Separate state from query string in pg_stat_activity
This separates the state (running/idle/idleintransaction etc) into
it's own field ("state"), and leaves the query field containing just
query text.
The query text will now mean "current query" when a query is running
and "last query" in other states. Accordingly,the field has been
renamed from current_query to query.
Since backwards compatibility was broken anyway to make that, the procpid
field has also been renamed to pid - along with the same field in
pg_stat_replication for consistency.
Scott Mead and Magnus Hagander, review work from Greg Smith
This commit is contained in:
Magnus Hagander
parent
fa352d662e
commit
4f42b546fd
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@ -242,20 +242,20 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
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<tbody>
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<row>
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<entry><structname>pg_stat_activity</><indexterm><primary>pg_stat_activity</primary></indexterm></entry>
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<entry>One row per server process, showing database OID, database
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name, process <acronym>ID</>, user OID, user name, application name,
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client's address, host name (if available), and port number, times at
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which the server process, current transaction, and current query began
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execution, process's waiting status, and text of the current query.
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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 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. The client's host name will be available only if
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<xref linkend="guc-log-hostname"> is set or if the user's host name
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needed to be looked up during <filename>pg_hba.conf</filename>
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processing.
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<entry>
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<structname>pg_stat_activity</structname>
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<indexterm><primary>pg_stat_activity</primary></indexterm>
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</entry>
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<entry>
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<para>One row per server process, showing information related to
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each connection to the server. Unless the
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<xref linkend="guc-track-activities"> parameter has been turned
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off, it is possible to monitor state and query information of
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all running processes.
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</para>
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<para>
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See <xref linkend="pg-stat-activity-view"> for more details.
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</para>
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</entry>
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</row>
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@ -529,6 +529,210 @@ postgres: <replaceable>user</> <replaceable>database</> <replaceable>host</> <re
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into the kernel's handling of I/O.
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</para>
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<table id="pg-stat-activity-view" xreflabel="pg_stat_activity">
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<title>pg_stat_activity view</title>
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<tgroup cols="3">
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<thead>
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<row>
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<entry>Column</entry>
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<entry>Type</entry>
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<entry>Description</entry>
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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>datid</entry>
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<entry><type>oid</></entry>
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<entry>The oid of the database the backend is connected to.</entry>
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</row>
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<row>
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<entry>datname</entry>
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<entry><type>name</></entry>
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<entry>The name of the database the backend is connected to.</entry>
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</row>
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<row>
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<entry>pid</entry>
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<entry><type>integer</></entry>
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<entry>The process ID of the backend.</entry>
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</row>
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<row>
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<entry>usesysid</entry>
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<entry><type>oid</></entry>
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<entry>The id of the user logged into the backend.</entry>
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</row>
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<row>
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<entry>usename</entry>
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<entry><type>name</></entry>
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<entry>The name of the user logged into the backend.</entry>
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</row>
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<row>
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<entry>application_name</entry>
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<entry><type>text</></entry>
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<entry>The name of the application that has initiated the connection
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to the backend.</entry>
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</row>
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<row>
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<entry>client_addr</entry>
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<entry><type>inet</></entry>
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<entry>The remote IP of the client connected to the backend.
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If this field is not set, it indicates that the client is either:
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<itemizedlist spacing="compact" mark="bullet">
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<listitem>
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<para>
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Connected via unix sockets on the server machine
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</para>
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</listitem>
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<listitem>
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<para>An internal process such as autovacuum</para>
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</listitem>
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</itemizedlist>
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</entry>
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</row>
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<row>
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<entry>client_hostname</entry>
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<entry><type>text</></entry>
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<entry>
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If available, the hostname of the client as reported by a
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reverse lookup of <structfield>client_addr</>. This field will
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only be set when <xref linkend="guc-log-hostname"> is enabled.
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</entry>
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</row>
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<row>
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<entry>client_port</entry>
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<entry><type>integer</></entry>
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<entry>
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The remote TCP port that the client is using for communication
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to the backend, or <symbol>NULL</> if a unix socket is used.
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</entry>
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</row>
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<row>
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<entry>backend_start</entry>
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<entry><type>timestamp with time zone</></entry>
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<entry>
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The time when this process was started, i.e. when the
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client connected to the server.
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</entry>
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</row>
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<row>
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<entry>xact_start</entry>
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<entry><type>timestamp with time zone</></entry>
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<entry>
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The time when the current transaction was started. If the client is
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using autocommit for transactions, this value is equal to the
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query_start column.
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</entry>
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</row>
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<row>
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<entry>query_start</entry>
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<entry><type>timestamp with time zone</></entry>
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<entry>
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The time when the currently active query started, or if
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<structfield>state</> is <literal>idle</>, when the last query
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was started.
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</entry>
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</row>
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<row>
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<entry>state_change</entry>
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<entry><type>timestamp with time zone</></entry>
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<entry>The time when the <structfield>state</> was last changed.</entry>
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</row>
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<row>
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<entry>waiting</entry>
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<entry><type>boolean</></entry>
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<entry>
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Boolean indicating if a backend is currently waiting on a lock.
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</entry>
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</row>
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<row>
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<entry>state</entry>
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<entry><type>text</></entry>
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<entry>
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The <structfield>state</> of the currently running query.
