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282 events for the month beginning 2023-07-01
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2023-07-31
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| 22:03 | Restrict the new column cache to table-btree, which is the common case anyhow. That way, writes to indexes do not need to clear the column cache. (check-in: 659284ab user: drh tags: trunk) | |
| 20:02 | The original column-cache implementation from check-in [ab1edcc7fedcf279] (merged to trunk at [771fe35074b50b8d]) is unsound. This check-in fixes the issue. Had to give back a little performance, the optimization is still a overall win. (check-in: ec95e970 user: drh tags: trunk) | |
| 17:39 | Add bit to sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS) that will disable the one-pass optimizating in DELETE and UPDATE. (check-in: 22f6dd5c user: drh tags: trunk) | |
| 17:20 | Improved debug tracking of the Parse.nQueryLoop value. (check-in: 4a8a1749 user: drh tags: trunk) | |
| 13:52 | Experimentally change the JNI sqlite3_trace_v2() callback type to have more convenient access to the current Java-side sqlite3_stmt at the cost of some uncomfortably fiddly current-statement tracking in the JNI layer. Subject to change. (check-in: 459db332 user: stephan tags: jni) | |
| 12:10 | Add some JNI-internal metrics, accessible via passing -v when running Tester1.java. Document an OpenJDK bug which leads to incorrect -Xlint:jni warnings. (check-in: a5d68a6b user: stephan tags: jni) | |
| 10:55 | Correct a mis-cast in the JNI wrapper which just happened to accidentally work. Update JNI binding of sqlite3_context_db_handle() to return the bound-at-open() db instance instead of a new/temp proxy object. (check-in: 9faca5d9 user: stephan tags: jni) | |
| 10:42 | Add another test for JNI-bound scalar UDFs. (check-in: 8b322d92 user: stephan tags: jni) | |
| 10:22 | Update some internal docs for the past two checkins. Add a way to dump out some debug info about the current JNI environment. (check-in: ac9b8bb1 user: stephan tags: jni) | |
| 10:08 | Refactor the busy-handler-specific JNI hook type to use the generic hook type. (check-in: d9efdc6d user: stephan tags: jni) | |
| 09:45 | Refactor the collation-specific JNI hook type to use the generic hook type. (check-in: 02c1d3b6 user: stephan tags: jni) | |
| 09:28 | Internal JNI doc tweaks. (check-in: f4aa2c82 user: stephan tags: jni) | |
| 07:15 | Consolidate triplicated xDestroy()-calling code. Remove some unnecessary casts. (check-in: 24c0763d user: stephan tags: jni) | |
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2023-07-30
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| 18:41 | Internal JNI API renaming. (check-in: fcfc0706 user: stephan tags: jni) | |
| 17:24 | Internal JNI refactoring towards consolidating support for callbacks with and without finalizers. (check-in: 120983a5 user: stephan tags: jni) | |
| 13:47 | Mark the Java wrapper classes of the C-native types as 'final' (cannot be subclassed). (check-in: 4fd3d936 user: stephan tags: jni) | |
| 13:30 | Minor tweaks and optimizations in the JNI bindings. (check-in: 41fb5898 user: stephan tags: jni) | |
| 11:36 | Bind sqlite3_collation_needed() to JNI. Related adjacent cleanups and fixes. (check-in: 16ff1676 user: stephan tags: jni) | |
| 10:47 | Internal JNI refacoring to support the pending sqlite3_collation_needed() callback. Correct a bug in the linked-list handling of PerDbStateJni which triggered an assert(). (check-in: 7ac6614e user: stephan tags: jni) | |
| 09:45 | Incremental checkin to minimize the diff while narrowing in on an assertion caused by refactoring. (check-in: 2d7a91b1 user: stephan tags: jni) | |
| 08:12 | Consolidate some warnings for java callbacks which must not throw but do. (check-in: 5e592ed2 user: stephan tags: jni) | |
| 07:44 | Bind sqlite3_update_hook() to JNI. (check-in: a5bbaa90 user: stephan tags: jni) | |
| 06:44 | Bind sqlite3_rollback_hook() to JNI. (check-in: 5f8ee440 user: stephan tags: jni) | |
| 06:00 | Add commit hook failure to JNI tests. (check-in: be4459b4 user: stephan tags: jni) | |
| 05:50 | Bind sqlite3_commit_hook() to JNI. (check-in: c687297f user: stephan tags: jni) | |
| 04:31 | Bind sqlite3_progress_handler() to JNI. Add some metrics to Tester1.java. (check-in: 437ecfe8 user: stephan tags: jni) | |
| 03:54 | Add tests for SAHPoolUtil.exportFile() and importDb(). (check-in: 4aa88b8f user: stephan tags: trunk) | |
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2023-07-29
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| 22:58 | Do not try to add MEM_Term to an MEM_Static string either. (check-in: 8920dcef user: drh tags: trunk) | |
| 21:22 | Do not try to apply MEM_Term to a MEM_Ephem strings. (check-in: 2a378a66 user: drh tags: trunk) | |
| 20:13 | Fix a buffer overread in the fts5_structure virtual table (test code). (check-in: b837aff7 user: dan tags: trunk) | |
| 17:05 | Simplification to the sqlite3_stmt_explain() implementation. (check-in: dd5eb4c7 user: drh tags: trunk) | |
| 15:53 | SAHPoolUtil.importDb() now accepts either a byte array or ArrayBuffer. (check-in: 3848f04e user: stephan tags: trunk) | |
| 15:31 | Enhancements to the new sqlite3_stmt_explain() interface implementation and documentation. (check-in: dc98ac6b user: drh tags: trunk) | |
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2023-07-28
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| 21:38 | Fix doc error noted in the forum and a misspelling. (check-in: 6b79cc7d user: larrybr tags: trunk) | |
| 20:59 | Do not allow the same JSON parse to be input to both arguments to the json_patch() routine. (check-in: 8e781c67 user: drh tags: trunk) | |
