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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.

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FossilOrigin-Name: 86a341d7e061f946b39e8647ddd4743013b851b33ae9e6e755d8dbc53fba5286
This commit is contained in:
stephan
2022-11-01 07:49:49 +00:00
parent c7dd9b60eb
commit 49048b148e
14 changed files with 341 additions and 106 deletions
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21
ext/wasm/api/sqlite3-api-prologue.js
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@ -1187,14 +1187,15 @@ self.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
}
/**
Given an `sqlite3*`, an sqlite3_vfs name, and an optional db
name, returns a truthy value (see below) if that db handle uses
that VFS, else returns false. If pDb is falsy then the 3rd
argument is ignored and this function returns a truthy value if
the default VFS name matches that of the 2nd argument. Results
are undefined if pDb is truthy but refers to an invalid
pointer. The 3rd argument specifies the database name of the
given database connection to check, defaulting to the main db.
Given an `sqlite3*`, an sqlite3_vfs name, and an optional db name
(defaulting to "main"), returns a truthy value (see below) if
that db uses that VFS, else returns false. If pDb is falsy then
the 3rd argument is ignored and this function returns a truthy
value if the default VFS name matches that of the 2nd
argument. Results are undefined if pDb is truthy but refers to an
invalid pointer. The 3rd argument specifies the database name of
the given database connection to check, defaulting to the main
db.
The 2nd and 3rd arguments may either be a JS string or a WASM
C-string. If the 2nd argument is a NULL WASM pointer, the default
@ -1209,14 +1210,14 @@ self.sqlite3ApiBootstrap = function sqlite3ApiBootstrap(
bad arguments cause a conversion error when passing into
wasm-space, false is returned.
*/
capi.sqlite3_js_db_uses_vfs = function(pDb,vfsName,dbName="main"){
capi.sqlite3_js_db_uses_vfs = function(pDb,vfsName,dbName=0){
try{
const pK = capi.sqlite3_vfs_find(vfsName);
if(!pK) return false;
else if(!pDb){
return pK===capi.sqlite3_vfs_find(0) ? pK : false;
}else{
return pK===capi.sqlite3_js_db_vfs(pDb) ? pK : false;
return pK===capi.sqlite3_js_db_vfs(pDb,dbName) ? pK : false;
}
}catch(e){
/* Ignore - probably bad args to a wasm-bound function. */