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Add an optional argument to oo1.DB.transaction() to specify an explicit BEGIN qualifier.

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FossilOrigin-Name: 507335c12b1dbe21d180cf6f0a0deb4cc737417acb44c8f1d8fac98b86f62b01
This commit is contained in:
stephan
2022-12-27 11:40:05 +00:00
parent 84261bac96
commit c8f245ab5c
3 changed files with 25 additions and 9 deletions
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20
ext/wasm/api/sqlite3-api-oo1.js
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@ -1180,9 +1180,25 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
Note that transactions may not be nested, so this will throw if
it is called recursively. For nested transactions, use the
savepoint() method or manually manage SAVEPOINTs using exec().
If called with 2 arguments, the first must be a keyword which
is legal immediately after a BEGIN statement, e.g. one of
"DEFERRED", "IMMEDIATE", or "EXCLUSIVE". Though the exact list
of supported keywords is not hard-coded here, in order to be
future-compatible, if the argument does not look like a single
keyword then an exception is triggered with a description of
the problem.
*/
transaction: function(callback){
affirmDbOpen(this).exec("BEGIN");
transaction: function(/* [beginQualifier,] */callback){
let opener = 'BEGIN';
if(arguments.length>1){
if(/[^a-zA-Z]/.test(arguments[0])){
toss3(capi.SQLITE_MISUSE, "Invalid argument for BEGIN qualifier.");
}
opener += ' '+arguments[0];
callback = arguments[1];
}
affirmDbOpen(this).exec(opener);
try {
const rc = callback(this);
this.exec("COMMIT");