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@ -1,87 +1,83 @@ |
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<!-- |
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$Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.49.2.5 2000/06/05 10:59:16 momjian Exp $ |
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$Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.49.2.6 2000/06/14 13:18:59 thomas Exp $ |
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--> |
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<chapter id="release"> |
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<title>Release Notes</title> |
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<sect1> |
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<title>Release 7.0.2</title> |
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<!-- |
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<docinfo> |
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<authorgroup> |
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<author> |
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<firstname>Bruce</firstname> |
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<surname>Momjian</surname> |
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</author> |
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</authorgroup> |
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<date>2000-06-05</date> |
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</docinfo> |
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--> |
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<sect1> |
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<title>Release 7.0.2</title> |
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<!-- |
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<docinfo> |
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<authorgroup> |
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<author> |
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<firstname>Bruce</firstname> |
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<surname>Momjian</surname> |
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</author> |
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</authorgroup> |
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<date>2000-06-05</date> |
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</docinfo> |
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--> |
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<para> |
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2000-06-05 |
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</para> |
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<para> |
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This is a repackaging of 7.0.1 with added documentation. |
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</para> |
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<para> |
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Release date 2000-06-05. This is a repackaging of 7.0.1 with added documentation. |
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</para> |
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<sect2> |
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<title>Migration to v7.0.2</title> |
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<sect2> |
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<title>Migration to v7.0.2</title> |
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<para> |
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A dump/restore is <emphasis>not</emphasis> required for those running |
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7.*. |
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</para> |
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</sect2> |
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<sect2> |
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<title>Changes</title> |
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<para> |
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A dump/restore is <emphasis>not</emphasis> required for those running |
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v7.*. |
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</para> |
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</sect2> |
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<para> |
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<programlisting> |
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<sect2> |
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<title>Changes</title> |
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<para> |
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<programlisting> |
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Added documentation to tarball. |
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</programlisting> |
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</para> |
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</sect2> |
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</sect1> |
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</programlisting> |
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</para> |
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</sect2> |
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</sect1> |
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<sect1> |
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<title>Release 7.0.1</title> |
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<!-- |
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<docinfo> |
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<authorgroup> |
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<author> |
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<firstname>Bruce</firstname> |
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<surname>Momjian</surname> |
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</author> |
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</authorgroup> |
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<date>2000-06-01</date> |
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</docinfo> |
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--> |
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<sect1> |
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<title>Release 7.0.1</title> |
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<!-- |
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<docinfo> |
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<authorgroup> |
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<author> |
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<firstname>Bruce</firstname> |
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<surname>Momjian</surname> |
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</author> |
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</authorgroup> |
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<date>2000-06-01</date> |
