd34c8a05832a3973aaffe696250cb4d2a0b1646c9bfbe83970daf33cd817
 2022-05-24 22:16:12 +00:00
stephan
de1e02ee52 fiddle: initial work on loading a client-side db file. Works but requires some cleanup. Export is not yet implemented. 
FossilOrigin-Name: 0fa8378c006fcf2311772d36cf2e3c2cd8e8648f671de89ee9832e2e1a06ef49
 2022-05-24 19:01:21 +00:00
drh
6af03b469e When an ON clause on an INNER JOIN references a table to the right of 
of the join, just convert the ON clause to an ordinary WHERE clause term,
in order to be compatible with older versions of SQLite.  See
[forum:/forumpost/687b0bf563a1d4f1|forum thread 687b0bf563a1d4f1] for details.

FossilOrigin-Name: 2b6ebba26d936ae7b9acf7d4bd15e82cbfabda22e1044b3dd838c7b07095100e
 2022-05-24 16:05:41 +00:00