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0525b6f47f
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20352 Commits

Author SHA1 Message Date
dan
0525b6f47f Add further tests for new window function functionality. 
FossilOrigin-Name: 1fbddf01b1c3fff95b05e2f2f709754e2b514296060b4846518791e7161d9ddb
 2019-03-18 21:19:40 +00:00
dan
108e6b2c87 Always evaluate window functions using the alternative path usually only used by EXCLUDE frames if the SQLITE_QueryFlattener test flag is set. 
FossilOrigin-Name: 2879a691aca9304aea5acb46bab8e82bb2e08eb54201f3679d60bfc0e8383845
 2019-03-18 18:55:35 +00:00
dan
bdabe742da Fixes for RANGE windows and NULL values. 
FossilOrigin-Name: 723c84be3ec5ae941b7abd2442cdb76ca3bd76a5ce2d830b0e648c6e1424885a
 2019-03-18 16:51:24 +00:00
dan
1e7cb19be3 Fix problems with RANGE windows and string, blob and NULL values. 
FossilOrigin-Name: cebe09e11cc91d9776f259dd9b87e9c760a460f53ba6fa36481dfe58f77ad417
 2019-03-16 20:29:54 +00:00
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
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
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
drh
b531aa8fd9 In a query that uses a partial index, the expression that is the WHERE clause 
of the partial index must always be true.  Use this fact to avoid evaluating
identical terms in the WHERE clause of the query.

FossilOrigin-Name: 9b2879629c34fc0a8e99d94648903eb93aabbc7a3682c80cb7382f9a9ca5ffb7
 2019-03-01 18:07:05 +00:00