Tom Lane 99175141c9 Improve common/logging.c's support for multiple verbosity levels. ... Instead of hard-wiring specific verbosity levels into the option processing of client applications, invent pg_logging_increase_verbosity() and encourage clients to implement --verbose by calling that. Then, the common convention that more -v's gets you more verbosity just works. In particular, this allows resurrection of the debug-grade messages that have long existed in pg_dump and its siblings. They were unreachable before this commit due to lack of a way to select PG_LOG_DEBUG logging level. (It appears that they may have been unreachable for some time before common/logging.c was introduced, too, so I'm not specifically blaming cc8d41511 for the oversight. One reason for thinking that is that it's now apparent that _allocAH()'s message needs a null-pointer guard. Testing might have failed to reveal that before 96bf88d52.) Discussion: https://postgr.es/m/1173106.1600116625@sss.pgh.pa.us		2020-09-17 12:52:18 -04:00
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src	Improve common/logging.c's support for multiple verbosity levels.	2020-09-17 12:52:18 -04:00
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