Add files to do read I/O on the cluster directory:
pg_stat_file() pg_read_file() pg_ls_dir() pg_reload_conf() pg_rotate_logfile() Dave Page Andreas Pflug
This commit is contained in:
Bruce Momjian
parent
d95886e734
commit
b609695b7a
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@ -1,5 +1,5 @@
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<!--
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$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.276 2005/08/02 16:11:56 tgl Exp $
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$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.277 2005/08/12 03:23:40 momjian Exp $
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PostgreSQL documentation
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-->
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@ -9061,6 +9061,9 @@ SELECT set_config('log_statement_stats', 'off', false);
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<indexterm zone="functions-admin">
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<primary>pg_cancel_backend</primary>
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</indexterm>
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<indexterm zone="functions-admin">
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<primary>pg_reload_conf</primary>
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</indexterm>
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<indexterm zone="functions-admin">
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<primary>signal</primary>
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@ -9068,7 +9071,7 @@ SELECT set_config('log_statement_stats', 'off', false);
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</indexterm>
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<para>
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The function shown in <xref
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The functions shown in <xref
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linkend="functions-admin-signal-table"> sends control signals to
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other server processes. Use of this function is restricted
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to superusers.
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@ -9090,26 +9093,36 @@ SELECT set_config('log_statement_stats', 'off', false);
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<entry><type>int</type></entry>
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<entry>Cancel a backend's current query</entry>
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</row>
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<row>
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<entry>
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<literal><function>pg_reload_conf</function>()</literal>
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</entry>
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<entry><type>int</type></entry>
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<entry>Causes server processes to reload their configuration files</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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<para>
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This function returns 1 if successful, 0 if not successful.
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These functions return 1 if successful, 0 if not successful.
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The process ID (<literal>pid</literal>) of an active backend can be found
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from the <structfield>procpid</structfield> column in the
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<structname>pg_stat_activity</structname> view, or by listing the <command>postgres</command>
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processes on the server with <application>ps</>.
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</para>
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<para>
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<function>pg_reload_conf</> sends a SIGHUP signal to the
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postmaster, causing the reload of the configuration files
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in all backend processes.
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</para>
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<indexterm zone="functions-admin">
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<primary>pg_start_backup</primary>
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</indexterm>
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<indexterm zone="functions-admin">
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<primary>pg_stop_backup</primary>
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</indexterm>
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<indexterm zone="functions-admin">
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<primary>backup</primary>
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</indexterm>
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@ -9309,6 +9322,113 @@ SELECT set_config('log_statement_stats', 'off', false);
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appropriate.
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</para>
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<para>
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The functions shown in <xref
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linkend="functions-admin-genfile"> provide native file access to
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files on the machine hosting the server. Only files relative to
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the cluster directory are allowed, and the logfile directory,
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because the logfile directory might be stored outside the
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cluster directory. Use of these functions is restricted to
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superusers.
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</para>
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<table id="functions-admin-genfile">
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<title>Generic File Access Functions</title>
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<tgroup cols="3">
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<thead>
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<row><entry>Name</entry> <entry>Return Type</entry> <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>
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<literal><function>pg_file_length</function>(<parameter>filename_text</parameter>)</literal>
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<indexterm zone="functions-admin">
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<primary>pg_file_length</primary>
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</indexterm>
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</entry>
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<entry><type>int8</type></entry>
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<entry>Returns the file length</entry>
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</row>
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<row>
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<entry>
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<literal><function>pg_ls_dir</function>(<parameter>dirname_text</parameter>,<parameter>fullpath_bool</parameter>)</literal>
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<indexterm zone="functions-admin">
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<primary>pg_ls_dir</primary>
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</indexterm>
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</entry>
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<entry><type>setof text</type></entry>
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<entry>List the contents of a directory</entry>
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</row>
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<row>
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<entry>
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<literal><function>pg_read_file</function>(<parameter>filename_text</parameter>,
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<parameter>offset_int8</parameter>,<parameter>length_int8</parameter>)</literal>
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</entry>
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<entry><type>text</type></entry>
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<entry>Returns the contents of a text file</entry>
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</row>
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<row>
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<entry>
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<literal><function>pg_stat_file</function>(<parameter>filename_text</parameter>)</literal>
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</entry>
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<entry><type>record</type></entry>
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<entry>Returns information about the file</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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<indexterm zone="functions-admin">
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<primary>pg_read_file</primary>
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</indexterm>
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<para>
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<function>pg_read_file()</> returns part of a textfile, starting
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at the given offset, returning length bytes. If offset is negative,
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it is treated relative to the end of the file.
