Add views and functions to monitor hot standby query conflicts
Add the view pg_stat_database_conflicts and a column to pg_stat_database, and the underlying functions to provide the information.
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- doc/src/sgml/high-availability.sgml 7 additions, 0 deletionsdoc/src/sgml/high-availability.sgml
- doc/src/sgml/monitoring.sgml 53 additions, 1 deletiondoc/src/sgml/monitoring.sgml
- src/backend/catalog/system_views.sql 13 additions, 1 deletionsrc/backend/catalog/system_views.sql
- src/backend/postmaster/pgstat.c 69 additions, 0 deletionssrc/backend/postmaster/pgstat.c
- src/backend/tcop/postgres.c 7 additions, 0 deletionssrc/backend/tcop/postgres.c
- src/backend/utils/adt/pgstatfuncs.c 101 additions, 0 deletionssrc/backend/utils/adt/pgstatfuncs.c
- src/include/catalog/pg_proc.h 12 additions, 0 deletionssrc/include/catalog/pg_proc.h
- src/include/pgstat.h 22 additions, 1 deletionsrc/include/pgstat.h
- src/test/regress/expected/rules.out 3 additions, 2 deletionssrc/test/regress/expected/rules.out
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