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ALTER TABLE ... ALTER COLUMN ... DROP EXPRESSION

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Add an ALTER TABLE subcommand for dropping the generated property from
a column, per SQL standard.

Reviewed-by: Sergei Kornilov <sk@zsrv.org>
Discussion: https://www.postgresql.org/message-id/flat/2f7f1d9c-946e-0453-d841-4f38eb9d69b6%402ndquadrant.com
This commit is contained in:
Peter Eisentraut
2020-01-14 13:09:31 +01:00
parent d751ba5235
commit f595117e24
9 changed files with 326 additions and 4 deletions
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src/include/parser/kwlist.h
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@@ -155,6 +155,7 @@ PG_KEYWORD("exclusive", EXCLUSIVE, UNRESERVED_KEYWORD)
PG_KEYWORD("execute", EXECUTE, UNRESERVED_KEYWORD)
PG_KEYWORD("exists", EXISTS, COL_NAME_KEYWORD)
PG_KEYWORD("explain", EXPLAIN, UNRESERVED_KEYWORD)
PG_KEYWORD("expression", EXPRESSION, UNRESERVED_KEYWORD)
PG_KEYWORD("extension", EXTENSION, UNRESERVED_KEYWORD)
PG_KEYWORD("external", EXTERNAL, UNRESERVED_KEYWORD)
PG_KEYWORD("extract", EXTRACT, COL_NAME_KEYWORD)