drh
7741f3457a
Change the handling of hwtime.h to make it easier to compile performance
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measurement builds that make use of hwtime.h. This should not affect
productions builds.
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2022-11-29 17:52:04 +00:00
dan
3c3896c9d6
Fix legacy build system main.mk to include basexx.c in testfixture builds.
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2022-11-29 11:28:45 +00:00
stephan
a302e68476
Rename one instance of opfs.OpfsDb to oo1.OpfsDb, as per [0c5c51f4fb04].
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2022-11-29 06:56:09 +00:00
stephan
ceedef888f
Minor internal cleanups and docs in the OPFS sqlite3_vfs.
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2022-11-29 06:09:32 +00:00
stephan
04184761de
Internal restructuring of the OPFS sqlite3_vfs in order to facilitate certain experimentation and improve error reporting/hints if it cannot be activated. Deprecate the name sqlite3.opfs.OpfsDb, preferring sqlite3.oo1.OpfsDb for consistency with JsStorageDb and any future DB subclasses.
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2022-11-29 05:25:08 +00:00
stephan
e6b0154138
Add an explicit warning about the current API-instability of the sqlite3.opfs namespace, which may need to be eliminated based on re-thinking of how the OPFS sqlite3_vfs is registered. Comment changes only - no code.
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2022-11-29 02:23:12 +00:00
drh
d3fc2e63aa
Check-in [8d5b76593d82b3a5] contained an error that was causing some obscure
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error codes to be lost. Fixed here.
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2022-11-28 21:17:30 +00:00
larrybr
0b0070f1bd
Get ext/misc/basexx.c into the testfixture.exe build for MSC.
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2022-11-28 21:09:49 +00:00
drh
5b046dadfc
Fix harmless compiler warnings.
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FossilOrigin-Name: 8d5b76593d82b3a57bc904ced33c24cd49369868b5dd2fe7f2c7b114f5aee2f6
2022-11-28 20:08:15 +00:00
drh
57ba01de4a
Implementation of enhancement request [695a1a53dea6b240]: The query planner
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has improved awareness of when indexes on expressions are covering and adjusts
their costs accordingly.
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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.
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FossilOrigin-Name: 6db0bc4bc0d272b610bef2aeeae43f539ed6e7cc0a9cc767d5af85ecb0019d5f
2022-11-28 18:41:41 +00:00
drh
cbb9585805
Test cases added derived from the enhancment ticket.
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2022-11-28 18:17:42 +00:00
drh
8ffa77f3a9
Merge trunk changes into covering-index-expr branch.
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2022-11-28 16:11:10 +00:00
drh
84606c9737
Rework the covering index checking routine, whereIsCoveringIndex(), so that
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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.
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2022-11-28 15:23:53 +00:00
larrybr
e862b5fe1d
Add (optional) base64 and base85 UDF extensions.
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2022-11-28 14:51:50 +00:00
larrybr
d8d68a5b8e
Sync w/trunk, zap surplus space.
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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.
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2022-11-28 13:47:27 +00:00
larrybr
c1ca183abf
Conform CLI .trace arg handling to its help.
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FossilOrigin-Name: 31546ea320e8daa020f8a9f491718ffc3dde0e32954018afed88e8494a6aff6c
2022-11-28 02:28:44 +00:00
stephan
ca9309cc56
Document an OPFS API change in Chrome v108 which does not break our code but does change several formerly async methods to synchronous. No code changes.
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FossilOrigin-Name: e9dd87e28a96eb6560943b9a2cb3cb0ff14698c96fe63865944dcfed73b67bd3
2022-11-27 00:57:56 +00:00
drh
9d34152bcf
Better reporting of when the WHERE clause analysis thinks that an index
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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
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logic. Does not affect production builds.
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2022-11-26 20:48:56 +00:00
drh
8beb7f56f5
Merge trunk fixes into the covering-indexed-expr branch.
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2022-11-26 20:13:54 +00:00
drh
743c9ec4a5
Fix an incorrect assertion-fault in the "TREETRACE" debugging logic on
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select.c. The problem does not affect production builds.
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2022-11-26 20:12:02 +00:00
stephan
4245667e35
OPFS VFS: add the opfs-unlock-asap=1 URI flag which tells the VFS to release implicit locks ASAP instead of during VFS idle time. This improves concurrency notably in the test app but brings a significant performance penalty in speedtest1 (roughly 4x slowdown). This is not the final word in OPFS concurrency, but gets us a step further.
