Add support for an application_name parameter, which is displayed in
pg_stat_activity and recorded in log entries. Dave Page, reviewed by Andres Freund
This commit is contained in:
Tom Lane
parent
cb98f61538
commit
8217cfbd99
@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.234 2009/11/28 16:21:31 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.235 2009/11/28 23:38:06 tgl Exp $ -->
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<chapter Id="runtime-config">
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<title>Server Configuration</title>
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@ -2882,6 +2882,26 @@ local0.* /var/log/postgresql
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<variablelist>
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<varlistentry id="guc-application-name" xreflabel="application_name">
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<term><varname>application_name</varname> (<type>string</type>)</term>
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<indexterm>
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<primary><varname>application_name</> configuration parameter</primary>
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</indexterm>
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<listitem>
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<para>
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The <varname>application_name</varname> can be any string of less than
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<symbol>NAMEDATALEN</> characters (64 characters in a standard build).
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It is typically set by an application upon connection to the server.
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The name will be displayed in the <structname>pg_stat_activity</> view
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and included in CSV log entries. It can also be included in regular
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log entries via the <xref linkend="guc-log-line-prefix"> parameter.
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Only printable ASCII characters may be used in the
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<varname>application_name</varname> value. Other characters will be
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replaced with question marks (<literal>?</literal>).
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>debug_print_parse</varname> (<type>boolean</type>)</term>
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<term><varname>debug_print_rewritten</varname> (<type>boolean</type>)</term>
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@ -3049,7 +3069,7 @@ local0.* /var/log/postgresql
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that are replaced with status information as outlined below.
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Unrecognized escapes are ignored. Other
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characters are copied straight to the log line. Some escapes are
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only recognized by session processes, and do not apply to
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only recognized by session processes, and are ignored by
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background processes such as the main server process.
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This parameter can only be set in the <filename>postgresql.conf</>
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file or on the server command line. The default is an empty string.
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@ -3064,6 +3084,11 @@ local0.* /var/log/postgresql
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</row>
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</thead>
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<tbody>
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<row>
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<entry><literal>%a</literal></entry>
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<entry>Application name</entry>
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<entry>yes</entry>
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</row>
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<row>
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<entry><literal>%u</literal></entry>
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<entry>User name</entry>
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@ -3287,19 +3312,35 @@ FROM pg_stat_activity;
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<title>Using CSV-Format Log Output</title>
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<para>
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Including <literal>csvlog</> in the <varname>log_destination</> list
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provides a convenient way to import log files into a database table.
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Including <literal>csvlog</> in the <varname>log_destination</> list
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provides a convenient way to import log files into a database table.
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This option emits log lines in comma-separated-value format,
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with these columns: timestamp with milliseconds, user name, database
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name, process ID, host:port number, session ID, per-session or -process line
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number, command tag, session start time, virtual transaction ID,
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regular transaction id, error severity, SQL state code, error message,
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error message detail, hint, internal query that led to the error (if
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any), character count of the error position thereof, error context,
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with these columns:
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timestamp with milliseconds,
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user name,
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database name,
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process ID,
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client host:port number,
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session ID,
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per-session line number,
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command tag,
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session start time,
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virtual transaction ID,
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regular transaction ID,
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error severity,
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SQL state code,
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error message,
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error message detail,
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hint,
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internal query that led to the error (if any),
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character count of the error position therein,
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error context,
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user query that led to the error (if any and enabled by
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<varname>log_min_error_statement</>), character count of the error
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position thereof, location of the error in the PostgreSQL source code
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(if <varname>log_error_verbosity</> is set to <literal>verbose</>).
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<varname>log_min_error_statement</>),
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character count of the error position therein,
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location of the error in the PostgreSQL source code
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(if <varname>log_error_verbosity</> is set to <literal>verbose</>),
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and application name.
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Here is a sample table definition for storing CSV-format log output:
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<programlisting>
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@ -3327,6 +3368,7 @@ CREATE TABLE postgres_log
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query text,
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query_pos integer,
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location text,
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application_name text,
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PRIMARY KEY (session_id, session_line_num)
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);
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</programlisting>
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@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/libpq.sgml,v 1.289 2009/05/28 20:02:10 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/libpq.sgml,v 1.290 2009/11/28 23:38:06 tgl Exp $ -->
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<chapter id="libpq">
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<title><application>libpq</application> - C Library</title>
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@ -249,6 +249,32 @@
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</listitem>
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</varlistentry>
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<varlistentry id="libpq-connect-application-name" xreflabel="application_name">
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<term><literal>application_name</literal></term>
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<listitem>
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<para>
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Specifies a value for the <xref linkend="guc-application-name">
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configuration parameter.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry id="libpq-connect-fallback-application-name" xreflabel="fallback_application_name">
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<term><literal>fallback_application_name</literal></term>
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<listitem>
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<para>
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Specifies a fallback value for the <xref
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linkend="guc-application-name"> configuration parameter.
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This value will be used if no value has been given for
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<literal>application_name</> via a connection parameter or the
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<envar>PGAPPNAME</envar> environment variable. Specifying
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a fallback name is useful in generic utility programs that
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wish to set a default application name but allow it to be
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overridden by the user.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry id="libpq-connect-tty" xreflabel="tty">
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<term><literal>tty</literal></term>
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<listitem>
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@ -5672,7 +5698,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGHOST</envar></primary>
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</indexterm>
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<envar>PGHOST</envar> behaves the same as <xref
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<envar>PGHOST</envar> behaves the same as the <xref
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linkend="libpq-connect-host"> connection parameter.
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</para>
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</listitem>
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@ -5682,7 +5708,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGHOSTADDR</envar></primary>
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</indexterm>
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<envar>PGHOSTADDR</envar> behaves the same as <xref
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<envar>PGHOSTADDR</envar> behaves the same as the <xref
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linkend="libpq-connect-hostaddr"> connection parameter.
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This can be set instead of or in addition to <envar>PGHOST</envar>
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to avoid DNS lookup overhead.
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@ -5694,7 +5720,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGPORT</envar></primary>
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</indexterm>
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<envar>PGPORT</envar> behaves the same as <xref
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<envar>PGPORT</envar> behaves the same as the <xref
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linkend="libpq-connect-port"> connection parameter.
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</para>
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</listitem>
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@ -5704,7 +5730,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGDATABASE</envar></primary>
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</indexterm>
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<envar>PGDATABASE</envar> behaves the same as <xref
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<envar>PGDATABASE</envar> behaves the same as the <xref
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linkend="libpq-connect-dbname"> connection parameter.