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Can be one of:
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<variablelist>
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<varlistentry>
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<term>active</term>
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<listitem>
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<para>
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The backend is executing a query.
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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>idle</term>
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<listitem>
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<para>
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There is no query executing in the backend.
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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>idle in transaction</term>
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<listitem>
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<para>
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The backend is in a transaction, but is currently not currently
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executing a query.
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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>idle in transaction (aborted)</term>
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<listitem>
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<para>
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This state is similar to <literal>idle in transaction</>,
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except one of the statements in the transaction caused an error.
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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>fastpath function call</term>
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<listitem>
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<para>
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The backend is executing a fast-path function.
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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>disabled</term>
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<listitem>
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<para>
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This state indicates that <xref linkend="guc-track-activities">
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is disabled.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<note>
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<para>
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The <structfield>waiting</> and <structfield>state</> columns are
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independent. If a query is in the <literal>active</> state,
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it may or may not be <literal>waiting</>. If a query is
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<literal>active</> and <structfield>waiting</> is true, it means
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that the query is being executed, but is being blocked by a lock
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somewhere in the system.
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</para>
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</note>
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</entry>
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</row>
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<row>
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<entry>query</entry>
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<entry><type>text</></entry>
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<entry>
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The most recent query that the backend has executed. If
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<structfield>state</> is <literal>active</> this means the currently
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executing query. In all other states, it means the last query that was
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executed.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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<sect3 id="monitoring-stats-functions">
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<title>Statistics Access Functions</title>
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<para>
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Other ways of looking at the statistics can be set up by writing
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queries that use the same underlying statistics access functions as
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@ -1264,6 +1468,7 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS procpid,
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</programlisting>
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</para>
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</sect3>
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</sect2>
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</sect1>
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@ -520,7 +520,7 @@ CREATE VIEW pg_stat_activity AS
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SELECT
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S.datid AS datid,
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D.datname AS datname,
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S.procpid,
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S.pid,
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S.usesysid,
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U.rolname AS usename,
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S.application_name,
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@ -530,15 +530,17 @@ CREATE VIEW pg_stat_activity AS
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S.backend_start,
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S.xact_start,
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S.query_start,
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S.state_change,
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S.waiting,
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S.current_query
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S.state,
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S.query
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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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CREATE VIEW pg_stat_replication AS
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SELECT
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S.procpid,
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S.pid,
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S.usesysid,
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U.rolname AS usename,
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S.application_name,
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@ -556,7 +558,7 @@ CREATE VIEW pg_stat_replication AS
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FROM pg_stat_get_activity(NULL) AS S, pg_authid U,
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pg_stat_get_wal_senders() AS W
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WHERE S.usesysid = U.oid AND
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S.procpid = W.procpid;
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S.pid = W.pid;
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CREATE VIEW pg_stat_database AS
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SELECT
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@ -2781,7 +2781,7 @@ autovac_report_activity(autovac_table *tab)
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/* Set statement_timestamp() to current time for pg_stat_activity */
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SetCurrentStatementStartTimestamp();
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pgstat_report_activity(activity);
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pgstat_report_activity(STATE_RUNNING, activity);
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}
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/*
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@ -2410,12 +2410,14 @@ pgstat_bestart(void)
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beentry->st_procpid = MyProcPid;
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beentry->st_proc_start_timestamp = proc_start_timestamp;
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beentry->st_activity_start_timestamp = 0;
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beentry->st_state_start_timestamp = 0;
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beentry->st_xact_start_timestamp = 0;
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beentry->st_databaseid = MyDatabaseId;
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beentry->st_userid = userid;
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beentry->st_clientaddr = clientaddr;
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beentry->st_clienthostname[0] = '\0';
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beentry->st_waiting = false;
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beentry->st_state = STATE_UNDEFINED;
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beentry->st_appname[0] = '\0';
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beentry->st_activity[0] = '\0';
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/* Also make sure the last byte in each string area is always 0 */
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@ -2476,39 +2478,70 @@ pgstat_beshutdown_hook(int code, Datum arg)
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*
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* Called from tcop/postgres.c to report what the backend is actually doing
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* (usually "<IDLE>" or the start of the query to be executed).
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*
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* All updates of the status entry follow the protocol of bumping
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* st_changecount before and after. We use a volatile pointer here to
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* ensure the compiler doesn't try to get cute.
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* ----------
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*/
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void
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pgstat_report_activity(const char *cmd_str)
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pgstat_report_activity(BackendState state, const char *cmd_str)
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{
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volatile PgBackendStatus *beentry = MyBEEntry;
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TimestampTz start_timestamp;
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TimestampTz current_timestamp;
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int len;
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TRACE_POSTGRESQL_STATEMENT_STATUS(cmd_str);
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if (!pgstat_track_activities || !beentry)
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if (!beentry)
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return;
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/*
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* To minimize the time spent modifying the entry, fetch all the needed
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* data first.
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*/
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start_timestamp = GetCurrentStatementStartTimestamp();
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current_timestamp = GetCurrentTimestamp();
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len = strlen(cmd_str);
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len = pg_mbcliplen(cmd_str, len, pgstat_track_activity_query_size - 1);
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if (!pgstat_track_activities && beentry->st_state != STATE_DISABLED)
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{
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/*
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* Track activities is disabled, but we have a non-disabled state set.
