<!--
-$PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.41 2005/12/27 23:54:01 adunstan Exp $
+$PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.42 2006/01/05 10:07:44 petere Exp $
-->
<chapter Id="runtime-config">
<title>Server Configuration</title>
<para>
Runs the server silently. If this option is set, the server
will automatically run in background and any controlling
- terminals are disassociated (same effect as
- <command>postmaster</>'s <option>-S</option> option).
+ terminals are disassociated.
The server's standard output and standard error are redirected
to <literal>/dev/null</>, so any messages sent to them will be lost.
Unless <application>syslog</> logging is selected or
</para>
<variablelist>
+ <varlistentry id="guc-allow-system-table-mods" xreflabel="allow_system_table_mods">
+ <term><varname>allow_system_table_mods</varname> (<type>boolean</type>)</term>
+ <indexterm>
+ <primary><varname>allow_system_table_mods</varname> configuration parameter</primary>
+ </indexterm>
+ <listitem>
+ <para>
+ Allows the modification of the structure of system tables.
+ This is used by <command>initdb</command>.
+ </para>
+ </listitem>
+ </varlistentry>
+
<varlistentry id="guc-debug-assertions" xreflabel="debug_assertions">
<term><varname>debug_assertions</varname> (<type>boolean</type>)</term>
<indexterm>
</listitem>
</varlistentry>
+ <varlistentry id="guc-ignore-system-indexes" xreflabel="ignore_system_indexes">
+ <term><varname>ignore_system_indexes</varname> (<type>boolean</type>)</term>
+ <indexterm>
+ <primary><varname>ignore_system_indexes</varname> configuration parameter</primary>
+ </indexterm>
+ <listitem>
+ <para>
+ Ignore system indexes when reading system tables (but still
+ update the indexes when modifying the tables). This is useful
+ when recovering from damaged system indexes.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry id="guc-post-auth-delay" xreflabel="post_auth_delay">
+ <term><varname>post_auth_delay</varname> (<type>integer</type>)</term>
+ <indexterm>
+ <primary><varname>post_auth_delay</> configuration parameter</primary>
+ </indexterm>
+ <listitem>
+ <para>
+ If nonzero, a delay of this many seconds occurs when a new
+ server process is started, after it conducts the
+ authentication procedure. This is intended to give an
+ opportunity to attach to the server process with a debugger.
+ </para>
+ </listitem>
+ </varlistentry>
+
<varlistentry id="guc-pre-auth-delay" xreflabel="pre_auth_delay">
<term><varname>pre_auth_delay</varname> (<type>integer</type>)</term>
<indexterm>
</indexterm>
<listitem>
<para>
- If nonzero, a delay of this many seconds occurs just after a new
- server process is forked, before it conducts the authentication
- process. This is intended to give an opportunity to attach to the
- server process with a debugger to trace down misbehavior in
- authentication.
+ If nonzero, a delay of this many seconds occurs just after a
+ new server process is forked, before it conducts the
+ authentication procedure. This is intended to give an
+ opportunity to attach to the server process with a debugger to
+ trace down misbehavior in authentication.
</para>
</listitem>
</varlistentry>
<title>Short Options</title>
<para>
- For convenience there are also single letter command-line option switches
- available for some parameters. They are described in <xref
- linkend="runtime-config-short-table">.
+ For convenience there are also single letter command-line option
+ switches available for some parameters. They are described in
+ <xref linkend="runtime-config-short-table">. Some of these
+ options exist for historical reasons, and their presence as a
+ single-letter option does not necessarily indicate an endorsement
+ to use the option heavily.
