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Author SHA1 Message Date
dan
bf84515a2b In order to identify the first row of each partition, check if the rowid in the ephemeral table is 1 instead of using a dedicated flag register. 
FossilOrigin-Name: f2d5f7a24c7aa483c579706c5bd7268a74da6d53025d78fa8642908c2aed1707
 2019-03-16 10:15:24 +00:00
dan
c782a81aa5 Implement the EXCLUDE clause for window frames. 
FossilOrigin-Name: 9b43c3ee2e054b05715573f4f3893b84aabc5100832333c9a0f2a1628552a978
 2019-03-15 20:46:19 +00:00
drh
aadf8327be Back out the change to support Fuchsia, since it turns out fuchsia does not 
like dot-file locks.

FossilOrigin-Name: 1d801a3b2c48dc8a918d6da047bc877acf033d5f5c4e1d4b412ba7678ed6f8b3
 2019-03-15 19:08:23 +00:00
dan
25f5383cb8 Remove a debugging printf() left in test/sessionfuzz.c. 
FossilOrigin-Name: 73c4abc90264355f3ea6e8c34e5aad6ed665b70fb136c4d416e2a98e46562bbd
 2019-03-15 18:57:49 +00:00
dan
1f3b284b11 Ensure that ALTER TABLE commands open statement transactions. Fix for [596d059a]. 
FossilOrigin-Name: 0f2129f59f7df929106e2af876c2976dea6528c1dc1850d64cddb256f20e121a
 2019-03-15 16:17:32 +00:00
dan
d35300f9b6 Parse EXCLUDE clauses in window frames. They do not yet work. 
FossilOrigin-Name: d03c7533a1e993f1b12392a5193b2127484307b27072236a1255e7a30849a381
 2019-03-14 20:53:21 +00:00
dan
a0f6b83300 Add things to this branch that will be required to support the EXCLUDE clause. 
FossilOrigin-Name: 7d66cd2013206ebad50c7cdb7dab9211fa8b47f5cb7067dcb314b3e0180875f8
 2019-03-14 16:36:20 +00:00
drh
a49774f478 Technical improvements to the documentation for sqlite3_bind_blob() and 
sqlite3_bind_text().  No changes to code.