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* That means the status changed - so as our last update, tell the
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* collector that we disabled it and will no longer update.
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*/
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beentry->st_changecount++;
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beentry->st_state = STATE_DISABLED;
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beentry->st_state_start_timestamp = current_timestamp;
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beentry->st_changecount++;
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Assert((beentry->st_changecount & 1) == 0);
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return;
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}
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/*
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* Update my status entry, following the protocol of bumping
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* st_changecount before and after. We use a volatile pointer here to
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* ensure the compiler doesn't try to get cute.
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* Fetch more data before we start modifying the entry
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*/
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start_timestamp = GetCurrentStatementStartTimestamp();
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if (cmd_str != NULL)
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{
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len = strlen(cmd_str);
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len = pg_mbcliplen(cmd_str, len, pgstat_track_activity_query_size - 1);
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}
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/*
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* Now update the status entry
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*/
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beentry->st_changecount++;
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beentry->st_activity_start_timestamp = start_timestamp;
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memcpy((char *) beentry->st_activity, cmd_str, len);
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beentry->st_activity[len] = '\0';
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beentry->st_state = state;
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beentry->st_state_start_timestamp = current_timestamp;
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if (cmd_str != NULL)
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{
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memcpy((char *) beentry->st_activity, cmd_str, len);
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beentry->st_activity[len] = '\0';
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beentry->st_activity_start_timestamp = start_timestamp;
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}
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beentry->st_changecount++;
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Assert((beentry->st_changecount & 1) == 0);
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@ -809,7 +809,7 @@ exec_simple_query(const char *query_string)
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*/
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debug_query_string = query_string;
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pgstat_report_activity(query_string);
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pgstat_report_activity(STATE_RUNNING, query_string);
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TRACE_POSTGRESQL_QUERY_START(query_string);
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@ -1134,7 +1134,7 @@ exec_parse_message(const char *query_string, /* string to execute */
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*/
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debug_query_string = query_string;
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pgstat_report_activity(query_string);
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pgstat_report_activity(STATE_RUNNING, query_string);
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set_ps_display("PARSE", false);
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@ -1429,7 +1429,7 @@ exec_bind_message(StringInfo input_message)
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*/
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debug_query_string = psrc->query_string;
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pgstat_report_activity(psrc->query_string);
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pgstat_report_activity(STATE_RUNNING, psrc->query_string);
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set_ps_display("BIND", false);
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@ -1836,7 +1836,7 @@ exec_execute_message(const char *portal_name, long max_rows)