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</para>
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</listitem>
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@ -5714,9 +5740,8 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGUSER</envar></primary>
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</indexterm>
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<envar>PGUSER</envar> behaves the same as <xref
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<envar>PGUSER</envar> behaves the same as the <xref
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linkend="libpq-connect-user"> connection parameter.
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database.
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</para>
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</listitem>
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@ -5725,12 +5750,12 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGPASSWORD</envar></primary>
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</indexterm>
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<envar>PGPASSWORD</envar> behaves the same as <xref
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<envar>PGPASSWORD</envar> behaves the same as the <xref
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linkend="libpq-connect-password"> connection parameter.
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Use of this environment variable
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is not recommended for security reasons (some operating systems
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is not recommended for security reasons, as some operating systems
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allow non-root users to see process environment variables via
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<application>ps</>); instead consider using the
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<application>ps</>; instead consider using the
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<filename>~/.pgpass</> file (see <xref linkend="libpq-pgpass">).
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</para>
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</listitem>
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@ -5751,7 +5776,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGSERVICE</envar></primary>
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</indexterm>
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<envar>PGSERVICE</envar> behaves the same as <xref
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<envar>PGSERVICE</envar> behaves the same as the <xref
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linkend="libpq-connect-service"> connection parameter.
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</para>
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</listitem>
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@ -5777,17 +5802,27 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGOPTIONS</envar></primary>
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</indexterm>
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<envar>PGOPTIONS</envar> behaves the same as <xref
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<envar>PGOPTIONS</envar> behaves the same as the <xref
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linkend="libpq-connect-options"> connection parameter.
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</para>
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</listitem>
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<listitem>
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<para>
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<indexterm>
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<primary><envar>PGAPPNAME</envar></primary>
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</indexterm>
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<envar>PGAPPNAME</envar> behaves the same as the <xref
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linkend="libpq-connect-application-name"> connection parameter.
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</para>
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</listitem>
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<listitem>
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<para>
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<indexterm>
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<primary><envar>PGSSLMODE</envar></primary>
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</indexterm>
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<envar>PGSSLMODE</envar> behaves the same as <xref
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<envar>PGSSLMODE</envar> behaves the same as the <xref
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linkend="libpq-connect-sslmode"> connection parameter.
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</para>
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</listitem>
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@ -5797,7 +5832,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGREQUIRESSL</envar></primary>
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</indexterm>
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<envar>PGREQUIRESSL</envar> behaves the same as <xref
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<envar>PGREQUIRESSL</envar> behaves the same as the <xref
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linkend="libpq-connect-requiressl"> connection parameter.
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</para>
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</listitem>
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@ -5807,7 +5842,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGSSLCERT</envar></primary>
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</indexterm>
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<envar>PGSSLCERT</envar> behaves the same as <xref
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<envar>PGSSLCERT</envar> behaves the same as the <xref
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linkend="libpq-connect-sslcert"> connection parameter.
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</para>
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</listitem>
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@ -5817,7 +5852,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGSSLKEY</envar></primary>
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</indexterm>
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<envar>PGSSLKEY</envar> behaves the same as <xref
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<envar>PGSSLKEY</envar> behaves the same as the <xref
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linkend="libpq-connect-sslkey"> connection parameter.
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</para>
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</listitem>
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@ -5827,7 +5862,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGSSLROOTCERT</envar></primary>
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</indexterm>
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<envar>PGSSLROOTCERT</envar> behaves the same as <xref
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<envar>PGSSLROOTCERT</envar> behaves the same as the <xref
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linkend="libpq-connect-sslrootcert"> connection parameter.
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</para>
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</listitem>
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@ -5837,7 +5872,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGSSLCRL</envar></primary>
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</indexterm>
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<envar>PGSSLCRL</envar> behaves the same as <xref
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<envar>PGSSLCRL</envar> behaves the same as the <xref
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linkend="libpq-connect-sslcrl"> connection parameter.
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</para>
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</listitem>
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@ -5847,7 +5882,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGKRBSRVNAME</envar></primary>
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</indexterm>
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<envar>PGKRBSRVNAME</envar> behaves the same as <xref
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<envar>PGKRBSRVNAME</envar> behaves the same as the <xref
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linkend="libpq-connect-krbsrvname"> connection parameter.
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</para>
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</listitem>
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@ -5857,7 +5892,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGGSSLIB</envar></primary>
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</indexterm>
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<envar>PGGSSLIB</envar> behaves the same as <xref
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<envar>PGGSSLIB</envar> behaves the same as the <xref
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linkend="libpq-connect-gsslib"> connection parameter.
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</para>
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</listitem>
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@ -5867,7 +5902,7 @@ myEventProc(PGEventId evtId, void *evtInfo, void *passThrough)
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<indexterm>
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<primary><envar>PGCONNECT_TIMEOUT</envar></primary>
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</indexterm>
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<envar>PGCONNECT_TIMEOUT</envar> behaves the same as <xref
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<envar>PGCONNECT_TIMEOUT</envar> behaves the same as the <xref
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linkend="libpq-connect-connect-timeout"> connection parameter.
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</para>
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</listitem>
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@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.71 2009/06/26 22:08:17 tgl Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.72 2009/11/28 23:38:07 tgl Exp $ -->
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<chapter id="monitoring">
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<title>Monitoring Database Activity</title>
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@ -238,12 +238,12 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
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name, process <acronym>ID</>, user OID, user name, current query,
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query's waiting status, time at which the current transaction and
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current query began execution, time at which the process was
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started, and client's address and port number. The columns that
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report data on the current query are available unless the parameter
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<varname>track_activities</varname> has been turned off.
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Furthermore, these columns are only visible if the user examining
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the view is a superuser or the same as the user owning the process
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being reported on.
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started, client's address and port number, and application name.
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The columns that report data on the current query are available unless
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the parameter <varname>track_activities</varname> has been turned off.
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Furthermore, these columns and the application name are only visible if
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the user examining the view is a superuser or the same as the user
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owning the process being reported on.
