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Author SHA1 Message Date
drh
660322f96f Merge trunk enhancements into the pushdown-subquery branch. 
FossilOrigin-Name: 27865e316f8dfbf4c20290cf1be3024d7518fec46655e34f3fc435e15346c63e
 2024-04-07 10:30:29 +00:00
drh
05c6d13027 Add comments to note the name abiguity between the MySQL push-down 
optimization and the WHERE-clause push-down optimization.

FossilOrigin-Name: 3d5fb1ec7a0440072d6e3b957903c85d0f32b8b07207a1ef22d1a69cf5e664d1
 2024-04-07 10:27:18 +00:00
drh
6951c49779 Do not allow changes to sqlite3ExprIsTableConstant() that support pushdown of 
subqueries interfere with the hash-join logic.

FossilOrigin-Name: 8682931f9c6b40e1b09139c10bbe932c38330b5eb0c5c84f2432ad19a6793e37
 2024-04-06 18:30:09 +00:00
drh
ed27183d83 Merge testing logic fixes on trunk into the pushdown-subquery branch. 
FossilOrigin-Name: a4e1f03dcad70e828a4b56e7a332946daf84d6eae078e3ec9a248b8157a53963
 2024-04-06 17:42:14 +00:00
drh
8181cc6c10 Improvements to the accurancy of the fuzzinvariants.c testing module when 
SQLITE_ALLOW_ROWID_IN_VIEW is defined and the test query involves rowids.

FossilOrigin-Name: c6e873d4db3ef36a0d561e64ead6feada5d1654c0757b4b6e55f671c9db66469
 2024-04-06 17:37:30 +00:00
drh
de6a4be9b5 Generalize pushdown to allow any uncorrelated subquery to be pushed down. 
FossilOrigin-Name: 87c45fb0d5f5ca5d6d1ad27bef83f294231d17d94299e1997364a7975b423e38
 2024-04-06 12:19:50 +00:00
drh
743ae4c68b Experimental enhancement in which expressions of the form "expr IN table" 
can be pushed down into subexpressions.

FossilOrigin-Name: 2cbd7838fd6ffdf210f34671cd2e3e749a076a3a6f155bbe5f910a67db31c5b1
 2024-04-05 20:01:28 +00:00
drh
b411c4d69e Check-in [a9657c87c53c1922] is wrong: the IndexedExpr.bMaybeNullRow flag is 
required for virtual columns if they are part of an outer join.  Add a
test case (derived from dbsqlfuzz b9e65e2f110df998f1306571fae7af6c01e4d92b)
to prove it.

FossilOrigin-Name: 4484ec6d26b31305e31de89bdbae26344d8083a7e7de20861430d31737d9979c
 2024-04-05 13:56:05 +00:00
drh
65a1d7a284 When compiling with SQLITE_ALLOW_ROWID_IN_VIEW, if the RETURNING clause of 
an UPDATE of a view specifies a rowid, then return NULL for the value of
that rowid.  dbsqlfuzz 7863696e9e5ec10b29bcf5ab2681cd6c82a78a4a.

FossilOrigin-Name: c7896e88850669e18e89d44c4169d4f4a5d4b904bea6ccb2ac64f93b6d348a42
 2024-04-05 11:23:51 +00:00
stephan
7fd9b53308 Optimize sqlite3.oo1.DB.exec() for the rowMode='object' case to avoid converting the object property keys (column names) from native code to JS for each row. This speeds up large data sets considerably and addresses the report in [forum:3632183d2470617d|forum post 3632183d2470617d]. 
FossilOrigin-Name: 8b41ef8690001eb299f5b7182c28f5318333bff5b505e1d59d6e6f4556b1c759
 2024-04-04 22:53:09 +00:00
drh
f895173c5f Add the "interstage-heuristic" that attempts to avoid wildly inefficient 
queries that use table scans instead of index lookups because the output
row estimates are inaccurate.