| 19:07 | Merge the latest trunk enhancements into the wal-shm-exceptions branch. (check-in: c44fb4d0 user: drh tags: wal-shm-exceptions) | |
| 19:00 | Merge the latest trunk enhancements into the reuse-schema branch. (check-in: b8731493 user: drh tags: reuse-schema) | |
| 18:52 | Merge the latest trunk enhancements into the bedrock branch. (check-in: 1d6ded32 user: drh tags: bedrock) | |
| 18:47 | Merge the latest trunk enhancements into the wal2 branch. (check-in: c1fa1cb5 user: drh tags: wal2) | |
| 18:44 | Internal JNI binding docs. (check-in: 991c6619 user: stephan tags: jni) | |
| 18:43 | Merge the latest trunk enhancements into the begin-concurrent branch. (check-in: 7407dda8 user: drh tags: begin-concurrent) | |
| 18:37 | Add the sqlite3_stmt_explain() API. (check-in: 0443c0ef user: drh tags: trunk) | |
| 18:02 | Fix an incorrect file path in ext/jni/README.md (check-in: bcefa2df user: stephan tags: jni) | |
| 16:12 | Minor tweaks to the JSON performance measurement documentation. (check-in: 0bed957e user: drh tags: trunk) | |
| 15:58 | Fix minor typos in the JNI README.md file. (check-in: e21cf2e8 user: drh tags: jni) | |
| 14:20 | Enhancements to the JSON performance testing scripts and instructions to cover the recent optimizations involving updates to large JSON strings that indexed. (check-in: f9213289 user: drh tags: trunk) | |
| 13:52 | JSON performance improvements: (1) Add a cache for large string values on OP_Column to avoid having to extract the string multiple times. (2) Internal JSON caching improvements. (check-in: 771fe350 user: drh tags: trunk) | |
| 12:59 | A failed attempt to add a new sqlite3_result_zeroterminated() interface that is a hint to SQLite that a TEXT result does have a zero terminator. The idea is to avoid unnecessary copying of TEXT values. This seems like an unnecessary complication at the moment, but maybe I'll return to this later. Note that this check-in does not work - it is a proof of concept only. (Closed-Leaf check-in: a0de0110 user: drh tags: sqlite3_result_zeroterminated) | |
| 11:52 | Correct a recently-introduced falsehood in ext/wasm/README.md regarding ssh port forwarding. (check-in: 2a3f3a9c user: stephan tags: trunk) | |
| 11:30 | Mark an unreachable branch as ALWAYS(). (Closed-Leaf check-in: 8fd06d11 user: drh tags: json-opt) | |
| 10:37 | Minor java cleanups recommended by a modern IDE. (check-in: f92a9bba user: stephan tags: jni) | |
| 10:01 | Add Java tests which ensure that xFinal() is called with no aggregate context when the result set is empty. (check-in: 7ac8c66a user: stephan tags: jni) | |
| 09:54 | Tweaks to the Java-side UDF docs. (check-in: 48e0079d user: stephan tags: jni) | |
| 09:25 | More Java docs about making use of the aggregate context. Change the JNI mapping to set the sqlite3_context::aggregateContext member directly, instead of via a superflous setter, because that way is faster. (check-in: 7af0cb99 user: stephan tags: jni) | |
| 01:51 | More docs and cleanups related to the aggregate UDF state. Correct the OOM check to behave properly if xFinal() is called without a matching xStep(), xValue(), or xInverse(). (check-in: ff53f1cc user: stephan tags: jni) | |
| 01:19 | Add an OOM check to the previous check-in. Minor internal API renaming. (check-in: 6b56e4d6 user: stephan tags: jni) | |
| 01:12 | Add support making use of sqlite3_aggregate_context() (in a roundabout way) from Java to accumulate state within aggregate and window UDFs. (check-in: 64057498 user: stephan tags: jni) | |
| 00:54 | Remove some unnecessary and incorrect code that was mistakenly added in the previous check-in. (check-in: d3f458dc user: drh tags: json-opt) | |
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2023-07-27
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| 23:51 | Switch to using jsonParseCached() for json_patch(). (check-in: 2ed9c59e user: drh tags: json-opt) | |
| 22:53 | Reformulate jni tests to not require the -ea jvm flag to enable assert(). (check-in: dc356667 user: stephan tags: jni) | |
| 22:42 | Add locking test for BusyHandler and clear up new -Xlint:jni warnings introduced by the busy-handler binding. (check-in: 7dcde2bf user: stephan tags: jni) | |
| 22:05 | Bind sqlite3_busy_handler(). Correct mapping of pointers for, and cleanup of, JNI-level per-db state. (check-in: 52474779 user: stephan tags: jni) | |
| 20:32 | Replace some www: interwiki references in the JNI readme with their full URLs to make the doc more portable. (check-in: 63ce0c9b user: stephan tags: jni) | |
| 20:28 | If the input JSON to a json function that uses cache comes from an RCStr value, then use that RCStr value in the parse rather than making a copy. (check-in: 509ae9c1 user: drh tags: json-opt) | |
| 20:12 | Merge trunk into jni branch for compiler warning fixes. (check-in: 0514fd34 user: stephan tags: jni) | |
| 20:08 | Fix a couple of compiler warnings in fts5_index.c. (check-in: bf71faa2 user: dan tags: trunk) | |
| 20:02 | Initial check-in of JNI (Java Native Interface) bindings for the core C API. (check-in: b5374b9e user: stephan tags: jni) | |
| 19:39 | The OP_Column opcode caches large column values coming from overflow pages. (check-in: ab1edcc7 user: drh tags: json-opt) | |
| 19:13 | Add the contentless_delete=1 option to fts5. For creating contentless tables that support DELETE and REPLACE statements. (check-in: d66b182d user: dan tags: trunk) | |
| 18:19 | Merge trunk enhancements into the json-opt branch. (check-in: 5739a16a user: drh tags: json-opt) | |