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</para>
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<indexterm zone="functions-admin">
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<primary>pg_stat_file</primary>
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</indexterm>
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<para>
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<function>pg_stat_file()</> returns a record containing the
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length, last accessed timestamp, last modified timestamp,
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creation timestamp, and a flag indicating if it is a directory.
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</para>
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<para>
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The function shown in <xref
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linkend="functions-admin-logfile"> forces the server
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logfile to be rotated if <varname>redirect_stderr</>
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is used for logging. Use of this functions is restricted
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to superusers.
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</para>
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<table id="functions-admin-logfile">
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<title>Backend Logfile Functions</title>
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<tgroup cols="3">
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<thead>
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<row><entry>Name</entry> <entry>Return Type</entry> <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>
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<literal><function>pg_rotate_logfile</function>()</literal>
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<indexterm zone="functions-admin">
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<primary>pg_rotate_logfile</primary>
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</indexterm>
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</entry>
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<entry><type>int</type></entry>
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<entry>Rotate logfile</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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</sect1>
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</chapter>
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@ -37,7 +37,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.462 2005/08/11 21:11:44 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.463 2005/08/12 03:23:51 momjian Exp $
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*
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* NOTES
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*
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@ -3394,6 +3394,9 @@ sigusr1_handler(SIGNAL_ARGS)
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}
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}
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if (CheckPostmasterSignal(PMSIGNAL_ROTATE_LOGFILE) && SysLoggerPID != 0)
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kill(SysLoggerPID, SIGUSR1);
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PG_SETMASK(&UnBlockSig);
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errno = save_errno;
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@ -18,7 +18,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.18 2005/07/21 18:06:12 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.19 2005/08/12 03:23:51 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -101,6 +101,7 @@ static CRITICAL_SECTION sysfileSection;
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* Flags set by interrupt handlers for later service in the main loop.
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*/
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static volatile sig_atomic_t got_SIGHUP = false;
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static volatile sig_atomic_t rotation_requested = false;
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/* Local subroutines */
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@ -117,6 +118,7 @@ static void logfile_rotate(bool time_based_rotation);
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static char *logfile_getname(pg_time_t timestamp);
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static void set_next_rotation_time(void);
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static void sigHupHandler(SIGNAL_ARGS);
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static void sigUsr1Handler(SIGNAL_ARGS);
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/*
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@ -200,7 +202,7 @@ SysLoggerMain(int argc, char *argv[])
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pqsignal(SIGQUIT, SIG_IGN);
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pqsignal(SIGALRM, SIG_IGN);
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pqsignal(SIGPIPE, SIG_IGN);
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pqsignal(SIGUSR1, SIG_IGN);
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pqsignal(SIGUSR1, sigUsr1Handler); /* request log rotation */
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pqsignal(SIGUSR2, SIG_IGN);
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/*
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@ -235,7 +237,6 @@ SysLoggerMain(int argc, char *argv[])
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/* main worker loop */
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for (;;)
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{
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bool rotation_requested = false;
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bool time_based_rotation = false;
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#ifndef WIN32
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@ -726,6 +727,8 @@ logfile_rotate(bool time_based_rotation)
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char *filename;
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FILE *fh;
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rotation_requested = false;
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/*
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* When doing a time-based rotation, invent the new logfile name based
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* on the planned rotation time, not current time, to avoid "slippage"
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@ -876,3 +879,10 @@ sigHupHandler(SIGNAL_ARGS)
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{
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got_SIGHUP = true;
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}
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/* SIGUSR1: set flag to rotate logfile */
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static void
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sigUsr1Handler(SIGNAL_ARGS)
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{
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rotation_requested = true;
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}
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@ -1,7 +1,7 @@
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#
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# Makefile for utils/adt
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#
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# $PostgreSQL: pgsql/src/backend/utils/adt/Makefile,v 1.58 2005/07/29 14:46:57 momjian Exp $
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# $PostgreSQL: pgsql/src/backend/utils/adt/Makefile,v 1.59 2005/08/12 03:24:08 momjian Exp $
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#
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subdir = src/backend/utils/adt
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@ -24,7 +24,7 @@ OBJS = acl.o arrayfuncs.o array_userfuncs.o arrayutils.o bool.o \
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tid.o timestamp.o varbit.o varchar.o varlena.o version.o xid.o \
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network.o mac.o inet_net_ntop.o inet_net_pton.o \
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ri_triggers.o pg_lzcompress.o pg_locale.o formatting.o \
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ascii.o quote.o pgstatfuncs.o encode.o dbsize.o
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ascii.o quote.o pgstatfuncs.o encode.o dbsize.o genfile.o
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like.o: like.c like_match.c
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@ -0,0 +1,258 @@
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/*-------------------------------------------------------------------------
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*
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* genfile.c
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*
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*
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* Copyright (c) 2004, PostgreSQL Global Development Group
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*
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* Author: Andreas Pflug <pgadmin@pse-consulting.de>
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/adt/genfile.c,v 1.1 2005/08/12 03:24:08 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#include "postgres.h"
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <dirent.h>
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#include "utils/builtins.h"
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#include "miscadmin.h"
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#include "storage/fd.h"
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#include "catalog/pg_type.h"
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#include "funcapi.h"
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extern char *Log_directory;
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typedef struct
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{
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char *location;
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DIR *dirdesc;
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} directory_fctx;
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/*
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* Return an absolute path. Argument may be absolute or
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* relative to the DataDir.