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</entry>
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</row>
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@ -3,7 +3,7 @@
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*
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* Copyright (c) 1996-2009, PostgreSQL Global Development Group
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*
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* $PostgreSQL: pgsql/src/backend/catalog/system_views.sql,v 1.61 2009/10/07 22:14:18 alvherre Exp $
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* $PostgreSQL: pgsql/src/backend/catalog/system_views.sql,v 1.62 2009/11/28 23:38:07 tgl Exp $
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*/
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CREATE VIEW pg_roles AS
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@ -339,7 +339,8 @@ CREATE VIEW pg_stat_activity AS
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S.query_start,
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S.backend_start,
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S.client_addr,
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S.client_port
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S.client_port,
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S.application_name
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FROM pg_database D, pg_stat_get_activity(NULL) AS S, pg_authid U
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WHERE S.datid = D.oid AND
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S.usesysid = U.oid;
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@ -13,7 +13,7 @@
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*
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* Copyright (c) 2001-2009, PostgreSQL Global Development Group
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*
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* $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.192 2009/10/02 22:49:50 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.193 2009/11/28 23:38:07 tgl Exp $
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* ----------
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*/
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#include "postgres.h"
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@ -2073,6 +2073,7 @@ pgstat_fetch_global(void)
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static PgBackendStatus *BackendStatusArray = NULL;
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static PgBackendStatus *MyBEEntry = NULL;
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static char *BackendAppnameBuffer = NULL;
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static char *BackendActivityBuffer = NULL;
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@ -2084,14 +2085,17 @@ BackendStatusShmemSize(void)
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{
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Size size;
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size = add_size(mul_size(sizeof(PgBackendStatus), MaxBackends),
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size = mul_size(sizeof(PgBackendStatus), MaxBackends);
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size = add_size(size,
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mul_size(NAMEDATALEN, MaxBackends));
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size = add_size(size,
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mul_size(pgstat_track_activity_query_size, MaxBackends));
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return size;
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}
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/*
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* Initialize the shared status array and activity string buffer during
|
||||
* postmaster startup.
|
||||
* Initialize the shared status array and activity/appname string buffers
|
||||
* during postmaster startup.
|
||||
*/
|
||||
void
|
||||
CreateSharedBackendStatus(void)
|
||||
@ -2114,6 +2118,24 @@ CreateSharedBackendStatus(void)
|
||||
MemSet(BackendStatusArray, 0, size);
|
||||
}
|
||||
|
||||
/* Create or attach to the shared appname buffer */
|
||||
size = mul_size(NAMEDATALEN, MaxBackends);
|
||||
BackendAppnameBuffer = (char *)
|
||||
ShmemInitStruct("Backend Application Name Buffer", size, &found);
|
||||
|
||||
if (!found)
|
||||
{
|
||||
MemSet(BackendAppnameBuffer, 0, size);
|
||||
|
||||
/* Initialize st_appname pointers. */
|
||||
buffer = BackendAppnameBuffer;
|
||||
for (i = 0; i < MaxBackends; i++)
|
||||
{
|
||||
BackendStatusArray[i].st_appname = buffer;
|
||||
buffer += NAMEDATALEN;
|
||||
}
|
||||
}
|
||||
|
||||
/* Create or attach to the shared activity buffer */
|
||||
size = mul_size(pgstat_track_activity_query_size, MaxBackends);
|
||||
BackendActivityBuffer = (char *)
|
||||
@ -2159,7 +2181,8 @@ pgstat_initialize(void)
|
||||
* pgstat_bestart() -
|
||||
*
|
||||
* Initialize this backend's entry in the PgBackendStatus array.
|
||||
* Called from InitPostgres. MyDatabaseId and session userid must be set
|
||||
* Called from InitPostgres.
|
||||
* MyDatabaseId, session userid, and application_name must be set
|
||||
* (hence, this cannot be combined with pgstat_initialize).
|
||||
* ----------
|
||||
*/
|
||||
@ -2214,12 +2237,18 @@ pgstat_bestart(void)
|
||||
beentry->st_userid = userid;
|
||||
beentry->st_clientaddr = clientaddr;
|
||||
beentry->st_waiting = false;
|
||||
beentry->st_appname[0] = '\0';
|
||||
beentry->st_activity[0] = '\0';
|
||||
/* Also make sure the last byte in the string area is always 0 */
|
||||
/* Also make sure the last byte in each string area is always 0 */
|
||||
beentry->st_appname[NAMEDATALEN - 1] = '\0';
|
||||
beentry->st_activity[pgstat_track_activity_query_size - 1] = '\0';
|
||||
|
||||
beentry->st_changecount++;
|
||||
Assert((beentry->st_changecount & 1) == 0);
|
||||
|
||||
/* Update app name to current GUC setting */
|
||||
if (application_name)
|
||||
pgstat_report_appname(application_name);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -2302,6 +2331,38 @@ pgstat_report_activity(const char *cmd_str)
|
||||
Assert((beentry->st_changecount & 1) == 0);
|
||||
}
|
||||
|
||||
/* ----------
|
||||
* pgstat_report_appname() -
|
||||
*
|
||||
* Called to update our application name.
|
||||
* ----------
|
||||
*/
|
||||
void
|
||||
pgstat_report_appname(const char *appname)
|
||||
{
|
||||
volatile PgBackendStatus *beentry = MyBEEntry;
|
||||
int len;
|
||||
|
||||
if (!beentry)
|
||||
return;
|
||||
|
||||
/* This should be unnecessary if GUC did its job, but be safe */
|
||||
len = pg_mbcliplen(appname, strlen(appname), NAMEDATALEN - 1);
|
||||
|
||||
/*
|
||||
* Update my status entry, following the protocol of bumping
|
||||
* st_changecount before and after. We use a volatile pointer here to
|
||||
* ensure the compiler doesn't try to get cute.
|
||||
*/
|
||||
beentry->st_changecount++;
|
||||
|
||||
memcpy((char *) beentry->st_appname, appname, len);
|
||||
beentry->st_appname[len] = '\0';
|
||||
|
||||
beentry->st_changecount++;
|
||||
Assert((beentry->st_changecount & 1) == 0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Report current transaction start timestamp as the specified value.
|
||||
* Zero means there is no active transaction.
|
||||
@ -2364,7 +2425,8 @@ pgstat_read_current_status(void)
|
||||
volatile PgBackendStatus *beentry;
|
||||
PgBackendStatus *localtable;
|
||||
PgBackendStatus *localentry;
|
||||
char *localactivity;
|
||||
char *localappname,
|
||||
*localactivity;
|
||||
int i;
|
||||
|
||||
Assert(!pgStatRunningInCollector);
|
||||
@ -2376,6 +2438,9 @@ pgstat_read_current_status(void)
|
||||
localtable = (PgBackendStatus *)
|
||||
MemoryContextAlloc(pgStatLocalContext,
|
||||
sizeof(PgBackendStatus) * MaxBackends);
|
||||
localappname = (char *)
|
||||
MemoryContextAlloc(pgStatLocalContext,
|
||||
NAMEDATALEN * MaxBackends);
|
||||
localactivity = (char *)
|
||||
MemoryContextAlloc(pgStatLocalContext,
|
||||
pgstat_track_activity_query_size * MaxBackends);
|
||||
@ -2405,6 +2470,8 @@ pgstat_read_current_status(void)
|
||||
* strcpy is safe even if the string is modified concurrently,
|
||||
* because there's always a \0 at the end of the buffer.
