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git.ipfire.org Git - thirdparty/sqlite.git/log
drh [Wed, 26 Jul 2023 01:05:08 +0000 (01:05 +0000)]
Extend the enhancement to json_set() and json_replace(). Clean up cruft.
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drh [Wed, 26 Jul 2023 00:48:45 +0000 (00:48 +0000)]
Add the JsonParse.zAlt field to old revised JSON text after a change.
Demonstrate that this elminates the need for reparsing after a change
by using it in the json_remove() function. This is an incremental check-in
containing lots of cruft.
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drh [Tue, 25 Jul 2023 20:26:47 +0000 (20:26 +0000)]
Clarify ownership of the various objects involved in parsing JSON.
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drh [Tue, 25 Jul 2023 18:28:03 +0000 (18:28 +0000)]
Incremental improvements to JSON parsing - trying to fold in the RCStr object.
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drh [Tue, 25 Jul 2023 15:43:01 +0000 (15:43 +0000)]
Fix a minor problem with error reporting in JSON.
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drh [Tue, 25 Jul 2023 15:08:18 +0000 (15:08 +0000)]
Create the new RCStr class of strings and try to use them for JSON storage.
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drh [Mon, 24 Jul 2023 23:27:05 +0000 (23:27 +0000)]
It is an error to try to insert a BLOB value into JSON.
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drh [Mon, 24 Jul 2023 22:45:59 +0000 (22:45 +0000)]
drh [Mon, 24 Jul 2023 22:34:26 +0000 (22:34 +0000)]
Rework the JSON parse structure to facilitate better caching. Passes all
tests.
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drh [Mon, 24 Jul 2023 17:59:25 +0000 (17:59 +0000)]
Incremental progress toward improved caching of parsed JSON.
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drh [Mon, 24 Jul 2023 12:37:23 +0000 (12:37 +0000)]
Merge the latest trunk enhancements into the json-opt branch.
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stephan [Sun, 23 Jul 2023 22:14:41 +0000 (22:14 +0000)]
When writing the filename header in a opfs-sahpool file, ensure that all remaining bytes in that part of the header are zeroed out to avoid the downstream problems reported in [forum:
d50ec48a293988a5 |forum post
d50ec48a293988a5 ].
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stephan [Sat, 22 Jul 2023 19:57:42 +0000 (19:57 +0000)]
Add the opfs-sahpool sqlite3_vfs implementation to JS, offering an alternative to the other OPFS VFS (with tradeoffs).
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drh [Sat, 22 Jul 2023 16:37:28 +0000 (16:37 +0000)]
Do not read past the end of a text buffer looking for a zero terminator, as
that space might not be initialized. If the buffer is owned, just set the
null terminator. This is a better fix for the OSSFuzz-detected
use-of-initialized-value problem.
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drh [Sat, 22 Jul 2023 15:21:41 +0000 (15:21 +0000)]
Fix a harmless use-of-initialized-value warning from OSSFuzz that results
from recent large string optmizations.
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drh [Fri, 21 Jul 2023 22:28:34 +0000 (22:28 +0000)]
Performance enhancements for queries using very large string values.
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drh [Fri, 21 Jul 2023 22:22:13 +0000 (22:22 +0000)]
drh [Fri, 21 Jul 2023 19:17:26 +0000 (19:17 +0000)]
Fix harmless compiler warning introduced by the previous check-in.
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drh [Fri, 21 Jul 2023 18:38:59 +0000 (18:38 +0000)]
Avoid a potentially large strlen() in sqlite3DecOrHexToI64().
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drh [Fri, 21 Jul 2023 18:09:07 +0000 (18:09 +0000)]
Further improvements to large string handling in relation to JSON.
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drh [Fri, 21 Jul 2023 15:07:56 +0000 (15:07 +0000)]
Fix harmless compiler warning about signed/unsigned comparison.
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drh [Fri, 21 Jul 2023 15:01:53 +0000 (15:01 +0000)]
Multiple optimizations that try to preserve or infer the zero-terminated
property of TEXT values. Avoid unnecessary copying of text values destined
to become function parameters. All changes help improve performance of
doing UPDATEs on large JSON values that are indexed multiple ways.
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drh [Fri, 21 Jul 2023 11:09:53 +0000 (11:09 +0000)]
More infrastructure changes towards improving JSON cache performance.
Incremental check-in.
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stephan [Fri, 21 Jul 2023 10:51:35 +0000 (10:51 +0000)]
Minor internal cleanups in the opfs-sahpool VFS.
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stephan [Fri, 21 Jul 2023 09:10:42 +0000 (09:10 +0000)]
Internal cleanups in the async part of the JS library bootstrap phase.
