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Author SHA1 Message Date
dan
56e38185fe Fix a buffer overread in fts3 that could occur when decoding a corrupted record. 
FossilOrigin-Name: 9a4a40c45feb2bb89020dc7711b4753479112ceae7ce2a44521d72afeddfac83
 2020-06-12 15:17:27 +00:00
drh
6aa7515c46 Remove a NEVER() that turns out to be reachable. 
FossilOrigin-Name: 44e573ecd5c2b60107133d60c51f3a04a3f904e9c1cf926e9b8ea977c7acae8d
 2020-06-12 00:31:52 +00:00
drh
b5aaee5e31 Add a new assert() to the SELECT processing. 
FossilOrigin-Name: 98cea4a32ba558c137d71a5e373a6803d764d34c5640907371dcf6468ffb2e64
 2020-06-11 16:04:10 +00:00
dan
46daa99b8d Avoid rewriting compound SELECT statements that use a different collation sequence for ORDER BY and record processing a second time if they contain window functions. Fix for [b706351c]. 
FossilOrigin-Name: 32a88bdd4be5acdc1b80856bf6e32724dc3a467d5050bec0fe1a3dfedcc06f34
 2020-06-11 15:53:54 +00:00
drh
9216de8a23 Provide the ability to use the SELECTTRACE() debugging macro outside of the 
select.c source file.  Use this to add a new SELECTTRACE() entry in
window.c for improved tracing of window-function parse-tree rewriting.

FossilOrigin-Name: 30c6d895b573d5f2a53487b3b7a0d20be7e382c7a0bc87336bd43fbd2fa89bf4
 2020-06-11 00:57:09 +00:00
drh
ac4f7cf8d3 Make sure the bbox object is fully initialized in geopoly, even if reading 
a corrupted database.

FossilOrigin-Name: fd5abb1a7b5a55127d5c0d5ff448020d8bccab44e4f5afe1eb88fc19578af735
 2020-06-10 14:30:15 +00:00
dan
f65e379919 Ensure that the "push-down" optimization does not push constraints down into compound queries if any of the component queries uses window functions. 
FossilOrigin-Name: 094dcfe779613301521e8bb990432df187b3686add75a3420b4a193f02f3467f
 2020-06-10 10:58:15 +00:00
drh
7b4c4d4a67 Disable AggInfo consistency checks when unwinding after an OOM. 
FossilOrigin-Name: 65179814aa0ae5927bae97c10ef20f290535399b889d96d5b88931f62635f212
 2020-06-10 03:07:26 +00:00
drh
d124549fce Ensure that aggregate functions that (a) are part of SELECT statements with 
no FROM clause and (b) have one or more scalar sub-selects as arguments are
assigned to the correct aggregate context.
Fix for ticket [7c6d876f84e6e7e2]

FossilOrigin-Name: c29a9e484e1dd245962afbbf511b183462af5e86c511261ccf018345e773f940
 2020-06-09 23:50:13 +00:00
drh
bc050b8f27 Mark an always-true conditional with ALWAYS(). 
FossilOrigin-Name: 35a236841764a10cdcda63f34e1a8e7ffa43933bc89cb32f675454327834d7bf
 2020-06-09 22:11:06 +00:00
dan
ed41a96bc1 Ensure that aggregate functions that (a) are part of SELECT statements with no FROM clause and (b) have one or more scalar sub-selects as arguments are assigned to the correct aggregate context. 
FossilOrigin-Name: 16a41fa8c4c74bba4e908a9c19e6cf5a927cac140e2070c9abf303158be7257b
 2020-06-09 17:45:48 +00:00
dan
cfb8bf6a50 Modify a test file to avoid causing Tcl to allocate too much memory. 
FossilOrigin-Name: 232431f32ef77a9dfc4eeb7765dca24af72051fd5460f648d0c5ba318c8a01fc
 2020-06-09 13:53:56 +00:00
drh
81185a5138 Give the expression pointer fields of AggInfo distinctive names in order to 
simplify tracking of all their uses.

