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empty-table-optimizations
Commit Graph

9780 Commits

Author SHA1 Message Date
drh
822bc969f6 Disable the skip-scan optimization for DISTINCT queries. 
Fix for ticket [ced41c7c7d6b4d36]

FossilOrigin-Name: a871d69c6de65038360aa6142fbad22689fb347e526cca56bb83e695c1441fbe
 2019-07-30 01:17:03 +00:00
dan
8279fe8a4b Fix a crash in fts3 caused by corrupt database records. 
FossilOrigin-Name: 11f7f94f1c5d761e7f381e277658b7e857cc369283996c509061de55fd6aad52
 2019-07-29 16:53:30 +00:00
dan
ed9d12dbc2 When using an index for both DISTINCT and ORDER BY, do not confuse the number of columns required for distinctness with the number required to get the correct sort order. Fix for [6749cb3c]. 
FossilOrigin-Name: 6ac0f822450b26c7d67c33cdb2a90189cd3cf65a052af8497b795c3f71a23813
 2019-07-29 15:32:01 +00:00
dan
a79a0e733f When using an index for both DISTINCT and ORDER BY, do not confuse the number of columns required for distinctness with the number required to get the correct sort order. Fix for [6749cb3c]. 
FossilOrigin-Name: b47169319ad88e8ffdbe8fbb91f4cced81ebd5c0ee1b018be2d0256c9a1c5159
 2019-07-29 14:42:56 +00:00
drh
337cc3992a Fix the OP_Affinity operator so that when applying REAL affinity, it 
only sets MEM_IntReal if the integer value will fit in 6 bytes or less.
Fix for ticket [ba2f4585cf495231]

FossilOrigin-Name: 2b221bb15fd2b9f6a426e5eb439f7dbabbe3c4cab010c49b87dae3bb1f16c081
 2019-07-29 06:06:53 +00:00
drh
00c12a51e3 Fix faulty asserts in the code generator. 
Ticket [c52b09c7f38903b1]

FossilOrigin-Name: 01cdc590f7894ea23ee0d674747d7ebf8196efbef3c87d47e72dbc1ab6ae2883
 2019-07-24 23:15:19 +00:00
drh
9378818d89 Do not use the insert-overwrite optimization if the cell might overwrite the 
page header.

FossilOrigin-Name: f60a83069168899dcfd706b4d0901084c7ce92d85277950317e962a8a98ec668
 2019-07-22 23:24:01 +00:00
dan
e0ae3f69eb Fix a bug in the linked-list handling code added by commit [fd7316cd]. 
FossilOrigin-Name: 05080344dceafcfb670fbf01f7d69a1d713a54b6845f968a9cfe941fb53b13af
 2019-07-22 17:28:43 +00:00
drh
cda50737f4 New test cases added to test/fuzzdata8.db 
FossilOrigin-Name: 25fec62ac5a23382a54eee78d3705885eb4065826d7e8da098816d03ae9dc639
 2019-07-22 16:57:13 +00:00
dan
7f6f12bdd3 Remove Window objects from the corresponding Select.pWin list when they are deleted, as they are, for example, when the ORDER BY clause is optimized out. 
FossilOrigin-Name: fd7316cda0fdfe86985f41a97dff3beba188606ec9bc6fef38a686a6976a6e01
 2019-07-22 16:33:02 +00:00
dan
75b0821e99 Remove Window objects from the corresponding Select.pWin list when they are deleted. 
FossilOrigin-Name: d23f33168222dfa40a67dc7de58057418151989e81429e4af47617e86db04667
 2019-07-22 16:20:03 +00:00
dan
1e60261cfb Fix a problem with renaming tables when the schema contains an invocation of a currently unregistered aggregate with a FILTER clause. 
FossilOrigin-Name: bd37ce3fb8dee8d538f6afc0bfc13cdc3ebdd504e6461f0130c6ecc8af585f68
 2019-07-22 11:38:43 +00:00
drh
e04c1ec52a New test cases added to test/fuzzdata8.db. 
FossilOrigin-Name: 39be3c61bd809cc89bdfdba90afc391ac9c2f81dfd8bb68a9b085b0ca8cd1fba
 2019-07-19 15:03:54 +00:00
dan
9bf022d57c Fix a problem with renaming a table when the schema contains an invocation of a window function that is not currently registered. 
FossilOrigin-Name: ff290feb97f689cf6ce4162d6aa36f9f9dcf1bff3096847d53a85f39f728d2de
 2019-07-19 14:32:42 +00:00
dan
750c6ba5e5 Fix a problem with renaming tables when the schema contains WINDOW definitions with (illegal) non-numeric expressions as part of a PRECEDING or FOLLOWING clause. 
FossilOrigin-Name: 348e7f193a963390a0595183d603541f85c5d1a911c98ed2e06599691ffe98f5
 2019-07-19 11:20:42 +00:00
dan
a1ac03590b Fix a faulty assert() in walker.c that could fail when processing an ALTER TABLE statement on a schema containing invalid table references that are part of a WINDOW definition. 
FossilOrigin-Name: ee076c28d8ee0f5b099cdef83ae6cea6ef5aa209ab528d7c49949dd653ce019c
 2019-07-19 10:31:29 +00:00
drh
b555b0806e Fix a new problem in the BETWEEN operator when applied to a window function. 
The problem was introduced yesterday by check-in [7ef7b23cbb1b9ace].

