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@ -1,9 +1,9 @@ |
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<!-- doc/src/sgml/release-9.1.sgml --> |
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<!-- This is up-to-date with commits through 2010-10-29 --> |
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<!-- This is up-to-date with commits through 2010-12-23 --> |
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<sect1 id="release-9-1-alpha"> |
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<title>Release 9.1alpha2</title> |
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<title>Release 9.1alpha3</title> |
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<sect2> |
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<title>Overview</title> |
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<para> |
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@ -72,13 +72,48 @@ |
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<listitem> |
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<para> |
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<emphasis>Add ALTER TYPE ... ADD/DROP/ALTER/RENAME ATTRIBUTE</emphasis> |
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<emphasis>Add ALTER ... SET SCHEMA support for conversions, |
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operators, operator classes, operator families, text search |
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configurations, text search dictionaries, text search |
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parsers, and text search templates</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Support triggers on views</emphasis> |
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<emphasis>Make TRUNCATE ... RESTART IDENTITY restart |
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sequences transactionally</emphasis> |
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</para> |
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<para> |
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Previously, the sequence restart did not roll back on error. |
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This meant that an error between truncating and committing |
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left the sequences out of sync with the table contents, with |
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potentially bad consequences as were noted in a Warning on |
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the TRUNCATE man page. |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Prevent invoking I/O conversion casts via |
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functional/attribute notation</emphasis> |
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</para> |
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<para> |
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This was found to be confusing in some cases. The |
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functionality is still available via cast syntax. |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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Add ALTER TYPE ... ADD/DROP/ALTER/RENAME ATTRIBUTE |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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Support triggers on views |
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</para> |
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<para> |
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@ -94,8 +129,8 @@ |
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<listitem> |
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<para> |
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<emphasis>Allow WITH clauses to be attached to INSERT, UPDATE, DELETE |
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statements</emphasis> |
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Allow WITH clauses to be attached to INSERT, UPDATE, DELETE |
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statements |
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</para> |
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<para> |
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@ -107,7 +142,7 @@ |
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<listitem> |
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<para> |
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<emphasis>Allow new values to be added to an existing enum type</emphasis> |
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Allow new values to be added to an existing enum type |
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</para> |
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</listitem> |
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@ -137,8 +172,35 @@ |
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<listitem> |
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<para> |
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<emphasis>Support MergeAppend plans, to allow sorted output |
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from append relations</emphasis> |
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<emphasis>Optimize the commit_siblings configuration parameter</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>KNN GiST, otherwise known as order-by-operator support for GiST</emphasis> |
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</para> |
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<para> |
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This can be used to optimize nearest-neighbor searches. |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Improve process shutdown speed</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Speed up conversion of signed integers to C strings</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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Support MergeAppend plans, to allow sorted output |
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from append relations |
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</para> |
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<para> |
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@ -151,26 +213,26 @@ |
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<listitem> |
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<para> |
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<emphasis>Reduce the memory requirement for large ispell dictionaries</emphasis> |
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Reduce the memory requirement for large ispell dictionaries |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Teach CLUSTER to use seqscan-and-sort when it's faster than |
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indexscan</emphasis> |
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Teach CLUSTER to use seqscan-and-sort when it's faster than |
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indexscan |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Improve GIN indexscan cost estimation</emphasis> |
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Improve GIN indexscan cost estimation |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Performance improvements in pg_upgrade for uses with many tables</emphasis> |
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Performance improvements in pg_upgrade for uses with many tables |
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</para> |
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</listitem> |
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@ -245,16 +307,44 @@ |
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<listitem> |
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<para> |
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<emphasis>Allow pg_ctl to register the service in either AUTO or DEMAND start |
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type</emphasis> |
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<emphasis>Instrument checkpoint sync calls</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Use the same lexer for recovery.conf that has been used for postgresql.conf</emphasis> |
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</para> |
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<para> |
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Among other things, this allows values in recovery.conf to be unquoted. |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Add column buffers_backend_fsync to pg_stat_bgwriter</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Add monitoring function pg_last_xact_replay_timestamp()</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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Allow pg_ctl to register the service in either AUTO or DEMAND start |
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type |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Support host names and host key |
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Support host names and host key |