FossilOrigin-Name: a53bdd311c4154fd5e1131efbb9665362f79db5a35ce9f7b1547f74b8ee2d8ba
 2020-06-09 13:38:12 +00:00
drh
e26d428a59 Improved tree-view debugging output for aggregate functions. 
FossilOrigin-Name: b5711b4eead10ef4b0b61f2e2c54768d215a4105f6d47d2ea78991b6e53a6831
 2020-06-09 11:59:15 +00:00
dan
5c10930fa9 Fix a case where a corrupted fts3 record could cause an assert() failure, or spurious SQLITE_NOMEM error in builds with assert() disabled. 
FossilOrigin-Name: d48af4d2cfff3d5f4ccc3db5d658e8b503255b577e6e62b5c2b4a4437875b895
 2020-06-08 14:43:41 +00:00
drh
e6463a717a When an Expr object is changed and that Expr is referenced by an AggInfo, then 
also update the AggInfo.  Also, persist all AggInfo objects until the Parse
object is destroyed.  This is a new fix for ticket [c8d3b9f0a750a529] that
avoids the follow-on problems identified by tickets
[0899cf62f597d7e7], [1f6f353b684fc708], [e5504e987e419fb0], and
[f7d890858f361402].

FossilOrigin-Name: 6e6b3729e0549de028f6c5bf494b2d69d621c81b61a1dc0a329d3950039342fb
 2020-06-08 11:34:40 +00:00
drh
2f82acc036 Fix minor OOM problems. 
FossilOrigin-Name: 8b23d80271aab38abe42ee8b3ca4b746572ecef26c2a37b094b01560e6be9d45
 2020-06-07 22:44:23 +00:00
drh
bf7909734a AggInfo objects might be referenced even after the sqlite3Select() function 
that created them has exited.  So AggInfo cannot be a stack variable.  And it
must not be freed until the Parse object is destroyed.

FossilOrigin-Name: 3c840b4df306e2db1da08673e9ede973b4cb6d2b3f9eeeab5835e39452ee3056
 2020-06-07 20:18:07 +00:00
drh
896366282d Alternative fix to ticket [c8d3b9f0a750a529]: Prior to deleting or modifying 
an Expr not that is referenced by an AggInfo, modify the AggInfo to get its
own copy of the original Expr.

FossilOrigin-Name: 7682d8a768fbccfe0cc956e9f6481637146e1ab9763b248ff11052761ce32e32
 2020-06-07 17:33:18 +00:00
drh
a0365c487c In the debugging treeview output, change the name of "SELECT-expr" expression 
nodes to be "subquery-expr", so as to not confuse them with actual SELECT
nodes.

FossilOrigin-Name: c1c8937a30feff6aa4385b0c264fd8e70d54422a0629c2ce38082d85d3334a57
 2020-06-05 04:01:50 +00:00
drh
c060508445 Always use ?...? to indicate optional arguments in the output of ".help" 
in the CLI.  Change ".mode column" so that it automatically activates
".headers on" if headers have not been previously turned on or off.

FossilOrigin-Name: 2827c0a186596299e43eb3e7378eea462d2b060b2c3388ce5cb2bc8e0b43999e
 2020-06-05 00:54:27 +00:00
drh
0908e38536 Add support for "box" mode in the CLI: Like "table" except that it uses 
unicode box-drawing characters instead of ascii-art.

