mirror of https://github.com/postgres/postgres
Rename pg_complete_relation_size() to pg_total_relation_size(), for the
sake of brevity and clarity. Make pg_reload_conf(), pg_rotate_logfile(), and pg_cancel_backend() return a boolean rather than an integer to indicate success or failure. Along the way, make some minor cleanups to dbsize.c -- in particular, use elog() rather than ereport() for "shouldn't happen" error conditions, and remove some of the more flagrant violations of the Postgres indentation conventions. Catalog version bumped.
This commit is contained in:
Neil Conway
parent
148c00acbb
commit
e4d9b69779
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@ -1,5 +1,5 @@
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<!--
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$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.285 2005/09/14 21:14:26 neilc Exp $
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$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.286 2005/09/16 05:35:39 neilc Exp $
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PostgreSQL documentation
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-->
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@ -9368,21 +9368,21 @@ SELECT set_config('log_statement_stats', 'off', false);
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<entry>
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<literal><function>pg_cancel_backend</function>(<parameter>pid</parameter> <type>int</>)</literal>
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</entry>
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<entry><type>int</type></entry>
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<entry><type>boolean</type></entry>
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<entry>Cancel a backend's current query</entry>
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</row>
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<row>
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<entry>
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<literal><function>pg_reload_conf</function>()</literal>
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</entry>
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<entry><type>int</type></entry>
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<entry><type>boolean</type></entry>
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<entry>Cause server processes to reload their configuration files</entry>
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</row>
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<row>
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<entry>
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<literal><function>pg_rotate_logfile</function>()</literal>
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</entry>
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<entry><type>int</type></entry>
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<entry><type>boolean</type></entry>
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<entry>Rotate server's logfile</entry>
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</row>
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</tbody>
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@ -9390,7 +9390,8 @@ SELECT set_config('log_statement_stats', 'off', false);
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</table>
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<para>
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Each of these functions returns 1 if successful, 0 if not successful.
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Each of these functions returns <literal>true</literal> if
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successful and <literal>false</literal> otherwise.
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</para>
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<para>
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@ -9502,7 +9503,7 @@ SELECT set_config('log_statement_stats', 'off', false);
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<primary>pg_relation_size</primary>
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</indexterm>
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<indexterm zone="functions-admin">
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<primary>pg_complete_relation_size</primary>
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<primary>pg_total_relation_size</primary>
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</indexterm>
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<indexterm zone="functions-admin">
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<primary>pg_size_pretty</primary>
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@ -9527,28 +9528,28 @@ SELECT set_config('log_statement_stats', 'off', false);
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<literal><function>pg_tablespace_size</function>(<type>oid</type>)</literal>
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</entry>
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<entry><type>bigint</type></entry>
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<entry>Total disk space used by the tablespace with the specified OID</entry>
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<entry>Disk space used by the tablespace with the specified OID</entry>
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</row>
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<row>
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<entry>
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<literal><function>pg_tablespace_size</function>(<type>name</type>)</literal>
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</entry>
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<entry><type>bigint</type></entry>
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<entry>Total disk space used by the tablespace with the specified name</entry>
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<entry>Disk space used by the tablespace with the specified name</entry>
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</row>
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<row>
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<entry>
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<literal><function>pg_database_size</function>(<type>oid</type>)</literal>
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</entry>
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<entry><type>bigint</type></entry>
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<entry>Total disk space used by the database with the specified OID</entry>
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<entry>Disk space used by the database with the specified OID</entry>
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</row>
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<row>
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<entry>
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<literal><function>pg_database_size</function>(<type>name</type>)</literal>
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</entry>
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<entry><type>bigint</type></entry>
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<entry>Total disk space used by the database with the specified name</entry>
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<entry>Disk space used by the database with the specified name</entry>
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</row>
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<row>
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<entry>
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@ -9562,25 +9563,31 @@ SELECT set_config('log_statement_stats', 'off', false);
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<literal><function>pg_relation_size</function>(<type>text</type>)</literal>
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</entry>
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<entry><type>bigint</type></entry>
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<entry>Disk space used by the table or index with the specified name.
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The name may be qualified with a schema name</entry>
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<entry>
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Disk space used by the table or index with the specified name.
