Hi all, Just wanted to know how postgres handles semaphores. Was hoping that i can can use the locks defined in lwlock.h and lwlock.c . If i create a new lock and then use LockAcquire and LockRelease when I want a process to start and stop will this work?
Nailah
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