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*/
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static char *check_and_make_absolute(text *arg)
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{
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int datadir_len = strlen(DataDir);
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int filename_len = VARSIZE(arg) - VARHDRSZ;
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char *filename = palloc(filename_len + 1);
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memcpy(filename, VARDATA(arg), filename_len);
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filename[filename_len] = '\0';
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canonicalize_path(filename);
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filename_len = strlen(filename); /* recompute */
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/*
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* Prevent reference to the parent directory.
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* "..a.." is a valid file name though.
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*/
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if (strcmp(filename, "..") == 0 || /* beginning */
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strncmp(filename, "../", 3) == 0 || /* beginning */
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strcmp(filename, "/..") == 0 || /* beginning */
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strncmp(filename, "../", 3) == 0 || /* beginning */
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strstr(filename, "/../") != NULL || /* middle */
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strncmp(filename + filename_len - 3, "/..", 3) == 0) /* end */
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ereport(ERROR,
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(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
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(errmsg("Reference to a parent directory (\"..\") not allowed"))));
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if (is_absolute_path(filename))
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{
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/* The log directory might be outside our datadir, but allow it */
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if (is_absolute_path(Log_directory) &&
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strncmp(filename, Log_directory, strlen(Log_directory)) == 0 &&
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(filename[strlen(Log_directory)] == '/' ||
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filename[strlen(Log_directory)] == '\0'))
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return filename;
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ereport(ERROR,
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(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
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(errmsg("Absolute paths not allowed"))));
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return NULL;
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}
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else
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{
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char *absname = palloc(datadir_len + filename_len + 2);
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sprintf(absname, "%s/%s", DataDir, filename);
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pfree(filename);
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return absname;
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}
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}
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Datum pg_read_file(PG_FUNCTION_ARGS)
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{
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int64 bytes_to_read = PG_GETARG_INT64(2);
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int64 seek_offset = PG_GETARG_INT64(1);
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char *buf = 0;
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size_t nbytes;
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FILE *file;
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char *filename;