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The table name may be qualified with a schema name
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</entry>
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</row>
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<row>
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<entry>
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<literal><function>pg_complete_relation_size</function>(<type>oid</type>)</literal>
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<literal><function>pg_total_relation_size</function>(<type>oid</type>)</literal>
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</entry>
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<entry><type>bigint</type></entry>
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<entry>Total disk space used by the table with the specified OID,
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including indexes and toasted data</entry>
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<entry>
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Total disk space used by the table with the specified OID,
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including indexes and toasted data
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</entry>
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</row>
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<row>
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<entry>
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<literal><function>pg_complete_relation_size</function>(<type>text</type>)</literal>
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<literal><function>pg_total_relation_size</function>(<type>text</type>)</literal>
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</entry>
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<entry><type>bigint</type></entry>
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<entry>Total disk space used by the table with the specified name,
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including indexes and toasted data.
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The table name may be qualified with a schema name</entry>
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<entry>
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Total disk space used by the table with the specified name,
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including indexes and toasted data. The table name may be
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qualified with a schema name
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</entry>
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</row>
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<row>
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<entry>
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@ -9610,9 +9617,9 @@ SELECT set_config('log_statement_stats', 'off', false);
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</para>
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<para>
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<function>pg_complete_relation_size</> accepts the OID or name of a table
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or toast table, and returns the size in bytes of the data and all
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associated indexes and toast tables.
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<function>pg_total_relation_size</> accepts the OID or name of a
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table or toast table, and returns the size in bytes of the data
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and all associated indexes and toast tables.
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</para>
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<para>
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@ -9669,7 +9676,7 @@ SELECT set_config('log_statement_stats', 'off', false);
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<primary>pg_ls_dir</primary>
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</indexterm>
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<para>
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<function>pg_ls_dir()</> returns all the names in the specified
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<function>pg_ls_dir</> returns all the names in the specified
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directory, except the special entries <quote><literal>.</></> and
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<quote><literal>..</></>.
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</para>
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@ -9678,7 +9685,7 @@ SELECT set_config('log_statement_stats', 'off', false);
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<primary>pg_read_file</primary>
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</indexterm>
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<para>
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<function>pg_read_file()</> returns part of a text file, starting
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<function>pg_read_file</> returns part of a text file, starting
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at the given <parameter>offset</>, returning at most <parameter>length</>
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bytes (less if the end of file is reached first). If <parameter>offset</>
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is negative, it is relative to the end of the file.
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@ -9688,7 +9695,7 @@ SELECT set_config('log_statement_stats', 'off', false);
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<primary>pg_stat_file</primary>
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</indexterm>
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<para>
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<function>pg_stat_file()</> returns a record containing the file
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<function>pg_stat_file</> returns a record containing the file
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size, last accessed timestamp, last modified timestamp,
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last file status change timestamp (Unix platforms only),
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file creation timestamp (Win32 only), and a boolean indicating
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@ -1,5 +1,5 @@
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<!--
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$PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.368 2005/09/16 03:37:35 tgl Exp $
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$PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.369 2005/09/16 05:35:39 neilc Exp $
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Typical markup:
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@ -408,6 +408,12 @@ pg_[A-Za-z0-9_] <application>
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</para>
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</listitem>
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<listitem>
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<para>
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Make <function>pg_cancel_backend(int)</function> return a
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<type>boolean</type> rather than an <type>integer</type> (Neil)
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</para>
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</listitem>
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</itemizedlist>
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</sect2>
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@ -1167,7 +1173,7 @@ pg_[A-Za-z0-9_] <application>
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<listitem>
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<para>
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<function>pg_complete_relation_size()</>
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<function>pg_total_relation_size()</>
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</para>
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</listitem>
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@ -1180,7 +1186,7 @@ pg_[A-Za-z0-9_] <application>
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</itemizedlist>
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</para>
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<para>
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<function>pg_complete_relation_size()</> includes indexes and TOAST
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<function>pg_total_relation_size()</> includes indexes and TOAST
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tables.