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*/
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debug_query_string = sourceText;
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pgstat_report_activity(sourceText);
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pgstat_report_activity(STATE_RUNNING, sourceText);
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set_ps_display(portal->commandTag, false);
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@ -3811,12 +3811,12 @@ PostgresMain(int argc, char *argv[], const char *username)
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if (IsAbortedTransactionBlockState())
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{
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set_ps_display("idle in transaction (aborted)", false);
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pgstat_report_activity("<IDLE> in transaction (aborted)");
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pgstat_report_activity(STATE_IDLEINTRANSACTION_ABORTED, NULL);
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}
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else if (IsTransactionOrTransactionBlock())
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{
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set_ps_display("idle in transaction", false);
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pgstat_report_activity("<IDLE> in transaction");
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pgstat_report_activity(STATE_IDLEINTRANSACTION, NULL);
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}
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else
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{
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@ -3824,7 +3824,7 @@ PostgresMain(int argc, char *argv[], const char *username)
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pgstat_report_stat(false);
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set_ps_display("idle", false);
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pgstat_report_activity("<IDLE>");
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pgstat_report_activity(STATE_IDLE, NULL);
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}
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ReadyForQuery(whereToSendOutput);
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|
@ -3944,7 +3944,7 @@ PostgresMain(int argc, char *argv[], const char *username)
|
|||
SetCurrentStatementStartTimestamp();
|
||||
|
||||
/* Report query to various monitoring facilities. */
|
||||
pgstat_report_activity("<FASTPATH> function call");
|
||||
pgstat_report_activity(STATE_FASTPATH, NULL);
|
||||
set_ps_display("<FASTPATH>", false);
|
||||
|
||||
/* start an xact for this function invocation */
|
||||
|
|
|
|||
|
|
@ -507,31 +507,34 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
|
|||
|
||||
oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
|
||||
|
||||
tupdesc = CreateTemplateTupleDesc(12, false);
|
||||
tupdesc = CreateTemplateTupleDesc(14, false);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 1, "datid",
|
||||
OIDOID, -1, 0);
|
||||
/* This should have been called 'pid'; can't change it. 2011-06-11 */
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 2, "procpid",
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 2, "pid",
|
||||
INT4OID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 3, "usesysid",
|
||||
OIDOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 4, "application_name",
|
||||
TEXTOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 5, "current_query",
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 5, "state",
|
||||
TEXTOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 6, "waiting",
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 6, "query",
|
||||
TEXTOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 7, "waiting",
|
||||
BOOLOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 7, "act_start",
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 8, "act_start",
|
||||
TIMESTAMPTZOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 8, "query_start",
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 9, "query_start",
|
||||
TIMESTAMPTZOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 9, "backend_start",
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 10, "backend_start",
|
||||
TIMESTAMPTZOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 10, "client_addr",
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 11, "state_change",
|
||||
TIMESTAMPTZOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 12, "client_addr",
|
||||
INETOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 11, "client_hostname",
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 13, "client_hostname",
|
||||
TEXTOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 12, "client_port",
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 14, "client_port",
|
||||
INT4OID, -1, 0);
|
||||
|
||||
funcctx->tuple_desc = BlessTupleDesc(tupdesc);
|
||||
|
|
@ -584,8 +587,8 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
|
|||
if (funcctx->call_cntr < funcctx->max_calls)
