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get_attavgwidth_hook

get_attavgwidth_hook is a hook for controlling an algorithm for predicting the average width of entries in the column.

get_attavgwidth_hook was added in PostgreSQL 8.4 (commit 7b7df9f0).

Source code

• src/include/utils/lsyscache.h
• src/backend/utils/cache/lsyscache.c

Change history

• PostgreSQL 8.4
  • added (commit 7b7df9f0)

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