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</para>
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</listitem>
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@ -5,7 +5,7 @@
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* Copyright (c) 2002-2005, PostgreSQL Global Development Group
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/adt/dbsize.c,v 1.3 2005/08/02 15:17:24 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/utils/adt/dbsize.c,v 1.4 2005/09/16 05:35:40 neilc Exp $
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*
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*/
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@ -68,7 +68,7 @@ db_dir_size(const char *path)
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static int64
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calculate_database_size(Oid dbOid)
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{
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int64 totalsize = 0;
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int64 totalsize;
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DIR *dirdesc;
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struct dirent *direntry;
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char dirpath[MAXPGPATH];
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@ -78,7 +78,7 @@ calculate_database_size(Oid dbOid)
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/* Include pg_default storage */
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snprintf(pathname, MAXPGPATH, "%s/base/%u", DataDir, dbOid);
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totalsize += db_dir_size(pathname);
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totalsize = db_dir_size(pathname);
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/* Scan the non-default tablespaces */
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snprintf(dirpath, MAXPGPATH, "%s/pg_tblspc", DataDir);
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@ -273,9 +273,7 @@ pg_relation_size_oid(PG_FUNCTION_ARGS)
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ObjectIdGetDatum(relOid),
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0, 0, 0);
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if (!HeapTupleIsValid(tuple))
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ereport(ERROR,
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(ERRCODE_UNDEFINED_TABLE,
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errmsg("relation with OID %u does not exist", relOid)));
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elog(ERROR, "cache lookup failed for relation %u", relOid);
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pg_class = (Form_pg_class) GETSTRUCT(tuple);
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relnodeOid = pg_class->relfilenode;
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@ -308,11 +306,12 @@ pg_relation_size_name(PG_FUNCTION_ARGS)
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/*
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* Compute on-disk size of files for 'relation' according to the stat function,
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* optionally including heap data, index data, and/or toast data.
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* Compute the on-disk size of files for 'relation' according to the
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* stat function, optionally including heap data, index data, and/or
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* toast data.
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*/
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static int64
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calculate_complete_relation_size(Oid tblspcOid, Oid relnodeOid)
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calculate_total_relation_size(Oid tblspcOid, Oid relnodeOid)
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{
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Relation heapRelation;
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Relation idxRelation;
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@ -322,7 +321,7 @@ calculate_complete_relation_size(Oid tblspcOid, Oid relnodeOid)
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Oid toastOid;
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Oid toastTblspcOid;
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bool hasIndices;
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int64 size = 0;
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int64 size;
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List *indexoidlist;
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ListCell *idx;
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@ -331,14 +330,16 @@ calculate_complete_relation_size(Oid tblspcOid, Oid relnodeOid)
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hasIndices = heapRelation->rd_rel->relhasindex;
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/* Get the heap size */
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size += calculate_relation_size(tblspcOid, relnodeOid);
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size = calculate_relation_size(tblspcOid, relnodeOid);
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/* Get Index size */
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if ( hasIndices ) {
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/* recursively include any dependent indexes ... */
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/* Get index size */
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if (hasIndices)
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{
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/* recursively include any dependent indexes */
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indexoidlist = RelationGetIndexList(heapRelation);
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foreach(idx, indexoidlist) {
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foreach(idx, indexoidlist)
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{
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idxOid = lfirst_oid(idx);
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idxRelation = relation_open(idxOid, AccessShareLock);
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idxTblspcOid = idxRelation->rd_rel->reltablespace;
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@ -347,14 +348,13 @@ calculate_complete_relation_size(Oid tblspcOid, Oid relnodeOid)
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}
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list_free(indexoidlist);
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}
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/* Close heapReleation now we no longer need it */
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relation_close(heapRelation, AccessShareLock);
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/* Get toast table size */
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if ( toastOid != 0 ) {
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/* recursively include any toast relations ... */
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if (toastOid != 0)
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{
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/* recursively include any toast relations */
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toastRelation = relation_open(toastOid, AccessShareLock);
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toastTblspcOid = toastRelation->rd_rel->reltablespace;
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size += calculate_relation_size(toastTblspcOid, toastOid);
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@ -369,7 +369,7 @@ calculate_complete_relation_size(Oid tblspcOid, Oid relnodeOid)
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* heap data, index data, and toasted data.
