Commit Graph

17150 Commits

Author SHA1 Message Date
larrybr f9d40801c3 Add optional feature: A CLI continuation prompt which reflects open lexemes and parens, similarly to PG shell.
FossilOrigin-Name: f41f18b1c3c950565ee3c237aebb51cfc3241813c6425813a8217e07aa0153a6
2022-12-06 05:31:20 +00:00
larrybr 9ab1598e52 Add optional feature: A CLI continuation prompt which reflects open lexemes and parens, similarly to PG shell.
FossilOrigin-Name: dac2ddc287db7a68d0cd49b785060f62290868fbb1aa2ee09e54d3b1acfbf55f
2022-12-06 05:09:51 +00:00
dan 07c8e08889 Update comments in sqlite.h.in to account for sqlite3_stmt_scanstatus_v2().
FossilOrigin-Name: 009462f2344b1f468cf9440343a47fec68d783a2bfb4fa6168bb227ec910b918
2022-12-05 18:52:12 +00:00
dan 77e171e8fa Merge latest trunk changes.
FossilOrigin-Name: 1a72777b1279f74f212fb2f675a4594a238e5d28f048879d7f5ad5287673c3c4
2022-12-05 18:26:37 +00:00
dan a3d0c158a0 Add loops and rows counters to "USE TEMP B-TREE FOR ORDER BY" records. Also fix the sqliteHwtime() function so that it returns a 64-bit value.
FossilOrigin-Name: 41a0e05e8c0fca3b803fe4bd017a157c172b2ca518356a2a4d4ed4f12d01a1e3
2022-12-05 18:19:56 +00:00
dan 27ef91b551 Fix a problem in the memdb vfs xLock() function allowing clients to upgrade to EXCLUSIVE locks when other connections are holding SHARED.
FossilOrigin-Name: 15f0be8a640e7bfa4130edd4650a745337bd96083b119a1553f9abf9ff066806
2022-12-05 14:12:14 +00:00
stephan 8c696375b5 Remove SQLITE_EXPERIMENTAL tag from sqlite3_vtab_collation() and fix a related doc typo.
FossilOrigin-Name: 35d670b3593a46e13ded541ef477fa35dac6bcb9c31e6cf4b90bd7fa550a8ee2
2022-12-05 13:07:06 +00:00
drh fe8ecfd696 Remove obsolete "experimental" comments on the virtual-table interface
documentation in sqlite.h.in.

FossilOrigin-Name: 28fc32abdcb1c6af19f0926a3a7317e15930a0ba89645d5ffbf6ce99d8463273
2022-12-05 10:50:06 +00:00
drh 95ade3bdb9 Improved query planner cost estimates. Fix for ticket [e8b674241947eb3b].
FossilOrigin-Name: 1b779afa3ed2f35a110e460fc6ed13cba744db85b9924149ab028b100d1e1e12
2022-12-05 02:52:37 +00:00
drh b542298376 Use the smaller estimated row size for searching IPK tables, but use the
original larger row size estimate for scanning, since the leaves can have large
rows.

FossilOrigin-Name: df3818997b822743ac407dde45c5fd75845ca40f461e31350d86963dffec6cd6
2022-12-05 02:42:30 +00:00
larrybr 8af6d712da Fix safe mode authorizer callback to reject disallowed UDFs. Reported at [forum:/forumpost/07beac8056151b2f|Forum post 07beac8056151b2f].
FossilOrigin-Name: cefc032473ac5ad244c0b6402c541b2f76c0c65a041bda03bfbe7c0e2c11fac2
2022-12-04 23:20:38 +00:00
dan ad23a47acd Enhance SQLITE_SCANSTAT_NCYCLE so that it reports on virtual tables.
FossilOrigin-Name: 622d8eb3724bee617b55d6fb71f1a2d683db6858065adced6bf3ce9525bcd6b5
2022-12-03 21:24:26 +00:00
drh 1d8f4e6ce8 Increase the nominal row size for IPK index lookups slightly, for better
balance.