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stephan [Thu, 20 Jul 2023 23:25:32 +0000 (23:25 +0000)]
drh [Thu, 20 Jul 2023 17:45:09 +0000 (17:45 +0000)]
Experimental framework upon which to build a better JSON parse structure that
supports cached of modified JSON. All of these changes are tentative and
subject to change or removal. Incremental check-in.
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stephan [Thu, 20 Jul 2023 09:06:42 +0000 (09:06 +0000)]
Filter the OPFS VFSes out of the sqlite3-node.mjs build. Add another level of subdirectory to the sahpool to later enable transparent support of client-provided files under the VFS's root dir. Rework the awkward sahpool-via-oo1 mapping.
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drh [Wed, 19 Jul 2023 23:02:45 +0000 (23:02 +0000)]
Performance enhancements to the JSON parser and code generator.
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drh [Wed, 19 Jul 2023 20:23:34 +0000 (20:23 +0000)]
Revise the new JSON parser performance test to make the test run 25 times
longer, and thus provide a more repeatable number.
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drh [Wed, 19 Jul 2023 19:23:30 +0000 (19:23 +0000)]
Describe JSON parser performance testing procedure in test/json/README.md
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stephan [Wed, 19 Jul 2023 17:47:02 +0000 (17:47 +0000)]
More internal refactoring and docs for opfs-sahpool.
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stephan [Wed, 19 Jul 2023 17:46:28 +0000 (17:46 +0000)]
Update the development-over-ssh docs for the wasm build.
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drh [Wed, 19 Jul 2023 17:24:36 +0000 (17:24 +0000)]
Further improvement to JSON parser performance.
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drh [Wed, 19 Jul 2023 15:06:29 +0000 (15:06 +0000)]
Further performance enhancements to JSON parsing and rendering. Total
performance gain for large JSONs so far on this branch is about 11%.
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drh [Wed, 19 Jul 2023 13:50:31 +0000 (13:50 +0000)]
Performance optimization for parsing large JSONs that contain lots of text.
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stephan [Wed, 19 Jul 2023 13:31:29 +0000 (13:31 +0000)]
Major restructuring of opfs-sahpool to improve maintainability and hopefully make it easier to reuse these pieces in the upcoming JSPI-based VFS experiment.
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stephan [Wed, 19 Jul 2023 11:33:52 +0000 (11:33 +0000)]
Appearance and legibility improvements for tester1.js.
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drh [Wed, 19 Jul 2023 09:52:10 +0000 (09:52 +0000)]
Two minor improvements to sum(), one of which was inspired by
[forum:/forumpost/
af5be98dbc |forum post
af5be98dbc ].
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stephan [Wed, 19 Jul 2023 08:18:25 +0000 (08:18 +0000)]
Internal refactoring in opfs-sahpool. Move OPFS tests to the end of tester1.c-cpp.js.
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drh [Tue, 18 Jul 2023 21:06:19 +0000 (21:06 +0000)]
Do not use the [/info/
609fbb94b8f01d67 |viewscan optimization] on a query
that has only a single loop, as the cost adjustments can cause problems
for outer queries. Proposed fix for the performance regression reported by
[forum:/forumpost/
64d36440e473516c |forum post
64d36440e473516c ].
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drh [Tue, 18 Jul 2023 20:41:09 +0000 (20:41 +0000)]
Improved ".wheretrace" for the VIEWSCAN optimization.
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stephan [Tue, 18 Jul 2023 19:47:19 +0000 (19:47 +0000)]
stephan [Tue, 18 Jul 2023 19:27:11 +0000 (19:27 +0000)]
Fix a shadowed var in opfs-sahpool and add more tests.
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stephan [Tue, 18 Jul 2023 18:52:41 +0000 (18:52 +0000)]
Further refactoring of opfs-sahpool and start integrating it into tester1.c-pp.js.
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dan [Tue, 18 Jul 2023 16:29:34 +0000 (16:29 +0000)]
stephan [Tue, 18 Jul 2023 16:24:51 +0000 (16:24 +0000)]
Major restructuring of the opfs-sahpool bits to better support multiple instances per app (each sandboxed from each other). Eliminate the pesky promise resolution race condition when two such instances are loaded in parallel.
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dan [Tue, 18 Jul 2023 13:55:19 +0000 (13:55 +0000)]
Fix a buffer overrun in fts5 that could occur in 'secure-delete' mode when dealing with corrupt database records.
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stephan [Tue, 18 Jul 2023 12:09:16 +0000 (12:09 +0000)]
Refactor opfs-sahpool to support multiple instances, each with a separate VFS name and directory.
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stephan [Mon, 17 Jul 2023 07:43:04 +0000 (07:43 +0000)]
Another -DSQLITE_TEMP_STORE=3 to 2 change for the wasm build.