</para>
<table id="runtime-config-short-table">
<tbody>
<row>
+ <entry><option>-A <replaceable>x</replaceable></option></entry>
+ <entry><literal>debug_assertions = <replaceable>x</replaceable></></entry>
+ </row>
+ <row>
<entry><option>-B <replaceable>x</replaceable></option></entry>
<entry><literal>shared_buffers = <replaceable>x</replaceable></></entry>
</row>
<entry><literal>log_min_messages = DEBUG<replaceable>x</replaceable></></entry>
</row>
<row>
+ <entry><option>-e</option></entry>
+ <entry><literal>datestyle = euro</></entry>
+ </row>
+ <row>
+ <entry>
+ <option>-fb</option>, <option>-fh</option>, <option>-fi</option>,
+ <option>-fm</option>, <option>-fn</option>,
+ <option>-fs</option>, <option>-ft</option>
+ </entry>
+ <entry>
+ <literal>enable_bitmapscan = off</>,
+ <literal>enable_hashjoin = off</>,
+ <literal>enable_indexscan = off</>,
+ <literal>enable_mergejoin = off</>,
+ <literal>enable_nestloop = off</>,
+ <literal>enable_seqscan = off</>,
+ <literal>enable_tidscan = off</>
+ </entry>
+ </row>
+ <row>
<entry><option>-F</option></entry>
<entry><literal>fsync = off</></entry>
</row>
<entry><literal>max_connections = <replaceable>x</replaceable></></entry>
</row>
<row>
+ <entry><option>-O</option></entry>
+ <entry><literal>allow_system_table_mods = on</></entry>
+ </row>
+ <row>
<entry><option>-p <replaceable>x</replaceable></option></entry>
<entry><literal>port = <replaceable>x</replaceable></></entry>
</row>
-
<row>
- <entry>
- <option>-fb</option>, <option>-fh</option>, <option>-fi</option>,
- <option>-fm</option>, <option>-fn</option>,
- <option>-fs</option>, <option>-ft</option><footnote
- id="fn.runtime-config-short">
- <para>
- For historical reasons, these options must be passed to
- the individual server process via the <option>-o</option>
- <command>postmaster</command> option, for example,
-<screen>
-$ <userinput>postmaster -o '-S 1024 -s'</userinput>
-</screen>
- or via <envar>PGOPTIONS</envar> from the client side, as
- explained above.
- </para>
- </footnote>
- </entry>
- <entry>
- <literal>enable_bitmapscan = off</>,
- <literal>enable_hashjoin = off</>,
- <literal>enable_indexscan = off</>,
- <literal>enable_mergejoin = off</>,
- <literal>enable_nestloop = off</>,
- <literal>enable_seqscan = off</>,
- <literal>enable_tidscan = off</>
- </entry>
+ <entry><option>-P</option></entry>
+ <entry><literal>ignore_system_indexes = on</></entry>
</row>
-
<row>
- <entry><option>-s</option><footnoteref linkend="fn.runtime-config-short"></entry>
+ <entry><option>-s</option></entry>
<entry><literal>log_statement_stats = on</></entry>
</row>
-
<row>
- <entry><option>-S <replaceable>x</replaceable></option><footnoteref linkend="fn.runtime-config-short">
- </entry>
+ <entry><option>-S <replaceable>x</replaceable></option></entry>
<entry><literal>work_mem = <replaceable>x</replaceable></></entry>
</row>
-
<row>
- <entry><option>-tpa</option>, <option>-tpl</option>, <option>-te</option><footnoteref linkend="fn.runtime-config-short"></entry>
+ <entry><option>-tpa</option>, <option>-tpl</option>, <option>-te</option></entry>
<entry><literal>log_parser_stats = on</>,
<literal>log_planner_stats = on</>,
<literal>log_executor_stats = on</></entry>
</row>
+ <row>
+ <entry><option>-W <replaceable>x</replaceable></option></entry>
+ <entry><literal>post_auth_delay = <replaceable>x</replaceable></></entry>
+ </row>
</tbody>
</tgroup>
</table>
<!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/postgres-ref.sgml,v 1.45 2004/11/15 06:32:15 neilc Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/postgres-ref.sgml,v 1.46 2006/01/05 10:07:44 petere Exp $
PostgreSQL documentation