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</docinfo> |
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--> |
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<para> |
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2000-06-01 |
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</para> |
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<para> |
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This is basically a cleanup release for 7.0. |
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</para> |
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<para> |
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Release date 2000-06-01. |
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This is a cleanup release for 7.0. |
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</para> |
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<sect2> |
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<title>Migration to v7.0.1</title> |
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<sect2> |
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<title>Migration to v7.0.1</title> |
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<para> |
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A dump/restore is <emphasis>not</emphasis> required for those running |
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v7.0. |
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</para> |
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</sect2> |
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<para> |
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A dump/restore is <emphasis>not</emphasis> required for those running |
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7.0. |
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</para> |
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</sect2> |
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<sect2> |
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<title>Changes</title> |
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<sect2> |
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<title>Changes</title> |
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<para> |
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<programlisting> |
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<para> |
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<programlisting> |
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Fix many CLUSTER failures (Tom) |
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Allow ALTER TABLE RENAME works on indexes (Tom) |
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Fix plpgsql to handle datetime->timestamp and timespan->interval (Bruce) |
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@ -106,11 +102,10 @@ Fix too long syslog message (Tatsuo) |
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Fix problem with quoted indexes that are too long (Tom) |
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JDBC ResultSet.getTimestamp() fix (Gregory Krasnow & Floyd Marinescu) |
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ecpg changes (Michael) |
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</programlisting> |
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</para> |
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</sect2> |
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</sect1> |
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</programlisting> |
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</para> |
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</sect2> |
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</sect1> |
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<sect1> |
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<title>Release 7.0</title> |
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@ -126,9 +121,7 @@ ecpg changes (Michael) |
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</docinfo> |
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--> |
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<para> |
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2000-05-08 |
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</para> |
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<para> |
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Released 2000-05-08. |
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This release contains improvements in many areas, demonstrating |
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the continued growth of <productname>PostgreSQL</productname>. |
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There are more improvements and fixes in 7.0 than in any previous |
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@ -287,6 +280,8 @@ Ack! This isn't yet in the code?? - thomas 2000-04-30 |
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</sect2> |
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<sect2> |
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<title>Changes</title> |
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<para> |
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<programlisting> |
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Bug Fixes |
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@ -611,87 +606,84 @@ New multibyte encodings |
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</sect2> |
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</sect1> |
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<sect1> |
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<title>Release 6.5.3</title> |
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<!-- |
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<docinfo> |
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<authorgroup> |
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<author> |
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<firstname>Bruce</firstname> |
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<surname>Momjian</surname> |
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</author> |
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</authorgroup> |
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<date>1999-10-13</date> |
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</docinfo> |
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--> |
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<sect1> |
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<title>Release 6.5.3</title> |
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<!-- |
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<docinfo> |
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<authorgroup> |
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<author> |
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<firstname>Bruce</firstname> |
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<surname>Momjian</surname> |