FossilOrigin-Name: 47e23064ba0205148f89e12803a62d5a4d6d2054f593f60c031e815112170b9b
 2019-07-19 01:11:27 +00:00
dan
8b65e5919d When processing a BETWEEN or CASE expression, avoid transforming a node of the original expression into a TK_REGISTER node. Instead, take a copy and use it instead. Fix for [1be72aab9]. 
FossilOrigin-Name: 7ef7b23cbb1b9ace9f853238d9133320c153e6c3417e6823ab6394ee1fe56358
 2019-07-17 14:34:17 +00:00
drh
19d9a3ca6c New test cases for PRAGMA index_xinfo on a WITHOUT ROWID table. And new 
testcases using index_xinfo to verify that WITHOUT ROWID tables are
constructed correctly.

FossilOrigin-Name: 340378c1e60da80263523776f4b6366a9d332a7ee25986637e8b157f4e8e4bd3
 2019-07-17 12:42:15 +00:00
drh
7b1904e35d Enhance the "PRAGMA index_info()" and "PRAGMA index_xinfo()" statements so that 
they allow a WITHOUT ROWID table as their argument, and in that case show
the structure of the underlying index used to implement the WITHOUT ROWID
table.

FossilOrigin-Name: 62274ff683ba077d8b0fa34ad653ce235a8c5cbfdb7ab8558469af7333d03698
 2019-07-17 11:01:11 +00:00
dan
1ff9407198 Fix problems with duplicate fields in the PRIMARY KEYs of WITHOUT ROWID tables. 
FossilOrigin-Name: bd9a47a3a2997bfbf9c8a11c5b7196e362974054e58a2fe701778b1580264de8
 2019-07-17 09:18:06 +00:00
dan
e464802d49 Fix a problem that could cause a crash if a blob handle were closed after the associated database handle was closed using sqlite3_close_v2(). 
FossilOrigin-Name: 52f463d29407fad691c42b13462880e7605603c9be9f480d18e953a0ef78149a
 2019-07-15 13:58:28 +00:00
dan
0088574271 Fix a memory leak that could follow an OOM in the new FILTER code. 
FossilOrigin-Name: 85fd70fead834aed16cffbea892b2255b4e10dd677f4dbbb96062d5ff42efdeb
 2019-07-13 18:27:54 +00:00
dan
8f245174a3 Fix a typo in test file window1.test. 
FossilOrigin-Name: 8c80e81d01abde9a5032cdc1a492d0fccd8db139f78d2db9413a60cfdc8e0f64
 2019-07-13 17:54:24 +00:00
dan
5e61c1b741 Fix error handling for the case where a window function is passed the wrong number of arguments. 
FossilOrigin-Name: 871796bb19e61c1282d8ac97a82d8b57bde50f2a2a08004ab53136d77c138df4
 2019-07-13 17:45:25 +00:00
dan
4f9adee289 Rework the FILTER clause implementation to share more code with window functions. 
FossilOrigin-Name: 5dac8c38dfc3f41c5c8fb49ca35de7fd1b21f269d72e8ba6ba59ed0a4030a54d
 2019-07-13 16:22:50 +00:00
dan
648d629953 Merge latest trunk changes into this branch. 
