granularity of locking

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От Jenny -
Тема granularity of locking
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Msg-id BAY1-F1077XIA9vkJbT00018196@hotmail.com
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what determines what level of locking(table level, page level or row level) 
an object is locked in?
how do we determine from postgresql  code what level a object is locked in?
Iam working on a project where i have to display the locks information of 
all the transactions that have acquired locks in postgresql  and i also have 
to display that granularity(table level, page level, row level)on the locks 
acquired by these transactions on objects.Which part of postgresql code 
gives this information.?
thanks
Jenny

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