Обсуждение: pgsql: Tweak row-level locking documentation

Tweak row-level locking documentation

Move the meat of locking levels to mvcc.sgml, leaving only a link to it
in the SELECT reference page.

Michael Paquier, with some tweaks by Álvaro

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/35fed51626328a3ff54adae4749bef956e1e1099

Modified Files
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doc/src/sgml/mvcc.sgml       |  173 ++++++++++++++++++++++++++++++++++++------
doc/src/sgml/ref/select.sgml |   60 +--------------
2 files changed, 153 insertions(+), 80 deletions(-)