I want to lock a certain table within a transaction.
If I have another transaction locking the same table, I don't want it to wait
until the first transaction has finished. I want to get an error so that the
second transaction will be aborted.
In oracle there is an option 'nowait' for table locking, which provides this
functionality.
Is there a way to get this functionality in postgresql or can I query locked
tables?
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