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Remove obsolete information schema tables

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Remove SQL_LANGUAGES, which was eliminated in SQL:2008, and
SQL_PACKAGES and SQL_SIZING_PROFILES, which were eliminated in
SQL:2011.  Since they were dropped by the SQL standard, the
information in them was no longer updated and therefore no longer
useful.

This also removes the feature-package association information in
sql_feature_packages.txt, but for the time begin we are keeping the
information which features are in the Core package (that is, mandatory
SQL features).  Maybe at some point someone wants to invent a way to
store that that does not involve using the "package" mechanism
anymore.

Discussion https://www.postgresql.org/message-id/flat/91334220-7900-071b-9327-0c6ecd012017%402ndquadrant.com
This commit is contained in:
Peter Eisentraut
2019-10-25 21:11:48 +02:00
parent 592a16321b
commit 2fc2a88e67
7 changed files with 4 additions and 329 deletions
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4
src/backend/catalog/sql_features.txt
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@@ -285,11 +285,7 @@ F492 Optional table constraint enforcement NO
F501 Features and conformance views YES
F501 Features and conformance views 01 SQL_FEATURES view YES
F501 Features and conformance views 02 SQL_SIZING view YES
F501 Features and conformance views 03 SQL_LANGUAGES view YES
F502 Enhanced documentation tables YES
F502 Enhanced documentation tables 01 SQL_SIZING_PROFILES view YES
F502 Enhanced documentation tables 02 SQL_IMPLEMENTATION_INFO view YES
F502 Enhanced documentation tables 03 SQL_PACKAGES view YES
F521 Assertions NO
F531 Temporary tables YES
F555 Enhanced seconds precision YES