| 17:50 | Dynamically determine whether the wasm.xWrap() argc check can be applied, depending on how the wasm environment exposes its exports. (check-in: fd59226b user: stephan tags: trunk) | |
| 15:00 | Dynamically determine whether the wasm.xWrap() argc check workaround for JSPI is necessary, instead of baking it in to JSPI builds. (Edit: closing jspi branch. Introducing JSPI would require making parts of the C API wrapper async.) (Closed-Leaf check-in: 86bb464f user: stephan tags: jspi) | |
| 01:38 | Accommodate a breaking change in emcc 3.1.44. (check-in: 2c5dd341 user: stephan tags: trunk) | |
| 01:35 | Accommodate a breaking change in emcc 3.1.44. (check-in: 4ce38603 user: stephan tags: jspi) | |
| 00:23 | • Edit [837f2907e10b026f|837f2907]: Edit check-in comment. (artifact: 54d1082b user: drh) | |
| 00:21 | Fix a performance regression in JSON associated with generating small snippets of JSON from a larger JSON string. See forum thread 15d6bd9cd37202a7. (check-in: 837f2907 user: drh tags: trunk) | |
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2023-07-26
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| 23:22 | Reduce the number of memory allocations when parsing JSON. (check-in: 9edd6716 user: drh tags: trunk) | |
| 21:53 | Minor changes to make coverage testing easier. (check-in: ec8b4338 user: drh tags: trunk) | |
| 19:22 | Change a switch() case to default for coverage. (check-in: 04f49707 user: drh tags: trunk) | |
| 19:11 | Make sure jsonReplaceNode() always leaves the JsonParse in a consistent state even if an error is encountered. (check-in: 01d52232 user: drh tags: trunk) | |
| 19:08 | • Edit [29c7b1cbc4349a0d|29c7b1cb]: Move to branch mistake. Mark "Closed". (artifact: 956f7b54 user: drh) | |
| 18:34 | Add a comment describing the contents of the ExceptionInformation[] array for win32 EXCEPTION_IN_PAGE_ERROR exceptions. No changes to code. (check-in: 8e203542 user: dan tags: wal-shm-exceptions) | |
| 18:13 | Make sure jsonReplaceNode() always leaves the JsonParse in a consistent state even if an error is encountered. (Closed-Leaf check-in: 29c7b1cb user: drh tags: mistake) | |
| 18:11 | Initial experimentation with getting JSPI (JavaScript Promise Integration) support working. It builds, but requires disabling func argument count validation checks on sqlite3.wasm.xWrap()-processed exports and it crashes cryptically in wasm when the tests are run. (check-in: 5b178f92 user: stephan tags: jspi) | |
| 17:51 | Add the ".scanstats vm" command to the shell tool. For profiling VM code in SQLITE_ENABLE_STMT_SCANSTATUS builds. (check-in: 0cbec399 user: dan tags: trunk) | |
| 16:41 | Improve the output when ".scanstats vm" is enabled. (Closed-Leaf check-in: 7df08fd3 user: dan tags: scanstatus-exp) | |
| 14:18 | Improved caching and reuse of JSON parses. (check-in: df099ad7 user: drh tags: trunk) | |
| 13:17 | Change the debugging "json_parse(X)" function so that it shows a more complete description of the JsonParse object on standard output and returns the mimified JSON. Former behavior was to return the text of a decode of the aNode array. (check-in: 1bf85d4e user: drh tags: json-opt) | |
| 11:53 | More comment improvements in json.c. Do not run jsonLookup() following an OOM error. (check-in: cd5fda8c user: drh tags: json-opt) | |
| 11:43 | Improved comments and other cleanup for the changes on this branch. (check-in: bac953a8 user: drh tags: json-opt) | |
| 11:41 | Remove the batch SQL runner from the JS build's 'all' target, as it's long-since unused and adds noticable build time. Add makefile comments about JSPI. (check-in: b8f708e3 user: stephan tags: trunk) | |
| 11:11 | Add SAHPoolUtil.getFileNames() method, and tests for it, per forum feedback. Add a test to demonstrate that two SAH pools can coexist so long as they have different names. (check-in: 72dc3f8c user: stephan tags: trunk) | |
| 11:00 | Fix jsonForceRCStr() to also add the NULL terminator. (check-in: 134b01f3 user: drh tags: json-opt) | |
| 07:57 | Reformulate [907dfc4a7aa1] using awk instead of sed for better cross-platform portability. (check-in: 82ff7cc6 user: stephan tags: trunk) | |
| 01:15 | Merge the latest trunk fixes into the json-opt branch. (check-in: ef4e1664 user: drh tags: json-opt) | |
| 01:12 | Add the concept of an RCStr string - a "Reference Counted String". Use these to keep track of big JSON strings that might need to be used in multiple places at the same time with different lifetimes. Add two different JSON string values to each parse - one with and one without changes. The net result is a large reduction in the number of parses that occur when doing an UPDATE of a indexed JSON field using json_replace() or similar. (check-in: a4c1af61 user: drh tags: json-opt) | |
| 01:05 | Extend the enhancement to json_set() and json_replace(). Clean up cruft. (Closed-Leaf check-in: 2dbb22c7 user: drh tags: json-opt-rcstr) | |
| 00:48 | 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. (check-in: f930b139 user: drh tags: json-opt-rcstr) | |
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2023-07-25
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| 20:26 | Clarify ownership of the various objects involved in parsing JSON. (check-in: afe02a39 user: drh tags: json-opt-rcstr) | |
| 18:28 | Incremental improvements to JSON parsing - trying to fold in the RCStr object. (check-in: 4cb15d93 user: drh tags: json-opt-rcstr) | |
| 17:54 | Fix a harmless "set-but-not-used" compiler warning in sqlite3session.c. (check-in: 54b3c43f user: dan tags: trunk) | |
| 17:11 | Merge trunk changes into this branch. (Closed-Leaf check-in: 719973d7 user: dan tags: fts5-contentless-delete) | |
