pgsql: Expand warnings on locks acquired by CREATE INDEX CONCURRENTLY

Expand warnings on locks acquired by CREATE INDEX CONCURRENTLY

The previous wording wasn't explicit enough, which could misled readers
into thinking that the locks acquired are more restricted in nature than
they really are.  The resulting optimism can be damaging to morale when
confronted with reality, as has been observed in the field.

Greg Smith

Branch
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REL9_1_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/9adda3e125642f41f256d1ed6adfe810b508e046

Modified Files
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doc/src/sgml/ref/create_index.sgml |   11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)