FossilOrigin-Name: 7bf49e2c54c9f6f336416f01c0e76aaf70f1e2f3fd612232e5a33ae5dabe0900
 2024-04-04 14:26:42 +00:00
drh
634f434686 Fix an ASAN problem in part of the test harness. No changes to SQLite itself. 
FossilOrigin-Name: 797cda7ddcceb140330d58892c3e73d28df72b638df00fd48f07dfcba7706c5f
 2024-04-04 13:36:48 +00:00
drh
efe9500af7 Fix test cases due to an error message change. 
FossilOrigin-Name: c49ec239eddde6f07f8d528cccd6224c4c80b240dc8f5c974186e3bb08afb83b
 2024-04-04 13:07:43 +00:00
stephan
13f5910889 Fix exception propagation when the opfs-sahpool VFS fails to initialize to address report in [forum:be0141c639|forum post be0141c639]. 
FossilOrigin-Name: cdb3a90055afe371962ec6c0931f1b08797aaeaab0358ef64b1cabda0a855b33
 2024-04-04 12:36:33 +00:00
drh
307f290b32 Add an optional 3rd argument to the icu_load_collation() function that 
specifies the "strength" of the comparison.

FossilOrigin-Name: acddbc489d5231dacf29890d1aa562da499026690f55c256a07d04a3190faacc
 2024-04-02 21:55:45 +00:00
drh
8ce73ce15b Fix typos in comments. Provided ".wheretrace" debugging output for the 
interstage heuristic module.  Do omit automatic index loops in the
interstage heuristic.

FossilOrigin-Name: 186dcae19e249db36de15f295999cff25063b54ee3d5d481cd2ba99b6d13148e
 2024-04-02 14:12:29 +00:00
drh
7f7d0b19f8 Add a heuristic in between the two solver() passes of the query planner that 
tries to prevent a very slow query plan in cases where the output row count
estimate is imprecise.

FossilOrigin-Name: 8018417b0143ea11535f2457bf3e4b3755717c554a17df1076425b4251b5f2c6
 2024-04-02 11:44:44 +00:00
drh
9352cfa30b Improved comments in the query planner logic that computes the cost for a 
particular step in a query plan.  No code changes.

FossilOrigin-Name: 0b2ac2cdc767db764e3ea8bbc33898cac4e1ec27fe8c9b60ce08a1785f921e6d
 2024-04-01 15:38:15 +00:00
stephan
69dbd7a4e7 Make explicit that sqlite3_keyword_name()'s index is 0-based, per forum request. Doc changes only. 
FossilOrigin-Name: 090943dc31e7a3af5c11c1c0953cb82ae3ca07ba000189bb85deaecc76921504
 2024-03-30 14:11:30 +00:00
stephan
cfd4507c83 Document that the order of an update hook call is unspecied vis-a-vis the final result of the operation which triggers that hook. Doc changes only. 
FossilOrigin-Name: 3d4b1f0791384d3e531d6757daecf67e5b873954de61f37032474e3ae23cd22b
 2024-03-28 10:58:18 +00:00
dan
6921a2d205 Update comments in fts5.h. 
FossilOrigin-Name: 862945d5c432c27377e90d93d64c4655eefcc369d086eb51edef925fb3d80b57
 2024-03-27 20:34:14 +00:00
dan
ed517a7082 Add extra tests to vtabL.test. 
FossilOrigin-Name: fe209099f5c348f1280b9b827ffbf6a6742ebdd1a23ef189445147894b1832ba
 2024-03-26 18:07:39 +00:00
dan
dcc121999c Avoid expanding integer values in columns with real affinity to the full 8-byte representation when editing records as part of a DROP COLUMN command. 
FossilOrigin-Name: a49296de0061931badaf3db6b965131a78b1c6c21b1eeb62815ea7adf767d0b3
 2024-03-26 11:14:52 +00:00
drh
a509a90958 The RAISE() operator is not a constant expression and cannot participate in 
the VALUE-as-coroutine optimization.
dbsqlfuzz 74cf7c9904360322a6c917e4934b127543d1cd51

FossilOrigin-Name: 6a06dc73847716c88d65651d1bf0e002002303881df1389beac884d0032eae08
 2024-03-25 20:35:14 +00:00
dan
ca3b9096c4 Add further tests for sqlite3_declare_vtab(). 
FossilOrigin-Name: f3c4433f6b33087494c8d38ff9dbb008a1bd30b424ca9aaa51c1956d75a86249
 2024-03-25 20:00:40 +00:00
drh
1872f8d844 Simplifications to the sqlite3_declare_vtab() implementation. Changes 
some conditionals into assert() statements, for coverage.