| 16:48 | Add extra test for 'deletemerge'. (check-in: bc33cff4 user: dan tags: fts5-contentless-delete) | |
| 15:48 | Change the name of the fts5 'delete-automerge' option to 'deletemerge'. And add tests for it. (check-in: 1079300d user: dan tags: fts5-contentless-delete) | |
| 15:43 | Fix a minor problem with error reporting in JSON. (check-in: c456e4a8 user: drh tags: json-opt-rcstr) | |
| 15:08 | Create the new RCStr class of strings and try to use them for JSON storage. (check-in: c1b87250 user: drh tags: json-opt-rcstr) | |
| 13:53 | Further tests for 'delete-automerge'. (check-in: ca26c7a3 user: dan tags: fts5-contentless-delete) | |
| 12:26 | Reformulate a (sed -i) construct in ext/wasm/GNUmakefile to account for Mac's sed -i being different than GNU's. (check-in: 907dfc4a user: stephan tags: trunk) | |
| 11:43 | • Edit [075eb09a4f15c023|075eb09a]: Move to branch json-opt-wcache1. (artifact: eb02784c user: drh) | |
| 00:13 | First attempt to cache modified JSON parses. Does not work. This is an incremental check-in. (Leaf check-in: 075eb09a user: drh tags: json-opt-wcache1) | |
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2023-07-24
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| 23:27 | It is an error to try to insert a BLOB value into JSON. (check-in: 28c6e964 user: drh tags: json-opt) | |
| 22:45 | Clean up some #defines in json. (check-in: 327fff50 user: drh tags: json-opt) | |
| 22:34 | Rework the JSON parse structure to facilitate better caching. Passes all tests. (check-in: ecdcb1de user: drh tags: json-opt) | |
| 19:13 | Add the fts5 'delete-automerge' integer option. A level is eligible for auto-merging if it has a greater than or equal percentage of its entries deleted by tombstones than the 'delete-automerge' option. Default value is 10. (check-in: b314be66 user: dan tags: fts5-contentless-delete) | |
| 17:59 | Incremental progress toward improved caching of parsed JSON. (check-in: f2c06388 user: drh tags: json-opt) | |
| 15:41 | Resolve an ES6 module export construct which is incompatible with node.js, as reported in forum post b9680fa9ad. (check-in: 80927c39 user: stephan tags: trunk) | |
| 13:30 | Merge the latest trunk enhancements into the reuse-schema branch. (check-in: e0e7b01e user: drh tags: reuse-schema) | |
| 13:24 | Merge the latest trunk enhancements into the bedrock branch. (check-in: a6f34439 user: drh tags: bedrock) | |
| 13:20 | Merge the latest trunk enhancements into the wal2 branch. (check-in: b2e56f62 user: drh tags: wal2) | |
| 13:15 | Merge the latest trunk enhancements into the begin-concurrent branch. (check-in: 967be041 user: drh tags: begin-concurrent) | |
| 12:59 | Update the latest trunk enhancements into the wal-shm-exceptions branch. (check-in: 3187ee3f user: drh tags: wal-shm-exceptions) | |
| 12:37 | Merge the latest trunk enhancements into the json-opt branch. (check-in: 00bfc491 user: drh tags: json-opt) | |
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2023-07-23
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| 22:14 | 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 post d50ec48a293988a5. (check-in: c1b080e3 user: stephan tags: trunk) | |
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2023-07-22
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| 19:57 | Add the opfs-sahpool sqlite3_vfs implementation to JS, offering an alternative to the other OPFS VFS (with tradeoffs). (check-in: d2e602cd user: stephan tags: trunk) | |
| 19:47 | Integrate contentless delete with auto-merge. (check-in: 85c1589a user: dan tags: fts5-contentless-delete) | |
| 16:37 | 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. (check-in: 931bccb0 user: drh tags: trunk) | |
| 15:21 | Fix a harmless use-of-initialized-value warning from OSSFuzz that results from recent large string optmizations. (check-in: 1a6b3dd1 user: drh tags: trunk) | |
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2023-07-21
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| 22:28 | Performance enhancements for queries using very large string values. (check-in: 3661b9cd user: drh tags: trunk) | |
| 22:22 | Mark an unreachable branch as NEVER(). (Leaf check-in: 414a4d66 user: drh tags: big-function-text) | |
| 21:10 | Fix fts5 incremental optimization so that it too can handle an index that consists of a single segment with one or more tombstone hash pages. (check-in: e61c9b08 user: dan tags: fts5-contentless-delete) | |
| 19:33 | Ensure the fts5 'optimize' command correctly rewrites any index that consists of a single segment and one or more tombstone hash pages. (check-in: f4926006 user: dan tags: fts5-contentless-delete) | |
| 19:17 | Fix harmless compiler warning introduced by the previous check-in. (check-in: 06f829e9 user: drh tags: big-function-text) | |
| 18:38 | Avoid a potentially large strlen() in sqlite3DecOrHexToI64(). (check-in: 5413b02b user: drh tags: big-function-text) | |
| 18:09 | Further improvements to large string handling in relation to JSON. (check-in: 1e5df0aa user: drh tags: big-function-text) | |
| 15:15 | • Edit [d0278cdedfa04fb0|d0278cde]: Move to branch big-function-text. (artifact: 5c6fafed user: drh) | |
| 15:07 | Fix harmless compiler warning about signed/unsigned comparison. (check-in: 75cc3c89 user: drh tags: big-function-text) | |
| 15:01 | 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. (check-in: d0278cde user: drh tags: big-function-text) | |
| 11:09 | More infrastructure changes towards improving JSON cache performance. Incremental check-in. (check-in: 1955e66c user: drh tags: json-opt) | |
| 10:51 | Minor internal cleanups in the opfs-sahpool VFS. (Closed-Leaf check-in: 74ad31e2 user: stephan tags: opfs-sahpool) | |