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stephan [Mon, 17 Jul 2023 07:14:12 +0000 (07:14 +0000)]
sahpool vfs: rename defaultCapacity to initialCapacity, per feedback.
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stephan [Mon, 17 Jul 2023 07:13:44 +0000 (07:13 +0000)]
Change wasm build's -DSQLITE_TEMP_STORE=3 to -DSQLITE_TEMP_STORE=2, primarily so that clients can optionally shift temp files from memory to OPFS storage.
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stephan [Sun, 16 Jul 2023 21:07:01 +0000 (21:07 +0000)]
stephan [Sun, 16 Jul 2023 20:42:19 +0000 (20:42 +0000)]
Add sqlite3-vfs-opfs-sahpool.js to ext/wasm/api/README.md.
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stephan [Sun, 16 Jul 2023 20:20:03 +0000 (20:20 +0000)]
stephan [Sun, 16 Jul 2023 19:29:50 +0000 (19:29 +0000)]
Correct a missing assignment. Minor doc additions.
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stephan [Sun, 16 Jul 2023 19:20:45 +0000 (19:20 +0000)]
stephan [Sun, 16 Jul 2023 17:51:43 +0000 (17:51 +0000)]
Add a way to remove the opfs-sahpool's persistent state from OPFS or unlink() an individual file. Doc cleanups.
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stephan [Sun, 16 Jul 2023 16:52:09 +0000 (16:52 +0000)]
Move SAH pool configuration options from the library-level config to a config passed to the VFS install routine. Extend and document the PoolUtil object.
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stephan [Sun, 16 Jul 2023 14:07:59 +0000 (14:07 +0000)]
speedtest1.js: only install opfs-sahpool if it's provided via --vfs flag, to avoid locking errors in concurrent speedtest1 tabs with other VFSes. Add opfs-sahpool reserveMinimumCapacity().
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stephan [Sun, 16 Jul 2023 12:02:37 +0000 (12:02 +0000)]
During "opfs" VFS init, check for URL param opfs-disable and, if set, do not install the VFS. Added per forum suggestion to provide a way to help rule out misinteraction between the "opfs" and "opfs-sahpool" VFSes.
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stephan [Sun, 16 Jul 2023 11:49:18 +0000 (11:49 +0000)]
stephan [Sun, 16 Jul 2023 10:02:41 +0000 (10:02 +0000)]
Redefine what the opfs-sahpool installation promise resolves to. Fix addCapacity(). Add utility methods to import/export files.
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stephan [Sat, 15 Jul 2023 21:08:48 +0000 (21:08 +0000)]
stephan [Sat, 15 Jul 2023 19:08:58 +0000 (19:08 +0000)]
Correct opfs-sahpool VFS after the pebkac involving the previous speedtest1 runs. Make that VFS explicitly opt-in to avoid certain unfortunate locking situations.
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stephan [Sat, 15 Jul 2023 16:30:46 +0000 (16:30 +0000)]
speedtest1 JS: only add --memdb flag by default if no --vfs is provided.
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stephan [Sat, 15 Jul 2023 11:37:34 +0000 (11:37 +0000)]
Rename opfs-sahpool removeCapacity() to reduceCapacity().
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stephan [Sat, 15 Jul 2023 11:23:57 +0000 (11:23 +0000)]
opfs-sahpool VFS now seems to work, in that it runs fine (and blazingly fast) in speedtest1. Add sqlite3.config options for the high-level configurable parts of opfs-sahpool.
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stephan [Sat, 15 Jul 2023 01:02:38 +0000 (01:02 +0000)]
More work on porting the sahpool bits. Revert to random backing-store names because it works better with the capacity-reduction algorithm.
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stephan [Fri, 14 Jul 2023 23:02:58 +0000 (23:02 +0000)]
Switch opfs-sahpool to use deterministic backing-store file names. Delay VFS registration until after the pool's files are all opened. Fail vfs init if the client's OPFS API has an async FileSystemSyncAccessHandle.close() method (indicating that it's outdated).
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stephan [Fri, 14 Jul 2023 21:48:45 +0000 (21:48 +0000)]
Integrate the opfs-sahpool VFS into the JS build and get it loading (but it's still far from functional).
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stephan [Fri, 14 Jul 2023 21:17:29 +0000 (21:17 +0000)]
Initial sketches for an alternate OPFS VFS which uses a pool of pre-opened SyncAccessHandles to bypass the need for a dedicated I/O worker and the COOP/COEP HTTP response headers. Currently completely non-functional.
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stephan [Fri, 14 Jul 2023 21:06:00 +0000 (21:06 +0000)]
stephan [Fri, 14 Jul 2023 12:21:05 +0000 (12:21 +0000)]
stephan [Thu, 13 Jul 2023 18:35:48 +0000 (18:35 +0000)]
Reintroduce WASMFS+OPFS support, albeit as a separate (less portable) WASM build.