|
||||
{
|
||||
/* for each row */
|
||||
Datum values[12];
|
||||
bool nulls[12];
|
||||
Datum values[14];
|
||||
bool nulls[14];
|
||||
HeapTuple tuple;
|
||||
PgBackendStatus *beentry;
|
||||
SockAddr zero_clientaddr;
|
||||
|
|
@ -610,8 +613,8 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
|
|||
for (i = 0; i < sizeof(nulls) / sizeof(nulls[0]); i++)
|
||||
nulls[i] = true;
|
||||
|
||||
nulls[4] = false;
|
||||
values[4] = CStringGetTextDatum("<backend information not available>");
|
||||
nulls[5] = false;
|
||||
values[5] = CStringGetTextDatum("<backend information not available>");
|
||||
|
||||
tuple = heap_form_tuple(funcctx->tuple_desc, values, nulls);
|
||||
SRF_RETURN_NEXT(funcctx, HeapTupleGetDatum(tuple));
|
||||
|
|
@ -629,40 +632,69 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
|
|||
/* Values only available to same user or superuser */
|
||||
if (superuser() || beentry->st_userid == GetUserId())
|
||||
{
|
||||
if (*(beentry->st_activity) == '\0')
|
||||
switch (beentry->st_state)
|
||||
{
|
||||
values[4] = CStringGetTextDatum("<command string not enabled>");
|
||||
case STATE_IDLE:
|
||||
values[4] = CStringGetTextDatum("idle");
|
||||
break;
|
||||
case STATE_RUNNING:
|
||||
values[4] = CStringGetTextDatum("active");
|
||||
break;
|
||||
case STATE_IDLEINTRANSACTION:
|
||||
values[4] = CStringGetTextDatum("idle in transaction");
|
||||
break;
|
||||
case STATE_FASTPATH:
|
||||
values[4] = CStringGetTextDatum("fastpath function call");
|
||||
break;
|
||||
case STATE_IDLEINTRANSACTION_ABORTED:
|
||||
values[4] = CStringGetTextDatum("idle in transaction (aborted)");
|
||||
break;
|
||||
case STATE_DISABLED:
|
||||
values[4] = CStringGetTextDatum("disabled");
|
||||
break;
|
||||
case STATE_UNDEFINED:
|
||||
nulls[4] = true;
|
||||
break;
|
||||
}
|
||||
if (beentry->st_state == STATE_UNDEFINED ||
|
||||
beentry->st_state == STATE_DISABLED)
|
||||
{
|
||||
values[5] = CStringGetTextDatum("");
|
||||
}
|
||||
else
|
||||
{
|
||||
values[4] = CStringGetTextDatum(beentry->st_activity);
|
||||
values[5] = CStringGetTextDatum(beentry->st_activity);
|
||||
}
|
||||
|
||||
values[5] = BoolGetDatum(beentry->st_waiting);
|
||||
values[6] = BoolGetDatum(beentry->st_waiting);
|
||||
|
||||
if (beentry->st_xact_start_timestamp != 0)
|
||||
values[6] = TimestampTzGetDatum(beentry->st_xact_start_timestamp);
|
||||
else
|
||||
nulls[6] = true;
|
||||
|
||||
if (beentry->st_activity_start_timestamp != 0)
|
||||
values[7] = TimestampTzGetDatum(beentry->st_activity_start_timestamp);
|
||||
values[7] = TimestampTzGetDatum(beentry->st_xact_start_timestamp);
|
||||
else
|
||||
nulls[7] = true;
|
||||
|
||||
if (beentry->st_proc_start_timestamp != 0)
|
||||
values[8] = TimestampTzGetDatum(beentry->st_proc_start_timestamp);
|
||||
if (beentry->st_activity_start_timestamp != 0)
|
||||
values[8] = TimestampTzGetDatum(beentry->st_activity_start_timestamp);
|
||||
else
|
||||
nulls[8] = true;
|
||||
|
||||
if (beentry->st_proc_start_timestamp != 0)
|
||||
values[9] = TimestampTzGetDatum(beentry->st_proc_start_timestamp);
|
||||
else
|
||||
nulls[9] = true;
|
||||
|
||||
if (beentry->st_state_start_timestamp != 0)
|
||||
values[10] = TimestampTzGetDatum(beentry->st_state_start_timestamp);
|
||||
else
|
||||
nulls[10] = true;
|
||||
|
||||
/* A zeroed client addr means we don't know */
|
||||
memset(&zero_clientaddr, 0, sizeof(zero_clientaddr));
|
||||
if (memcmp(&(beentry->st_clientaddr), &zero_clientaddr,
|
||||
sizeof(zero_clientaddr) == 0))
|
||||
{
|
||||
nulls[9] = true;
|
||||
nulls[10] = true;
|
||||
nulls[11] = true;
|
||||
nulls[12] = true;
|
||||
nulls[13] = true;
|
||||
}
|
||||
else
|
||||
{
|
||||
|
|
@ -686,19 +718,19 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
|
|||
if (ret == 0)
|
||||
{
|
||||
clean_ipv6_addr(beentry->st_clientaddr.addr.ss_family, remote_host);
|
||||
values[9] = DirectFunctionCall1(inet_in,
|
||||
values[11] = DirectFunctionCall1(inet_in,
|
||||
CStringGetDatum(remote_host));
|
||||
if (beentry->st_clienthostname)
|
||||
values[10] = CStringGetTextDatum(beentry->st_clienthostname);
|
||||
values[12] = CStringGetTextDatum(beentry->st_clienthostname);
|
||||
else
|
||||
nulls[10] = true;
|
||||
values[11] = Int32GetDatum(atoi(remote_port));
|
||||
nulls[12] = true;
|
||||
values[13] = Int32GetDatum(atoi(remote_port));
|
||||
}
|
||||
else
|
||||
{
|
||||
nulls[9] = true;
|
||||
nulls[10] = true;
|
||||
nulls[11] = true;
|
||||
nulls[12] = true;
|
||||
nulls[13] = true;
|
||||
}
|
||||
}
|
||||
else if (beentry->st_clientaddr.addr.ss_family == AF_UNIX)
|
||||
|
|
@ -709,30 +741,32 @@ pg_stat_get_activity(PG_FUNCTION_ARGS)
|
|||
* connections we have no permissions to view, or with
|
||||
* errors.
|
||||
*/
|
||||
nulls[9] = true;
|
||||
nulls[10] = true;
|
||||
values[11] = DatumGetInt32(-1);
|
||||
nulls[11] = true;
|
||||
nulls[12] = true;
|
||||
values[13] = DatumGetInt32(-1);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Unknown address type, should never happen */
|
||||
nulls[9] = true;
|
||||
nulls[10] = true;
|
||||
nulls[11] = true;
|
||||
nulls[12] = true;
|
||||