FossilOrigin-Name: 1a61c500add4a2bfe80c0c691d559cfca166dc5f8262651a58da7ec16a51d430
2022-12-03 19:04:09 +00:00
dan f6f01f15dd Add CYCLES scanstat measurement to "USE TEMP B-TREE FOR ORDER BY" lines.
FossilOrigin-Name: 365011ae8b7e3fcaa2c4ea9601231a3ef2223e60d7a53ec33013109dca22ad58
2022-12-03 18:16:25 +00:00
drh e4fa4794be Further improvements to the estimated cost of sorting. Take into account
the number of columns to be sorted.

FossilOrigin-Name: f3290cf83b7c02d17d85d8942954f052b486c370cd5ec732969da9061dc1d19a
2022-12-03 17:09:15 +00:00
stephan 54ac04c831 Doc typo fix for SQLITE_MAX_ALLOCATION_SIZE in malloc.c. No code changes.
FossilOrigin-Name: ed1ed21221b048ac5a5275cdfc4d9b2a406acdc7d4b648c3b61bcc822d88d955
2022-12-03 13:05:33 +00:00
stephan fed255d794 Move kvvfs xRead()/xWrite() buffer from function-local stack memory to heap memory to accommodate changes in emsdk 3.1.27.
FossilOrigin-Name: f1da32410ca7b808b3bef5f5a59766e7281e9e6ea343c8b979599bf1fc1060f5
2022-12-03 11:51:29 +00:00
drh 1edd0a089c Tuning the query planner by adjusting the weights that predict the relative
performance of sorting and index lookup.

FossilOrigin-Name: 9f2806da4d88beceac2e81e05421f00481dd3dd100b096cd2ae6c828adb42ca7
2022-12-03 00:52:21 +00:00
dan 231ff4b027 Enhance the sqlite3_stmt_scanstatus() API and add sqlite3_stmt_scanstatus_v2(). For creation of easier to read query performance reports.
FossilOrigin-Name: 55800833645739efeddcacef464c623931cb6aeb43f4219b4e4faf473c25c8bb
2022-12-02 20:32:22 +00:00
drh d2603adf46 For the sqlite3_bind and sqlite3_result interfaces for UTF16 strings, round
the number of bytes down to the next even number, to avoid creating a UTF16
string that is an odd number of bytes.
[forum:/forumpost/411199488d065f83|Forum post 411199488d065f83].

FossilOrigin-Name: b57e3c3db00a6bc6db20c82530479f9eba7e37b731f0da6fe81682e84c7ac916
2022-12-02 17:52:52 +00:00
drh 8b5d7fda59 Use sqlite3_result_int64() instead of sqlite3_result_int() when returning
potentially large values from the DBSTAT virtual table, to avoid integer
overflows in the result.
[forum:/forumpost/ada2ab044f|Forum post ada2ab044f].

FossilOrigin-Name: 5652154a8c93cf3b1ff6c2e55e94abbe995b0bb625f733461df20e006c2f13f8
2022-12-02 15:31:47 +00:00
drh 85ec20ac66 Add a testcase() macro to verify that the case of a NOT NULL error message
hitting the string length limit.

FossilOrigin-Name: 91f50964c10fb12d889bda7d597d8edf475d97d2d8b534b4400e0fed1d753c6a
2022-11-30 21:18:23 +00:00
drh 75fba2fd28 Fix an over-zealous assert() reported by Yong Heng.
FossilOrigin-Name: 6ee61f8cede4998f0c838d6506b058c6b09f34b3d7f30ed296100785c93f8d00
2022-11-30 20:22:31 +00:00
drh 2a757658a0 Attempt to rationalize the bits associated with ".wheretrace". Provide
a decoder key in sqliteInt.h for what each bit is intended to do.

FossilOrigin-Name: 8ec361695a107a94f2cf6a7fe509656a99d85d49bd7c74133c69903f059a2675
2022-11-30 19:11:31 +00:00
drh a42281a312 Always use nanosleep() (instead of usleep() or sleep) if the
_POSIX_C_SOURCE macro says it should be available.