FossilOrigin-Name: 86ab963cc5743867e0535b78a5776e18c13835aa44bf2009f77642df8407cb3f
 2019-07-13 09:56:56 +00:00
dan
e0155b7af9 Fix a test script problem in windowfault.test. 
FossilOrigin-Name: 47010bf17cb080cc1c693c84d16b986ea4addf9c54bd7e22de1e0f6b555ea9d1
 2019-07-09 12:03:21 +00:00
drh
0ba323476a Fix dbfuzz2 so that it will compile on systems that do not support getrlimit(). 
FossilOrigin-Name: 36295dcebcb5487f2a462eabb41900ac28b8e839898ef0fae0aa4730bf9b0671
 2019-07-08 18:35:51 +00:00
dan
62742fd264 Ensure collation sequences and affinities work in window function queries. Fix for [9ece23d2]. 
FossilOrigin-Name: 28196d894ac9fad9d8f877c7bf17ec9d299d12acdcc942f9ea0783777b14fdc5
 2019-07-08 12:01:39 +00:00
dan
1efcc9dd96 Another very small performance improvement. 
FossilOrigin-Name: 7a1e30a17f57ca006dd84b6f97b0c7811bf4c6da4b02903452ffc4bc363cab9b
 2019-07-05 19:10:41 +00:00
dan
b28c4e564a Minor tweak to patch on this branch to reclaim some cycles. 
FossilOrigin-Name: 81eed055de856068109a7e332cca0c3ff1120ebe2bfa5ed6383b165c726e0a7c
 2019-07-05 17:38:55 +00:00
dan
e88c0cde6c As it requires wal mode support, do not run test file chunksize.test as part of the "journaltest" permutation. 
FossilOrigin-Name: acd2df36c2876ff3cc477889fc99f493cdf53a656bdb84bde6121676c9eeed1f
 2019-07-04 19:19:08 +00:00
dan
79d8aa24f1 Fix a typo in the wapptest.tcl script. 
FossilOrigin-Name: 971b4422ae7a8eed67f5db62c0e1cc061faac9404ff5f7051d7e07decf2207a4
 2019-07-04 16:30:41 +00:00
dan
40d6c827e9 Have wapptest.tcl run at least one threadtest with an SQLITE_ENABLE_MEMORY_MANAGEMENT build. 
FossilOrigin-Name: d6131caf6471ad41fa5a28b0067d759ac1cc9dba1170678534488b416f9a1157
 2019-07-04 16:06:59 +00:00
dan
a082cd75a1 Fix a race condition that could occur in SQLITE_ENABLE_MEMORY_MANAGEMENT builds when two threads simultaneously open the first two database connections in the process. 
FossilOrigin-Name: 5ea3f6fc88cf66824128aa64f777a7abb4f6ed55f214d7a135f36e306a32487c
 2019-07-04 16:05:26 +00:00
dan
16e12c573d Add tests for the FILTER clause. And a bugfix. 
FossilOrigin-Name: 28aa1702f7f0334abd1b30e7aa48ea3679539b11bfbba32bc9f0d6049cf18a7b
 2019-07-03 18:31:20 +00:00
drh
4b50da9c95 Restore the legacy behavior of enabling double-quoted string literals in 
all contexts.  But also provide a new compile-time option (SQLITE_DQS) to 
change the default to something more restrictive.