-->
<refsynopsisdiv>
<cmdsynopsis>
- <!-- standalone call -->
<command>postgres</command>
- <arg>-A <group choice="plain"><arg>0</arg><arg>1</arg></group></arg>
- <arg>-B <replaceable>nbuffers</replaceable></arg>
- <arg>-c <replaceable>name</replaceable>=<replaceable>value</replaceable></arg>
- <arg>-d <replaceable>debug-level</replaceable></arg>
- <arg>--describe-config</arg>
- <arg>-D <replaceable>datadir</replaceable></arg>
- <arg>-e</arg>
- <arg>-E</arg>
- <arg>-f<group choice="plain"><arg>s</arg><arg>i</arg><arg>t</arg><arg>n</arg><arg>m</arg><arg>h</arg></group></arg>
- <arg>-F</arg>
- <arg>-N</arg>
- <arg>-o <replaceable>filename</replaceable></arg>
- <arg>-O</arg>
- <arg>-P</arg>
- <group>
- <arg>-s</arg>
- <arg>-t<group choice="plain"><arg>pa</arg><arg>pl</arg><arg>ex</arg></group></arg>
- </group>
- <arg>-S <replaceable>work-mem</replaceable></arg>
- <arg>-W <replaceable>seconds</replaceable></arg>
- <arg>--<replaceable>name</replaceable>=<replaceable>value</replaceable></arg>
+ <arg rep="repeat"><replaceable>option</></arg>
<arg choice="plain"><replaceable>database</replaceable></arg>
- <sbr>
- <!-- postmaster fork -->
- <command>postgres</command>
- <arg>-A <group choice="plain"><arg>0</arg><arg>1</arg></group></arg>
- <arg>-B <replaceable>nbuffers</replaceable></arg>
- <arg>-c <replaceable>name</replaceable>=<replaceable>value</replaceable></arg>
- <arg>-d <replaceable>debug-level</replaceable></arg>
- <arg>-D <replaceable>datadir</replaceable></arg>
- <arg>-e</arg>
- <arg>-f<group choice="plain"><arg>s</arg><arg>i</arg><arg>t</arg><arg>n</arg><arg>m</arg><arg>h</arg></group></arg>
- <arg>-F</arg>
- <arg>-o <replaceable>filename</replaceable></arg>
- <arg>-O</arg>
- <arg>-p <replaceable>database</replaceable></arg>
- <arg>-P</arg>
- <group>
- <arg>-s</arg>
- <arg>-t<group choice="plain"><arg>pa</arg><arg>pl</arg><arg>ex</arg></group></arg>
- </group>
- <arg>-S <replaceable>work-mem</replaceable></arg>
- <arg>-v <replaceable>protocol</replaceable></arg>
- <arg>-W <replaceable>seconds</replaceable></arg>
- <arg>--<replaceable>name</replaceable>=<replaceable>value</replaceable></arg>
</cmdsynopsis>
</refsynopsisdiv>
<para>
The <command>postgres</command> executable is the actual
<productname>PostgreSQL</productname> server process that processes
- queries. It is normally not called directly; instead a <xref
- linkend="app-postmaster"> multiuser server is started.
- </para>
-
- <para>
- The second form above is how
- <command>postgres</command> is invoked by the <xref
- linkend="app-postmaster"> (only
- conceptually, since both <filename>postmaster</filename> and
- <filename>postgres</filename> are in fact the same program); it
- should not be invoked directly this way. The first form invokes
- the server directly in interactive single-user mode. The primary use
- for this mode is during bootstrapping by <xref linkend="app-initdb">.
- Sometimes it is used for debugging or disaster recovery.
+ SQL statements. It is normally not called directly; instead a
+ <xref linkend="app-postmaster"> multiuser server is started.
+ Conceptually, the <command>postmaster</command> starts a new
+ <command>postgres</command> process for each connection.
+ (<filename>postmaster</filename> and <filename>postgres</filename>
+ are in fact the same program, and on most platforms the connection
+ process is forked).
</para>
<para>
+ If the <command>postgres</command> command is called directly, it
+ invokes the server in interactive single-user mode. The primary
+ use for this mode is during bootstrapping by <xref
+ linkend="app-initdb">. Sometimes it is used for debugging or
+ disaster recovery.