|
||||
*/
|
||||
strcpy(localappname, (char *) beentry->st_appname);
|
||||
localentry->st_appname = localappname;
|
||||
strcpy(localactivity, (char *) beentry->st_activity);
|
||||
localentry->st_activity = localactivity;
|
||||
}
|
||||
@ -2422,6 +2489,7 @@ pgstat_read_current_status(void)
|
||||
if (localentry->st_procpid > 0)
|
||||
{
|
||||
localentry++;
|
||||
localappname += NAMEDATALEN;
|
||||
localactivity += pgstat_track_activity_query_size;
|
||||
localNumBackends++;
|
||||
}
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/utils/adt/pgstatfuncs.c,v 1.54 2009/06/11 14:49:04 momjian Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/utils/adt/pgstatfuncs.c,v 1.55 2009/11/28 23:38:07 tgl Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -416,7 +416,7 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
|
||||
|
||||
oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
|
||||
|
||||
tupdesc = CreateTemplateTupleDesc(10, false);
|
||||
tupdesc = CreateTemplateTupleDesc(11, false);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 1, "datid", OIDOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 2, "procpid", INT4OID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 3, "usesysid", OIDOID, -1, 0);
|
||||
@ -427,6 +427,7 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 8, "backend_start", TIMESTAMPTZOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 9, "client_addr", INETOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 10, "client_port", INT4OID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 11, "application_name", TEXTOID, -1, 0);
|
||||
|
||||
funcctx->tuple_desc = BlessTupleDesc(tupdesc);
|
||||
|
||||
@ -478,8 +479,8 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
|
||||
if (funcctx->call_cntr < funcctx->max_calls)
|
||||
{
|
||||
/* for each row */
|
||||
Datum values[10];
|
||||
bool nulls[10];
|
||||
Datum values[11];
|
||||
bool nulls[11];
|
||||
HeapTuple tuple;
|
||||
PgBackendStatus *beentry;
|
||||
SockAddr zero_clientaddr;
|
||||
@ -599,6 +600,12 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
|
||||
nulls[9] = true;
|
||||
}
|
||||
}
|
||||
|
||||
/* application name */
|
||||
if (beentry->st_appname)
|
||||
values[10] = CStringGetTextDatum(beentry->st_appname);
|
||||
else
|
||||
nulls[10] = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
@ -610,6 +617,7 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
|
||||
nulls[7] = true;
|
||||
nulls[8] = true;
|
||||
nulls[9] = true;
|
||||
nulls[10] = true;
|
||||
}
|
||||
|
||||
tuple = heap_form_tuple(funcctx->tuple_desc, values, nulls);
|
||||
|
||||
@ -42,7 +42,7 @@
|
||||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.218 2009/10/17 00:24:50 mha Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.219 2009/11/28 23:38:07 tgl Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -68,6 +68,7 @@
|
||||
#include "storage/ipc.h"
|
||||
#include "storage/proc.h"
|
||||
#include "tcop/tcopprot.h"
|
||||
#include "utils/guc.h"
|
||||
#include "utils/memutils.h"
|
||||
#include "utils/ps_status.h"
|
||||
|
||||
@ -1798,6 +1799,16 @@ log_line_prefix(StringInfo buf, ErrorData *edata)
|
||||
/* process the option */
|
||||
switch (Log_line_prefix[i])
|
||||
{
|
||||
case 'a':
|
||||
if (MyProcPort)
|
||||
{
|
||||
const char *appname = application_name;
|
||||
|
||||
if (appname == NULL || *appname == '\0')
|
||||
appname = _("[unknown]");
|
||||
appendStringInfo(buf, "%s", appname);
|
||||
}
|
||||
break;
|
||||
case 'u':
|
||||
if (MyProcPort)
|
||||
{
|
||||
@ -2103,6 +2114,11 @@ write_csvlog(ErrorData *edata)
|
||||
appendCSVLiteral(&buf, msgbuf.data);
|
||||
pfree(msgbuf.data);
|
||||
}
|
||||
appendStringInfoCharMacro(&buf, ',');
|
||||
|
||||
/* application name */
|
||||
if (application_name)
|
||||
appendCSVLiteral(&buf, application_name);
|
||||
|
||||
appendStringInfoChar(&buf, '\n');
|
||||
|
||||
|
||||
@ -10,7 +10,7 @@
|
||||
* Written by Peter Eisentraut <peter_e@gmx.net>.
