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Tom Lane ed0097e4f9 Add SQL-accessible functions for inspecting index AM properties. ... Per discussion, we should provide such functions to replace the lost ability to discover AM properties by inspecting pg_am (cf commit 65c5fcd35). The added functionality is also meant to displace any code that was looking directly at pg_index.indoption, since we'd rather not believe that the bit meanings in that field are part of any client API contract. As future-proofing, define the SQL API to not assume that properties that are currently AM-wide or index-wide will remain so unless they logically must be; instead, expose them only when inquiring about a specific index or even specific index column. Also provide the ability for an index AM to override the behavior. In passing, document pg_am.amtype, overlooked in commit 473b93287. Andrew Gierth, with kibitzing by me and others Discussion: <87mvl5on7n.fsf@news-spur.riddles.org.uk>		9 years ago
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brin	Add SQL-accessible functions for inspecting index AM properties.	9 years ago
common	pgindent run for 9.6	9 years ago
gin	Add SQL-accessible functions for inspecting index AM properties.	9 years ago
gist	Add SQL-accessible functions for inspecting index AM properties.	9 years ago
hash	Add SQL-accessible functions for inspecting index AM properties.	9 years ago
heap	Change InitToastSnapshot to a macro.	9 years ago
index	Add SQL-accessible functions for inspecting index AM properties.	9 years ago
nbtree	Add SQL-accessible functions for inspecting index AM properties.	9 years ago
rmgrdesc	Clear all-frozen visibilitymap status when locking tuples.	9 years ago
spgist	Add SQL-accessible functions for inspecting index AM properties.	9 years ago
tablesample	Update copyright for 2016	10 years ago
transam	Block interrupts during HandleParallelMessages().	9 years ago
Makefile	TABLESAMPLE, SQL Standard and extensible	10 years ago