| 09:10 | Internal cleanups in the async part of the JS library bootstrap phase. (check-in: b6d57ab6 user: stephan tags: opfs-sahpool) | |
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2023-07-20
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| 23:25 | Minor internal cleanups in JS code. (check-in: 21a2ca9f user: stephan tags: opfs-sahpool) | |
| 20:29 | Fix some divide-by-zero errors that could occur when handling corrupt tombstone hash records. (check-in: 7567ca06 user: dan tags: fts5-contentless-delete) | |
| 20:09 | Avoid an infinite loop that could be entered when dealing with corrupt fts5 tombstone hash pages. (check-in: 69ce2ce0 user: dan tags: fts5-contentless-delete) | |
| 17:45 | 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. (check-in: e384163a user: drh tags: json-opt) | |
| 16:07 | Add tests and fixes for the new code on this branch. (check-in: 5aac50e9 user: dan tags: fts5-contentless-delete) | |
| 09:06 | 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. (check-in: 080a4d0a user: stephan tags: opfs-sahpool) | |
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2023-07-19
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| 23:02 | Performance enhancements to the JSON parser and code generator. (check-in: 0a745897 user: drh tags: trunk) | |
| 20:23 | Revise the new JSON parser performance test to make the test run 25 times longer, and thus provide a more repeatable number. (check-in: bee9e403 user: drh tags: trunk) | |
| 19:23 | Describe JSON parser performance testing procedure in test/json/README.md (check-in: c47056e1 user: drh tags: trunk) | |
| 18:47 | Fix various issues with code added to this branch. (check-in: 8d09011f user: dan tags: fts5-contentless-delete) | |
| 17:47 | More internal refactoring and docs for opfs-sahpool. (check-in: 64ccf617 user: stephan tags: opfs-sahpool) | |
| 17:46 | Update the development-over-ssh docs for the wasm build. (check-in: 500109bd user: stephan tags: opfs-sahpool) | |
| 17:24 | Further improvement to JSON parser performance. (check-in: 144c8ccf user: drh tags: json-opt) | |
| 15:06 | Further performance enhancements to JSON parsing and rendering. Total performance gain for large JSONs so far on this branch is about 11%. (check-in: adb4d6b0 user: drh tags: json-opt) | |
| 14:42 | • Edit [c9fbe0185cd5d649|c9fbe018]: Move to branch json-opt. (artifact: c3312332 user: drh) | |
| 13:50 | Performance optimization for parsing large JSONs that contain lots of text. (check-in: c9fbe018 user: drh tags: json-opt) | |
| 13:31 | Major restructuring of opfs-sahpool to improve maintainability and hopefully make it easier to reuse these pieces in the upcoming JSPI-based VFS experiment. (check-in: 534481cd user: stephan tags: opfs-sahpool) | |
| 12:52 | • Edit [2e6fbebc41f1a24f|2e6fbebc]: Mark "Closed". (artifact: 4cc487d4 user: drh) | |
| 12:52 | Enhance the JSON parser cache such that it is able to extract lines from the cache and use them for writing, though they then have to be evicted from the cache. This was an experiment in trying to reduce the amount of parsing needed for a big UPDATE, but it does not seem to help any. Retained for reference only. (Closed-Leaf check-in: 2e6fbebc user: drh tags: json-write-cache) | |
| 11:33 | Appearance and legibility improvements for tester1.js. (check-in: 4fd3ed1b user: stephan tags: opfs-sahpool) | |
| 10:17 | Merge the latest trunk enhancements into the sqlite3_stmt_explain branch. (Closed-Leaf check-in: 06eae046 user: drh tags: sqlite3_stmt_explain) | |
| 09:52 | Two minor improvements to sum(), one of which was inspired by forum post af5be98dbc. (check-in: a0d3e757 user: drh tags: trunk) | |
| 08:18 | Internal refactoring in opfs-sahpool. Move OPFS tests to the end of tester1.c-cpp.js. (check-in: 6bd5a741 user: stephan tags: opfs-sahpool) | |
|
2023-07-18
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| 21:06 | Do not use the 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 post 64d36440e473516c. (check-in: 76152ad2 user: drh tags: trunk) | |
| 20:41 | Improved ".wheretrace" for the VIEWSCAN optimization. (check-in: 27057ea7 user: drh tags: trunk) | |
| 19:52 | Fix various problems with fts5 contentless_delete=1 tables. (check-in: 0d005112 user: dan tags: fts5-contentless-delete) | |
| 19:47 | More opfs-sahpool tests. (check-in: 60713fa9 user: stephan tags: opfs-sahpool) | |
| 19:27 | Fix a shadowed var in opfs-sahpool and add more tests. (check-in: 9c8a73af user: stephan tags: opfs-sahpool) | |
| 18:52 | Further refactoring of opfs-sahpool and start integrating it into tester1.c-pp.js. (check-in: 91c78923 user: stephan tags: opfs-sahpool) | |
| 17:43 | Merge the FTS5 memory leak fix from trunk. (check-in: fb65cb73 user: drh tags: fts5-contentless-delete) | |
| 17:29 | • Edit [c2fba6a6322bff10|c2fba6a6]: Mark "Closed". (artifact: 1faa440f user: drh) | |
| 17:29 | Enhance the sqlite3_stmt_explain() interface so that avoids unnecessary reprepare operations. (check-in: 050f773a user: drh tags: sqlite3_stmt_explain) | |
| 16:29 | Fix memory leak in fts5 introduced by [def41225]. (check-in: 4dcad2db user: dan tags: trunk) | |
| 16:24 | 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. (check-in: 95e5fa49 user: stephan tags: opfs-sahpool) | |
| 16:06 | • Edit [609fbb94b8f01d67|609fbb94]: Edit check-in comment. (artifact: 31045735 user: drh) | |
| 15:06 | Experimental (untested, non-working) changes that try reduce the number of reprepares generated by sqlite3_stmt_explain(). I think I see an easier way to do this now, so I'm parking this experiment on a branch to pursue the new idea. (Closed-Leaf check-in: c2fba6a6 user: drh tags: sqlite3-stmt-explain-opt1) | |