nulls[13] = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* No permissions to view data about this session */
|
||||
values[4] = CStringGetTextDatum("<insufficient privilege>");
|
||||
nulls[5] = true;
|
||||
values[5] = CStringGetTextDatum("<insufficient privilege>");
|
||||
nulls[4] = true;
|
||||
nulls[6] = true;
|
||||
nulls[7] = true;
|
||||
nulls[8] = true;
|
||||
nulls[9] = true;
|
||||
nulls[10] = true;
|
||||
nulls[11] = true;
|
||||
nulls[12] = true;
|
||||
nulls[13] = true;
|
||||
}
|
||||
|
||||
tuple = heap_form_tuple(funcctx->tuple_desc, values, nulls);
|
||||
|
|
|
|||
|
|
@ -53,6 +53,6 @@
|
|||
*/
|
||||
|
||||
/* yyyymmddN */
|
||||
#define CATALOG_VERSION_NO 201112241
|
||||
#define CATALOG_VERSION_NO 201201191
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -2573,9 +2573,9 @@ DATA(insert OID = 3057 ( pg_stat_get_autoanalyze_count PGNSP PGUID 12 1 0 0 0 f
|
|||
DESCR("statistics: number of auto analyzes for a table");
|
||||
DATA(insert OID = 1936 ( pg_stat_get_backend_idset PGNSP PGUID 12 1 100 0 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 0 f f f f t s 1 0 2249 "23" "{23,26,23,26,25,25,16,1184,1184,1184,869,25,23}" "{i,o,o,o,o,o,o,o,o,o,o,o,o}" "{pid,datid,procpid,usesysid,application_name,current_query,waiting,xact_start,query_start,backend_start,client_addr,client_hostname,client_port}" _null_ pg_stat_get_activity _null_ _null_ _null_ ));
|
||||
DATA(insert OID = 2022 ( pg_stat_get_activity PGNSP PGUID 12 1 100 0 0 f f f f t s 1 0 2249 "23" "{23,26,23,26,25,25,25,16,1184,1184,1184,1184,869,25,23}" "{i,o,o,o,o,o,o,o,o,o,o,o,o,o,o}" "{pid,datid,pid,usesysid,application_name,state,query,waiting,xact_start,query_start,backend_start,state_change,client_addr,client_hostname,client_port}" _null_ pg_stat_get_activity _null_ _null_ _null_ ));
|
||||
DESCR("statistics: information about currently active backends");
|
||||
DATA(insert OID = 3099 ( pg_stat_get_wal_senders PGNSP PGUID 12 1 10 0 0 f f f f t s 0 0 2249 "" "{23,25,25,25,25,25,23,25}" "{o,o,o,o,o,o,o,o}" "{procpid,state,sent_location,write_location,flush_location,replay_location,sync_priority,sync_state}" _null_ pg_stat_get_wal_senders _null_ _null_ _null_ ));
|
||||
DATA(insert OID = 3099 ( pg_stat_get_wal_senders PGNSP PGUID 12 1 10 0 0 f f f f t s 0 0 2249 "" "{23,25,25,25,25,25,23,25}" "{o,o,o,o,o,o,o,o}" "{pid,state,sent_location,write_location,flush_location,replay_location,sync_priority,sync_state}" _null_ pg_stat_get_wal_senders _null_ _null_ _null_ ));
|
||||
DESCR("statistics: information about currently active replication");
|
||||
DATA(insert OID = 2026 ( pg_backend_pid PGNSP PGUID 12 1 0 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");
|
||||
|
|
|
|||
|
|
@ -588,11 +588,26 @@ typedef struct PgStat_GlobalStats
|
|||
} PgStat_GlobalStats;
|
||||
|
||||
|
||||
/* ----------
|
||||
* Backend states
|
||||
* ----------
|
||||
*/
|
||||
typedef enum BackendState {
|
||||
STATE_UNDEFINED,
|
||||
STATE_IDLE,
|
||||
STATE_RUNNING,
|
||||
STATE_IDLEINTRANSACTION,
|
||||
STATE_FASTPATH,
|
||||
STATE_IDLEINTRANSACTION_ABORTED,
|
||||
STATE_DISABLED,
|
||||
} BackendState;
|
||||
|
||||
/* ----------
|
||||
* Shared-memory data structures
|
||||
* ----------
|
||||
*/
|
||||
|
||||
|
||||
/* ----------
|
||||
* PgBackendStatus
|
||||
*
|
||||
|
|
@ -622,6 +637,7 @@ typedef struct PgBackendStatus
|
|||
TimestampTz st_proc_start_timestamp;
|
||||
TimestampTz st_xact_start_timestamp;
|
||||
TimestampTz st_activity_start_timestamp;
|
||||
TimestampTz st_state_start_timestamp;
|
||||
|
||||
/* Database OID, owning user's OID, connection client address */
|
||||
Oid st_databaseid;
|
||||
|
|
@ -632,6 +648,9 @@ typedef struct PgBackendStatus
|
|||
/* Is backend currently waiting on an lmgr lock? */
|
||||
bool st_waiting;
|
||||
|
||||
/* current state */
|
||||
BackendState st_state;
|
||||
|
||||
/* application name; MUST be null-terminated */
|
||||
char *st_appname;
|
||||
|
||||
|
|
@ -715,7 +734,7 @@ extern void pgstat_report_recovery_conflict(int reason);
|
|||
extern void pgstat_initialize(void);
|
||||
extern void pgstat_bestart(void);
|
||||
|
||||
extern void pgstat_report_activity(const char *cmd_str);
|
||||
extern void pgstat_report_activity(BackendState state, 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);
|
||||
|
|
|
|||
|
|
@ -1292,13 +1292,13 @@ SELECT viewname, definition FROM pg_views WHERE schemaname <> 'information_schem
|
|||
pg_seclabels | ((((((((SELECT l.objoid, l.classoid, l.objsubid, CASE WHEN (rel.relkind = 'r'::"char") THEN 'table'::text WHEN (rel.relkind = 'v'::"char") THEN 'view'::text WHEN (rel.relkind = 'S'::"char") THEN 'sequence'::text WHEN (rel.relkind = 'f'::"char") THEN 'foreign table'::text ELSE NULL::text END AS objtype, rel.relnamespace AS objnamespace, CASE WHEN pg_table_is_visible(rel.oid) THEN quote_ident((rel.relname)::text) ELSE ((quote_ident((nsp.nspname)::text) || '.'::text) || quote_ident((rel.relname)::text)) END AS objname, l.provider, l.label FROM ((pg_seclabel l JOIN pg_class rel ON (((l.classoid = rel.tableoid) AND (l.objoid = rel.oid)))) JOIN pg_namespace nsp ON ((rel.relnamespace = nsp.oid))) WHERE (l.objsubid = 0) UNION ALL SELECT l.objoid, l.classoid, l.objsubid, 