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word <literal>all</literal> |
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in <filename>pg_hba.conf</filename></emphasis> |
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in <filename>pg_hba.conf</filename> |
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</para> |
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</listitem> |
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@ -294,7 +384,7 @@ |
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<listitem> |
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<para> |
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<emphasis>Add SECURITY LABEL command</emphasis> |
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Add SECURITY LABEL command |
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</para> |
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<para> |
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This is intended as infrastructure to support integration |
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@ -323,10 +413,30 @@ |
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<listitem> |
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<para> |
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<emphasis>Accept <literal>public</literal> as a pseudo-role |
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<emphasis>Add pg_read_binary_file() and whole-file-at-once |
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versions of pg_read_file()</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Add new function format(), for sprintf-like string formatting</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Add pg_describe_object() function to obtain textual |
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descriptions of objects as stored in pg_depend</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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Accept <literal>public</literal> as a pseudo-role |
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name in <literal>has_table_privilege()</literal> and friends |
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to see if a particular privilege has been granted to |
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<literal>PUBLIC</literal></emphasis> |
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<literal>PUBLIC</literal> |
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</para> |
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</listitem> |
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@ -416,6 +526,15 @@ |
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<title>psql</title> |
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<itemizedlist> |
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<listitem> |
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<para> |
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<emphasis>Add <quote>S</quote> option to \dn command in psql</emphasis> |
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</para> |
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<para> |
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System schemas are now hidden by default by \dn. |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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Add \conninfo command to psql, to show current connection |
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</itemizedlist> |
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</sect3> |
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<sect3> |
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<title>libpq</title> |
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<itemizedlist> |
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<listitem> |
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<para> |
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<emphasis>Add PQlibVersion() function</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>When reporting the server as not responding, if the |
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hostname was supplied, also print the IP address</emphasis> |
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</para> |
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<para> |
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This allows IPv4 and IPv6 failures to be distinguished. Also |
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useful when a hostname resolves to multiple IP addresses. |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Add functions PQping and PQpingParams to allow |
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detection of the server's status, including a status where |
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the server is running but refuses ordinary connections</emphasis> |
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</para> |
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<para> |
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pg_ctl uses the new function. This fixes the case where |
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pg_ctl reports that the server is not running (cannot |
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connect) but in fact it is running. |
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</para> |
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</listitem> |
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</itemizedlist> |
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</sect3> |
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<sect3> |
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<title>Procedural Languages</title> |
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<sect4> |
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@ -496,7 +651,7 @@ |
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<itemizedlist> |
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<listitem> |
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<para> |
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<emphasis>Allow generic record arguments to PL/Perl functions</emphasis> |
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Allow generic record arguments to PL/Perl functions |
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</para> |
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</listitem> |
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</itemizedlist> |
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@ -508,7 +663,13 @@ |
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<listitem> |
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<para> |
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<emphasis>Updates to contrib/isn ISBN tables</emphasis> |
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<emphasis>New module contrib/auth_delay</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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Updates to contrib/isn ISBN tables |
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</para> |
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</listitem> |
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@ -554,6 +715,44 @@ |
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<title>Source Code, Build Options</title> |
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<itemizedlist> |
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<listitem> |
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<para> |
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<emphasis>Rewrite the GiST insertion logic so that the |
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post-recovery cleanup stage to finish incomplete inserts or |
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splits is not needed anymore</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Add support for collecting |
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<quote>minidump</quote>-style crash dumps on |
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Windows</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Replace pg_class.relistemp column with relpersistence</emphasis> |
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</para> |
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<para> |
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This is for upcoming work on unlogged and global temporary tables. |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>GNU make 3.80 or newer is now required</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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<emphasis>Improved support for parallel make, make -k, and make -q</emphasis> |
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</para> |
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</listitem> |
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<listitem> |
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<para> |
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Include the backend ID in the relpath of temporary |
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Peter Eisentraut
15 years ago