| 13:55 | Merge trunk changes with this branch. (check-in: 5f66eb4e user: dan tags: fts5-contentless-delete) | |
| 13:55 | Fix a buffer overrun in fts5 that could occur in 'secure-delete' mode when dealing with corrupt database records. (check-in: def41225 user: dan tags: trunk) | |
| 12:09 | Refactor opfs-sahpool to support multiple instances, each with a separate VFS name and directory. (check-in: d036eaf6 user: stephan tags: opfs-sahpool) | |
|
2023-07-17
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| 18:40 | Fix cases where a row is inserted into a contentless_delete=1 fts5 table and then deleted within the same transaction. (check-in: d928856a user: dan tags: fts5-contentless-delete) | |
| 17:59 | Do not allow the 'delete' command to be used on contentless_delete=1 fts5 tables. (check-in: cc694b83 user: dan tags: fts5-contentless-delete) | |
| 16:20 | • Edit [ce6793e954f291b6|ce6793e9]: Edit check-in comment. (artifact: d82b1197 user: drh) | |
| 16:18 | • Edit [ce6793e954f291b6|ce6793e9]: Edit check-in comment. (artifact: ebd2d990 user: drh) | |
| 11:47 | Merge trunk changes into this branch. (check-in: c4fb2f2e user: dan tags: fts5-contentless-delete) | |
| 07:43 | Another -DSQLITE_TEMP_STORE=3 to 2 change for the wasm build. (check-in: 5ad8f998 user: stephan tags: opfs-sahpool) | |
| 07:14 | sahpool vfs: rename defaultCapacity to initialCapacity, per feedback. (check-in: 2c9c95d0 user: stephan tags: opfs-sahpool) | |
| 07:13 | 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. (check-in: 764430e8 user: stephan tags: opfs-sahpool) | |
|
2023-07-16
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| 21:07 | Remove an extraneous JS script import. (check-in: 5a205b25 user: stephan tags: opfs-sahpool) | |
| 20:42 | Add sqlite3-vfs-opfs-sahpool.js to ext/wasm/api/README.md. (check-in: 58d05201 user: stephan tags: opfs-sahpool) | |
| 20:20 | Minor doc tweaks. (check-in: 0cb0d7a9 user: stephan tags: opfs-sahpool) | |
| 19:29 | Correct a missing assignment. Minor doc additions. (check-in: 1c4957d0 user: stephan tags: opfs-sahpool) | |
| 19:20 | Doc tweaks only, no code changes. (check-in: 044c28df user: stephan tags: opfs-sahpool) | |
| 17:51 | Add a way to remove the opfs-sahpool's persistent state from OPFS or unlink() an individual file. Doc cleanups. (check-in: 80982daa user: stephan tags: opfs-sahpool) | |
| 16:52 | 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. (check-in: d2ed9955 user: stephan tags: opfs-sahpool) | |
| 14:07 | 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(). (check-in: aa94c8ab user: stephan tags: opfs-sahpool) | |
| 12:02 | 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. (check-in: 29905b7a user: stephan tags: opfs-sahpool) | |
| 11:49 | Micro-optimizations in opfs-sahpool. (check-in: 52f23db9 user: stephan tags: opfs-sahpool) | |
| 10:02 | Redefine what the opfs-sahpool installation promise resolves to. Fix addCapacity(). Add utility methods to import/export files. (check-in: 809c6f4d user: stephan tags: opfs-sahpool) | |
|
2023-07-15
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| 21:08 | Minor cleanups in the opfs-sahpool VFS. (check-in: 279e0907 user: stephan tags: opfs-sahpool) | |
| 19:08 | Correct opfs-sahpool VFS after the pebkac involving the previous speedtest1 runs. Make that VFS explicitly opt-in to avoid certain unfortunate locking situations. (check-in: 41bf1fe3 user: stephan tags: opfs-sahpool) | |
| 18:57 | Store large tombstone hash tables in multiple database records. Ensure the same hash tables handle rowid 0. (check-in: 4410e60d user: dan tags: fts5-contentless-delete) | |
| 16:48 | Add the experimental sqlite3_stmt_explain(S,E) interface. (check-in: 5683743d user: drh tags: sqlite3_stmt_explain) | |
| 16:30 | speedtest1 JS: only add --memdb flag by default if no --vfs is provided. (check-in: 676ffe62 user: stephan tags: opfs-sahpool) | |
| 11:37 | Rename opfs-sahpool removeCapacity() to reduceCapacity(). (check-in: fff68e9f user: stephan tags: opfs-sahpool) | |
| 11:23 | 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. (check-in: 5d92d5f4 user: stephan tags: opfs-sahpool) | |
| 01:02 | More work on porting the sahpool bits. Revert to random backing-store names because it works better with the capacity-reduction algorithm. (check-in: b4e005fd user: stephan tags: opfs-sahpool) | |
|
2023-07-14
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| 23:02 | 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). (check-in: 7c6697ed user: stephan tags: opfs-sahpool) | |
| 21:48 | Integrate the opfs-sahpool VFS into the JS build and get it loading (but it's still far from functional). (check-in: ef96e6b5 user: stephan tags: opfs-sahpool) | |
| 21:17 | 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. (check-in: a93de9f2 user: stephan tags: opfs-sahpool) | |
| 21:06 | Minor internal cleanups in the OPFS VFS. (check-in: 984d491e user: stephan tags: trunk) | |
| 12:21 | Minor wasm build cleanups. (check-in: 816b503f user: stephan tags: trunk) | |
|
2023-07-13
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| 18:35 | Reintroduce WASMFS+OPFS support, albeit as a separate (less portable) WASM build. (check-in: 7e4c594e user: stephan tags: trunk) | |
| 18:13 | Minor cleanups related to reintroducing wasmfs support. (Closed-Leaf check-in: 6918a927 user: stephan tags: wasmfs-2023) | |
| 17:27 | More work on the wasmfs build and its test apps. (check-in: 953b8557 user: stephan tags: wasmfs-2023) | |
| 16:33 | Get speedtest1 wasmfs variant running again. (check-in: 0f77e031 user: stephan tags: wasmfs-2023) | |