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</author> |
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</authorgroup> |
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<date>1999-10-13</date> |
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</docinfo> |
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--> |
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<para> |
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1999-10-13 |
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</para> |
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<para> |
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This is basically a cleanup release for 6.5.2. We have added a new |
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pgaccess that was missing in 6.5.2, and installed an NT-specific fix. |
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</para> |
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<para> |
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Released 1999-10-13. |
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This is basically a cleanup release for 6.5.2. We have added a new |
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pgaccess that was missing in 6.5.2, and installed an NT-specific fix. |
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</para> |
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<sect2> |
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<title>Migration to v6.5.3</title> |
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<sect2> |
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<title>Migration to v6.5.3</title> |
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<para> |
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A dump/restore is <emphasis>not</emphasis> required for those running |
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6.5.*. |
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</para> |
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</sect2> |
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<sect2> |
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<title>Changes</title> |
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<para> |
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A dump/restore is <emphasis>not</emphasis> required for those running |
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6.5.*. |
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</para> |
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</sect2> |
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<sect2> |
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<title>Changes</title> |
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<para> |
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<programlisting> |
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<para> |
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<programlisting> |
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Updated version of pgaccess 0.98 |
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NT-specific patch |
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Fix dumping rules on inherited tables |
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</programlisting> |
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</para> |
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</sect2> |
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</sect1> |
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</programlisting> |
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</para> |
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</sect2> |
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</sect1> |
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<sect1> |
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<title>Release 6.5.2</title> |
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<!-- |
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<docinfo> |
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<authorgroup> |
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<author> |
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<firstname>Bruce</firstname> |
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<surname>Momjian</surname> |
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</author> |
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</authorgroup> |
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<date>1999-09-15</date> |
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</docinfo> |
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--> |
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<sect1> |
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<title>Release 6.5.2</title> |
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<!-- |
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<docinfo> |
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<authorgroup> |
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<author> |
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<firstname>Bruce</firstname> |
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<surname>Momjian</surname> |
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</author> |
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</authorgroup> |
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<date>1999-09-15</date> |
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</docinfo> |
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--> |
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<para> |
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1999-09-15 |
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</para> |
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<para> |
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This is basically a cleanup release for 6.5.1. We have fixed a variety of |
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problems reported by 6.5.1 users. |
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</para> |
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<para> |
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Released 1999-09-15. |
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This is basically a cleanup release for 6.5.1. We have fixed a variety of |
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problems reported by 6.5.1 users. |
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</para> |
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<sect2> |
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<title>Migration to v6.5.2</title> |
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<sect2> |
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<title>Migration to v6.5.2</title> |
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<para> |
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A dump/restore is <emphasis>not</emphasis> required for those running |