FossilOrigin-Name: 97a94446f3941c313c4c3a19d9f89f24d7ef06e842f79d66f0ad88810b872084
 2019-07-02 12:23:09 +00:00
dan
6ba7ab0d25 Experimental implementation of FILTER clause for aggregate functions. 
FossilOrigin-Name: 1f1ae2d6ac8dcbb62e5aa3dc17bc67d559cb565fc0d0a8c00a596075d35f8130
 2019-07-02 11:56:47 +00:00
drh
00a6153faf Use the OP_Sequence opcode for generating unique rowid values for an 
autoindex on a co-routine implementation of a subquery.

FossilOrigin-Name: eab4297577e4d325fed4757867fc77860de7448998d86f098c8a50272e17d35e
 2019-06-28 07:08:13 +00:00
dan
855b5d144a Ensure that when an ephemeral cursor is reopened with a second invocation of to OP_OpenEphemeral, the sequence counter is reset and the cache marked as stale. Fix for [9cdc5c46]. 
FossilOrigin-Name: 5fd20e09a522b62a529cf4d76fbdf0a09426f67ffa30430cac6b81ebf32ba43e
 2019-06-26 21:04:30 +00:00
dan
fe9a832e80 Fix a problem with handling with handling quoted path elements in extension functions json_set() and json_insert() reported on the mailing list. 
FossilOrigin-Name: 45bfcb88e71451a656982e217375e257fc8e68374349c2984be1266bf86fb8cf
 2019-06-17 14:50:33 +00:00
dan
069d1b1faf Avoid transforming TK_COLLATE or TK_UNLIKELY Expr nodes to TK_REFERENCE. Instead, transform the uppermost Expr node in the expression tree that is not of this type. 
FossilOrigin-Name: ba7870e292919cf6c2f4b65b63fb0420ba2718eb0a797e0ba5302eec551a4238
 2019-06-16 08:58:14 +00:00
dan
44c99ecf9c Add extra test case for one of the problems fixed by the previous commit. 
FossilOrigin-Name: 0bbceebb126c94b5159079a341fa16e8424b7f2f6b9364561516964e871fb6e0
 2019-06-15 15:27:37 +00:00
drh
bdf4cf0b90 Ensure that sqlite3RenameExprUnmap() does an unmap of the result set alias 
names in subqueries when ALTER TABLE fails because of a syntax error in a
trigger.

FossilOrigin-Name: d3b6f1665f6fb5fc5cf1c0864d779d0b24746ada530f755c7b6ff34766bd2188
 2019-06-15 15:21:49 +00:00
drh
821afa44c1 Fix the implementation of the built-in RTRIM collating sequence so that 
it works for control characters at the end of the string.
Ticket [f1580ba1b574e9e9]

FossilOrigin-Name: 86fa0087cd1f5c79ed51b99a226ec2eef5b0fa0a23981d469bec0e02fadf2a68
 2019-06-14 13:24:46 +00:00
drh
060b7fa974 Refactor the LIKE optimization decision logic so that it uses 
sqlite3AtoF() on both boundary keys to determine if the optimization can be
used when the LHS is something that might not have TEXT affinity.
Ticket [ce8717f0885af975].  See also [c94369cae9b561b1],
[b043a54c3de54b28], [fd76310a5e843e07], and [158290c0abafde67].

FossilOrigin-Name: b4a9e09e60213ccff925d09f0b6e549e2a3e3862856c710f108779e2867dec76
 2019-06-14 12:28:21 +00:00
drh
4245e0456d Fix a minor error in a test script, and harmless compiler warnings in the CLI code. 
FossilOrigin-Name: eaa34626e497d3af132dd8f13eddbbda89365d369ed43212a5f788175b3d6198
 2019-06-13 13:52:46 +00:00
drh
0ce974d122 Adjust requirements marks and add new requirements tests. 
FossilOrigin-Name: ebb81dad1f43dac4636cd44d4055d1d4b198c675f73e23c5a2d8d992ae27fe1f
 2019-06-12 22:46:04 +00:00
drh
13d0402077 As a special case, casting '-0.0' into numeric should yield 0. 
Fix for ticket [674385aeba91c774].

FossilOrigin-Name: 491f0f9bbddb6302536d99abd1ea481fd747ddcf6c6eaaacc0338d147b119081
 2019-06-12 20:51:38 +00:00