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2022-11-26 15:24:58 +00:00
drh
6e71186904
Experimental changes to help the query planner detect when an expression
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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
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if one or more columns uses a collating sequence other than BINARY.
See [forum:/forumpost/3824ced748baa808|forum post 3824ced748baa808] and
check-in [346a3b12b861ce7b].
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2022-11-25 17:05:55 +00:00
drh
49d400b091
Fix #ifdefs so that restrictions (8) and (9) of the push-down optimization
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are still enforced even if compiled with SQLITE_OMIT_WINDOWFUNC. This
fixes a bug introduced by check-in [346a3b12b861ce7b].
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2022-11-25 16:32:59 +00:00
drh
ae5cfda656
Immprove the query planner such that it is able to make use of indexed
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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
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a compound then all arms of the compound must have the same affinity.
dbsqlfuzz 3a548de406a50e896c1bf7142692d35d339d697f.
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2022-11-25 15:52:00 +00:00
drh
bedbb1bfab
Remove a redundant assert() statement.
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2022-11-25 13:26:51 +00:00
drh
f5d0656f16
Improve the robustness of the updateAccumulator() routine against OOM.
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2022-11-25 13:15:48 +00:00
drh
7960da0346
Improved comments. Add assert()s to verify that the AggInfo structure
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is unchanged after registers have been assigned.
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2022-11-25 13:08:20 +00:00
drh
8683c09281
Correctly deal with IF-NULL-ROW operators when dealing with
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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.
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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
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not have an associated Table object because it is a reference to an indexed
expression.
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2022-11-24 19:02:40 +00:00
drh
594357f2e1
Change a NEVER() into an assert().
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FossilOrigin-Name: a0fd44f4e5a0ec83465203a0009f307ca50223833575895a3ebf8a289515714f
2022-11-24 18:45:56 +00:00
dan
eb84c81c53
Fix a test case in fts3expr4.test to account for different locales.
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FossilOrigin-Name: a2b6883ac2ef878f525ee847b170beb9f9ab9d1fa67557101be2cdae1e7f7a57
2022-11-24 17:58:55 +00:00
stephan
df5d06d03e
More work on the OPFS concurrency testing app.
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2022-11-24 17:53:09 +00:00
stephan
6b86b33793
JS documentation cleanups. No code changes.
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FossilOrigin-Name: 18e89a436daa18a8c972caf06b298da43c97a6ea3e2e5229dccb6920c27bfdb9
2022-11-24 16:03:49 +00:00
dan
647b0dd12d
Update multiplex3.test to account for the fact that the multiplexor xDelete method may return an error even if it manages to delete the first chunk of a file.
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FossilOrigin-Name: 1a7f3254735054ed8ca32d5ec7c8cde9195a64702638bdc50392007e396fead2
2022-11-24 15:32:00 +00:00
drh
c25f5ea6e8
Add NEVER() and ALWAYS() macros on branches that are believed to be
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unreachable.
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2022-11-24 15:04:23 +00:00
drh
b669bb5e2b
New test cases. Fix the logic so that it works for GROUP BY aggregates
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that do not require sorting.
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2022-11-24 13:19:25 +00:00
larrybr
9b9017def4
Speed up base64 conversions, and add test with more data for the baseNN conversion to grind.
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2022-11-24 02:59:33 +00:00
stephan
f46091d73f
Add sqlite3.oo1.DB.prototype.checkRc() and tests for both that method and its class-level counterpart.
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2022-11-24 02:35:03 +00:00
drh
4b1555a9fc
Merge the latest trunk changes into the agg-with-indexed-expr branch to
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simplify diffs.
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2022-11-24 01:41:44 +00:00
drh
9b80cb5f39
Add explanatory comment to the new optimization. And add a test case.
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2022-11-24 01:40:20 +00:00
stephan
f1ce4f40c7
Minor JS doc updates.
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2022-11-23 21:09:51 +00:00
stephan
875db41afc
Add optional zSchema argument to sqlite3_js_db_export().
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2022-11-23 21:03:22 +00:00
stephan
056a71562f
OPFS concurrency test: add a URL flag to enable/disable unlock-asap mode.
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2022-11-23 20:49:08 +00:00
stephan
e79cb67c35
Add an experimental OPFS VFS-specific URI flag, opfs-unlock-asap, which tells the VFS to release implicit locks ASAP. This permits higher concurrency but hurts performance considerably. This may or may not be obsoleted by other concurrency-related experimentation.
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FossilOrigin-Name: d23c917013485ec2793125221f3936b05c39d6eca941629fb819b6b4aa714520
2022-11-23 19:03:22 +00:00