FossilOrigin-Name: 6620c57b9d3eae7226a412318b43393196df069b5b90aae0cf1743fdd2d102dd
2022-11-30 13:44:31 +00:00
drh 7741f3457a Change the handling of hwtime.h to make it easier to compile performance
measurement builds that make use of hwtime.h.  This should not affect
productions builds.

FossilOrigin-Name: f64a224244743ab121371abd516fccbfc93c110e0952211764bd1b217e792c1b
2022-11-29 17:52:04 +00:00
drh d3fc2e63aa Check-in [8d5b76593d82b3a5] contained an error that was causing some obscure
error codes to be lost.  Fixed here.

FossilOrigin-Name: 46cdd3637d6a206ad2bcf8653cc6f2c7a886a16cc7685c45967938609941a755
2022-11-28 21:17:30 +00:00
drh 5b046dadfc Fix harmless compiler warnings.
FossilOrigin-Name: 8d5b76593d82b3a57bc904ced33c24cd49369868b5dd2fe7f2c7b114f5aee2f6
2022-11-28 20:08:15 +00:00
drh 57ba01de4a Implementation of enhancement request [695a1a53dea6b240]: The query planner
has improved awareness of when indexes on expressions are covering and adjusts
their costs accordingly.

FossilOrigin-Name: e3474d79b27298e96e7686e5a6f9a8e736b8a6568a0a08fb1abe5bcca038ca63
2022-11-28 19:42:48 +00:00
dan 1b3d13e65e Add the SQLITE_FCNTL_RESET_CACHE verb. Use it to ensure that the page cache is purged before and after a the recovery extension is run.
FossilOrigin-Name: 6db0bc4bc0d272b610bef2aeeae43f539ed6e7cc0a9cc767d5af85ecb0019d5f
2022-11-28 18:41:41 +00:00
drh 8ffa77f3a9 Merge trunk changes into covering-index-expr branch.
FossilOrigin-Name: 89d775ada39aed4dc532374ace02156d07dc06e8ae54a194608af0c5a582d20f
2022-11-28 16:11:10 +00:00
drh 84606c9737 Rework the covering index checking routine, whereIsCoveringIndex(), so that
it can return a "maybe" result for aggregate queries where we are not exactly
sure.  The index is scored as if it is covering, but the main table is
still opened.

FossilOrigin-Name: b8eec4214363192e6f3e12b3faa5810d8269a5fdaecab3ec09b02e5002cf798a
2022-11-28 15:23:53 +00:00
larrybr d8d68a5b8e Sync w/trunk, zap surplus space.
FossilOrigin-Name: b8345630a2a322234bda49ee4b996f6ba20e2b080621e229a2ec5e820892a663
2022-11-28 14:11:48 +00:00
dan abbfa7aa17 Ensure the RETURNING clause is honoured when a row of a temp table is updated by an ON CONFLICT clause.
FossilOrigin-Name: a2449bcc2c71d0f4c3289621fbf1cb97f0f407c9f7b5bf18245b7854a07c6cfa
2022-11-28 13:47:27 +00:00
larrybr c1ca183abf Conform CLI .trace arg handling to its help.
FossilOrigin-Name: 31546ea320e8daa020f8a9f491718ffc3dde0e32954018afed88e8494a6aff6c
2022-11-28 02:28:44 +00:00
drh 9d34152bcf Better reporting of when the WHERE clause analysis thinks that an index
is covering.

FossilOrigin-Name: 17ebcf316b91042c823eea7bb6f1309325023cb5c70538cdb2ce932caee2ef05
2022-11-26 20:52:38 +00:00
drh 217e77d240 Show which AggInfo.aCol an Expr node represents in the tree trace debugging
logic.  Does not affect production builds.

FossilOrigin-Name: b8076f4dc55810855f668dfd4221bdb555cc78c61df200cf0cb87eb137e22850
2022-11-26 20:48:56 +00:00
drh 8beb7f56f5 Merge trunk fixes into the covering-indexed-expr branch.
FossilOrigin-Name: 9ac67ff968e874cf955e46e3993e3215c766feec3d5bdd38d77884eedd86b59e
2022-11-26 20:13:54 +00:00
drh 743c9ec4a5 Fix an incorrect assertion-fault in the "TREETRACE" debugging logic on
select.c.  The problem does not affect production builds.

