pgsql: Allow new values to be added to an existing enum type.
| От | Tom Lane |
|---|---|
| Тема | pgsql: Allow new values to be added to an existing enum type. |
| Дата | |
| Msg-id | E1PADO9-0003ND-NU@gemulon.postgresql.org обсуждение исходный текст |
| Список | pgsql-committers |
Allow new values to be added to an existing enum type. After much expenditure of effort, we've got this to the point where the performance penalty is pretty minimal in typical cases. Andrew Dunstan, reviewed by Brendan Jurd, Dean Rasheed, and Tom Lane Branch ------ master Details ------- http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=84c123be1de8a9955741e20c9f945571e40c545e Modified Files -------------- contrib/pg_upgrade/function.c | 2 +- contrib/pg_upgrade_support/pg_upgrade_support.c | 19 +- doc/src/sgml/catalogs.sgml | 34 ++- doc/src/sgml/ref/alter_type.sgml | 67 ++++- src/backend/catalog/pg_enum.c | 402 +++++++++++++++++++++-- src/backend/commands/typecmds.c | 73 ++++- src/backend/nodes/copyfuncs.c | 16 + src/backend/nodes/equalfuncs.c | 14 + src/backend/parser/gram.y | 41 +++- src/backend/tcop/utility.c | 19 + src/backend/utils/adt/enum.c | 259 ++++++++++----- src/backend/utils/cache/typcache.c | 322 ++++++++++++++++++ src/bin/pg_dump/pg_dump.c | 33 ++- src/bin/psql/describe.c | 14 +- src/include/catalog/catversion.h | 2 +- src/include/catalog/indexing.h | 2 + src/include/catalog/pg_enum.h | 11 +- src/include/commands/typecmds.h | 1 + src/include/nodes/nodes.h | 1 + src/include/nodes/parsenodes.h | 12 + src/include/utils/typcache.h | 11 + src/test/regress/expected/enum.out | 153 +++++++++- src/test/regress/sql/enum.sql | 86 +++++ 23 files changed, 1423 insertions(+), 171 deletions(-)
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