FossilOrigin-Name: 6da784c9e174744d6deeb76c553b515b96c1fcb80c55a281e476959ec680fb72
 2020-06-04 18:05:39 +00:00
drh
634af38115 Improved display of ".mode table" output for empty result sets. 
FossilOrigin-Name: 7efabd683b79743b407ad71dda56db00fb0d668828bdc342145816b4f1c3bf3a
 2020-06-04 16:54:10 +00:00
dan
b55389412f Use __has_extension(c_atomic) instead of __has_feature(c_atomic) to detect support for atomic load and store operations with clang. 
FossilOrigin-Name: 362255791f8801e0d9869e36239b8b2cb29c38bf0b86894bd2d159ce46d8447e
 2020-06-04 16:34:49 +00:00
dan
ec206a7d34 Use AtomicStore() to set values in the wal-index hash table. 
FossilOrigin-Name: 1ab30c75f2fe14d1ee77d0eace4e29ba8f805d63e2da0897b111ea1311f409aa
 2020-06-04 16:07:51 +00:00
drh
21b473de78 Work around a bug in clang-11.0.0. 
FossilOrigin-Name: 3c2bf8042ec46195c67dfd91df084f5bc19162fd26389920e716b310c80deea6
 2020-06-04 02:50:47 +00:00
drh
a5f3fb3015 Fix for ticket [810dc8038872e212]. Thank to user "Maxulite" for tracking 
down the problem!

FossilOrigin-Name: 89af93d77fa7959a4ee7364bae6c02c40963a3cdf80b0a4a8af9c9764d5c7bb5
 2020-06-03 19:28:10 +00:00
drh
56f1873d10 Simplification to the interrupt handling logic in sqlite3VdbeExec() saves 
a few bytes of code space.

FossilOrigin-Name: 43e0e59bd4e34c6e88c004ea951c0d76ff1cf0a034389f490495a5d12e239382
 2020-06-03 15:59:22 +00:00
drh
094afffaec Improve the query planner so that it is better able to find full 
index scan plan when there is an INDEXED BY clause.

FossilOrigin-Name: d901837fea1ed54de43ad59eb47c02cbfd2eb215fc57317b5ea8c22a7df947c4
 2020-06-03 03:00:09 +00:00
drh
e566cebb26 Draw the dashes below the headers in "explain" mode in the CLI. 
FossilOrigin-Name: c6b7833ac7d9cc75cb45d5e8041367ebd6f197f776766e6143535c227fc72a20
 2020-05-30 15:34:49 +00:00
drh
e557b0155b Improved VDBE comments on the ANALYZE code generator. This change 
also fixes a harmless use of an uninitialized integer variable as an input
to the %d format on a VDBE comment.

FossilOrigin-Name: 1cb248a3fc4c35c5bc3993b554edcccaa5c5e91570af67ebb99643a15221ae33
 2020-05-30 00:30:08 +00:00
mistachkin
375b0b014b Enhancements to the incremental build support for MSVC. 
FossilOrigin-Name: 2e25d915bcb8d6f1747f9befdef64d2e0e495cc6c5948a8eff5d0097b6613d06
 2020-05-29 21:06:52 +00:00
drh
42c2a04eb7 Remove a stray "&" character in the CLI, detected by a clang warning. 
FossilOrigin-Name: 5865d2f2d0333024366ecf1d919535fd4ec05c637feff16d75028ccdc8db4b50
 2020-05-29 20:16:19 +00:00
drh
02c17a4da7 Add the "shelltest" target to the MSVC makefile as well. 
FossilOrigin-Name: 9924c0456bfcd2058c9620a93dfbfd4c7d960c68910ce6aed7364dff42baba5c
 2020-05-29 19:45:03 +00:00
drh
9776784f94 Fix the ".import" command of the CLI to clean up better after errors. 
Add the new "shelltest" makefile target on unix platforms.

FossilOrigin-Name: 50d4ddf1330b88551de51439eb535f385dee6b53013802dd62f832d16b3025b6
 2020-05-29 19:39:35 +00:00
drh
7da29a3ad3 Improvements to help text for the CLI. 
FossilOrigin-Name: 6a01e4c444b072e31a320121a6810d7c986c2c54ce45f9b11683233b1e7af8da
 2020-05-29 19:17:20 +00:00
drh
1d29fd85a3 Fix a memory leak in the CLI when an unknown or unrecognized 
argument is given to the ".dump" command.

FossilOrigin-Name: 71bfbbcc1a8d0e02073a381a5b31a5ccd5477011b22904b9989b6129d81f02e7
 2020-05-29 19:03:03 +00:00
drh
8c748633a9 Improvements to columnar output in the CLI. Columns automatically expand 
to contain the largest row.

