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/ ext/wasm/api/sqlite3-opfs-async-proxy.js
autosetup
October 17, 2024
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Ensure that the OPFS VFS's xOpen() writes back the read-only flag to the output flags. Resolves the problem reported in [forum:cf37d5ff1182c31081 | forum post cf37d5ff1182c31081].
stephan committed
cab9574
July 11, 2024
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Remove the timing and counter metrics from the OPFS VFS, as they're long-since unused so are just wasted CPU cycles.
stephan committed
20ff50a
June 12, 2024
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Remove some dead JS code. Improve the exception-to-C-result-code conversion to account for the case of a file disappearing while the OPFS VFS is waiting to acquire a lock on it.
stephan committed
709cb31
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Doc updates in JS code. No functional changes.
stephan committed
01f07a6
March 14, 2024
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JS: remove an unused function argument and some debug-related comments. No functional changes.
stephan committed
5a0fd81
March 11, 2024
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Add delete-before-open=1 URI flag to the 'opfs' VFS to tell it to xDelete the db file before opening it, primarily to enable users to work around a corrupt db without having to reach into OPFS-specific APIs to remove the db file.
stephan committed
bf030d5
July 16, 2023
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Micro-optimizations in opfs-sahpool.
stephan committed
8449dac
May 30, 2023
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Minor tweak to the OPFS async proxy to attempt to account for a spurious high-load console error message which was reported via the sqlite-wasm npm project.
stephan committed
73d806d
March 7, 2023
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Replace use of 'self' in JS code with 'globalThis', as that works in browsers and node environments. Avoid using globalThis.location if it's not set (e.g. in node). Based on feedback in [forum:ac7a94d4f77db235|forum post ac7a94d4f77db235]. Minor JS build tweaks.
stephan committed
4214cc3
February 6, 2023
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Roll back part of [c54f29d8] which attempted to use symbols which that worker does not have access to.
stephan committed
9f29998
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Add capability to override the JS's use of console.log/debug/warn/error() with client-provided versions via the bootstrap-time config object.
stephan committed
3ff812a
December 8, 2022
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Remove some dead JS code and tweak some docs.
stephan committed
ab8b22a
December 2, 2022
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Minor internal tweaks to the OPFS VFS. Resolve a missing result code which lead to a null deref in xFileSize().
stephan committed
bb4e4a4
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OPFS VFS: translate createSyncAccessHandle() exceptions which appear to be locking violations to SQLITE_BUSY. This seems to improve concurrency considerably even with a reduced retry count of 5 (was 6).
stephan committed
95bc4d6
November 30, 2022
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Simplify how the OPFS VFS async proxy copies initial state sent to it from the synchronous side of the connection. Make the lock-wait time a multiple of the wait-loop timeout interval.
stephan committed
c5141c9
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Rename some OPFS JS files. Prevent JS bindings of sqlite3_uri_...() from performing JS-to-C-string argument conversion on their first argument, as doing so is specifically illegal.
stephan committed
36a0163
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Doc and logging text tweaks in the OPFS async proxy and test app.
stephan committed
d0945f4
November 29, 2022
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Minor internal cleanups and docs in the OPFS sqlite3_vfs.
stephan committed
ceedef8
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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.
stephan committed
0418476
November 27, 2022
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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.
stephan committed
ca9309c
November 24, 2022
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More work on the OPFS concurrency testing app.
stephan committed
df5d06d
November 23, 2022
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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.
stephan committed
e79cb67
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Initial infrastructure for adding a mode to the OPFS VFS which causes implicit locks to be released ASAP, which increases concurrency at the cost of performance.
stephan committed
ad1285c
November 21, 2022
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More tweaking of OPFS concurrency measures and the related test app.
stephan committed
b38ac09
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Resolve missing SQLITE_LOCKED result code which triggered a new (since last checkin) exception in the OPFS VFS. Improve output of the OPFS contention tester app.
stephan committed
36d5554
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Add test app for experimenting with multi-worker OPFS concurrency. Tweak OPFS VFS to significantly improve the otherwise "unfortunate" concurrency situation.
stephan committed
27c4cd1
November 10, 2022
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Rework automatically acquired OPFS locks to be released during idle time. This eliminates the performance hit reported in [46304ba057707c].
stephan committed
da26415
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OPFS: if an op which needs a lock is called when no lock has been obtained, automatically lock it at the start of the op and unlock it at the end of that op. This is an attempt to alleviate the cross-tab contention described in [forum post 58a377083cd24a|forum:58a377083cd24a] but it increases speedtest1 run time by approximately 4x. Perhaps auto-lock can be combined with the older idle-time-based auto-unlock to unlock such locks (but not those from xLock()) to improve this?
stephan committed
aafa022
November 3, 2022
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Globally replace '' with "" for empty JS strings to please C preprocessor.
stephan committed
4df2ab5
November 2, 2022
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Add sqlite3_wasm_vfs_create_file() to replace Emscripten's FS.createDataFile() in a (mostly) VFS-agnostic way. Add a test for worker1's export (to bytearray) support. Re-add worker1 open-from-bytearray using sqlite3_wasm_vfs_create_file() but it's untested (requires a new interactive test app or maybe reconsideration).
stephan committed
f45c337
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Fix a symbol name typo which broke and exception-handling case in OPFS xOpen().
stephan committed
c18c8bf
November 1, 2022
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Significant cleanups and expansion of the sqlite3.opfs utilities. Add oo1.DB.dbVfsName(). Add VFS name to worker1:open's arguments and result.
stephan committed
49048b1
October 31, 2022
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Internal tweaks to the OPFS VFS result codes.
stephan committed
43b442a
October 30, 2022
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Adjust automatic OPFS locking retries such that they will wait up to a total of 3 seconds spanning 4 attempts.
stephan committed
9163ef1
October 25, 2022
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Minor cleanups and doc improvements in the OPFS sqlite3_vfs proxy.
stephan committed
f861b36
October 19, 2022
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Apply considerable acrobatics to get the JS/WASM deliverables building to and loadable from a directory other than the one which contains the app-level code. Requires an only-slightly-leaky abstraction of passing a URL argument when loading sqlite3.js but provides much greater flexibility in where the JS/WASM files are located.
stephan committed
cd0df83