When invoked in interactive mode from the shell, the user can enter
queries and the results will be printed to the screen, but in a
form that is more useful for developers than end users. But note
<para>
When <command>postgres</command> is started by a <xref
- linkend="app-postmaster"> then it
- inherits all options set by the latter. Additionally,
- <command>postgres</command>-specific options can be passed
- from the <command>postmaster</command> with the
- <option>-o</option> switch.
+ linkend="app-postmaster"> then it inherits all options set by the
+ latter. In single-user mode, <command>postgres</command> accepts
+ all the options that <command>postmaster</command> would accept.
</para>
<para>
<para>
The options <option>-A</option>, <option>-B</option>,
<option>-c</option>, <option>-d</option>, <option>-D</option>,
- <option>-F</option>, and <option>--<replaceable>name</></option> have the same meanings
- as the <xref linkend="app-postmaster"> except that
- <literal>-d 0</> prevents the server log level of
- the <command>postmaster</> from being propagated to <command>postgres</>.
+ <option>-e</option>, <option>-F</option>, <option>-s</option>,
+ <option>-S</option>, and <option>--<replaceable>name</></option>
+ have the same meanings as with the <xref linkend="app-postmaster">
+ except that <literal>-d 0</> prevents the server log level of the
+ <command>postmaster</> from being propagated to
+ <command>postgres</>. Other <command>postmaster</command>
+ options are also accepted but will have no noticeable effect
+ because they only apply to the multiuser server mode, namely
+ <option>-h</option>, <option>-i</option>, <option>-k</option>,
+ <option>-l</option>, and <option>-n</option>.
</para>
-
- <variablelist>
- <varlistentry>
- <term><option>-e</option></term>
- <listitem>
- <para>
- Sets the default date style to <quote>European</quote>, that is
- <literal>DMY</> ordering of input date fields. This also causes
- the day to be printed before the month in certain date output formats.
- See <xref linkend="datatype-datetime"> for more information.
- </para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>-o</option> <replaceable class="parameter">filename</replaceable></term>
- <listitem>
- <para>
- Send all server log output to
- <replaceable class="parameter">filename</replaceable>.
- If <command>postgres</command> is running under the
- <command>postmaster</command>, this option is ignored,
- and the <systemitem>stderr</> inherited from the
- <command>postmaster</command> is used.
- </para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>-P</option></term>
- <listitem>
- <para>
- Ignore system indexes when reading system tables (but still update
- the indexes when modifying the tables). This is useful when
- recovering from damaged system indexes.
- </para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>-s</option></term>
- <listitem>
- <para>
- Print time information and other statistics at the end of each command.
- This is useful for benchmarking or for use in tuning the number of
- buffers.
- </para>
- </listitem>
- </varlistentry>
-
- <varlistentry>
- <term><option>-S</option> <replaceable class="parameter">work-mem</replaceable></term>
- <listitem>
- <para>
- Specifies the amount of memory to be used by internal sorts and hashes
- before resorting to temporary disk files. See the description of the
- <varname>work_mem</> configuration parameter in <xref
- linkend="runtime-config-resource-memory">.
- </para>
- </listitem>
- </varlistentry>
-
- </variablelist>
</refsect2>
<refsect2>
</varlistentry>
<varlistentry>
- <term><option>-N</option></term>
+ <term><option>-j</option></term>
<listitem>
<para>
Disables use of newline as a statement delimiter.
</para>
</listitem>
</varlistentry>
- </variablelist>
- </refsect2>
-
- <refsect2>
- <title>Semi-internal Options</title>
-
- <para>
- There are several other options that may be specified, used
- mainly for debugging purposes. These are listed here only for
- the use by <productname>PostgreSQL</productname> system
- developers. <emphasis>Use of any of these options is highly
- discouraged.</emphasis> Furthermore, any of these options may
- disappear or change in a future release without notice.
