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Commit fb70587c authored by Marc G. Fournier's avatar Marc G. Fournier
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Patch from Massimo Dal Zotto <dz@cs.unitn.it>

The following patches add to the backend a new debugging flag -K which prints
a debug trace of all locking operations on user relations (those with oid
greater than 20000). The code is compiled only if LOCK_MGR_DEBUG is defined,
so the patch should be harmless if not explicitly enabled.
I'm using the code to trace deadlock conditions caused by application queries
using the command "$POSTMASTER -D $PGDATA -o '-d 1 -K 1'.
The patches are for version 6.0 dated 970126.
parent ba82bb3e
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