FossilOrigin-Name: fb60150aeedc3898cb249c75c98a7cb48fcec090f94ded7896b634e436c7daa5
 2019-03-14 00:01:23 +00:00
drh
2e41b99ea9 Improvements to the sqlite3_db_filename() API documentation. No code changes. 
FossilOrigin-Name: 711f5ec4dc2635e3102a607510cbbe0b468d9f0af935e09d3454e6e925c8dcb2
 2019-03-13 23:51:05 +00:00
dan
db7d895e9d Merge latest trunk changes into this branch. 
FossilOrigin-Name: 0b904517bd6c4c59082381577246d3d2351b4265fc9151438ee4c33cf16f2eb1
 2019-03-13 17:31:20 +00:00
dan
b6f2deac3c Avoid allocating excessive registers for the PARTITION BY expressions when processing window functions. 
FossilOrigin-Name: 180be266238e18c01f8bd52c75dd9aa3e26e553620258141cd95189a0ae59ddb
 2019-03-13 17:20:27 +00:00
dan
b560a7194d Remove rows from the ephemeral table used by window functions once they are no longer required. 
FossilOrigin-Name: 6ad553192051eaa0c6d929baacde2de07b93c6d09de861028bbce55a2c9bfdd3
 2019-03-13 15:29:14 +00:00
drh
b65e801e5f New test cases added to test/fuzzdata8.db 
FossilOrigin-Name: 049e9926202317f58c54b6351ff120fb69bf821f409909b1a1c5e335c0396707
 2019-03-13 13:19:05 +00:00
dan
fcb02429ec When deserializing a database (sqlite3_deserialize()), do not attempt to parse the schema before the data is loaded. 
FossilOrigin-Name: 4e1b005e8b397a22161a6b89cbd3f17bda70a6e0a86d8abdc61856edf2a74da4
 2019-03-13 11:40:30 +00:00
drh
2a934d75d9 Detect zero-length free slots on btree pages and report that as corruption. 
FossilOrigin-Name: c4f0568fde1d4070e7522ec36c0958be7426076002a7fa2da12a46411ab2e92d
 2019-03-13 10:29:16 +00:00
dan
d446165f7d Minor optimization in sqlite3WindowCodeStep(). 
FossilOrigin-Name: b1322ffb6e63a110998068bf4f0a903028bd4fc0464ae1e517d745fb46423f39
 2019-03-13 08:28:51 +00:00
dan
bb40727857 Allow real values to be used in PRECEDING and FOLLOWING expressions for RANGE window frames. 
FossilOrigin-Name: 25ff7091cb12c63b1864ce68a9151f8432af5804b5ae905a2175761ab4b9fdd8
 2019-03-12 18:28:51 +00:00
dan
935d9d8260 Expand on header comment for sqlite3WindowCodeStep(). Further simplify the implementation of the same. 
FossilOrigin-Name: 5129bcc996b3c9f78ab6b674a4364787e7b353b90f15f027cad4431012022c30
 2019-03-12 15:21:51 +00:00
dan
9e24439c2f Fix a crash that could occur if the RHS of an IN expression is a correlated sub-query that refers to the outer query from within a window frame definition only. 
FossilOrigin-Name: 0524aaaf45681437c2dca3d31ff26a65bee7bd2074730277c29136635ee0be0f
 2019-03-12 09:49:10 +00:00
dan
cc7a850f2e Remove "cache mode" from the window frame code generator. Handle the same cases by editing the window frame specification itself. 
FossilOrigin-Name: 081263538332bb9c07e62630629007ccbba31bef5dc890f60b4ba58a355f70ac
 2019-03-11 19:50:54 +00:00
dan
a786e453a4 Simplify the windows frame code some. Add a comment explaining some of the VM code generated by sqlite3WindowCodeStep(). 
FossilOrigin-Name: 6bd1a07949ff3d394056bfcc813444401ef00806e3f0e0423ff6962541e84bdb
 2019-03-11 18:17:04 +00:00
dan
71fddaf195 Fix problems with "RANGE ... ORDER BY <expr> DESC" window frames. 
FossilOrigin-Name: e7bced731aa071c95bc398cdecd53c939841bf0c52fbcd06e47ba68f8c5cc35a
 2019-03-11 11:12:34 +00:00
dan
72b9fdcf20 Add support for RANGE window frames. Some cases still do not work. 
FossilOrigin-Name: ffc32b246d92d53c66094afe11950b53ffab6a1c230c602eebbfedafb2eb57f4
 2019-03-09 20:49:17 +00:00
dan
f7b846e4ed Merge latest trunk changes into this branch. 
FossilOrigin-Name: 53ea550ce759ae4683bcf0ae3af655bfe04f85db70f74edee6bcab56d83bb041
 2019-03-09 07:38:16 +00:00
dan
0d86a9bd54 Add simple tests for GROUPS window frames. 
FossilOrigin-Name: 2872702dacadad11f4fd7c437b77ef82763e840c9c92eefe87eac2491c38f963
 2019-03-08 20:57:05 +00:00
drh
37f6ffb887 Fix a harmless bug in the Makefile. 
FossilOrigin-Name: 62ac9cb07f5f2d14e716cd0f99f3f2fd34f6c9b4303619be8dfbca2eecf5b727
 2019-03-08 20:26:12 +00:00
dan
6c75b39614 Finish consolidation of window frame code. Add untested support for GROUPS frames. 
FossilOrigin-Name: 954bf369935083c188c3b14e77ed89fc5ec4323cc5b0c67e4a2e48fcc278df45
 2019-03-08 20:02:52 +00:00
drh
bcf1f41a62 Add new test cases in test/fuzzdata8.db 
FossilOrigin-Name: 97bdc090f30610cc5dd29101452d1647550387f9c6f742e50f1e07c3cf68a147
 2019-03-08 14:07:15 +00:00
drh
4b986b2a47 Patch makes balance_nonroot() slightly smaller and faster and more robust 
against corrupt databases.

FossilOrigin-Name: 174da3c32c9caebd642c31cb594597ccd5bb2a7fc501b1f49aef0b7b4765bfca
 2019-03-08 14:02:11 +00:00
dan
66b8457c7c Fix another segfault in fts3 that could occur with corrupt records. 
FossilOrigin-Name: fcc24edde471c2214add2dbc3a27da8890a7148105c5ffa024faf72457964a5f
 2019-03-08 13:27:27 +00:00
drh
9a518843f5 Detect an attempt to drop a btree that is not within the bounds of the 
database file and abort early with an SQLITE_CORRUPT error, to avoid
problems later on in the process.

FossilOrigin-Name: 235a9698f5e9b3c21dc51c9c5042becfb82fc1762a7519a46b9f9fdafe9b0f13
 2019-03-08 01:52:30 +00:00
dan
54975cdff9 Fix other "ROWS BETWEEN" cases on this branch. 
FossilOrigin-Name: a5f68f66472610b5beb4fe28669fbbfe83a32742be73cecad9b2ae28f8a17b30
 2019-03-07 20:47:46 +00:00
dan
c813750b7b Modify new window functions function so that cursors are stepped immediately after each operation, instead of immediately before. 
FossilOrigin-Name: 093d2b25f1b656bba57d665aac68109436861b157a5769432b612176dae3f6eb
 2019-03-07 19:26:17 +00:00
dan
00267b8a7b Simplify the window function code generator some more. 
FossilOrigin-Name: 45cbd3b4498cea8856f189e9d0a192556d4f15212055b8328a1beca6083fc47a
 2019-03-06 21:04:11 +00:00
dan
b33487b0b6 Improvements to the way built-in window functions are handled. 
FossilOrigin-Name: e8eee566dfca6f4c8af074731dfe91f7fbcd9ca72f0303235b52e4e2e80d5b71
 2019-03-06 17:12:32 +00:00
drh
39c5c4ae06 Add the sqlite3_stmt_isexplain() interface. 
FossilOrigin-Name: ee642d3e2775ba4c73627ac71d0abf7a0f7a4ab3151d88e0076e9992f4814983
 2019-03-06 14:53:27 +00:00
drh
aff0fd483c Add an "|| CORRUPT_DB" term to an assert() that might be false if the database 
is corrupt.  Also add a branch to have sqlite3PagerMovepage() return
SQLITE_CORRUPT in that case.