FossilOrigin-Name: f11bb42292d94e7b7687bd2134f72afe1353182238cb4837fc0a6d78a021dd7e
2022-11-26 20:12:02 +00:00
drh 6e71186904 Experimental changes to help the query planner detect when an expression
index is coverting.  Works somewhat, but there are tests that fail.

FossilOrigin-Name: 968c189bcf29a9b25305251a58d09b7d52ab9dd08f5057dc3ab1f7ad1a5316a0
2022-11-26 14:19:47 +00:00
drh 902ea83925 Relax restriction (8) on the push-down optimization so that it only applies
if one or more columns uses a collating sequence other than BINARY.
See [forum:/forumpost/3824ced748baa808|forum post 3824ced748baa808] and
check-in [346a3b12b861ce7b].

FossilOrigin-Name: adbca3448e2099f0d6149a073978f230ed9a92a2f384779879ef89e672231bcf
2022-11-25 17:05:55 +00:00
drh 49d400b091 Fix #ifdefs so that restrictions (8) and (9) of the push-down optimization
are still enforced even if compiled with SQLITE_OMIT_WINDOWFUNC.  This
fixes a bug introduced by check-in [346a3b12b861ce7b].

FossilOrigin-Name: 09e1e42e0ff26f9a71cbd128169f060a66425828d637bf8f781490ca38d99103
2022-11-25 16:32:59 +00:00
drh ae5cfda656 Immprove the query planner such that it is able to make use of indexed
expressions within an aggregate query with GROUP BY.  This implements
enhancement request [99378177930f87bd].

FossilOrigin-Name: b9190d3da70c41717eb188474fd225ee43d0b46646e1b03de5967bd332553870
2022-11-25 16:10:48 +00:00
drh 23f61a4ba8 Add restriction (9) to the push-down optimization: If the subquery is
a compound then all arms of the compound must have the same affinity.
dbsqlfuzz 3a548de406a50e896c1bf7142692d35d339d697f.

FossilOrigin-Name: 1ad41840c5e0fa702ba2c0df77a3ea126bd695b910b5d1271fa3129c38c58f5f
2022-11-25 15:52:00 +00:00
drh bedbb1bfab Remove a redundant assert() statement.
FossilOrigin-Name: e3e1b453dc47884ddc9e51c4302fa2f4d40bca3d69ac7c13d8e2ae1adc81ac56
2022-11-25 13:26:51 +00:00
drh f5d0656f16 Improve the robustness of the updateAccumulator() routine against OOM.
FossilOrigin-Name: d2844f577b69fdc16a0a2568c0958fc3d8aff33e9a0ef80e0f58e92f01097432
2022-11-25 13:15:48 +00:00
drh 7960da0346 Improved comments. Add assert()s to verify that the AggInfo structure
is unchanged after registers have been assigned.

FossilOrigin-Name: 5200b84195ee1ccaa387f7032eae3d463724c48cb53ba0251bbc79e927dd9752
2022-11-25 13:08:20 +00:00
drh 8683c09281 Correctly deal with IF-NULL-ROW operators when dealing with
indexed expressions in aggregates.

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2022-11-24 23:35:27 +00:00
larrybr 472de149ae Speed up base85() conversions and sync w/trunk.
FossilOrigin-Name: 17b823500a2ed135c1f40aa7f4d87ba5b2eab35c0abd9e0856041cf0f510cbee
2022-11-24 20:11:34 +00:00
drh e644f7c24b Take care not to try to add comments to a TK_AGG_COLUMN opcode that does
not have an associated Table object because it is a reference to an indexed
expression.

FossilOrigin-Name: 5fc23863e4a6388884ce061cd69546757b4c39d731bbb58a8121b92fd5144f7b
2022-11-24 19:02:40 +00:00