('sqlite3_stmt*', aPtr)
('sqlite3_context*', aPtr)
('sqlite3_value*', aPtr)
+ ('sqlite3_vfs*', aPtr)
('void*', aPtr);
wasm.xWrap.resultAdapter('sqlite3*', aPtr)
- ('sqlite3_stmt*', aPtr)
('sqlite3_context*', aPtr)
+ ('sqlite3_stmt*', aPtr)
+ ('sqlite3_vfs*', aPtr)
('void*', aPtr);
/**
/**
Functions which are intended solely for API-internal use by the
WASM components, not client code. These get installed into
- wasm.
-
- TODO: get rid of sqlite3_wasm_vfs_unlink(). It is ill-conceived
- and only rarely actually useful.
+ capi.wasm.
*/
wasm.bindingSignatures.wasm = [
- ["sqlite3_wasm_vfs_unlink", "int", "string"]
+ ["sqlite3_wasm_db_reset", "int", "sqlite3*"],
+ ["sqlite3_wasm_db_vfs", "sqlite3_vfs*", "sqlite3*","string"],
+ ["sqlite3_wasm_vfs_unlink", "int", "sqlite3_vfs*","string"]
];
This method always adjusts the given value to be a multiple
of 8 bytes because failing to do so can lead to incorrect
results when reading and writing 64-bit values from/to the WASM
- heap.
+ heap. Similarly, the returned address is always 8-byte aligned.
*/
alloc: (n)=>{
return wasm.exports.sqlite3_wasm_pstack_alloc(n)
Returns true if sqlite3.capi.sqlite3_wasmfs_opfs_dir() is a
non-empty string and the given name starts with (that string +
'/'), else returns false.
-
- Potential (but arguable) TODO: return true if the name is one of
- (":localStorage:", "local", ":sessionStorage:", "session") and
- kvvfs is available.
*/
- capi.sqlite3_web_filename_is_persistent = function(name){
+ capi.sqlite3_wasmfs_filename_is_persistent = function(name){
const p = capi.sqlite3_wasmfs_opfs_dir();
return (p && name) ? name.startsWith(p+'/') : false;
};
if(db){
delete this.dbs[getDbId(db)];
const filename = db.getFilename();
+ const pVfs = sqlite3.capi.wasm.sqlite3_wasm_db_vfs(db.pointer, 0);
db.close();
if(db===this.defaultDb) this.defaultDb = undefined;
- if(alsoUnlink && filename){
- /* This isn't necessarily correct: the db might be using a
- VFS other than the default. How do we best resolve this
- without having to special-case the opfs VFSes? */
- sqlite3.capi.wasm.sqlite3_wasm_vfs_unlink(filename);
+ if(alsoUnlink && filename && pVfs){
+ sqlite3.capi.wasm.sqlite3_wasm_vfs_unlink(pVfs, filename);
}
}
},
** This function is NOT part of the sqlite3 public API. It is strictly
** for use by the sqlite project's own JS/WASM bindings.
**
-** Do not use this function, even for internal use: it was
-** ill-conceived and will be removed once the JS code which still
-** calls it has been weeded out.
-**
-** This function invokes the xDelete method of the default VFS,
-** passing on the given filename. If zName is NULL, no default VFS is
-** found, or it has no xDelete method, SQLITE_MISUSE is returned, else
-** the result of the xDelete() call is returned.
+** This function invokes the xDelete method of the given VFS (or the
+** default VFS if pVfs is NULL), passing on the given filename. If
+** zName is NULL, no default VFS is found, or it has no xDelete
+** method, SQLITE_MISUSE is returned, else the result of the xDelete()
+** call is returned.
*/
SQLITE_WASM_KEEP
-int sqlite3_wasm_vfs_unlink(const char * zName){
+int sqlite3_wasm_vfs_unlink(sqlite3_vfs *pVfs, const char * zName){
int rc = SQLITE_MISUSE /* ??? */;
- sqlite3_vfs * const pVfs = sqlite3_vfs_find(0);
-#if defined(__EMSCRIPTEN__)
- emscripten_console_warn("sqlite3_wasm_vfs_unlink() will be removed.");
-#endif
+ if( 0==pVfs && 0!=zName ) pVfs = sqlite3_vfs_find(0);
if( zName && pVfs && pVfs->xDelete ){
rc = pVfs->xDelete(pVfs, zName, 1);
}
return rc;
}
+/*
+** This function is NOT part of the sqlite3 public API. It is strictly
+** for use by the sqlite project's own JS/WASM bindings.
+**
+** Returns a pointer to the given DB's VFS for the given DB name,
+** defaulting to "main" if zDbName is 0. Returns 0 if no db with the
+** given name is open.