FossilOrigin-Name: b0d5cf40bba34e459caa7480bc84a1d75496c2ab52029f4bb0a31f2d9369a8ee
 2019-03-06 14:08:41 +00:00
drh
aaad696141 Fix a potential 32-bit integer overflow in the "showdb" utility program when 
it is trying to interpret a corrupt database file.

FossilOrigin-Name: 3803e750384ec37091b0a6c350f8ef67720e316fd6f74c95e3c5f231c4a01ceb
 2019-03-05 23:49:17 +00:00
dan
b25a214dec Extend windowCodeStep() to handle any ROWS PRECEDING/FOLLOWING frame specification. 
FossilOrigin-Name: af0ea1363548461b2aad8fd54ee3f2f616111dcae2d6480f5294da44c87a0a5d
 2019-03-05 19:29:36 +00:00
drh
91ed9ce0dd Add a script to tool/ that will extract the sqlite3.h header file from an 
sqlite3.c amalgamation.

FossilOrigin-Name: 38d2e510cdedf38153466b161c0842b1604aef7b5589c51f628ae7cbb6a8722a
 2019-03-05 16:53:16 +00:00
drh
7bf3133fef New dbfuzz2 test cases added to test/fuzzdata7.db 
FossilOrigin-Name: 25975e1fb2be0c011542c0a6b001385cec8113662df93dc618f725f2a4692bc2
 2019-03-05 14:47:53 +00:00
drh
0a31dc201e If the initial byte of a record is a large value, then always used the 
generalized record comparison routine sqlite3VdbeRecordCompare() rather than
one of the specialized versions that are optimized for shorter records.

FossilOrigin-Name: c1ac00706bae45fe9735061ada025880606cdfb8ecfdaa36b4e2d04275820861
 2019-03-05 14:39:00 +00:00
dan
4e72e62f3b Merge trunk changes into this branch. 
FossilOrigin-Name: 9b4d561f68febdab6624d8c567fb4357bf67dda500664cf708d16a76f37b8ec1
 2019-03-04 21:08:53 +00:00
dan
680f6e8e2e Support some "ROWS BETWEEN N PRECEDING AND M FOLLOWING" window functions without caching entire partitions. 
FossilOrigin-Name: e7a91f12282afb5d5d7d78397a11d18e0268ee0c931d85e21fce00d13929494e
 2019-03-04 21:07:11 +00:00
dan
4474e869fe Fix a problem preventing compilation with SQLITE_OMIT_UTF16. 
FossilOrigin-Name: 906d1fd8650874236e0bf5734d5347dcc45ec036164a56570fec37da4ffeaf8f
 2019-03-04 07:15:57 +00:00
drh
75db74fdae Improved comments on the fossildelta.c extension. 
FossilOrigin-Name: d7d23f0450d659b2c7df34e4df8623ca7b6fe3bd19422e3e9234515214ae8510
 2019-03-02 20:09:35 +00:00
drh
e22976c535 Fix the SQLITE_DIRECT_OVERFLOW_READ compile-time option so that it works 
with SQLITE_HAS_CODEC.

FossilOrigin-Name: fd085e9260bec18f968704abb2dd324d954baa121d13b67c3f5b801e9e3834aa
 2019-03-02 15:25:24 +00:00
drh
8f46f34e2d Remove a redundant parameter extraction call from the percentile.c extension. 
FossilOrigin-Name: d49c32e6e7cc341b5961d2c7b7c68d1649c6542eeec201660e3f82a55aea9e3b
 2019-03-02 12:17:35 +00:00
drh
f10c535fa5 The fts3_tokenizer() function returns NULL if the 
SQLITE_DBCONFIG_ENABLE_FTS_TOKENIZER setting is disabled, which is is
by default.

FossilOrigin-Name: f5732f4caf7a37a6445c61ae0d0ac14cc9deb897376e73aa36a1ead025b92c69
 2019-03-01 21:33:29 +00:00
drh
10cc16c954 Fix a minor comment typo. No code changes. 
FossilOrigin-Name: 9a0a93c89d3fdd0f9000a9226388e2e53f299165e043913f40b83bf597bfea04
 2019-03-01 21:12:40 +00:00