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.523 2009/10/21 20:38:58 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.524 2009/11/28 23:38:07 tgl Exp $
|
||||
*
|
||||
*--------------------------------------------------------------------
|
||||
*/
|
||||
@ -168,6 +168,7 @@ static bool assign_maxconnections(int newval, bool doit, GucSource source);
|
||||
static bool assign_autovacuum_max_workers(int newval, bool doit, GucSource source);
|
||||
static bool assign_effective_io_concurrency(int newval, bool doit, GucSource source);
|
||||
static const char *assign_pgstat_temp_directory(const char *newval, bool doit, GucSource source);
|
||||
static const char *assign_application_name(const char *newval, bool doit, GucSource source);
|
||||
|
||||
static char *config_enum_get_options(struct config_enum * record,
|
||||
const char *prefix, const char *suffix,
|
||||
@ -378,6 +379,8 @@ char *pgstat_temp_directory;
|
||||
|
||||
char *default_do_language;
|
||||
|
||||
char *application_name;
|
||||
|
||||
int tcp_keepalives_idle;
|
||||
int tcp_keepalives_interval;
|
||||
int tcp_keepalives_count;
|
||||
@ -2534,6 +2537,16 @@ static struct config_string ConfigureNamesString[] =
|
||||
"plpgsql", NULL, NULL
|
||||
},
|
||||
|
||||
{
|
||||
{"application_name", PGC_USERSET, LOGGING,
|
||||
gettext_noop("Sets the application name to be reported in statistics and logs."),
|
||||
NULL,
|
||||
GUC_IS_NAME | GUC_NOT_IN_SAMPLE
|
||||
},
|
||||
&application_name,
|
||||
"", assign_application_name, NULL
|
||||
},
|
||||
|
||||
/* End-of-list marker */
|
||||
{
|
||||
{NULL, 0, 0, NULL, NULL}, NULL, NULL, NULL, NULL
|
||||
@ -7717,4 +7730,28 @@ assign_pgstat_temp_directory(const char *newval, bool doit, GucSource source)
|
||||
return newval;
|
||||
}
|
||||
|
||||
static const char *
|
||||
assign_application_name(const char *newval, bool doit, GucSource source)
|
||||
{
|
||||
if (doit)
|
||||
{
|
||||
/* Only allow clean ASCII chars in the application name */
|
||||
char *repval = guc_strdup(ERROR, newval);
|
||||
char *p;
|
||||
|
||||
for (p = repval; *p; p++)
|
||||
{
|
||||
if (*p < 32 || *p > 126)
|
||||
*p = '?';
|
||||
}
|
||||
|
||||
/* Update the pg_stat_activity view */
|
||||
pgstat_report_appname(repval);
|
||||
|
||||
return repval;
|
||||
}
|
||||
else
|
||||
return newval;
|
||||
}
|
||||
|
||||
#include "guc-file.c"
|
||||
|
||||
@ -334,6 +334,7 @@
|
||||
#log_duration = off
|
||||
#log_hostname = off
|
||||
#log_line_prefix = '' # special values:
|
||||
# %a = application name
|
||||
# %u = user name
|
||||
# %d = database name
|
||||
# %r = remote host and port
|
||||
|
||||
@ -37,7 +37,7 @@
|
||||
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.551 2009/11/20 20:38:11 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.552 2009/11/28 23:38:07 tgl Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -53,6 +53,6 @@
|
||||
*/
|
||||
|
||||
/* yyyymmddN */
|
||||
#define CATALOG_VERSION_NO 200911201
|
||||
#define CATALOG_VERSION_NO 200911281
|
||||
|
||||
#endif
|
||||
|
||||
@ -7,7 +7,7 @@
|
||||
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.552 2009/10/09 21:02:56 petere Exp $
|
||||
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.553 2009/11/28 23:38:07 tgl Exp $
|
||||
*
|
||||
* NOTES
|
||||
* The script catalog/genbki.sh reads this file and generates .bki
|
||||
@ -2999,7 +2999,7 @@ DATA(insert OID = 2784 ( pg_stat_get_last_autoanalyze_time PGNSP PGUID 12 1 0 0
|
||||
DESCR("statistics: last auto analyze time for a table");
|
||||
DATA(insert OID = 1936 ( pg_stat_get_backend_idset PGNSP PGUID 12 1 100 0 f f f t t s 0 0 23 "" _null_ _null_ _null_ _null_ pg_stat_get_backend_idset _null_ _null_ _null_ ));
|
||||
DESCR("statistics: currently active backend IDs");
|
||||
DATA(insert OID = 2022 ( pg_stat_get_activity PGNSP PGUID 12 1 100 0 f f f f t s 1 0 2249 "23" "{23,26,23,26,25,16,1184,1184,1184,869,23}" "{i,o,o,o,o,o,o,o,o,o,o}" "{pid,datid,procpid,usesysid,current_query,waiting,xact_start,query_start,backend_start,client_addr,client_port}" _null_ pg_stat_get_activity _null_ _null_ _null_ ));
|
||||
DATA(insert OID = 2022 ( pg_stat_get_activity PGNSP PGUID 12 1 100 0 f f f f t s 1 0 2249 "23" "{23,26,23,26,25,16,1184,1184,1184,869,23,25}" "{i,o,o,o,o,o,o,o,o,o,o,o}" "{pid,datid,procpid,usesysid,current_query,waiting,xact_start,query_start,backend_start,client_addr,client_port,application_name}" _null_ pg_stat_get_activity _null_ _null_ _null_ ));
|
||||
DESCR("statistics: information about currently active backends");
|
||||
DATA(insert OID = 2026 ( pg_backend_pid PGNSP PGUID 12 1 0 0 f f f t f s 0 0 23 "" _null_ _null_ _null_ _null_ pg_backend_pid _null_ _null_ _null_ ));
|
||||
DESCR("statistics: current backend PID");
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
*
|
||||
* Copyright (c) 2001-2009, PostgreSQL Global Development Group
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/pgstat.h,v 1.83 2009/06/11 14:49:08 momjian Exp $
|
||||
* $PostgreSQL: pgsql/src/include/pgstat.h,v 1.84 2009/11/28 23:38:08 tgl Exp $
|
||||
* ----------
|
||||
*/
|
||||
#ifndef PGSTAT_H
|
||||
@ -564,6 +564,9 @@ typedef struct PgBackendStatus
|
||||
/* Is backend currently waiting on an lmgr lock? */
|
||||
bool st_waiting;
|
||||
|
||||
/* application name; MUST be null-terminated */
|
||||
char *st_appname;
|
||||
|
||||
/* current command string; MUST be null-terminated */
|
||||
char *st_activity;
|
||||
} PgBackendStatus;
|
||||
@ -641,7 +644,8 @@ extern void pgstat_report_analyze(Relation rel,
|
||||
extern void pgstat_initialize(void);
|
||||
extern void pgstat_bestart(void);
|
||||
|
||||
extern void pgstat_report_activity(const char *what);
|
||||
extern void pgstat_report_activity(const char *cmd_str);
|
||||
extern void pgstat_report_appname(const char *appname);
|
||||
extern void pgstat_report_xact_timestamp(TimestampTz tstamp);
|
||||
extern void pgstat_report_waiting(bool waiting);
|
||||
extern const char *pgstat_get_backend_current_activity(int pid, bool checkUser);
|
||||
|
||||
@ -7,7 +7,7 @@
|
||||
* Copyright (c) 2000-2009, PostgreSQL Global Development Group
|
||||
* Written by Peter Eisentraut <peter_e@gmx.net>.