| 14:49 | Fix an off-by-one error in tests for cells overflowing the end of pages. The error is completely harmless for the default page cache, but might cause false-positive SQLITE_CORRUPT errors in systems that use an application-defined page caches that pack pages tightly together in memory. (check-in: ce6793e9 user: drh tags: trunk) | |
| 14:08 | Significant surgery on the wasm build on the way to incorporating wasmfs as a first-class build option. (check-in: 215c37fc user: stephan tags: wasmfs-2023) | |
| 10:41 | More work on the wasmfs build. Resolve the inconsistent argument type passed to sqlite3InitModule() in such builds. (check-in: 4850a9e2 user: stephan tags: wasmfs-2023) | |
| 04:54 | Minor cleanups in the wasmfs build. (check-in: f64477f2 user: stephan tags: wasmfs-2023) | |
| 04:26 | Get wasmfs build and its bare-bones test app working again, albeit currently in ES6 mode only. (check-in: 647761ed user: stephan tags: wasmfs-2023) | |
| 03:46 | Replace 'self' with 'globalThis' in some JS test code. (check-in: 53eeffc9 user: stephan tags: trunk) | |
| 01:51 | JS: change the default OPFS VFS journal mode from PERSIST to DELETE, as DELETE is faster in current browsers. (check-in: a061a43e user: stephan tags: trunk) | |
| 01:48 | Remove obsolete ext/wasm/api/sqlite3-wasi.h. (check-in: f661a6e0 user: stephan tags: trunk) | |
|
2023-07-12
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| 20:24 | Avoid a case of an infinite loop in fts5 when dealing with corrupt records. (check-in: 0e801f11 user: dan tags: fts5-contentless-delete) | |
| 19:34 | Fix a crash that may occur when handling corrupt records in contentless_delete=1 mode. (check-in: 74d7610a user: dan tags: fts5-contentless-delete) | |
| 18:38 | Get access to SQL functions and virtual tables used for debugging and analysis of FTS5 using SQLITE_FTS5_DEBUG and without the need for SQLITE_TEST. (check-in: 383de8e2 user: drh tags: fts5-contentless-delete) | |
| 09:30 | Internal JS doc fix. (check-in: 7c5ea022 user: stephan tags: trunk) | |
| 09:16 | 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. (check-in: 2daba2cd user: stephan tags: trunk) | |
|
2023-07-11
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| 20:57 | Have contentless_delete=1 tables support REPLACE statements. (check-in: 2f553a66 user: dan tags: fts5-contentless-delete) | |
| 20:19 | Have contentless_delete=1 tables support regular DELETE statements, instead of just the special INSERT syntax. (check-in: fffb8616 user: dan tags: fts5-contentless-delete) | |
| 19:54 | Reduce divergence between branches: trunk and wal-shm-exceptions. (check-in: d38ed6b1 user: drh tags: trunk) | |
| 18:55 | Use a hash-table instead of a flat list to store tombstone rowids. (check-in: 948267b0 user: dan tags: fts5-contentless-delete) | |
| 15:52 | Get fault injection for testing working correctly. Other code clean-up. (check-in: ff492277 user: drh tags: wal-shm-exceptions) | |
|
2023-07-10
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| 20:44 | Begin adding support for deleting rows from contentless fts5 tables. (check-in: e513bea8 user: dan tags: fts5-contentless-delete) | |
| 19:21 | Minor style changes to the previous MSVC makefile changes on this branch. (check-in: 4c950872 user: mistachkin tags: wal-shm-exceptions) | |
| 19:13 | Compile for SEH if the USE_SEH=1 option is specified on the nmake command line. (check-in: 0e67a82f user: drh tags: wal-shm-exceptions) | |
| 18:16 | Fix a warning. Unclear yet if the code is correct this way or not. (check-in: 2df4fd76 user: drh tags: wal-shm-exceptions) | |
| 18:05 | Merge the latest trunk enhancements into the wal-shm-exceptions branch. (check-in: f655d08d user: drh tags: wal-shm-exceptions) | |
|
2023-07-08
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| 19:28 | Merge the latest trunk enhancements into the reuse-schema branch. (check-in: 7a9cb6f4 user: drh tags: reuse-schema) | |
| 19:16 | Merge the latest trunk enhancements into the bedrock branch. (check-in: 35bfb5bf user: drh tags: bedrock) | |
| 19:09 | Merge all the latest trunk enhancements into the wal2 branch. (check-in: f0793653 user: drh tags: wal2) | |
| 19:00 | Merge the latest trunk enhancements into the begin-concurrent branch. (check-in: 3d0823c4 user: drh tags: begin-concurrent) | |
| 17:42 | Always use the "LL" suffix on 64-bit integer literals. (check-in: 07d95ed6 user: drh tags: trunk) | |
| 14:27 | Fix harmless scan-build warnings. (check-in: beab3c98 user: drh tags: trunk) | |
|
2023-07-07
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| 18:49 | Omit the use of memmove() in sqlite3FpDecode() in an attempt to avoid spurious warnings from valgrind. Also makes the code slightly smaller and faster. (check-in: b409943a user: drh tags: trunk) | |
| 16:58 | Proof of concept for a new sqlite3_function_needed() interface. (Leaf check-in: cd67edc0 user: drh tags: need-function) | |
| 12:18 | For the "Valgrind" test scenario, set LONGDOUBLE_TYPE=double as valgrind does not correctly emulated extended precision on x64. (check-in: d3532eae user: drh tags: trunk) | |
| 12:08 | 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). (check-in: 64e6bd1c user: drh tags: trunk) | |
|
2023-07-06
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| 20:34 | Improved handling of integer inputs to the new sum() implementation. (check-in: 31561c63 user: drh tags: trunk) | |
| 18:29 | A more precise implementation of sqlite3RealToI64(). (check-in: 8813317c user: drh tags: trunk) | |
| 17:55 | Merge all recent trunk enhancements into the wal-shm-exceptions branch. (check-in: e59cea2d user: drh tags: wal-shm-exceptions) | |