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*/
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Datum
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pg_complete_relation_size_oid(PG_FUNCTION_ARGS)
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pg_total_relation_size_oid(PG_FUNCTION_ARGS)
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{
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Oid relOid=PG_GETARG_OID(0);
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HeapTuple tuple;
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@ -378,12 +378,10 @@ pg_complete_relation_size_oid(PG_FUNCTION_ARGS)
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Oid tblspcOid;
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tuple = SearchSysCache(RELOID,
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ObjectIdGetDatum(relOid),
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0, 0, 0);
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ObjectIdGetDatum(relOid),
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0, 0, 0);
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if (!HeapTupleIsValid(tuple))
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ereport(ERROR,
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(ERRCODE_UNDEFINED_TABLE,
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errmsg("relation with OID %u does not exist", relOid)));
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elog(ERROR, "cache lookup failed for relation %u", relOid);
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pg_class = (Form_pg_class) GETSTRUCT(tuple);
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relnodeOid = pg_class->relfilenode;
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@ -391,11 +389,11 @@ pg_complete_relation_size_oid(PG_FUNCTION_ARGS)
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ReleaseSysCache(tuple);
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PG_RETURN_INT64(calculate_complete_relation_size(tblspcOid, relnodeOid));
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PG_RETURN_INT64(calculate_total_relation_size(tblspcOid, relnodeOid));
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}
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Datum
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pg_complete_relation_size_name(PG_FUNCTION_ARGS)
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pg_total_relation_size_name(PG_FUNCTION_ARGS)
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{
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text *relname = PG_GETARG_TEXT_P(0);
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RangeVar *relrv;
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@ -411,7 +409,7 @@ pg_complete_relation_size_name(PG_FUNCTION_ARGS)
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relation_close(relation, AccessShareLock);
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PG_RETURN_INT64(calculate_complete_relation_size(tblspcOid, relnodeOid));
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PG_RETURN_INT64(calculate_total_relation_size(tblspcOid, relnodeOid));
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}
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/*
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|
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/adt/misc.c,v 1.47 2005/08/12 18:23:54 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/utils/adt/misc.c,v 1.48 2005/09/16 05:35:40 neilc Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -73,8 +73,7 @@ current_database(PG_FUNCTION_ARGS)
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/*
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* Functions to send signals to other backends.
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*/
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static int
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static bool
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pg_signal_backend(int pid, int sig)
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{
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if (!superuser())
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@ -90,7 +89,7 @@ pg_signal_backend(int pid, int sig)
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*/
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ereport(WARNING,
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(errmsg("PID %d is not a PostgreSQL server process", pid)));
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return 0;
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return false;
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}
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if (kill(pid, sig))
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@ -98,18 +97,17 @@ pg_signal_backend(int pid, int sig)
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/* Again, just a warning to allow loops */
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ereport(WARNING,
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(errmsg("could not send signal to process %d: %m", pid)));
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return 0;
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return false;
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}
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return 1;
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return true;
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}
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Datum
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pg_cancel_backend(PG_FUNCTION_ARGS)
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{
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PG_RETURN_INT32(pg_signal_backend(PG_GETARG_INT32(0), SIGINT));
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PG_RETURN_BOOL(pg_signal_backend(PG_GETARG_INT32(0), SIGINT));
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}
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Datum
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pg_reload_conf(PG_FUNCTION_ARGS)
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{
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@ -122,11 +120,10 @@ pg_reload_conf(PG_FUNCTION_ARGS)
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{
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ereport(WARNING,
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(errmsg("failed to send signal to postmaster: %m")));
