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OPFS VFSes: remove the on-open() pragma calls, as those (A) already reflected the build-time default settings and (B) they made it illegal to run locking_mode=exclusive, which is a requirement for WAL mode without shared memory. Modify part of the test suite to demonstrate that the SAHPool VFS can run in WAL mode so long as locking_mode=exclusive is used.

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FossilOrigin-Name: 19cd8e2b056d7842ee39afb7160c901c9dc55a5bac8049cb0b5246210f6b920d
This commit is contained in:
stephan
2024-07-22 20:58:51 +00:00
parent 04416ddc51
commit 71e2bdb2b4
6 changed files with 61 additions and 72 deletions
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13
ext/wasm/api/sqlite3-vfs-opfs-sahpool.c-pp.js
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@ -78,8 +78,7 @@ globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
capi.SQLITE_OPEN_MAIN_DB |
capi.SQLITE_OPEN_MAIN_JOURNAL |
capi.SQLITE_OPEN_SUPER_JOURNAL |
capi.SQLITE_OPEN_WAL /* noting that WAL support is
unavailable in the WASM build.*/;
capi.SQLITE_OPEN_WAL;
/** Subdirectory of the VFS's space where "opaque" (randomly-named)
files are stored. Changing this effectively invalidates the data
@ -1280,16 +1279,6 @@ globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
};
OpfsSAHPoolDb.prototype = Object.create(oo1.DB.prototype);
poolUtil.OpfsSAHPoolDb = OpfsSAHPoolDb;
oo1.DB.dbCtorHelper.setVfsPostOpenSql(
theVfs.pointer,
function(oo1Db, sqlite3){
sqlite3.capi.sqlite3_exec(oo1Db, [
/* See notes in sqlite3-vfs-opfs.js */
"pragma journal_mode=DELETE;",
"pragma cache_size=-16384;"
], 0, 0, 0);
}
);
}/*extend sqlite3.oo1*/
thePool.log("VFS initialized.");
return poolUtil;