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Add CHECK_FOR_INTERRUPTS() to the repeat() function

Joe Conway <mail@joeconway.com>

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Commit: 3ccae5445cc82ce93c660a2b21a244a51dbe30a6
Author: Joe Conway <mail@joeconway.com>
Date: 2020-05-28T17:19:10Z
Releases: 12.4 
Add CHECK_FOR_INTERRUPTS() to the repeat() function

The repeat() function loops for potentially a long time without
ever checking for interrupts. This prevents, for example, a query
cancel from interrupting until the work is all done. Fix by
inserting a CHECK_FOR_INTERRUPTS() into the loop.

Backpatch to all supported versions.

Discussion: https://www.postgresql.org/message-id/flat/8692553c-7fe8-17d9-cbc1-7cddb758f4c6%40joeconway.com

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src/backend/utils/adt/oracle_compat.c modified +2 −1

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