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stephan [Thu, 13 Jul 2023 18:13:52 +0000 (18:13 +0000)]
Minor cleanups related to reintroducing wasmfs support.
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stephan [Thu, 13 Jul 2023 17:27:05 +0000 (17:27 +0000)]
More work on the wasmfs build and its test apps.
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stephan [Thu, 13 Jul 2023 16:33:45 +0000 (16:33 +0000)]
Get speedtest1 wasmfs variant running again.
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drh [Thu, 13 Jul 2023 14:49:39 +0000 (14:49 +0000)]
Fix an off-by-one error in tests for cells overflowing the end pages. The
error is completely harmless for the default page cache, but might cause
problems for application-defined page caches that pack pages tightly
together.
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stephan [Thu, 13 Jul 2023 14:08:30 +0000 (14:08 +0000)]
Significant surgery on the wasm build on the way to incorporating wasmfs as a first-class build option.
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stephan [Thu, 13 Jul 2023 10:41:41 +0000 (10:41 +0000)]
More work on the wasmfs build. Resolve the inconsistent argument type passed to sqlite3InitModule() in such builds.
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stephan [Thu, 13 Jul 2023 04:54:18 +0000 (04:54 +0000)]
stephan [Thu, 13 Jul 2023 04:26:13 +0000 (04:26 +0000)]
Get wasmfs build and its bare-bones test app working again, albeit currently in ES6 mode only.
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stephan [Thu, 13 Jul 2023 03:46:43 +0000 (03:46 +0000)]
Replace 'self' with 'globalThis' in some JS test code.
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stephan [Thu, 13 Jul 2023 01:51:16 +0000 (01:51 +0000)]
JS: change the default OPFS VFS journal mode from PERSIST to DELETE, as DELETE is faster in current browsers.
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stephan [Thu, 13 Jul 2023 01:48:53 +0000 (01:48 +0000)]
Remove obsolete ext/wasm/api/sqlite3-wasi.h.
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stephan [Wed, 12 Jul 2023 09:30:13 +0000 (09:30 +0000)]
stephan [Wed, 12 Jul 2023 09:16:18 +0000 (09:16 +0000)]
Correct handling of the speedtest1 --without-rowid flag in the HTML front-end to speedtest1.wasm. Reduce default speedtest1-with-OPFS workload size in ext/wasm/index.html to speed up manual testing.
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drh [Tue, 11 Jul 2023 19:54:17 +0000 (19:54 +0000)]
Reduce divergence between branches: trunk and wal-shm-exceptions.
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drh [Sat, 8 Jul 2023 17:42:24 +0000 (17:42 +0000)]
Always use the "LL" suffix on 64-bit integer literals.
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drh [Sat, 8 Jul 2023 14:27:55 +0000 (14:27 +0000)]
drh [Fri, 7 Jul 2023 18:49:08 +0000 (18:49 +0000)]
Omit the use of memmove() in sqlite3FpDecode() in an attempt to avoid
spurious warnings from valgrind. Also makes the code slightly smaller and
faster.
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drh [Fri, 7 Jul 2023 12:18:26 +0000 (12:18 +0000)]
For the "Valgrind" test scenario, set LONGDOUBLE_TYPE=double as valgrind
does not correctly emulated extended precision on x64.
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drh [Fri, 7 Jul 2023 12:08:22 +0000 (12:08 +0000)]
Add option 2 to SQLITE_TESTCTRL_USELONGDOUBLE to move the setting to its
defaults. Enhance the CLI and testfixture to make use of this value.
Base the default on sizeof(LONGDOUBLE_TYPE) rather than on sizeof(long double).
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drh [Thu, 6 Jul 2023 20:34:06 +0000 (20:34 +0000)]
Improved handling of integer inputs to the new sum() implementation.
FossilOrigin-Name:
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drh [Thu, 6 Jul 2023 18:29:15 +0000 (18:29 +0000)]
A more precise implementation of sqlite3RealToI64().
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drh [Thu, 6 Jul 2023 17:14:47 +0000 (17:14 +0000)]
Fix octet_length() test cases so that they work when the database encoding
is utf16.
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drh [Thu, 6 Jul 2023 15:44:38 +0000 (15:44 +0000)]
Use the Kahan-Babushka-Neumaier algorithm to improve the accuracy of sum().
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drh [Thu, 6 Jul 2023 14:45:53 +0000 (14:45 +0000)]
Fix minor inaccuracies in the new sum() algorithm.
FossilOrigin-Name:
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drh [Thu, 6 Jul 2023 13:19:10 +0000 (13:19 +0000)]
Experimental attempt to boost the accuracy of sum() using the
Kahan-Babuska-Neumaier algorithm.
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