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6.5.*. |
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</para> |
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</sect2> |
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<sect2> |
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<title>Changes</title> |
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<para> |
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A dump/restore is <emphasis>not</emphasis> required for those running |
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6.5.*. |
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</para> |
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</sect2> |
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<para> |
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<programlisting> |
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<sect2> |
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<title>Changes</title> |
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<para> |
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<programlisting> |
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subselect+CASE fixes(Tom) |
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Add SHLIB_LINK setting for solaris_i386 and solaris_sparc ports(Daren Sefcik) |
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Fixes for CASE in WHERE join clauses(Tom) |
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@ -716,48 +708,47 @@ Repair logic error in LIKE: should not return LIKE_ABORT |
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when reach end of pattern before end of text(Tom) |
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Repair incorrect cleanup of heap memory allocation during transaction abort(Tom) |
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Updated version of pgaccess 0.98 |
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</programlisting> |
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</para> |
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</sect2> |
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</sect1> |
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</programlisting> |
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</para> |
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</sect2> |
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</sect1> |
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<sect1> |
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<title>Release 6.5.1</title> |
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<!-- |
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<docinfo> |
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<authorgroup> |
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<author> |
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<firstname>Bruce</firstname> |
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<surname>Momjian</surname> |
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</author> |
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</authorgroup> |
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<date>1999-07-15</date> |
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</docinfo> |
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--> |
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<sect1> |
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<title>Release 6.5.1</title> |
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<!-- |
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<docinfo> |
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<authorgroup> |
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<author> |
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|
<firstname>Bruce</firstname> |
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<surname>Momjian</surname> |
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</author> |
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</authorgroup> |
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<date>1999-07-15</date> |
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</docinfo> |
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--> |
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<para> |
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|
1999-07-15 |
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|
</para> |
|
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|
<para> |
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|
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|
This is basically a cleanup release for 6.5. We have fixed a variety of |
|
|
|
|
problems reported by 6.5 users. |
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|
|
</para> |
|
|
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|
<para> |
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|
Released 1999-07-15. |
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|
</para> |
|
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|
<para> |
|
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|
|
This is basically a cleanup release for 6.5. We have fixed a variety of |
|
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|
problems reported by 6.5 users. |
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|
</para> |
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|
|
<sect2> |
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|
<title>Migration to v6.5.1</title> |
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|
<sect2> |
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|
<title>Migration to v6.5.1</title> |
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|
<para> |
|
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|
|
A dump/restore is <emphasis>not</emphasis> required for those running |
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|
6.5. |
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|
</para> |
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|
|
</sect2> |
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|
<para> |
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|
|
A dump/restore is <emphasis>not</emphasis> required for those running |
|
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|
|
6.5. |
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|
</para> |
|
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|
|
</sect2> |
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|
<sect2> |
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|
<title>Changes</title> |
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|
<sect2> |
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|
|
<title>Changes</title> |
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|
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|
<para> |
|
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|
|
<programlisting> |
|
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|
<para> |
|
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|