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/utils/guc.h,v 1.108 2009/10/13 14:18:40 alvherre Exp $
|
||||
* $PostgreSQL: pgsql/src/include/utils/guc.h,v 1.109 2009/11/28 23:38:08 tgl Exp $
|
||||
*--------------------------------------------------------------------
|
||||
*/
|
||||
#ifndef GUC_H
|
||||
@ -183,6 +183,8 @@ extern char *external_pid_file;
|
||||
|
||||
extern char *default_do_language;
|
||||
|
||||
extern char *application_name;
|
||||
|
||||
extern int tcp_keepalives_idle;
|
||||
extern int tcp_keepalives_interval;
|
||||
extern int tcp_keepalives_count;
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/interfaces/libpq/fe-connect.c,v 1.377 2009/09/27 03:43:10 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/interfaces/libpq/fe-connect.c,v 1.378 2009/11/28 23:38:08 tgl Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -164,6 +164,12 @@ static const PQconninfoOption PQconninfoOptions[] = {
|
||||
{"options", "PGOPTIONS", DefaultOption, NULL,
|
||||
"Backend-Debug-Options", "D", 40},
|
||||
|
||||
{"application_name", "PGAPPNAME", NULL, NULL,
|
||||
"Application-Name", "", 64},
|
||||
|
||||
{"fallback_application_name", NULL, NULL, NULL,
|
||||
"Fallback-Application-Name", "", 64},
|
||||
|
||||
#ifdef USE_SSL
|
||||
|
||||
/*
|
||||
@ -256,6 +262,7 @@ static int parseServiceInfo(PQconninfoOption *options,
|
||||
static char *pwdfMatchesString(char *buf, char *token);
|
||||
static char *PasswordFromFile(char *hostname, char *port, char *dbname,
|
||||
char *username);
|
||||
static PostgresPollingStatusType pqAppnamePoll(PGconn *conn);
|
||||
static void default_threadlock(int acquire);
|
||||
|
||||
|
||||
@ -416,6 +423,10 @@ connectOptions1(PGconn *conn, const char *conninfo)
|
||||
conn->pgtty = tmp ? strdup(tmp) : NULL;
|
||||
tmp = conninfo_getval(connOptions, "options");
|
||||
conn->pgoptions = tmp ? strdup(tmp) : NULL;
|
||||
tmp = conninfo_getval(connOptions, "application_name");
|
||||
conn->appname = tmp ? strdup(tmp) : NULL;
|
||||
tmp = conninfo_getval(connOptions, "fallback_application_name");
|
||||
conn->fbappname = tmp ? strdup(tmp) : NULL;
|
||||
tmp = conninfo_getval(connOptions, "dbname");
|
||||
conn->dbName = tmp ? strdup(tmp) : NULL;
|
||||
tmp = conninfo_getval(connOptions, "user");
|
||||
@ -1064,7 +1075,7 @@ PQconnectPoll(PGconn *conn)
|
||||
case CONNECTION_MADE:
|
||||
break;
|
||||
|
||||
/* We allow pqSetenvPoll to decide whether to proceed. */
|
||||
/* pqSetenvPoll/pqAppnamePoll will decide whether to proceed. */
|
||||
case CONNECTION_SETENV:
|
||||
break;
|
||||
|
||||
@ -1888,6 +1899,12 @@ keep_going: /* We will come back to here until there is
|
||||
conn->addrlist = NULL;
|
||||
conn->addr_cur = NULL;
|
||||
|
||||
/*
|
||||
* Note: To avoid changing the set of application-visible
|
||||
* connection states, v2 environment setup and v3 application
|
||||
* name setup both happen in the CONNECTION_SETENV state.
|
||||
*/
|
||||
|
||||
/* Fire up post-connection housekeeping if needed */
|
||||
if (PG_PROTOCOL_MAJOR(conn->pversion) < 3)
|
||||
{
|
||||
@ -1896,6 +1913,13 @@ keep_going: /* We will come back to here until there is
|
||||
conn->next_eo = EnvironmentOptions;
|
||||
return PGRES_POLLING_WRITING;
|
||||
}
|
||||
else if (conn->sversion >= 80500 &&
|
||||
(conn->appname || conn->fbappname))
|
||||
{
|
||||
conn->status = CONNECTION_SETENV;
|
||||
conn->appname_state = APPNAME_STATE_CMD_SEND;
|
||||
return PGRES_POLLING_WRITING;
|
||||
}
|
||||
|
||||
/* Otherwise, we are open for business! */
|
||||
conn->status = CONNECTION_OK;
|
||||
@ -1903,42 +1927,49 @@ keep_going: /* We will come back to here until there is
|
||||
}
|
||||
|
||||
case CONNECTION_SETENV:
|
||||
|
||||
/*
|
||||
* Do post-connection housekeeping (only needed in protocol 2.0).
|
||||
*
|
||||
* We pretend that the connection is OK for the duration of these
|
||||
* queries.
|
||||
*/
|
||||
conn->status = CONNECTION_OK;
|
||||
|
||||
switch (pqSetenvPoll(conn))
|
||||
{
|
||||
case PGRES_POLLING_OK: /* Success */
|
||||
break;
|
||||
PostgresPollingStatusType ret;
|
||||
|
||||
case PGRES_POLLING_READING: /* Still going */
|
||||
conn->status = CONNECTION_SETENV;
|
||||
return PGRES_POLLING_READING;
|
||||
/*
|
||||
* Do post-connection housekeeping (only needed in protocol
|
||||
* 2.0), or send the application name in PG8.5+.
|
||||
*
|
||||
* We pretend that the connection is OK for the duration of
|
||||
* these queries.