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|
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if (!superuser())
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ereport(ERROR,
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(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
|
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(errmsg("must be superuser to read files"))));
|
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|
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filename = check_and_make_absolute(PG_GETARG_TEXT_P(0));
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if ((file = AllocateFile(filename, PG_BINARY_R)) == NULL)
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{
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ereport(ERROR,
|
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(errcode_for_file_access(),
|
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errmsg("could not open file %s for reading: %m", filename)));
|
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PG_RETURN_NULL();
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}
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if (fseeko(file, (off_t)seek_offset,
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(seek_offset >= 0) ? SEEK_SET : SEEK_END) != 0)
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||||
{
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ereport(ERROR,
|
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(errcode_for_file_access(),
|
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errmsg("could not seek in file %s: %m", filename)));
|
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PG_RETURN_NULL();
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||||
}
|
||||
|
||||
if (bytes_to_read < 0)
|
||||
{
|
||||
ereport(ERROR,
|
||||
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
|
||||
errmsg("length cannot be negative")));
|
||||
}
|
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|
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buf = palloc(bytes_to_read + VARHDRSZ);
|
||||
|
||||
nbytes = fread(VARDATA(buf), 1, bytes_to_read, file);
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||||
|
||||
if (nbytes < 0)
|
||||
{
|
||||
ereport(ERROR,
|
||||
(errcode_for_file_access(),
|
||||
errmsg("could not read file %s: %m", filename)));
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PG_RETURN_NULL();
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}
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VARATT_SIZEP(buf) = nbytes + VARHDRSZ;
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||||
|
||||
pfree(filename);
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FreeFile(file);
|
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PG_RETURN_TEXT_P(buf);
|
||||
}
|
||||
|
||||
|
||||
Datum pg_stat_file(PG_FUNCTION_ARGS)
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||||
{
|
||||
AttInMetadata *attinmeta;
|
||||
char *filename = check_and_make_absolute(PG_GETARG_TEXT_P(0));
|
||||
struct stat fst;
|
||||
char lenbuf[30], cbuf[30], abuf[30], mbuf[30], dirbuf[2];
|
||||
char *values[5] = {lenbuf, cbuf, abuf, mbuf, dirbuf};
|
||||
pg_time_t timestamp;
|
||||
HeapTuple tuple;
|
||||
TupleDesc tupdesc = CreateTemplateTupleDesc(5, false);
|
||||
|
||||
if (!superuser())
|
||||
ereport(ERROR,
|
||||
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
|
||||
(errmsg("must be superuser to get file information"))));
|
||||
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 1, "length", INT8OID, -1, 0);
|
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TupleDescInitEntry(tupdesc, (AttrNumber) 2, "atime", TIMESTAMPOID, -1, 0);
|
||||
TupleDescInitEntry(tupdesc, (AttrNumber) 3, "mtime", TIMESTAMPOID, -1, 0);
|
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TupleDescInitEntry(tupdesc, (AttrNumber) 4, "ctime", TIMESTAMPOID, -1, 0);
|
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TupleDescInitEntry(tupdesc, (AttrNumber) 5, "isdir", BOOLOID, -1, 0);
|
||||
attinmeta = TupleDescGetAttInMetadata(tupdesc);
|
||||
|
||||
if (stat(filename, &fst) < 0)
|
||||
{
|
||||
ereport(ERROR,
|
||||
(errcode_for_file_access(),
|
||||
errmsg("could not stat file %s: %m", filename)));
|
||||
PG_RETURN_NULL();
|
||||
}
|
||||
else
|
||||
{