<programlisting> |
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|
|
|
Add NT README file |
|
|
|
|
Portability fixes for linux_ppc, Irix, linux_alpha, OpenBSD, alpha |
|
|
|
|
Remove QUERY_LIMIT, use SELECT...LIMIT |
|
|
|
|
@ -781,30 +772,27 @@ Shared library dependencies fixed (Tom) |
|
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|
|
Fixed glitches affecting GROUP BY in subselects(Tom) |
|
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|
|
Fix some compiler warnings (Tomoaki Nishiyama) |
|
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|
|
Add Win1250 (Czech) support (Pavel Behal) |
|
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|
</programlisting> |
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|
</para> |
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|
</sect2> |
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</sect1> |
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|
</programlisting> |
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</para> |
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</sect2> |
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|
</sect1> |
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|
<sect1> |
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|
<title>Release 6.5</title> |
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|
<!-- |
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|
|
<docinfo> |
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|
<authorgroup> |
|
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|
|
<author> |
|
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|
|
<firstname>Bruce</firstname> |
|
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|
|
<surname>Momjian</surname> |
|
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|
|
</author> |
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|
</authorgroup> |
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<date>1999-06-09</date> |
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|
</docinfo> |
|
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|
--> |
|
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|
|
<sect1> |
|
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|
<title>Release 6.5</title> |
|
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|
|
<!-- |
|
|
|
|
<docinfo> |
|
|
|
|
<authorgroup> |
|
|
|
|
<author> |
|
|
|
|
<firstname>Bruce</firstname> |
|
|
|
|
<surname>Momjian</surname> |
|
|
|
|
</author> |
|
|
|
|
</authorgroup> |
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|
|
<date>1999-06-09</date> |
|
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|
|
</docinfo> |
|
|
|
|
--> |
|
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|
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|
<para> |
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|
1999-06-09 |
|
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|
</para> |
|
|
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|
<para> |
|
|
|
|
Released 1999-06-09. |
|
|
|
|
This release marks a major step in the development team's mastery of the source |
|
|
|
|
code we inherited from Berkeley. You will see we are now easily adding |
|
|
|
|
major features, thanks to the increasing size and experience of our |
|
|
|
|
@ -1023,6 +1011,8 @@ Add Win1250 (Czech) support (Pavel Behal) |
|
|
|
|
</sect2> |
|
|
|
|
|
|
|
|
|
<sect2> |
|
|
|
|
<title>Changes</title> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
Bug Fixes |
|
|
|
|
@ -1412,10 +1402,12 @@ is required for those wishing to migrate data from any |
|
|
|
|
previous release of <productname>Postgres</productname>. |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
<sect2> |
|
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|
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|
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|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
<sect2> |
|
|
|
|
<title>Changes</title> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
Bug Fixes |
|
|
|
|
--------- |
|
|
|
|
Fix for a tiny memory leak in PQsetdb/PQfinish(Bryan) |
|
|
|
|
@ -1664,12 +1656,11 @@ For upgrades from pre-v6.3 installations, |
|
|
|
|
refer to the installation and migration instructions for v6.3. |
|
|
|
|
</para> |
|
|
|
|
|
|
|
|
|
<sect2> |
|
|
|
|
<sect2> |
|
|
|
|
<title>Changes</title> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
Changes |
|
|
|
|
------- |
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
Configure detection improvements for tcl/tk(Brook Milligan, Alvin) |
|
|
|
|
Manual page improvements(Bruce) |
|
|
|
|
BETWEEN and LIKE fix(Thomas) |
|
|
|
|
@ -1688,29 +1679,28 @@ libreadline cleanup(Erwan MAS) |
|
|
|
|
Remove DISTDIR(Bruce) |
|
|
|
|
Makefile dependency cleanup(Jeroen van Vianen) |
|
|
|
|
ASSERT fixes(Bruce) |
|
|
|
|
</programlisting> |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
</sect1> |
|
|
|
|
<sect1> |
|
|
|
|
<title>Release 6.3.1</title> |
|
|
|
|
<!-- |
|
|
|
|
<docinfo> |
|
|
|
|
<authorgroup> |
|
|
|
|
<author> |
|
|
|
|
<firstname>Bruce</firstname> |
|
|
|
|
<surname>Momjian</surname> |
|
|
|
|
</author> |
|
|
|
|
</authorgroup> |
|
|
|
|
<date>1998-03-23</date> |
|
|
|
|
</docinfo> |
|
|
|
|
--> |
|
|
|
|
</programlisting> |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
</sect1> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
1998-03-23 |
|
|
|
|
</para> |
|
|
|
|
<para> |
|
|
|
|
Summary: |
|
|
|
|
<sect1> |
|
|
|
|
<title>Release 6.3.1</title> |
|
|
|
|
<!-- |
|
|
|
|
<docinfo> |
|
|
|
|
<authorgroup> |
|
|
|
|
<author> |
|
|
|
|
<firstname>Bruce</firstname> |
|
|
|
|
<surname>Momjian</surname> |
|
|
|
|
</author> |
|
|
|
|
</authorgroup> |
|
|
|
|
<date>1998-03-23</date> |
|
|
|
|
</docinfo> |
|
|
|
|
--> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
Released 1998-03-23. |
|
|
|
|
Summary: |
|
|
|
|
|
|
|
|
|
<itemizedlist> |
|
|
|
|
<listitem> |
|
|
|
|
@ -1750,12 +1740,11 @@ For upgrades from pre-v6.3 installations, |
|
|
|
|
refer to the installation and migration instructions for v6.3. |
|
|
|
|
</para> |
|
|
|
|
|
|
|
|
|
<sect2> |
|
|
|
|
<sect2> |
|
|
|
|
<title>Changes</title> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
Changes |
|
|
|
|
------- |
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
ecpg cleanup/fixes, now version 1.1(Michael Meskes) |
|
|
|
|
pg_user cleanup(Bruce) |
|
|
|
|
large object fix for pg_dump and tclsh (alvin) |
|
|
|
|
@ -1783,59 +1772,58 @@ Fix Alpha port(Dwayne Bailey) |
|
|
|
|
Fix for text arrays containing quotes(Doug Gibson) |
|
|
|
|
Solaris compile fix(Albert Chin-A-Young) |
|
|
|
|
Better identify tcl and tk libs and includes(Bruce) |
|
|
|
|
</programlisting> |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
</sect1> |
|
|
|
|
<sect1> |
|
|
|
|
<title>Release 6.3</title> |
|
|
|
|
<!-- |
|
|
|
|
<docinfo> |
|
|
|
|
<authorgroup> |
|
|
|
|
<author> |
|
|
|
|
<firstname>Bruce</firstname> |
|
|
|
|
<surname>Momjian</surname> |
|
|
|
|
</author> |
|
|
|
|