| 17:14 | Fix octet_length() test cases so that they work when the database encoding is utf16. (check-in: ad2e3962 user: drh tags: trunk) | |
| 15:44 | Use the Kahan-Babushka-Neumaier algorithm to improve the accuracy of sum(). (check-in: c63e26e7 user: drh tags: trunk) | |
| 14:45 | Fix minor inaccuracies in the new sum() algorithm. (Closed-Leaf check-in: e3f7a960 user: drh tags: kahan-babuska-neumaier-summation) | |
| 13:19 | Experimental attempt to boost the accuracy of sum() using the Kahan-Babuska-Neumaier algorithm. (check-in: ebc5edd3 user: drh tags: kahan-babuska-neumaier-summation) | |
| 00:55 | Use "volatile" isntead of "#pragma" to get floating point calculations working correctly when compiling with GCC for x86 machines. (check-in: 9427f426 user: drh tags: trunk) | |
|
2023-07-05
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| 22:05 | This is alternative work-around for the x86 float-point problem that uses "volatile" rather than compile-specific #pragmas. (Closed-Leaf check-in: 1d972a69 user: drh tags: fix-dekker-with-volatile) | |
| 19:56 | Improved comments on the work-around to the GCC x86 floating point wonkiness. (check-in: 7b4c1673 user: drh tags: trunk) | |
| 18:59 | Work around for an apparent GCC bug. See forum post ee7278611394034c for details. (check-in: 5d9e9364 user: drh tags: trunk) | |
| 15:34 | Make the order of operations explicit for the error term of Dekker double-precision multiply. (check-in: 28f57b34 user: drh tags: trunk) | |
| 14:42 | Simplification of the dekkerMul2() subroutine. (check-in: bfe6432a user: drh tags: trunk) | |
| 12:00 | Add the ieee754_inc(r,N) function to the ieee754.c extension. (check-in: 9a36f269 user: drh tags: trunk) | |
|
2023-07-03
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| 18:32 | Enhance the sqlite3AtoF() function so that it can operate with or without long double and provides accurate results in both cases. (check-in: fd987508 user: drh tags: trunk) | |
| 18:18 | Enhance sqlite3AtoF() so that it honors the USELONGDOUBLE test-control. Enable the test/atof1.test module on non-intel platforms. (Closed-Leaf check-in: b7850fd4 user: drh tags: fp-to-decimal-refactor) | |
| 15:30 | Store the fp-speed-1.c test program used to measure relative performance of SQLite versus the standard library, in the test/ directory. A header comment explains how to use it. (check-in: eaff3762 user: drh tags: trunk) | |
| 15:11 | Add the --nolongdouble option to speedtest1.c. (check-in: 6bf6018a user: drh tags: trunk) | |
| 15:03 | Improved precision of binary-to-decimal conversion of floating-point values on all systems but especially non-x86 systems that lake extended precision hardward floating point. (check-in: 32befb22 user: drh tags: trunk) | |
| 14:56 | Whether or not to use the long-double floating point conversion technique is now a test-control setting. (check-in: 02ae6caf user: drh tags: fp-to-decimal-refactor) | |
| 12:58 | New test cases for floating-point conversions. (check-in: 9435ed76 user: drh tags: fp-to-decimal-refactor) | |
| 11:44 | Use Dekker double-precision floating point to do the value normalization step in sqlite3FpDecode() for systems on which "long double" is 8 bytes or less. (check-in: 51f492b4 user: drh tags: fp-to-decimal-refactor) | |
| 11:39 | Final clean-up of the idea of using Dekker double-precision floating computations to improve accuracy. (Closed-Leaf check-in: 40285d63 user: drh tags: fp-to-decimal-branch1) | |
| 10:35 | Squeeze as many bits as we can out of normalization. (check-in: 25d1ad6d user: drh tags: fp-to-decimal-branch1) | |
| 10:18 | Faster Dekker multiplication that removes the restriction on input magnitude. (check-in: 2994caf5 user: drh tags: fp-to-decimal-branch1) | |
| 10:00 | Fix one constant in the normalization logic. Improved error output from atof1.test. (check-in: d3c48807 user: drh tags: fp-to-decimal-branch1) | |
| 09:07 | Replace the dodgy error estimating logic in the previous check-in with full-up Dekker double-double multiplication, and this idea works much better. There are still a few inaccuracies, but it is much closer. (check-in: 4fa6938d user: drh tags: fp-to-decimal-branch1) | |
| 00:51 | The fptest(X) routine used for exploring another idea for improving fp-to-decimal conversion without the use of long double. (Leaf check-in: d9a883d7 user: drh tags: fp-to-decimal-branch2) | |
| 00:40 | An idea for improving accuracy of fp-to-decimal conversion for systems that do not have "long double". Does not quite work. Retained only for documentation purposes. (check-in: 70224333 user: drh tags: fp-to-decimal-branch1) | |
|
2023-07-01
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| 20:21 | This check-in adds the use of "long double" to sqlite3FpDecode() which when run on x86 using a compiler that translates "long double" into binary80, causes all legacy tests to pass. But on a system where "long double" is just an alias for "double", some of the tests are still failing. (check-in: ce06982f user: drh tags: fp-to-decimal-refactor) | |
| 18:33 | Reinstate the fpdecode() SQL function for testing, but only when compiled with SQLITE_DEBUG. (check-in: 07eab52e user: drh tags: fp-to-decimal-refactor) | |
| 17:56 | Improved rounding policy. (check-in: 6f1122e9 user: drh tags: fp-to-decimal-refactor) | |
| 15:23 | Improved response to Infinity and NaN. Remove the termporary fpdecode() function. (check-in: 76ab8ae8 user: drh tags: fp-to-decimal-refactor) | |
| 14:03 | Progress towards fixing corner-case floating-point formatting issues. (check-in: 1138b8d1 user: drh tags: fp-to-decimal-refactor) | |