[Webkit-unassigned] [Bug 89379] New: IndexedDB: Implement IDBTransaction internal active flag

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=89379

           Summary: IndexedDB: Implement IDBTransaction internal active
                    flag
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jsbell at chromium.org
                CC: dgrogan at chromium.org, jsbell at chromium.org,
                    alecflett at chromium.org


The IDB spec http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html says:

Transaction lifecycle:
"Transactions have an active flag, which determines if new requests can be made against the transaction."
"When a transaction is created its active flag is initially set to true." - i.e. right after the db.transaction() call
"The implementation must allow requests to be placed against the transaction whenever the active flag is true."
"Requests may be placed against a transaction only while that transaction is active. If an attempt is made to place a request against a transaction when that transaction is not active, the implementation must reject the attempt by throwing a DOMException of type TransactionInactiveError."

Version changes:
"This transaction will be active inside the onupgradeneeded event handler, allowing the creation of new object stores and indexes."

Abort:
"Otherwise this method sets the transaction's active flag to false..."

Transaction creation:
"When control is returned to the event loop, the implementation must set the active flag to false."

Firing events:
...
"Set the active flag of transaction to true."
...
"Set the active flag of transaction to false."
...

Right now we don't have a notion of non-active transaction - until it is |finished| we allow requests to be placed against it.

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