+*/
+SQLITE_WASM_KEEP
+sqlite3_vfs * sqlite3_wasm_db_vfs(sqlite3 *pDb, const char *zDbName){
+ sqlite3_vfs * pVfs = 0;
+ sqlite3_file_control(pDb, zDbName ? zDbName : "main",
+ SQLITE_FCNTL_VFS_POINTER, &pVfs);
+ return pVfs;
+}
+
/*
** This function is NOT part of the sqlite3 public API. It is strictly
** for use by the sqlite project's own JS/WASM bindings.
const toss = (...args)=>{
throw new Error(args.join(' '));
};
- const fixmeOPFS = "(FIXME: won't work with vanilla OPFS.)";
+ const fixmeOPFS = "(FIXME: won't work with OPFS-over-sqlite3_vfs.)";
let sqlite3 /* gets assigned when the wasm module is loaded */;
self.onerror = function(/*message, source, lineno, colno, error*/) {
*/
sqlite3InitModule(fiddleModule).then((_sqlite3)=>{
sqlite3 = _sqlite3;
+ const dbVfs = sqlite3.capi.wasm.xWrap('fiddle_db_vfs', "*", ['string']);
fiddleModule.fsUnlink = (fn)=>{
- stderr("unlink:",fixmeOPFS);
- return sqlite3.capi.wasm.sqlite3_wasm_vfs_unlink(fn);
+ return sqlite3.capi.wasm.sqlite3_wasm_vfs_unlink(dbVfs(0), fn);
};
wMsg('fiddle-ready');
})/*then()*/;
const runSpeedtest = function(cliFlagsArray){
const scope = App.wasm.scopedAllocPush();
const dbFile = App.pDir+"/speedtest1.sqlite3";
- App.unlink(dbFile);
+ App.vfsUnlink(0, dbFile);
try{
const argv = [
"speedtest1.wasm", ...cliFlagsArray, dbFile
mPost('error',e.message);
}finally{
App.wasm.scopedAllocPop(scope);
- App.unlink(dbFile);
+ App.vfsUnlink(0, dbFile);
mPost('run-end', App.logBuffer.join('\n'));
App.logBuffer.length = 0;
}
};
self.sqlite3InitModule(EmscriptenModule).then((sqlite3)=>{
const S = sqlite3;
- const vfsUnlink = S.capi.wasm.xWrap("sqlite3_wasm_vfs_unlink", "int", ["string"]);
- App.unlink = function(fname){
- vfsUnlink(fname);
- if(S.opfs) S.opfs.deleteEntry(fname);
+ App.vfsUnlink = function(pDb, fname){
+ const pVfs = S.capi.wasm.sqlite3_wasm_db_vfs(pDb, fname||0);
+ if(pVfs) S.capi.wasm.sqlite3_wasm_vfs_unlink(pVfs, fname||0);
};
App.pDir = wasmfsDir(S.wasm);
App.wasm = S.capi.wasm;
-C Minor\sinternal\sJS\scleanups.
-D 2022-10-20T04:00:05.192
+C Rework\ssqlite3_wasm_vfs_unlink(),\sadd\ssqlite3_wasm_db_vfs(),\supdate\ssome\sdocs.
+D 2022-10-20T05:14:37.931
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-F ext/wasm/speedtest1-worker.js 3fce67c7d00c9fc42591835a2014520997630e51189f98ca47f706b55cdce8bc
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-P 7450a561f8577c3ee41f84074c6ef39e29e56876cab4fd763e6489c66f603223
-R c184bc0a2cb850b281d68afdc582ec08
+P 818ef0b5c909e733b643455278f7cc45533178f1cc6617058c00ed64fa44896a
+R 22a24d1afe390b6788cce5394d5651d5
U stephan
-Z 1e0d42d411be9deb413df9188b4a61c9
+Z 9c3f3340fe7a38ca23b0d884852c3c53
# Remove this line to create a well-formed Fossil manifest.
-818ef0b5c909e733b643455278f7cc45533178f1cc6617058c00ed64fa44896a
\ No newline at end of file
+cdd46858f0e63bc7bfce8e339b3db9efdec43b6443ee76563a847f53d0176831
\ No newline at end of file
/*
** Trivial exportable function for emscripten. It processes zSql as if
** it were input to the sqlite3 shell and redirects all output to the
-** wasm binding. If fiddle_main() has not been called by the time this
-** is called, this function calls it with a conservative set of
-** flags.
+** wasm binding. fiddle_main() must have been called before this
+** is called, or results are undefined.
*/
void fiddle_exec(const char * zSql){
if(zSql && *zSql){
projects / thirdparty / sqlite.git / commitdiff
