pgsql: Doc: explicitly point out that enum values can't be dropped.

Started by Tom Laneover 8 years ago1 messagescomitters
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#1Tom Lane
tgl@sss.pgh.pa.us

Doc: explicitly point out that enum values can't be dropped.

This was not stated in so many words anywhere. Document it to make
clear that it's a design limitation and not just an oversight or
documentation omission.

Discussion: /messages/by-id/152089733343.1222.6927268289645380498@wrigleys.postgresql.org

Branch
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REL9_4_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/21c90dfcf8305d214d052fa0f36f2d7359bbd698

Modified Files
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doc/src/sgml/datatype.sgml | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)