FossilOrigin-Name: 4e1db8e9a9ee370a398f13fd8546a520111b8cfb84460389535b5bc5bd9f4f82
 2020-05-29 16:15:58 +00:00
drh
0285d98de7 Space to hold the ".width" of columns in the CLI is now obtained from 
malloc() and hence is not limited in the number of columns supported.

FossilOrigin-Name: 445ed5dab2c26e9f4a7fb5277abdba3359d23cf5318cfd0d8322162d9616ee7a
 2020-05-29 14:38:43 +00:00
drh
d6f252490e Incremental improvements to tabular output modes in the CLI. The 
"markdown" and "table" modes no have headers turned on by default.

FossilOrigin-Name: af28bff91ad7e2d69db0052323c9c05c75a41d4134974bd1305f1c4f579d3558
 2020-05-29 12:31:53 +00:00
dan
d31fcd4751 Expand upon a comment in os_unix.c. No changes to code. 
FossilOrigin-Name: 77933dc4dbe0e0af3b13a14293a8bd684edc5056f4ae9291c6f95d4433bf90ce
 2020-05-29 11:07:20 +00:00
drh
69c093da98 In the json output mode of the CLI, do correct quoting of escape characters. 
Also, show BLOBs as JSON strings, possibly with embedded \u0000 bytes.

FossilOrigin-Name: 0278147a7d2b50bed9f59ed3d3a04ecc6d46f072eb510e463f6707df1d829020
 2020-05-29 00:21:43 +00:00
drh
30c54a01db Progress toward adding new output modes to the CLI: json, table, and 
markdown.

FossilOrigin-Name: 14f55fafec11491e87e6526c72cf85c689d74ba18418a1ae9646586ec206767a
 2020-05-28 23:49:50 +00:00
drh
c683573fd4 Enhance the ".quote" mode in the shell so that it honors .separator. 
FossilOrigin-Name: b5e33ed537e7d7dcabc9f6dc91d6838e0d1657f323440e09e2e24ffa2ba6141a
 2020-05-28 20:37:17 +00:00
drh
56c65c92cb When the sqlite_stat1 data is missing for some indexes of a table but is 
present for the table itself or for other indexes in the same table, then do
not let the estimated number of rows in that table get too small, as
doing so can deceive the query planner into ignoring a perfectly good index.

FossilOrigin-Name: 98d4262018a81a9a36dd8beb4b02ff0e75cdcbb8a121d143157ffb37b228d60d
 2020-05-28 00:45:16 +00:00
drh
b639a2094a Small performance improvement and size reduction in the expression 
code generator.

FossilOrigin-Name: eeb53e219551d8a05a87f1de9a7cd9af295d08a296f1f435a8509ea1252ccdcc
 2020-05-27 12:44:28 +00:00
drh
399062cccb Change a datatype from i16 to int to appease Converity and help eliminate 
a false-positive.

FossilOrigin-Name: 5b560ec49041d89c87ea3315d8fc17f7fb0e03a82091934be7373b290183f82e
 2020-05-27 00:02:07 +00:00
drh
a3d6b8e5a7 Fix the cksumvfs extension so that it will not register itself more than 
once.

FossilOrigin-Name: d5cdd57150db914b61b8b9c61c6caac9690fe7b647ee2c003e75b9b62be62752
 2020-05-26 20:33:18 +00:00
drh
ed505ce3e4 Performance optimization in the transfer of error messages from statements 
to connections.

FossilOrigin-Name: 0e898f4fed1c851cb90f940175110e632a20668a285d39f5f94f7358c3064882
 2020-05-26 20:31:17 +00:00
drh
47937cfd8d Increase the version number to 3.33.0 to begin the next release cycle. 
FossilOrigin-Name: 790badb390d59062cd2d8d1dec76cc6104c9425610a67503f6be38076b6a458e
 2020-05-26 11:23:48 +00:00