</authorgroup> |
|
|
|
|
<date>1998-03-01</date> |
|
|
|
|
</docinfo> |
|
|
|
|
--> |
|
|
|
|
</programlisting> |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
</sect1> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
1998-03-01 |
|
|
|
|
</para> |
|
|
|
|
<para> |
|
|
|
|
There are <emphasis>many</emphasis> new features and improvements in this release. |
|
|
|
|
Here is a brief, incomplete summary: |
|
|
|
|
<sect1> |
|
|
|
|
<title>Release 6.3</title> |
|
|
|
|
<!-- |
|
|
|
|
<docinfo> |
|
|
|
|
<authorgroup> |
|
|
|
|
<author> |
|
|
|
|
<firstname>Bruce</firstname> |
|
|
|
|
<surname>Momjian</surname> |
|
|
|
|
</author> |
|
|
|
|
</authorgroup> |
|
|
|
|
<date>1998-03-01</date> |
|
|
|
|
</docinfo> |
|
|
|
|
--> |
|
|
|
|
|
|
|
|
|
<itemizedlist> |
|
|
|
|
<listitem> |
|
|
|
|
<para> |
|
|
|
|
Many new SQL features, including |
|
|
|
|
full <acronym>SQL92</acronym> subselect capability |
|
|
|
|
(everything is here but target-list subselects). |
|
|
|
|
</para> |
|
|
|
|
</listitem> |
|
|
|
|
<para> |
|
|
|
|
Released 1998-03-01. |
|
|
|
|
There are <emphasis>many</emphasis> new features and improvements in this release. |
|
|
|
|
Here is a brief, incomplete summary: |
|
|
|
|
|
|
|
|
|
<listitem> |
|
|
|
|
<para> |
|
|
|
|
Support for client-side environment variables to specify time zone and date style. |
|
|
|
|
</para> |
|
|
|
|
</listitem> |
|
|
|
|
<itemizedlist> |
|
|
|
|
<listitem> |
|
|
|
|
<para> |
|
|
|
|
Many new SQL features, including |
|
|
|
|
full <acronym>SQL92</acronym> subselect capability |
|
|
|
|
(everything is here but target-list subselects). |
|
|
|
|
</para> |
|
|
|
|
</listitem> |
|
|
|
|
|
|
|
|
|
<listitem> |
|
|
|
|
<para> |
|
|
|
|
Socket interface for client/server connection. This is the default now |
|
|
|
|
so you may need to start <application>postmaster</application> with the |
|
|
|
|
<option>-i</option> flag. |
|
|
|
|
</para> |
|
|
|
|
</listitem> |
|
|
|
|
<listitem> |
|
|
|
|
<para> |
|
|
|
|
Support for client-side environment variables to specify time zone and date style. |
|
|
|
|
</para> |
|
|
|
|
</listitem> |
|
|
|
|
|
|
|
|
|
<listitem> |
|
|
|
|
<para> |
|
|
|
|
Better password authorization mechanisms. Default table permissions have changed. |
|
|
|
|
</para> |
|
|
|
|
</listitem> |
|
|
|
|
<listitem> |
|
|
|
|
<para> |
|
|
|
|
Socket interface for client/server connection. This is the default now |
|
|
|
|
so you may need to start <application>postmaster</application> with the |
|
|
|
|
<option>-i</option> flag. |
|
|
|
|
</para> |
|
|
|
|
</listitem> |
|
|
|
|
|
|
|
|
|
<listitem> |
|
|
|
|
<para> |
|
|
|
|
Better password authorization mechanisms. Default table permissions have changed. |
|
|
|
|
</para> |
|
|
|
|
</listitem> |
|
|
|
|
|
|
|
|
|
<listitem> |
|
|
|
|
<para> |
|
|
|
|
@ -1843,101 +1831,101 @@ Better password authorization mechanisms. Default table permissions have changed |
|
|
|
|
has been removed. Performance has been improved. |
|
|
|
|
</para> |
|
|
|
|
</listitem> |
|
|
|
|
</itemizedlist> |
|
|
|
|
</para> |
|
|
|
|
|
|
|
|
|
</itemizedlist> |
|
|
|
|
</para> |
|
|
|
|
|
|
|
|
|
<note> |
|
|
|
|
<para> |
|
|
|
|
Bruce Momjian wrote the following notes to introduce the new release. |
|
|
|
|
</para> |
|
|
|
|
</note> |
|
|
|
|
<note> |
|
|
|
|
<para> |
|
|
|
|
Bruce Momjian wrote the following notes to introduce the new release. |
|
|
|
|
</para> |
|
|
|
|
</note> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
There are some general 6.3 issues that I want to mention. These are |
|
|
|
|
only the big items that can not be described in one sentence. A review |
|
|
|
|
of the detailed changes list is still needed. |
|
|
|
|
</para> |
|
|
|
|
<para> |
|
|
|
|
First, we now have subselects. Now that we have them, I would like to |
|
|
|
|
mention that without subselects, SQL is a very limited language. |
|
|
|
|
Subselects are a major feature, and you should review your code for |
|
|
|
|
places where subselects provide a better solution for your queries. I |
|
|
|
|
think you will find that there are more uses for subselects than you may |
|
|
|
|
think. Vadim has put us on the big SQL map with subselects, and fully |
|
|
|
|
functional ones too. The only thing you can't do with subselects is to |
|
|
|
|
use them in the target list. |
|
|
|
|
</para> |
|
|
|
|
<para> |
|
|
|
|
Second, 6.3 uses unix domain sockets rather than TCP/IP by default. To |
|
|
|
|
enable connections from other machines, you have to use the new |
|
|
|
|
postmaster -i option, and of course edit pg_hba.conf. Also, for this |
|
|
|
|
reason, the format of pg_hba.conf has changed. |
|
|
|
|
</para> |
|
|
|
|
<para> |
|
|
|
|
Third, char() fields will now allow faster access than varchar() or |
|
|
|
|
text. Specifically, the text and varchar() have a penalty for access to |
|
|
|
|
any columns after the first column of this type. char() used to also |
|
|
|
|
have this access penalty, but it no longer does. This may suggest that |
|
|
|
|
you redesign some of your tables, especially if you have short character |
|
|
|
|
columns that you have defined as varchar() or text. This and other |
|
|
|
|
changes make 6.3 even faster than earlier releases. |
|
|
|
|
</para> |
|
|
|
|
<para> |
|
|
|
|
We now have passwords definable independent of any Unix file. There are |
|
|
|
|
new SQL USER commands. See the pg_hba.conf manual page for more |
|
|
|
|
information. There is a new table, pg_shadow, which is used to store |
|
|
|
|
user information and user passwords, and it by default only SELECT-able |
|
|
|
|
by the postgres super-user. pg_user is now a view of pg_shadow, and is |
|
|
|
|
SELECT-able by PUBLIC. You should keep using pg_user in your |
|
|
|
|
application without changes. |
|
|
|
|
</para> |
|
|
|
|
<para> |
|
|
|
|
User-created tables now no longer have SELECT permission to PUBLIC by |
|
|
|
|
default. This was done because the ANSI standard requires it. You can |
|
|
|
|
of course GRANT any permissions you want after the table is created. |
|
|
|
|
System tables continue to be SELECT-able by PUBLIC. |
|
|
|
|
</para> |
|
|
|
|
<para> |
|
|
|
|
We also have real deadlock detection code. No more sixty-second |
|
|
|
|
timeouts. And the new locking code implements a FIFO better, so there |
|
|
|
|
should be less resource starvation during heavy use. |
|
|
|
|
</para> |
|
|
|
|
<para> |
|
|
|
|
Many complaints have been made about inadequate documenation in previous |
|
|
|
|
releases. Thomas has put much effort into many new manuals for this |
|
|
|
|
release. Check out the doc/ directory. |
|
|
|
|
</para> |
|
|
|
|
<para> |
|
|
|
|
For performance reasons, time travel is gone, but can be implemented |
|
|
|
|
using triggers (see pgsql/contrib/spi/README). Please check out the new |
|
|
|
|
\d command for types, operators, etc. Also, views have their own |
|
|
|
|
permissions now, not based on the underlying tables, so permissions on |
|
|
|
|
them have to be set separately. Check /pgsql/interfaces for some new |
|
|
|
|