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PG_RETURN_INT32(0);
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PG_RETURN_BOOL(false);
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}
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PG_RETURN_INT32(1);
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PG_RETURN_BOOL(true);
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}
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@ -145,19 +142,16 @@ pg_rotate_logfile(PG_FUNCTION_ARGS)
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|||
{
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||||
ereport(WARNING,
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||||
(errmsg("rotation not possible because log redirection not active")));
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||||
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||||
PG_RETURN_INT32(0);
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||||
PG_RETURN_BOOL(false);
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||||
}
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||||
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||||
SendPostmasterSignal(PMSIGNAL_ROTATE_LOGFILE);
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||||
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||||
PG_RETURN_INT32(1);
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||||
PG_RETURN_BOOL(true);
|
||||
}
|
||||
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||||
#ifdef NOT_USED
|
||||
|
||||
/* Disabled in 8.0 due to reliability concerns; FIXME someday */
|
||||
|
||||
Datum
|
||||
pg_terminate_backend(PG_FUNCTION_ARGS)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -37,7 +37,7 @@
|
|||
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.301 2005/09/08 20:07:42 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.302 2005/09/16 05:35:40 neilc Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
|
|
@ -53,6 +53,6 @@
|
|||
*/
|
||||
|
||||
/* yyyymmddN */
|
||||
#define CATALOG_VERSION_NO 200509081
|
||||
#define CATALOG_VERSION_NO 200509161
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@
|
|||
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.384 2005/09/09 06:51:12 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.385 2005/09/16 05:35:40 neilc Exp $
|
||||
*
|
||||
* NOTES
|
||||
* The script catalog/genbki.sh reads this file and generates .bki
|
||||
|
|
@ -3042,16 +3042,16 @@ DATA(insert OID = 2093 ( pg_conversion_is_visible PGNSP PGUID 12 f f t f s 1 16
|
|||
DESCR("is conversion visible in search path?");
|
||||
|
||||
|
||||
DATA(insert OID = 2171 ( pg_cancel_backend PGNSP PGUID 12 f f t f v 1 23 "23" _null_ _null_ _null_ pg_cancel_backend - _null_ ));
|
||||
DATA(insert OID = 2171 ( pg_cancel_backend PGNSP PGUID 12 f f t f v 1 16 "23" _null_ _null_ _null_ pg_cancel_backend - _null_ ));
|
||||
DESCR("Cancel a server process' current query");
|
||||
DATA(insert OID = 2172 ( pg_start_backup PGNSP PGUID 12 f f t f v 1 25 "25" _null_ _null_ _null_ pg_start_backup - _null_ ));
|
||||
DESCR("Prepare for taking an online backup");
|
||||
DATA(insert OID = 2173 ( pg_stop_backup PGNSP PGUID 12 f f t f v 0 25 "" _null_ _null_ _null_ pg_stop_backup - _null_ ));
|
||||
DESCR("Finish taking an online backup");
|
||||
|
||||
DATA(insert OID = 2621 ( pg_reload_conf PGNSP PGUID 12 f f t f v 0 23 "" _null_ _null_ _null_ pg_reload_conf - _null_ ));
|
||||
DATA(insert OID = 2621 ( pg_reload_conf PGNSP PGUID 12 f f t f v 0 16 "" _null_ _null_ _null_ pg_reload_conf - _null_ ));
|
||||
DESCR("Reload configuration files");
|
||||
DATA(insert OID = 2622 ( pg_rotate_logfile PGNSP PGUID 12 f f t f v 0 23 "" _null_ _null_ _null_ pg_rotate_logfile - _null_ ));
|
||||
DATA(insert OID = 2622 ( pg_rotate_logfile PGNSP PGUID 12 f f t f v 0 16 "" _null_ _null_ _null_ pg_rotate_logfile - _null_ ));
|
||||
DESCR("Rotate log file");
|
||||
|
||||
DATA(insert OID = 2623 ( pg_stat_file PGNSP PGUID 12 f f t f v 1 2249 "25" _null_ _null_ _null_ pg_stat_file - _null_ ));
|
||||
|
|
@ -3254,9 +3254,9 @@ DATA(insert OID = 2325 ( pg_relation_size PGNSP PGUID 12 f f t f v 1 20 "26" _n
|
|||
DESCR("Calculate disk space usage for the specified table or index");
|
||||
DATA(insert OID = 2289 ( pg_relation_size PGNSP PGUID 12 f f t f v 1 20 "25" _null_ _null_ _null_ pg_relation_size_name - _null_ ));
|
||||
DESCR("Calculate disk space usage for the specified table or index");
|
||||
DATA(insert OID = 2286 ( pg_complete_relation_size PGNSP PGUID 12 f f t f v 1 20 "26" _null_ _null_ _null_ pg_complete_relation_size_oid - _null_ ));
|
||||
DATA(insert OID = 2286 ( pg_total_relation_size PGNSP PGUID 12 f f t f v 1 20 "26" _null_ _null_ _null_ pg_total_relation_size_oid - _null_ ));
|
||||
DESCR("Calculate total disk space usage for the specified table and associated indexes and toast tables");
|
||||
DATA(insert OID = 2287 ( pg_complete_relation_size PGNSP PGUID 12 f f t f v 1 20 "25" _null_ _null_ _null_ pg_complete_relation_size_name - _null_ ));
|
||||
DATA(insert OID = 2287 ( pg_total_relation_size PGNSP PGUID 12 f f t f v 1 20 "25" _null_ _null_ _null_ pg_total_relation_size_name - _null_ ));
|
||||
DESCR("Calculate total disk space usage for the specified table and associated indexes and toast tables");
|
||||
DATA(insert OID = 2288 ( pg_size_pretty PGNSP PGUID 12 f f t f v 1 25 "20" _null_ _null_ _null_ pg_size_pretty - _null_ ));
|
||||
DESCR("Convert a long int to a human readable text using size units");
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@
|
|||
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.263 2005/08/12 03:25:13 momjian Exp $
|
||||
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.264 2005/09/16 05:35:41 neilc Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
|
|
@ -370,8 +370,8 @@ extern Datum pg_database_size_oid(PG_FUNCTION_ARGS);
|
|||
extern Datum pg_database_size_name(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_relation_size_oid(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_relation_size_name(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_complete_relation_size_oid(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_complete_relation_size_name(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_total_relation_size_oid(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_total_relation_size_name(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_size_pretty(PG_FUNCTION_ARGS);
|
||||
|
||||
/* genfile.c */
|
||||
|
|
|
|||
Loading…
Reference in New Issue