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Mention new =NULL change in Migration section.
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HISTORY
11
HISTORY
@ -37,9 +37,14 @@ several languages.
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Migration to 7.2
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Migration to 7.2
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A dump/restore using pg_dump is required for those wishing to migrate
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A dump/restore using pg_dump is required for those wishing to migrate
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data from any previous release. The SELECT ... LIMIT 10,20 syntax will
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data from any previous release. In this release, comparisons using "=
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be removed in 7.3. You should change your queries to use LIMIT 10
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NULL" will always return false. Previous releases automatically
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OFFSET 20. Also, pg_hba.conf only loads on SIGHUP now.
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transformed this syntax to "IS NULL", which is the standards-
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compliant way to do NULL comparisons. The old behavior can be
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re-enabled using a postgresql.conf parameter. The SELECT ... LIMIT
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#,# syntax will be removed in 7.3. You should change your queries to
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use separate LIMIT and OFFSET clauses, e.g. LIMIT 10 OFFSET 20. Also,
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pg_hba.conf now only loads on SIGHUP.
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