ways to talk to <productname>Postgres</productname>. |
|
|
|
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</para> |
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<para> |
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This is the first release that really required an explanation for |
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existing users. In many ways, this was necessary because the new |
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release removes many limitations, and the work-arounds people were using |
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are no longer needed. |
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</para> |
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<para> |
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There are some general 6.3 issues that I want to mention. These are |
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only the big items that can not be described in one sentence. A review |
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of the detailed changes list is still needed. |
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</para> |
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<para> |
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First, we now have subselects. Now that we have them, I would like to |
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mention that without subselects, SQL is a very limited language. |
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Subselects are a major feature, and you should review your code for |
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places where subselects provide a better solution for your queries. I |
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think you will find that there are more uses for subselects than you may |
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think. Vadim has put us on the big SQL map with subselects, and fully |
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functional ones too. The only thing you can't do with subselects is to |
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use them in the target list. |
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</para> |
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<para> |
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Second, 6.3 uses unix domain sockets rather than TCP/IP by default. To |
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enable connections from other machines, you have to use the new |
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postmaster -i option, and of course edit pg_hba.conf. Also, for this |
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reason, the format of pg_hba.conf has changed. |
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</para> |
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<para> |
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Third, char() fields will now allow faster access than varchar() or |
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text. Specifically, the text and varchar() have a penalty for access to |
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any columns after the first column of this type. char() used to also |
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have this access penalty, but it no longer does. This may suggest that |
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you redesign some of your tables, especially if you have short character |
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columns that you have defined as varchar() or text. This and other |
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changes make 6.3 even faster than earlier releases. |
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</para> |
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<para> |
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We now have passwords definable independent of any Unix file. There are |
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new SQL USER commands. See the pg_hba.conf manual page for more |
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information. There is a new table, pg_shadow, which is used to store |
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user information and user passwords, and it by default only SELECT-able |
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by the postgres super-user. pg_user is now a view of pg_shadow, and is |
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SELECT-able by PUBLIC. You should keep using pg_user in your |
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application without changes. |
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</para> |
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<para> |
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User-created tables now no longer have SELECT permission to PUBLIC by |
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default. This was done because the ANSI standard requires it. You can |
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of course GRANT any permissions you want after the table is created. |
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System tables continue to be SELECT-able by PUBLIC. |
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</para> |
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<para> |
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We also have real deadlock detection code. No more sixty-second |
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timeouts. And the new locking code implements a FIFO better, so there |
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should be less resource starvation during heavy use. |
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</para> |
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<para> |
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Many complaints have been made about inadequate documenation in previous |
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releases. Thomas has put much effort into many new manuals for this |
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release. Check out the doc/ directory. |
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</para> |
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<para> |
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For performance reasons, time travel is gone, but can be implemented |
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using triggers (see pgsql/contrib/spi/README). Please check out the new |
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|
\d command for types, operators, etc. Also, views have their own |
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|
permissions now, not based on the underlying tables, so permissions on |
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them have to be set separately. Check /pgsql/interfaces for some new |
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|