'column'::text AS objtype, rel.relnamespace AS objnamespace, ((CASE WHEN pg_table_is_visible(rel.oid) THEN quote_ident((rel.relname)::text) ELSE ((quote_ident((nsp.nspname)::text) || '.'::text) || quote_ident((rel.relname)::text)) END || '.'::text) || (att.attname)::text) AS objname, l.provider, l.label FROM (((pg_seclabel l JOIN pg_class rel ON (((l.classoid = rel.tableoid) AND (l.objoid = rel.oid)))) JOIN pg_attribute att ON (((rel.oid = att.attrelid) AND (l.objsubid = att.attnum)))) JOIN pg_namespace nsp ON ((rel.relnamespace = nsp.oid))) WHERE (l.objsubid <> 0)) UNION ALL SELECT l.objoid, l.classoid, l.objsubid, CASE WHEN (pro.proisagg = true) THEN 'aggregate'::text WHEN (pro.proisagg = false) THEN 'function'::text ELSE NULL::text END AS objtype, pro.pronamespace AS objnamespace, (((CASE WHEN pg_function_is_visible(pro.oid) THEN quote_ident((pro.proname)::text) ELSE ((quote_ident((nsp.nspname)::text) || '.'::text) || quote_ident((pro.proname)::text)) END || '('::text) || pg_get_function_arguments(pro.oid)) || ')'::text) AS objname, l.provider, l.label FROM ((pg_seclabel l JOIN pg_proc pro ON (((l.classoid = pro.tableoid) AND (l.objoid = pro.oid)))) JOIN pg_namespace nsp ON ((pro.pronamespace = nsp.oid))) WHERE (l.objsubid = 0)) UNION ALL SELECT l.objoid, l.classoid, l.objsubid, CASE WHEN (typ.typtype = 'd'::"char") THEN 'domain'::text ELSE 'type'::text END AS objtype, typ.typnamespace AS objnamespace, CASE WHEN pg_type_is_visible(typ.oid) THEN quote_ident((typ.typname)::text) ELSE ((quote_ident((nsp.nspname)::text) || '.'::text) || quote_ident((typ.typname)::text)) END AS objname, l.provider, l.label FROM ((pg_seclabel l JOIN pg_type typ ON (((l.classoid = typ.tableoid) AND (l.objoid = typ.oid)))) JOIN pg_namespace nsp ON ((typ.typnamespace = nsp.oid))) WHERE (l.objsubid = 0)) UNION ALL SELECT l.objoid, l.classoid, l.objsubid, 'large object'::text AS objtype, NULL::oid AS objnamespace, (l.objoid)::text AS objname, l.provider, l.label FROM (pg_seclabel l JOIN pg_largeobject_metadata lom ON ((l.objoid = lom.oid))) WHERE ((l.classoid = ('pg_largeobject'::regclass)::oid) AND (l.objsubid = 0))) UNION ALL SELECT l.objoid, l.classoid, l.objsubid, 'language'::text AS objtype, NULL::oid AS objnamespace, quote_ident((lan.lanname)::text) AS objname, l.provider, l.label FROM (pg_seclabel l JOIN pg_language lan ON (((l.classoid = lan.tableoid) AND (l.objoid = lan.oid)))) WHERE (l.objsubid = 0)) UNION ALL SELECT l.objoid, l.classoid, l.objsubid, 'schema'::text AS objtype, nsp.oid AS objnamespace, quote_ident((nsp.nspname)::text) AS objname, l.provider, l.label FROM (pg_seclabel l JOIN pg_namespace nsp ON (((l.classoid = nsp.tableoid) AND (l.objoid = nsp.oid)))) WHERE (l.objsubid = 0)) UNION ALL SELECT l.objoid, l.classoid, 0 AS objsubid, 'database'::text AS objtype, NULL::oid AS objnamespace, quote_ident((dat.datname)::text) AS objname, l.provider, l.label FROM (pg_shseclabel l JOIN pg_database dat ON (((l.classoid = dat.tableoid) AND (l.objoid = dat.oid))))) UNION ALL SELECT l.objoid, l.classoid, 0 AS objsubid, 'tablespace'::text AS objtype, NULL::oid AS objnamespace, quote_ident((spc.spcname)::text) AS objname, l.provider, l.label FROM (pg_shseclabel l JOIN pg_tablespace spc ON (((l.classoid = spc.tableoid) AND (l.objoid = spc.oid))))) UNION ALL SELECT l.objoid, l.classoid, 0 AS objsubid, 'role'::text AS objtype, NULL::oid AS objnamespace, quote_ident((rol.rolname)::text) AS objname, l.provider, l.label FROM (pg_shseclabel l JOIN pg_authid rol ON (((l.classoid = rol.tableoid) AND (l.objoid = rol.oid))));
|
||||
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);
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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.rolreplication AS userepl, 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;
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pg_stat_activity | SELECT s.datid, d.datname, s.procpid, s.usesysid, u.rolname AS usename, s.application_name, s.client_addr, s.client_hostname, s.client_port, s.backend_start, s.xact_start, s.query_start, s.waiting, s.current_query FROM pg_database d, pg_stat_get_activity(NULL::integer) s(datid, procpid, usesysid, application_name, current_query, waiting, xact_start, query_start, backend_start, client_addr, client_hostname, client_port), pg_authid u WHERE ((s.datid = d.oid) AND (s.usesysid = u.oid));
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pg_stat_activity | SELECT s.datid, d.datname, s.pid, s.usesysid, u.rolname AS usename, s.application_name, s.client_addr, s.client_hostname, s.client_port, s.backend_start, s.xact_start, s.query_start, s.state_change, s.waiting, s.state, s.query FROM pg_database d, pg_stat_get_activity(NULL::integer) s(datid, pid, usesysid, application_name, state, query, waiting, xact_start, query_start, backend_start, state_change, client_addr, client_hostname, client_port), pg_authid u WHERE ((s.datid = d.oid) AND (s.usesysid = u.oid));
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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"]));