|
||||
snprintf(lenbuf, 30, INT64_FORMAT, (int64)fst.st_size);
|
||||
|
||||
timestamp = fst.st_atime;
|
||||
pg_strftime(abuf, 30, "%F %T", pg_localtime(×tamp, global_timezone));
|
||||
|
||||
timestamp = fst.st_mtime;
|
||||
pg_strftime(mbuf, 30, "%F %T", pg_localtime(×tamp, global_timezone));
|
||||
|
||||
timestamp = fst.st_ctime;
|
||||
pg_strftime(cbuf, 30, "%F %T", pg_localtime(×tamp, global_timezone));
|
||||
|
||||
if (fst.st_mode & S_IFDIR)
|
||||
strcpy(dirbuf, "t");
|
||||
else
|
||||
strcpy(dirbuf, "f");
|
||||
|
||||
tuple = BuildTupleFromCStrings(attinmeta, values);
|
||||
pfree(filename);
|
||||
PG_RETURN_DATUM(HeapTupleGetDatum(tuple));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Datum pg_ls_dir(PG_FUNCTION_ARGS)
|
||||
{
|
||||
FuncCallContext *funcctx;
|
||||
struct dirent *de;
|
||||
directory_fctx *fctx;
|
||||
|
||||
if (!superuser())
|
||||
ereport(ERROR,
|
||||
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
|
||||
(errmsg("must be superuser to get directory listings"))));
|
||||
|
||||
if (SRF_IS_FIRSTCALL())
|
||||
{
|
||||
MemoryContext oldcontext;
|
||||
|
||||
funcctx = SRF_FIRSTCALL_INIT();
|
||||
oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
|
||||
|
||||
fctx = palloc(sizeof(directory_fctx));
|
||||
fctx->location = check_and_make_absolute(PG_GETARG_TEXT_P(0));
|
||||
|
||||
fctx->dirdesc = AllocateDir(fctx->location);
|
||||
|
||||
if (!fctx->dirdesc)
|
||||
ereport(ERROR,
|
||||
(errcode_for_file_access(),
|
||||
errmsg("%s is not browsable: %m", fctx->location)));
|
||||
|
||||
funcctx->user_fctx = fctx;
|
||||
MemoryContextSwitchTo(oldcontext);
|
||||
}
|
||||
|
||||
funcctx = SRF_PERCALL_SETUP();
|
||||
fctx = (directory_fctx*) funcctx->user_fctx;
|
||||
|
||||
if (!fctx->dirdesc) /* not a readable directory */
|
||||
SRF_RETURN_DONE(funcctx);
|
||||
|
||||
while ((de = ReadDir(fctx->dirdesc, fctx->location)) != NULL)
|
||||
{
|
||||
int len = strlen(de->d_name);
|
||||
text *result = palloc(len + VARHDRSZ);
|
||||
|
||||
if (strcmp(de->d_name, ".") == 0 || strcmp(de->d_name, "..") == 0)
|
||||
continue;
|
||||
|
||||
VARATT_SIZEP(result) = len + VARHDRSZ;
|
||||
memcpy(VARDATA(result), de->d_name, len);
|
||||
|
||||
SRF_RETURN_NEXT(funcctx, PointerGetDatum(result));
|
||||
}
|
||||
|
||||
FreeDir(fctx->dirdesc);
|
||||
SRF_RETURN_DONE(funcctx);
|
||||
}
|
||||
|
|
@ -8,7 +8,7 @@
|
|||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/utils/adt/misc.c,v 1.45 2005/07/04 04:51:50 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/utils/adt/misc.c,v 1.46 2005/08/12 03:24:08 momjian Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
|
|
@ -21,14 +21,23 @@
|
|||
#include "commands/dbcommands.h"
|
||||
#include "miscadmin.h"
|
||||
#include "storage/procarray.h"
|
||||
#include "storage/pmsignal.h"
|
||||
#include "storage/fd.h"
|
||||
#include "utils/builtins.h"
|
||||
#include "utils/elog.h"
|
||||
#include "funcapi.h"
|
||||
#include "catalog/pg_type.h"
|
||||
#include "catalog/pg_tablespace.h"
|
||||
#include "postmaster/syslogger.h"
|
||||
|
||||
#define atooid(x) ((Oid) strtoul((x), NULL, 10))
|
||||
|
||||
typedef struct
|
||||
{
|
||||
char *location;
|
||||
DIR *dirdesc;
|
||||
} directory_fctx;
|
||||
|
||||
|
||||
/*
|
||||
* Check if data is Null
|
||||
|
|
@ -107,6 +116,51 @@ pg_cancel_backend(PG_FUNCTION_ARGS)
|
|||
PG_RETURN_INT32(pg_signal_backend(PG_GETARG_INT32(0), SIGINT));
|
||||
}
|
||||
|
||||
|
||||
Datum
|
||||
pg_reload_conf(PG_FUNCTION_ARGS)
|
||||
{
|
||||
if (!superuser())
|
||||
ereport(ERROR,
|
||||
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
|
||||
(errmsg("must be superuser to signal the postmaster"))));
|
||||
|
||||
if (kill(PostmasterPid, SIGHUP))
|
||||
{
|
||||
ereport(WARNING,
|
||||
(errmsg("failed to send signal to postmaster: %m")));
|
||||
|
||||
PG_RETURN_INT32(0);
|
||||
}
|
||||
|
||||
PG_RETURN_INT32(1);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Rotate log file
|
||||
*/
|
||||
Datum
|
||||
pg_rotate_logfile(PG_FUNCTION_ARGS)
|
||||
{
|
||||
if (!superuser())
|
||||
ereport(ERROR,
|
||||
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
|
||||
(errmsg("must be superuser to rotate log files"))));
|
||||
|
||||
if (!Redirect_stderr)
|
||||
{
|
||||
ereport(NOTICE,
|
||||
(errcode(ERRCODE_WARNING),
|
||||
errmsg("no logfile configured; rotation not supported")));