ways to talk to <productname>Postgres</productname>. |
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|
</para> |
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|
<para> |
|
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|
|
This is the first release that really required an explanation for |
|
|
|
|
existing users. In many ways, this was necessary because the new |
|
|
|
|
release removes many limitations, and the work-arounds people were using |
|
|
|
|
are no longer needed. |
|
|
|
|
</para> |
|
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<sect2> |
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<title>Migration to v6.3</title> |
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<sect2> |
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<title>Migration to v6.3</title> |
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<para> |
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|
A dump/restore using <application>pg_dump</application> |
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|
or <application>pg_dumpall</application> |
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|
is required for those wishing to migrate data from any |
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|
previous release of <productname>Postgres</productname>. |
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</para> |
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</sect2> |
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<para> |
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|
A dump/restore using <application>pg_dump</application> |
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|
|
or <application>pg_dumpall</application> |
|
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|
|
is required for those wishing to migrate data from any |
|
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|
previous release of <productname>Postgres</productname>. |
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|
</para> |
|
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</sect2> |
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|
<sect2> |
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<sect2> |
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<title>Changes</title> |
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<para> |
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|
<programlisting> |
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|
<para> |
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|
<programlisting> |
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|
Bug Fixes |
|
|
|
|
--------- |
|
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|
|
Fix binary cursors broken by MOVE implementation(Vadim) |
|
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|
@ -2176,12 +2164,12 @@ from psql to update the existing system table: |
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|
This will need to be done to every existing database, including template1. |
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|
</para> |
|
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|
</sect2> |
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|
<sect2> |
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|
<para> |
|
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|
<programlisting> |
|
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|
|
Changes |
|
|
|
|
------- |
|
|
|
|
<sect2> |
|
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|
|
<title>Changes</title> |
|
|
|
|
|
|
|
|
|
<para> |
|
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|
|
<programlisting> |
|
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|
|
Allow TIME and TYPE column names(Thomas) |
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|
|
Allow larger range of true/false as boolean values(Thomas) |
|
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|
|
Support output of "now" and "current"(Thomas) |
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|
|
@ -2193,10 +2181,10 @@ Fix avg(cash) computation(Thomas) |
|
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|
|
Fix for specifying a column twice in ORDER/GROUP BY(Vadim) |
|
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|
|
Documented new libpq function to return affected rows, PQcmdTuples(Bruce) |
|
|
|
|
Trigger function for inserting user names for INSERT/UPDATE(Brook Milligan) |
|
|
|
|
</programlisting> |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
</sect1> |
|
|
|
|
</programlisting> |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
</sect1> |
|
|
|
|
|
|
|
|
|
<sect1> |
|
|
|
|
<title>Release 6.2</title> |
|
|
|
|
@ -2243,10 +2231,11 @@ because the COPY output format was improved from the 1.02 release. |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
|
|
|
|
|
<sect2> |
|
|
|
|
<sect2> |
|
|
|
|
<title>Changes</title> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
Bug Fixes |
|
|
|
|
--------- |
|
|
|
|
Fix problems with pg_dump for inheritance, sequences, archive tables(Bruce) |
|
|
|
|
@ -2388,12 +2377,11 @@ Refer to the release notes for v6.1 for more details. |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
|
|
|
|
|
<sect2> |
|
|
|
|
<sect2> |
|
|
|
|
<title>Changes</title> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
Changes |
|
|
|
|
------- |
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
fix for SET with options (Thomas) |
|
|
|
|
allow pg_dump/pg_dumpall to preserve ownership of all tables/objects(Bruce) |
|
|
|
|
new psql \connect option allows changing usernames without changing databases |
|
|
|
|
@ -2411,10 +2399,10 @@ major fix for endian handling of communication to server(Thomas, Tatsuo) |
|
|
|
|
Fix for Solaris assembler and include files(Yoshihiko Ichikawa) |
|
|
|
|
allow underscores in usernames(Bruce) |
|
|
|
|
pg_dumpall now returns proper status, portability fix(Bruce) |
|
|
|
|
</programlisting> |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
</sect1> |
|
|
|
|
</programlisting> |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
</sect1> |
|
|
|
|
|
|
|
|
|
<sect1> |
|
|
|
|
<title>Release 6.1</title> |
|
|
|
|
@ -2492,10 +2480,11 @@ because the COPY output format was improved from the 1.02 release. |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
|
|
|
|
|
<sect2> |
|
|
|
|
<sect2> |
|
|
|
|
<title>Changes</title> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
Bug Fixes |
|
|
|
|
--------- |
|
|
|
|
packet length checking in library routines |
|
|
|
|
@ -2635,10 +2624,11 @@ because the COPY output format was improved from the 1.02 release. |
|
|
|
|
</para> |
|
|
|
|
</sect2> |
|
|
|
|
|
|
|
|
|
<sect2> |
|
|
|
|
<sect2> |
|
|
|
|
<title>Changes</title> |
|
|
|
|
|
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
<para> |
|
|
|
|
<programlisting> |
|
|
|
|
Bug Fixes |
|
|
|
|
--------- |
|
|
|
|
ALTER TABLE bug - running postgress process needs to re-read table definition |
|
|
|
|
|
Thomas G. Lockhart
26 years ago