Обсуждение: pgsql: Implement information schema interval_type columns

Implement information schema interval_type columns

Also correct reporting of interval precision when field restrictions
are specified in the typmod.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/0527a454ec1801358a1f6d873ae48dcc89a217cf

Modified Files
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doc/src/sgml/information_schema.sgml       |   30 +++++++++++++++++++++++++--
src/backend/catalog/information_schema.sql |   28 ++++++++++++++++++++++---
2 files changed, 51 insertions(+), 7 deletions(-)