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Export sqlite3_trace_v2() to wasm and use it to ensure that the new per-VFS post-open SQL support in the DB ctor works. Default opfs vfs to journal_mode=truncate, as it's faster in that mode. Add 't' DB open-mode flag to enable SQL tracing to console.log().

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FossilOrigin-Name: 508f7f6d63e52f61fae5abe817579a4e130fa7fbd18733d741d521a5bdabb7ce
This commit is contained in:
stephan
2022-10-03 13:03:41 +00:00
parent a4c357f94c
commit 4f5bbedb3a
10 changed files with 122 additions and 44 deletions
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9
ext/wasm/api/sqlite3-api-opfs.js
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@ -898,8 +898,14 @@ const installOpfsVfs = function callee(asyncProxyUri = callee.defaultProxyUri){
sqlite3.oo1.dbCtorHelper.call(this, opt);
};
opfsUtil.OpfsDb.prototype = Object.create(sqlite3.oo1.DB.prototype);
sqlite3.oo1.dbCtorHelper.setVfsPostOpenSql(
opfsVfs.pointer,
/* Truncate journal mode is faster than delete or wal for
OPFS, per speedtest1. */
"pragma journal_mode=truncate"
);
}
/**
Potential TODOs:
@ -907,7 +913,6 @@ const installOpfsVfs = function callee(asyncProxyUri = callee.defaultProxyUri){
publish an interface for proxying the higher-level OPFS
features like getting a directory listing.
*/
const sanityCheck = function(){
const scope = wasm.scopedAllocPush();
const sq3File = new sqlite3_file();