Обсуждение: pgsql: Information schema views for collation support

Information schema views for collation support

Add the views character_sets, collations, and
collation_character_set_applicability.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/2e2d56fea97f43cf8c40a87143bc10356e4ed4d4

Modified Files
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doc/src/sgml/information_schema.sgml       |  251 ++++++++++++++++++++++++++++
src/backend/catalog/information_schema.sql |   43 +++++-
src/include/catalog/catversion.h           |    2 +-
3 files changed, 292 insertions(+), 4 deletions(-)