- </para>
- <variablelist>
-
- <varlistentry>
- <term><option>-f</option> <literal>{ s | i | m | n | h }</literal></term>
- <listitem>
- <para>
- Forbids the use of particular scan and join methods:
- <literal>s</literal> and <literal>i</literal>
- disable sequential and index scans respectively, while
- <literal>n</literal>, <literal>m</literal>, and <literal>h</literal>
- disable nested-loop, merge and hash joins respectively.
- </para>
-
- <note>
- <para>
- Neither sequential scans nor nested-loop joins can be disabled completely;
- the <literal>-fs</literal> and <literal>-fn</literal>
- options simply discourage the optimizer from using those
- plan types if it has any other alternative.
- </para>
- </note>
- </listitem>
- </varlistentry>
<varlistentry>
- <term><option>-O</option></term>
+ <term><option>-r</option> <replaceable class="parameter">filename</replaceable></term>
<listitem>
<para>
- Allows the structure of system tables to be modified. This is
- used by <command>initdb</command>.
+ Send all server log output to
+ <replaceable class="parameter">filename</replaceable>.
+ If <command>postgres</command> is running under the
+ <command>postmaster</command>, this option is ignored,
+ and the <systemitem>stderr</> inherited from the
+ <command>postmaster</command> is used.
</para>
</listitem>
</varlistentry>
+ </variablelist>
+ </refsect2>
- <varlistentry>
- <term><option>-p</option> <replaceable class="parameter">database</replaceable></term>
- <listitem>
- <para>
- Indicates that this process has been started by a
- <command>postmaster</command> and specifies the database to use.
- etc.
- </para>
- </listitem>
- </varlistentry>
+ <refsect2>
+ <title>Semi-internal Options</title>
- <varlistentry>
- <term><option>-t</option> <literal>pa[rser] | pl[anner] | e[xecutor]</literal></term>
- <listitem>
- <para>
- Print timing statistics for each query relating to each of the
- major system modules. This option cannot be used together
- with the <option>-s</option> option.
- </para>
- </listitem>
- </varlistentry>
+ <para>
+ The options <option>-f</option>, <option>-O</option>,
+ <option>-P</option>, <option>-t</option>, and <option>-W</option>
+ have the same meanings as with the <xref
+ linkend="app-postmaster"> and are reserved for debugging and
+ disaster recovery. Further options for internal use are:
+ <variablelist>
<varlistentry>
<term><option>-v</option> <replaceable class="parameter">protocol</replaceable></term>
<listitem>
</varlistentry>
<varlistentry>
- <term><option>-W</option> <replaceable class="parameter">seconds</replaceable></term>
+ <term><option>-y</option> <replaceable class="parameter">database</replaceable></term>
<listitem>
<para>
- As soon as this option is encountered, the process sleeps for
- the specified amount of seconds. This gives developers time
- to attach a debugger to the server process.
+ Indicates that this process has been started by a
+ <command>postmaster</command> and specifies the database to use.
+ etc.
</para>
</listitem>
</varlistentry>
</para>
</listitem>
</varlistentry>
-
</variablelist>
+ </para>
</refsect2>
</refsect1>
</para>
</listitem>
</varlistentry>
-
</variablelist>
-
- <para>
- For others, which have little influence during single-user mode,
- see <xref linkend="app-postmaster">.
- </para>
</refsect1>
<refsect1>
</para>
<para>
- But if you use the <option>-N</> command line switch, then newline does
+ But if you use the <option>-j</> command line switch, then newline does
not terminate command entry. In this case, the server will read the standard input
until the end-of-file (<acronym>EOF</>) marker, then
process the input as a single command string. Backslash-newline is not
To quit the session, type <acronym>EOF</acronym>
(<keycombo action="simul"><keycap>Control</><keycap>D</></>, usually).
If you've
- used <option>-
N</>, two consecutive <acronym>EOF</>s are needed to exit.
+ used <option>-
j</>, two consecutive <acronym>EOF</>s are needed to exit.
