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Update HISTORY
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4
HISTORY
4
HISTORY
@ -161,7 +161,7 @@ Allow subselects on the left side of comparison operators (Tom)
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New parallel regression test (Jan)
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Change backend-side COPY to write files with permissions 644 not 666 (Tom)
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Force permissions on PGDATA directory to be secure, even if it exists (Tom)
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Added psql LastOid variable to return last inserted oid (Peter E)
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Added psql LASTOID variable to return last inserted oid (Peter E)
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Allow concurrent vacuum and remove pg_vlock vacuum lock file (Tom)
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Add permissions check so only Postgres superuser or table owner can
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vacuum (Peter E)
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@ -182,7 +182,7 @@ Allow flag to control COPY input/output of NULLs (Peter E)
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Make postgres user have a password by default (Peter E)
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Add CREATE/ALTER/DROP GROUP (Peter E)
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All administration scripts now support --long options (Peter E, Karel)
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Vacuumdb script now supports --alldb option (Peter E)
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Vacuumdb script now supports --all option (Peter E)
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ecpg new portable FETCH syntax
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Add ecpg EXEC SQL IFDEF, EXEC SQL IFNDEF, EXEC SQL ELSE, EXEC SQL ELIF
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and EXEC SQL ENDIF directives
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@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/lock.sgml,v 1.17 2000/03/23 23:16:47 momjian Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/lock.sgml,v 1.18 2000/03/24 01:20:09 momjian Exp $
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Postgres documentation
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-->
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@ -87,8 +87,7 @@ LOCK [ TABLE ] <replaceable class="PARAMETER">name</replaceable> IN SHARE ROW EX
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<listitem>
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<para>
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If EXCLUSIVE or SHARE are not specified, EXCLUSIVE is assumed.
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If ROW or ACCESS is not specified, the entire table is locked
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for the duration of the transaction.
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Locks exist for the duration of the transaction.
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</para>
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</listitem>
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</varlistentry>
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@ -117,14 +116,12 @@ LOCK [ TABLE ] <replaceable class="PARAMETER">name</replaceable> IN SHARE ROW EX
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<note>
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<para>
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This lock mode is acquired automatically over tables being queried.
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It is released after the statement completes.
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It does not remain for the duration of the transaction.
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</para>
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</note>
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<para>
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This is the least restrictive lock mode. It conflicts only with
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ACCESS EXCLUSIVE mode. It is used to protect a table being
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ACCESS EXCLUSIVE mode. It is used to protect a table from being
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modified by concurrent <command>ALTER TABLE</command>,
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<command>DROP TABLE</command> and <command>VACUUM</command>
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commands.
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@ -138,8 +135,7 @@ LOCK [ TABLE ] <replaceable class="PARAMETER">name</replaceable> IN SHARE ROW EX
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<note>
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<para>
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Automatically acquired by <command>SELECT...FOR UPDATE</command>.
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While it is a shared lock, there is the intention to later upgrade
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this to a ROW EXCLUSIVE lock.
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While it is a shared lock, may be upgrade later to a ROW EXCLUSIVE lock.
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</para>
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</note>
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@ -196,7 +196,7 @@ Allow subselects on the left side of comparison operators (Tom)
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New parallel regression test (Jan)
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Change backend-side COPY to write files with permissions 644 not 666 (Tom)
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Force permissions on PGDATA directory to be secure, even if it exists (Tom)
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Added psql LastOid variable to return last inserted oid (Peter E)
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Added psql LASTOID variable to return last inserted oid (Peter E)
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Allow concurrent vacuum and remove pg_vlock vacuum lock file (Tom)
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Add permissions check so only Postgres superuser or table owner can
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vacuum (Peter E)
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@ -217,7 +217,7 @@ Allow flag to control COPY input/output of NULLs (Peter E)
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Make postgres user have a password by default (Peter E)
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Add CREATE/ALTER/DROP GROUP (Peter E)
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All administration scripts now support --long options (Peter E, Karel)
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Vacuumdb script now supports --alldb option (Peter E)
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Vacuumdb script now supports --all option (Peter E)
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ecpg new portable FETCH syntax
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Add ecpg EXEC SQL IFDEF, EXEC SQL IFNDEF, EXEC SQL ELSE, EXEC SQL ELIF
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and EXEC SQL ENDIF directives
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