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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, pg_stat_get_vacuum_count(c.oid) AS vacuum_count, pg_stat_get_autovacuum_count(c.oid) AS autovacuum_count, pg_stat_get_analyze_count(c.oid) AS analyze_count, pg_stat_get_autoanalyze_count(c.oid) AS autoanalyze_count 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;
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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_fsync_backend() AS buffers_backend_fsync, pg_stat_get_buf_alloc() AS buffers_alloc, pg_stat_get_bgwriter_stat_reset_time() AS stats_reset;
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pg_stat_database | SELECT d.oid AS datid, d.datname, pg_stat_get_db_numbackends(d.oid) AS numbackends, pg_stat_get_db_xact_commit(d.oid) AS xact_commit, pg_stat_get_db_xact_rollback(d.oid) AS xact_rollback, (pg_stat_get_db_blocks_fetched(d.oid) - pg_stat_get_db_blocks_hit(d.oid)) AS blks_read, pg_stat_get_db_blocks_hit(d.oid) AS blks_hit, pg_stat_get_db_tuples_returned(d.oid) AS tup_returned, pg_stat_get_db_tuples_fetched(d.oid) AS tup_fetched, pg_stat_get_db_tuples_inserted(d.oid) AS tup_inserted, pg_stat_get_db_tuples_updated(d.oid) AS tup_updated, pg_stat_get_db_tuples_deleted(d.oid) AS tup_deleted, pg_stat_get_db_conflict_all(d.oid) AS conflicts, pg_stat_get_db_stat_reset_time(d.oid) AS stats_reset FROM pg_database d;
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pg_stat_database_conflicts | SELECT d.oid AS datid, d.datname, pg_stat_get_db_conflict_tablespace(d.oid) AS confl_tablespace, pg_stat_get_db_conflict_lock(d.oid) AS confl_lock, pg_stat_get_db_conflict_snapshot(d.oid) AS confl_snapshot, pg_stat_get_db_conflict_bufferpin(d.oid) AS confl_bufferpin, pg_stat_get_db_conflict_startup_deadlock(d.oid) AS confl_deadlock FROM pg_database d;
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pg_stat_replication | SELECT s.procpid, s.usesysid, u.rolname AS usename, s.application_name, s.client_addr, s.client_hostname, s.client_port, s.backend_start, w.state, w.sent_location, w.write_location, w.flush_location, w.replay_location, w.sync_priority, w.sync_state FROM pg_stat_get_activity(NULL::integer) s(datid, procpid, usesysid, application_name, current_query, waiting, xact_start, query_start, backend_start, client_addr, client_hostname, client_port), pg_authid u, pg_stat_get_wal_senders() w(procpid, state, sent_location, write_location, flush_location, replay_location, sync_priority, sync_state) WHERE ((s.usesysid = u.oid) AND (s.procpid = w.procpid));
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pg_stat_replication | SELECT s.pid, s.usesysid, u.rolname AS usename, s.application_name, s.client_addr, s.client_hostname, s.client_port, s.backend_start, w.state, w.sent_location, w.write_location, w.flush_location, w.replay_location, w.sync_priority, w.sync_state FROM pg_stat_get_activity(NULL::integer) s(datid, pid, usesysid, application_name, state, query, waiting, xact_start, query_start, backend_start, state_change, client_addr, client_hostname, client_port), pg_authid u, pg_stat_get_wal_senders() w(pid, state, sent_location, write_location, flush_location, replay_location, sync_priority, sync_state) WHERE ((s.usesysid = u.oid) AND (s.pid = w.pid));
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pg_stat_sys_indexes | SELECT pg_stat_all_indexes.relid, pg_stat_all_indexes.indexrelid, pg_stat_all_indexes.schemaname, pg_stat_all_indexes.relname, pg_stat_all_indexes.indexrelname, pg_stat_all_indexes.idx_scan, pg_stat_all_indexes.idx_tup_read, pg_stat_all_indexes.idx_tup_fetch FROM pg_stat_all_indexes WHERE ((pg_stat_all_indexes.schemaname = ANY (ARRAY['pg_catalog'::name, 'information_schema'::name])) OR (pg_stat_all_indexes.schemaname ~ '^pg_toast'::text));
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pg_stat_sys_tables | SELECT pg_stat_all_tables.relid, pg_stat_all_tables.schemaname, pg_stat_all_tables.relname, pg_stat_all_tables.seq_scan, pg_stat_all_tables.seq_tup_read, pg_stat_all_tables.idx_scan, pg_stat_all_tables.idx_tup_fetch, pg_stat_all_tables.n_tup_ins, pg_stat_all_tables.n_tup_upd, pg_stat_all_tables.n_tup_del, pg_stat_all_tables.n_tup_hot_upd, pg_stat_all_tables.n_live_tup, pg_stat_all_tables.n_dead_tup, pg_stat_all_tables.last_vacuum, pg_stat_all_tables.last_autovacuum, pg_stat_all_tables.last_analyze, pg_stat_all_tables.last_autoanalyze, pg_stat_all_tables.vacuum_count, pg_stat_all_tables.autovacuum_count, pg_stat_all_tables.analyze_count, pg_stat_all_tables.autoanalyze_count FROM pg_stat_all_tables WHERE ((pg_stat_all_tables.schemaname = ANY (ARRAY['pg_catalog'::name, 'information_schema'::name])) OR (pg_stat_all_tables.schemaname ~ '^pg_toast'::text));
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pg_stat_user_functions | SELECT p.oid AS funcid, n.nspname AS schemaname, p.proname AS funcname, pg_stat_get_function_calls(p.oid) AS calls, (pg_stat_get_function_time(p.oid) / 1000) AS total_time, (pg_stat_get_function_self_time(p.oid) / 1000) AS self_time FROM (pg_proc p LEFT JOIN pg_namespace n ON ((n.oid = p.pronamespace))) WHERE ((p.prolang <> (12)::oid) AND (pg_stat_get_function_calls(p.oid) IS NOT NULL));
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Reference in New Issue