|
||||
*/
|
||||
conn->status = CONNECTION_OK;
|
||||
|
||||
case PGRES_POLLING_WRITING: /* Still going */
|
||||
conn->status = CONNECTION_SETENV;
|
||||
return PGRES_POLLING_WRITING;
|
||||
if (PG_PROTOCOL_MAJOR(conn->pversion) < 3)
|
||||
ret = pqSetenvPoll(conn);
|
||||
else /* must be here to send app name */
|
||||
ret = pqAppnamePoll(conn);
|
||||
|
||||
default:
|
||||
goto error_return;
|
||||
switch (ret)
|
||||
{
|
||||
case PGRES_POLLING_OK: /* Success */
|
||||
break;
|
||||
|
||||
case PGRES_POLLING_READING: /* Still going */
|
||||
conn->status = CONNECTION_SETENV;
|
||||
return PGRES_POLLING_READING;
|
||||
|
||||
case PGRES_POLLING_WRITING: /* Still going */
|
||||
conn->status = CONNECTION_SETENV;
|
||||
return PGRES_POLLING_WRITING;
|
||||
|
||||
default:
|
||||
goto error_return;
|
||||
}
|
||||
|
||||
/* We are open for business! */
|
||||
conn->status = CONNECTION_OK;
|
||||
return PGRES_POLLING_OK;
|
||||
}
|
||||
|
||||
/* We are open for business! */
|
||||
conn->status = CONNECTION_OK;
|
||||
return PGRES_POLLING_OK;
|
||||
|
||||
default:
|
||||
appendPQExpBuffer(&conn->errorMessage,
|
||||
libpq_gettext(
|
||||
"invalid connection state %c, "
|
||||
"probably indicative of memory corruption\n"
|
||||
),
|
||||
libpq_gettext("invalid connection state %d, "
|
||||
"probably indicative of memory corruption\n"),
|
||||
conn->status);
|
||||
goto error_return;
|
||||
}
|
||||
@ -2000,6 +2031,7 @@ makeEmptyPGconn(void)
|
||||
conn->options_valid = false;
|
||||
conn->nonblocking = false;
|
||||
conn->setenv_state = SETENV_STATE_IDLE;
|
||||
conn->appname_state = APPNAME_STATE_IDLE;
|
||||
conn->client_encoding = PG_SQL_ASCII;
|
||||
conn->std_strings = false; /* unless server says differently */
|
||||
conn->verbosity = PQERRORS_DEFAULT;
|
||||
@ -2082,6 +2114,10 @@ freePGconn(PGconn *conn)
|
||||
free(conn->connect_timeout);
|
||||
if (conn->pgoptions)
|
||||
free(conn->pgoptions);
|
||||
if (conn->appname)
|
||||
free(conn->appname);
|
||||
if (conn->fbappname)
|
||||
free(conn->fbappname);
|
||||
if (conn->dbName)
|
||||
free(conn->dbName);
|
||||
if (conn->pguser)
|
||||
@ -4005,6 +4041,129 @@ pqGetHomeDirectory(char *buf, int bufsize)
|
||||
#endif
|
||||
}
|
||||
|
||||
/*
|
||||
* pqAppnamePoll
|
||||
*
|
||||
* Polls the process of passing the application name to the backend.
|
||||
*
|
||||
* Ideally, we'd include the appname in the startup packet, but that would
|
||||
* cause old backends to reject the unknown parameter. So we send it in a
|
||||
* separate query after we have determined the backend version. Once there
|
||||
* is no interest in pre-8.5 backends, this should be folded into the startup
|
||||
* packet logic.
|
||||
*/
|
||||
static PostgresPollingStatusType
|
||||
pqAppnamePoll(PGconn *conn)
|
||||
{
|
||||
PGresult *res;
|
||||
|
||||
if (conn == NULL || conn->status == CONNECTION_BAD)
|
||||
return PGRES_POLLING_FAILED;
|
||||
|
||||
/* Check whether there is any data for us */
|
||||
switch (conn->appname_state)
|
||||
{
|
||||
/* This is a reading state. */
|
||||
case APPNAME_STATE_CMD_WAIT:
|
||||
{
|
||||
/* Load waiting data */
|
||||
int n = pqReadData(conn);
|
||||
|
||||
if (n < 0)
|
||||
goto error_return;
|
||||
if (n == 0)
|
||||
return PGRES_POLLING_READING;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
/* This is a writing state, so we just proceed. */
|
||||
case APPNAME_STATE_CMD_SEND:
|
||||
break;
|
||||
|
||||
/* Should we raise an error if called when not active? */
|
||||
case APPNAME_STATE_IDLE:
|
||||
return PGRES_POLLING_OK;
|
||||
|
||||
default:
|
||||
printfPQExpBuffer(&conn->errorMessage,
|
||||
libpq_gettext("invalid appname state %d, "
|
||||
"probably indicative of memory corruption\n"),
|
||||
conn->appname_state);
|
||||
goto error_return;
|
||||
}
|
||||
|
||||
/* We will loop here until there is nothing left to do in this call. */
|
||||
for (;;)
|
||||
{
|
||||
switch (conn->appname_state)
|
||||
{
|
||||
case APPNAME_STATE_CMD_SEND:
|
||||
{
|
||||
const char *val;
|
||||
char escVal[NAMEDATALEN*2 + 1];
|
||||
char setQuery[NAMEDATALEN*2 + 26 + 1];
|
||||
|
||||
/* Use appname if present, otherwise use fallback */
|
||||
val = conn->appname ? conn->appname : conn->fbappname;
|
||||
|
||||
/*
|
||||
* Escape the data as needed. We can truncate to NAMEDATALEN,
|
||||
* so there's no need to cope with malloc.
|
||||
*/
|
||||
PQescapeStringConn(conn, escVal, val, NAMEDATALEN, NULL);
|
||||
|
||||
sprintf(setQuery, "SET application_name = '%s'", escVal);
|
||||
|
||||
if (!PQsendQuery(conn, setQuery))
|
||||
goto error_return;
|
||||
|
||||
conn->appname_state = APPNAME_STATE_CMD_WAIT;
|
||||
break;
|
||||
}
|
||||
|
||||
case APPNAME_STATE_CMD_WAIT:
|
||||
{
|
||||
if (PQisBusy(conn))
|
||||
return PGRES_POLLING_READING;
|
||||
|
||||
res = PQgetResult(conn);
|
||||
|
||||
if (res)
|
||||
{
|
||||
if (PQresultStatus(res) != PGRES_COMMAND_OK)
|
||||
{
|
||||
PQclear(res);
|
||||
goto error_return;
|
||||
}
|
||||
PQclear(res);
|
||||
/* Keep reading until PQgetResult returns NULL */
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Query finished, so we're done */
|
||||
conn->appname_state = APPNAME_STATE_IDLE;
|
||||
return PGRES_POLLING_OK;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
printfPQExpBuffer(&conn->errorMessage,
|
||||
libpq_gettext("invalid appname state %d, "
|
||||
"probably indicative of memory corruption\n"),
|
||||
conn->appname_state);
|
||||
goto error_return;
|
||||
}
|
||||
}
|
||||
|
||||
/* Unreachable */
|
||||
|
||||
error_return:
|
||||
conn->appname_state = APPNAME_STATE_IDLE;
|
||||
return PGRES_POLLING_FAILED;
|
||||
}
|
||||
|
||||
/*
|
||||
* To keep the API consistent, the locking stubs are always provided, even
|
||||
* if they are not required.