FossilOrigin-Name: ff7b898a6f9cb9aecb51bd6b63e253b4b7486ac9367f59c3c0491d78cfb39993
 2024-03-25 19:31:03 +00:00
dan
eb5bd4db91 Fix a theoretical OOB memory access in sqlite3_stmt_scanstatus_v2(). 
FossilOrigin-Name: 87be9580747b405c2c534beadb0f95cee0d4f34e0245f90e157a6b7ada38e092
 2024-03-25 18:30:15 +00:00
drh
791b6f36cc Revert the previous change. Instead, do a pre-check of the CREATE TABLE 
statement that is the second argument to sqlite3_declare_vtab() and if
the first two keywords are not "CREATE" and "TABLE", then raise an
SQLITE_MISUSE error.

FossilOrigin-Name: 6a2ff8351244da2336055454dfad2dd40534b7cfb51e840f7f8cf2ddacf8649e
 2024-03-25 18:24:28 +00:00
drh
f7aab656ff Remove an ALWAYS() from a condition that can be true. 
FossilOrigin-Name: 715fcf033a6c0c64fa3076d58be8c39246aebef922c1a44a31831b40e165015e
 2024-03-25 17:43:11 +00:00
drh
ed6c9aa6ab Fix an inaccuracy in automatic indexes that was exposed by the fix 
at [80c4223098c1827f].

FossilOrigin-Name: fdc9406f1c8ba4a7341c1e408f6042ddc788cf65f98e1de2ee101390bfb0abae
 2024-03-25 14:44:10 +00:00
drh
bcf97e70f5 Fix the pragma4.test script so that it works with SQLITE_OMIT_VIRTUALTABLE. 
FossilOrigin-Name: f8fe6fb69c4164d087783a0d6990112afabea78daa4d8985eb6df7df6f45ac27
 2024-03-25 13:18:46 +00:00
drh
99b4e6e254 Fix recent test case changes so that they also work on Windows. 
FossilOrigin-Name: 38578b5af2e97c420f3106bc486318604aecbaa327365bbc2e9518be84491495
 2024-03-25 12:28:06 +00:00
drh
41c9945c74 Use the SQLITE_CONSTRAINT return value from xBestIndex to prohibit bad 
query plans in the pragma virtual table.

FossilOrigin-Name: b1259d4448f744861e416f42328c1450854370e5c77102d2a5abe5cf6c7f12bd
 2024-03-25 11:34:42 +00:00
drh
4397d28378 Improvements to the vtablog.c extension: Eliminate memory leaks. 
More diagnostic output for xBestIndex.

FossilOrigin-Name: 92e9a71bc4daa261d7c9a81fb66f7d7c0f0a74eb9e0c9dec8b4651acc5217bff
 2024-03-25 10:55:08 +00:00
stephan
55051d661c Flag sqlite3_trace() and sqlite3_profile() as deprecated so that the doc generator for funclist.html sees them as such, and add 'Deprecated' to their page's title for consistency with other deprecated APIs. Comment changes only. Addresses [forum:0901025836|forum post 0901025836]. 
FossilOrigin-Name: 87c54f93f5711739741ed0ff3c1a6fe24ffc8a025b43523bf78c1f6be8c1b4cd
 2024-03-25 10:28:10 +00:00
drh
d2b3b72a2b Improvements to the vtablog.c extension, for better logging of virtual 
table interactions.

FossilOrigin-Name: e253bb36a5f4f601c9b08858b55a9ce198239ace8efa8dab7c0ec019028967c1
 2024-03-25 00:38:55 +00:00
drh
cf84ae0189 Fix the xBestIndex method of the pragma virtual table so that it correctly 
gives a higher cost to plans where the schema hidden parameter is
unconstrained.  Fix for the problem reported by
[forum:/forumpost/85b6a8b6705fb77a|forum post 85b6a8b6705fb77a].

FossilOrigin-Name: bc516ff5202ee6e9834266bf755fe26e30ac557dcc7975ca7a06dfe33874fcd2
 2024-03-24 21:10:45 +00:00
drh
4a402b80c5 Improved "wheretrace" debugging output for calls to xBestIndex. No changes 
to release code.