|
||||
PG_RETURN_INT32(0);
|
||||
}
|
||||
|
||||
SendPostmasterSignal(PMSIGNAL_ROTATE_LOGFILE);
|
||||
|
||||
PG_RETURN_INT32(0);
|
||||
}
|
||||
|
||||
#ifdef NOT_USED
|
||||
|
||||
/* Disabled in 8.0 due to reliability concerns; FIXME someday */
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@
|
|||
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.380 2005/08/02 16:11:57 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.381 2005/08/12 03:24:22 momjian Exp $
|
||||
*
|
||||
* NOTES
|
||||
* The script catalog/genbki.sh reads this file and generates .bki
|
||||
|
|
@ -3049,6 +3049,23 @@ DESCR("Prepare for taking an online backup");
|
|||
DATA(insert OID = 2173 ( pg_stop_backup PGNSP PGUID 12 f f t f v 0 25 "" _null_ _null_ _null_ pg_stop_backup - _null_ ));
|
||||
DESCR("Finish taking an online backup");
|
||||
|
||||
DATA(insert OID = 2621 ( pg_reload_conf PGNSP PGUID 12 f f t f v 0 23 "" _null_ _null_ _null_ pg_reload_conf - _null_ ));
|
||||
DESCR("Reload configuration files");
|
||||
|
||||
DATA(insert OID = 2622 ( pg_rotate_logfile PGNSP PGUID 12 f f t f v 0 23 "" _null_ _null_ _null_ pg_rotate_logfile - _null_ ));
|
||||
DESCR("Rotate log file");
|
||||
|
||||
|
||||
DATA(insert OID = 2623 ( pg_stat_file PGNSP PGUID 12 f f t f v 1 2249 "25" _null_ _null_ _null_ pg_stat_file - _null_ ));
|
||||
DESCR("Return file information");
|
||||
DATA(insert OID = 2624 ( pg_file_length PGNSP PGUID 14 f f t f v 1 20 "25" _null_ _null_ _null_ "SELECT len FROM pg_stat_file($1) AS s(len int8, c timestamp, a timestamp, m timestamp, i bool)" - _null_ ));
|
||||
DESCR("Return file length");
|
||||
DATA(insert OID = 2625 ( pg_read_file PGNSP PGUID 12 f f t f v 3 25 "25 20 20" _null_ _null_ _null_ pg_read_file - _null_ ));
|
||||
DESCR("Read text from a file");
|
||||
DATA(insert OID = 2626 ( pg_ls_dir PGNSP PGUID 12 f f t t v 1 25 "25" _null_ _null_ _null_ pg_ls_dir - _null_ ));
|
||||
DESCR("List all file in a directory");
|
||||
|
||||
|
||||
/* Aggregates (moved here from pg_aggregate for 7.3) */
|
||||
|
||||
DATA(insert OID = 2100 ( avg PGNSP PGUID 12 t f f f i 1 1700 "20" _null_ _null_ _null_ aggregate_dummy - _null_ ));
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@
|
|||
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/storage/pmsignal.h,v 1.12 2005/06/28 19:51:25 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/include/storage/pmsignal.h,v 1.13 2005/08/12 03:24:43 momjian Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
|
|
@ -25,6 +25,7 @@ typedef enum
|
|||
PMSIGNAL_PASSWORD_CHANGE, /* pg_auth file has changed */
|
||||
PMSIGNAL_WAKEN_CHILDREN, /* send a SIGUSR1 signal to all backends */
|
||||
PMSIGNAL_WAKEN_ARCHIVER, /* send a NOTIFY signal to xlog archiver */
|
||||
PMSIGNAL_ROTATE_LOGFILE, /* send SIGUSR1 to syslogger to rotate logfile */
|
||||
|
||||
NUM_PMSIGNALS /* Must be last value of enum! */
|
||||
} PMSignalReason;
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@
|
|||
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
|
||||
* Portions Copyright (c) 1994, Regents of the University of California
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.262 2005/07/29 14:47:04 momjian Exp $
|
||||
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.263 2005/08/12 03:25:13 momjian Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
|
|
@ -374,12 +374,19 @@ extern Datum pg_complete_relation_size_oid(PG_FUNCTION_ARGS);
|
|||
extern Datum pg_complete_relation_size_name(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_size_pretty(PG_FUNCTION_ARGS);
|
||||
|
||||
/* genfile.c */
|
||||
extern Datum pg_stat_file(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_read_file(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_ls_dir(PG_FUNCTION_ARGS);
|
||||
|
||||
/* misc.c */
|
||||
extern Datum nullvalue(PG_FUNCTION_ARGS);
|
||||
extern Datum nonnullvalue(PG_FUNCTION_ARGS);
|
||||
extern Datum current_database(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_cancel_backend(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_reload_conf(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_tablespace_databases(PG_FUNCTION_ARGS);
|
||||
extern Datum pg_rotate_logfile(PG_FUNCTION_ARGS);
|
||||
|
||||
/* not_in.c */
|
||||
extern Datum int4notin(PG_FUNCTION_ARGS);
|
||||
|
|
|
|||
Loading…
Reference in New Issue