|
||||
|
||||
@ -12,7 +12,7 @@
|
||||
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-int.h,v 1.144 2009/07/24 17:58:31 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-int.h,v 1.145 2009/11/28 23:38:08 tgl Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
@ -244,6 +244,14 @@ typedef enum
|
||||
SETENV_STATE_IDLE
|
||||
} PGSetenvStatusType;
|
||||
|
||||
/* PGAppnameStatusType defines the state of the PQAppname state machine */
|
||||
typedef enum
|
||||
{
|
||||
APPNAME_STATE_CMD_SEND, /* About to send the appname */
|
||||
APPNAME_STATE_CMD_WAIT, /* Waiting for above send to complete */
|
||||
APPNAME_STATE_IDLE
|
||||
} PGAppnameStatusType;
|
||||
|
||||
/* Typedef for the EnvironmentOptions[] array */
|
||||
typedef struct PQEnvironmentOption
|
||||
{
|
||||
@ -295,6 +303,8 @@ struct pg_conn
|
||||
* displayed (OBSOLETE, NOT USED) */
|
||||
char *connect_timeout; /* connection timeout (numeric string) */
|
||||
char *pgoptions; /* options to start the backend with */
|
||||
char *appname; /* application name */
|
||||
char *fbappname; /* fallback application name */
|
||||
char *dbName; /* database name */
|
||||
char *pguser; /* Postgres username and password, if any */
|
||||
char *pgpass;
|
||||
@ -349,6 +359,7 @@ struct pg_conn
|
||||
struct addrinfo *addr_cur; /* the one currently being tried */
|
||||
int addrlist_family; /* needed to know how to free addrlist */
|
||||
PGSetenvStatusType setenv_state; /* for 2.0 protocol only */
|
||||
PGAppnameStatusType appname_state;
|
||||
const PQEnvironmentOption *next_eo;
|
||||
|
||||
/* Miscellaneous stuff */
|
||||
|
||||
@ -1289,7 +1289,7 @@ SELECT viewname, definition FROM pg_views WHERE schemaname <> 'information_schem
|
||||
pg_rules | SELECT n.nspname AS schemaname, c.relname AS tablename, r.rulename, pg_get_ruledef(r.oid) AS definition FROM ((pg_rewrite r JOIN pg_class c ON ((c.oid = r.ev_class))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (r.rulename <> '_RETURN'::name);
|
||||
pg_settings | SELECT a.name, a.setting, a.unit, a.category, a.short_desc, a.extra_desc, a.context, a.vartype, a.source, a.min_val, a.max_val, a.enumvals, a.boot_val, a.reset_val, a.sourcefile, a.sourceline FROM pg_show_all_settings() a(name, setting, unit, category, short_desc, extra_desc, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, sourcefile, sourceline);
|
||||
pg_shadow | SELECT pg_authid.rolname AS usename, pg_authid.oid AS usesysid, pg_authid.rolcreatedb AS usecreatedb, pg_authid.rolsuper AS usesuper, pg_authid.rolcatupdate AS usecatupd, pg_authid.rolpassword AS passwd, (pg_authid.rolvaliduntil)::abstime AS valuntil, s.setconfig AS useconfig FROM (pg_authid LEFT JOIN pg_db_role_setting s ON (((pg_authid.oid = s.setrole) AND (s.setdatabase = (0)::oid)))) WHERE pg_authid.rolcanlogin;
|
||||
pg_stat_activity | SELECT s.datid, d.datname, s.procpid, s.usesysid, u.rolname AS usename, s.current_query, s.waiting, s.xact_start, s.query_start, s.backend_start, s.client_addr, s.client_port FROM pg_database d, pg_stat_get_activity(NULL::integer) s(datid, procpid, usesysid, current_query, waiting, xact_start, query_start, backend_start, client_addr, client_port), pg_authid u WHERE ((s.datid = d.oid) AND (s.usesysid = u.oid));
|
||||
pg_stat_activity | SELECT s.datid, d.datname, s.procpid, s.usesysid, u.rolname AS usename, s.current_query, s.waiting, s.xact_start, s.query_start, s.backend_start, s.client_addr, s.client_port, s.application_name FROM pg_database d, pg_stat_get_activity(NULL::integer) s(datid, procpid, usesysid, current_query, waiting, xact_start, query_start, backend_start, client_addr, client_port, application_name), pg_authid u WHERE ((s.datid = d.oid) AND (s.usesysid = u.oid));
|
||||
pg_stat_all_indexes | SELECT c.oid AS relid, i.oid AS indexrelid, n.nspname AS schemaname, c.relname, i.relname AS indexrelname, pg_stat_get_numscans(i.oid) AS idx_scan, pg_stat_get_tuples_returned(i.oid) AS idx_tup_read, pg_stat_get_tuples_fetched(i.oid) AS idx_tup_fetch FROM (((pg_class c JOIN pg_index x ON ((c.oid = x.indrelid))) JOIN pg_class i ON ((i.oid = x.indexrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"]));
|
||||
pg_stat_all_tables | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, pg_stat_get_numscans(c.oid) AS seq_scan, pg_stat_get_tuples_returned(c.oid) AS seq_tup_read, (sum(pg_stat_get_numscans(i.indexrelid)))::bigint AS idx_scan, ((sum(pg_stat_get_tuples_fetched(i.indexrelid)))::bigint + pg_stat_get_tuples_fetched(c.oid)) AS idx_tup_fetch, pg_stat_get_tuples_inserted(c.oid) AS n_tup_ins, pg_stat_get_tuples_updated(c.oid) AS n_tup_upd, pg_stat_get_tuples_deleted(c.oid) AS n_tup_del, pg_stat_get_tuples_hot_updated(c.oid) AS n_tup_hot_upd, pg_stat_get_live_tuples(c.oid) AS n_live_tup, pg_stat_get_dead_tuples(c.oid) AS n_dead_tup, pg_stat_get_last_vacuum_time(c.oid) AS last_vacuum, pg_stat_get_last_autovacuum_time(c.oid) AS last_autovacuum, pg_stat_get_last_analyze_time(c.oid) AS last_analyze, pg_stat_get_last_autoanalyze_time(c.oid) AS last_autoanalyze FROM ((pg_class c LEFT JOIN pg_index i ON ((c.oid = i.indrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])) GROUP BY c.oid, n.nspname, c.relname;
|
||||
pg_stat_bgwriter | SELECT pg_stat_get_bgwriter_timed_checkpoints() AS checkpoints_timed, pg_stat_get_bgwriter_requested_checkpoints() AS checkpoints_req, pg_stat_get_bgwriter_buf_written_checkpoints() AS buffers_checkpoint, pg_stat_get_bgwriter_buf_written_clean() AS buffers_clean, pg_stat_get_bgwriter_maxwritten_clean() AS maxwritten_clean, pg_stat_get_buf_written_backend() AS buffers_backend, pg_stat_get_buf_alloc() AS buffers_alloc;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user