FossilOrigin-Name: 33966bb06ce9a8e90734de59a8d43c523f60870d20be64789638da4c84a8b81b
 2024-03-24 20:26:59 +00:00
drh
a631eb378d Do not automatically assume that ROWID is NOT NULL when compiled with 
SQLITE_ALLOW_ROWID_IN_VIEW.
dbsqlfuzz 31b38eeb63a4e1562de665078f52b7b47a7543cf

FossilOrigin-Name: 80c4223098c1827ff3a564f1f9a4203164a943e9a83eef99df68378fa3c4764b
 2024-03-24 16:33:31 +00:00
drh
d9eee787bd Fix an adverse interaction between CREATE TABLE AS and the new 
[/info/a120c9235f125e05|VALUES-as-coroutine] optimization.
dbsqlfuzz c2c5e7e08b7e489d270a26d895077a03f678c33b

FossilOrigin-Name: 84b6fdea0bf07c73df0ca8ef110db066164a5f34606e6c069a060476e04ef44e
 2024-03-23 15:17:38 +00:00
drh
378bf82e2b Fix incorrect boundary assert()s on the new OP_IfSizeBetween opcode. 
FossilOrigin-Name: 8eda4797c573382cbb989a4ab4b1f19d8fd538dbc9818d86a9aa6189cfa90f37
 2024-03-22 10:32:14 +00:00
drh
2faaf3830e Test case for the assert() problem fixed by [9ba3cff9d48fe8fc]. 
FossilOrigin-Name: 865f0de7a17ce6059b8f0708002cff5f13b9dba3ebc41896ee0fdc21ae4f3740
 2024-03-21 22:18:24 +00:00
stephan
006a9b51aa Add comments (only, no code) to the JS sqlite3_config() bindings reminding us why SQLITE_CONFIG_ROWID_IN_VIEW is specifically not included. JNI does not need this treatment because it explicitly supports only a very small subset of config options. 
FossilOrigin-Name: 4fea396221e84f9532f9327226691621a23bd966a860329fc579141c69cf7f64
 2024-03-21 15:52:52 +00:00
drh
529ed1a3a3 Enhancements to testrunner.tcl: 
(1) Add the "--config CONFIGS" option, to that only configuration named
on the comma-separated list CONFIGS are run.
(2) Add the "--omit CONFIGS" to omit configuration on the CONFIGS list
(3) Add the Android configuration to "release"

FossilOrigin-Name: 4ccb372967fab779b29be8f01c879a99ef247981466f81f55e18e3961fbd7d5a
 2024-03-21 11:46:52 +00:00
dan
af64a22762 Have os_unix.c reuse cached file-descriptors in the case when a read-write fd is requested on a read-only file and a read-only fd returned. 
FossilOrigin-Name: a678e85402af08c1e387bf30ff2205f84dd7da749755da565d70f831c007a3d9
 2024-03-21 11:37:36 +00:00
drh
296ae1e467 Fix all test cases so that they work with SQLITE_ALLOW_ROWID_IN_VIEW. 
FossilOrigin-Name: 66c69e2f20f7692e0f34743ae97b09c4d8d11b874cdc5381795f2d1e0410f724
 2024-03-21 10:35:33 +00:00
dan
219b4f2061 Change EXPLAIN QUERY PLAN output to say "USE TEMP B-TREE FOR LAST TERM OF ORDER BY", or "LAST N TERMS OF ORDER BY", instead of "RIGHT PART OF ORDER BY". 
FossilOrigin-Name: 7e13a2c7583dbcb660adde6b0465da037365971c56726b8f18a541d8803ffeed
 2024-03-20 16:56:12 +00:00
dan
e555bd4f02 Change EXPLAIN QUERY PLAN output to say "USE TEMP B-TREE FOR LAST TERM OF ORDER BY", or "LAST N TERMS OF ORDER BY", instead of "RIGHT PART OF ORDER BY". 
FossilOrigin-Name: cd547c500442f3f58c05d6da8a67c3238560c5204ea62ec14afa844cc8fb94f0
 2024-03-20 16:27:08 +00:00
drh
daee74c3ac Fix the SQLITE_ALLOW_ROWID_IN_VIEW bug-compatibility option so that it works 
again.  Add the SQLITE_CONFIG_ROWID_IN_VIEW sqlite3_config() value
to optionally disable the bug-compatibility mode at start-time.  Enable
testing of SQLITE_ALLOW_ROWID_IN_VIEW.

FossilOrigin-Name: b6802565df0f63286a7ef26c92d3ed817895f244920a24909cd855090fdfa08c
 2024-03-20 10:45:13 +00:00
drh
7128c789bd Fix a typo in a comment. 
FossilOrigin-Name: 54680d0fbec1f0575ac4be6dca866971795dab2c42b02a492d5cd485f46d153f
 2024-03-20 10:40:25 +00:00