</para>
<para>
<!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/postmaster.sgml,v 1.54 2005/12/02 23:13:46 tgl Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/postmaster.sgml,v 1.55 2006/01/05 10:07:44 petere Exp $
PostgreSQL documentation
-->
<refsynopsisdiv>
<cmdsynopsis>
<command>postmaster</command>
- <arg>-A <group choice="plain"><arg>0</arg><arg>1</arg></group></arg>
- <arg>-B <replaceable>nbuffers</replaceable></arg>
- <arg>-c <replaceable>name</replaceable>=<replaceable>value</replaceable></arg>
- <arg>-d <replaceable>debug-level</replaceable></arg>
- <arg>-D <replaceable>datadir</replaceable></arg>
- <arg>-F</arg>
- <arg>-h <replaceable>hostname</replaceable></arg>
- <arg>-i</arg>
- <arg>-k <replaceable>directory</replaceable></arg>
- <arg>-l</arg>
- <arg>-N <replaceable>max-connections</replaceable></arg>
- <arg>-o <replaceable>extra-options</replaceable></arg>
- <arg>-p <replaceable>port</replaceable></arg>
- <arg>-S</arg>
- <arg>--<replaceable>name</replaceable>=<replaceable>value</replaceable></arg>
- <group><arg>-n</arg><arg>-s</arg></group>
+ <arg rep="repeat"><replaceable>option</></arg>
</cmdsynopsis>
</refsynopsisdiv>
location (the <quote>data area</quote>).
More than one <command>postmaster</command> process can run on a system
at one time, so long as they use different data areas and different
- communication ports (see below). A data area is created with <xref
- linkend="app-initdb">.
+ communication ports (see below).
</para>
<para>
directly to the data area directory created by <application>initdb</>.
Other possible file layouts are discussed in
<xref linkend="runtime-config-file-locations">.
+ A data area is created with <xref linkend="app-initdb">.
</para>
</refsect1>
<para>
<command>postmaster</command> accepts the following
command line arguments. For a detailed discussion of the options
- consult <xref linkend="runtime-config">. You can also save typing most of these
+ consult <xref linkend="runtime-config">. You can save typing most of these
options by setting up a configuration file.
+ </para>
+
+ <refsect2>
+ <title>General Purpose</title>
<variablelist>
<varlistentry>
</varlistentry>
<varlistentry>
+ <term><option>-e</option></term>
+ <listitem>
+ <para>
+ Sets the default date style to <quote>European</quote>, that is
+ <literal>DMY</> ordering of input date fields. This also causes
+ the day to be printed before the month in certain date output formats.
+ See <xref linkend="datatype-datetime"> for more information.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><option>-F</option></term>
<listitem>
<para>
linkend="app-postgres"> for possibilities. If the option
string contains any spaces, the entire string must be quoted.
</para>
+
+ <para>
+ The use of this option is obsolete; all command-line options
+ for server processes can be specified directly on the
+ <command>postmaster</command> command line
+ </para>
</listitem>
</varlistentry>
</varlistentry>
<varlistentry>
+ <term><option>-s</option></term>
+ <listitem>
+ <para>
+ Print time information and other statistics at the end of each command.
+ This is useful for benchmarking or for use in tuning the number of
+ buffers.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><option>-S</option></term>
<listitem>
<para>
</varlistentry>
</variablelist>
- </para>
+ </refsect2>
- <para>
- Two additional command line options are available for debugging
- problems that cause a server process to die abnormally. The
- ordinary strategy in this situation is to notify all other server
- processes that they must terminate and then reinitialize the
- shared memory and semaphores. This is because an errant server
- process could have corrupted some shared state before terminating.
- These options select alternative behaviors of the
- <command>postmaster</command> in this situation.
- <emphasis>Neither option is intended for use in ordinary
- operation.</emphasis>
- </para>
+ <refsect2>
+ <title>Semi-internal Options</title>
- <para>
- </para>
-
- <para>
- These special-case options are:
+ <para>
+ There are several other options that may be specified, used
+ mainly for debugging purposes and in some cases to assist with
+ recovery of severely damaged databases. There should be no reason
+ to use them in a production database setup. These are listed
+ here only for the use by <productname>PostgreSQL</productname>
+ system developers. <emphasis>Use of any of these options is
+ highly discouraged.</emphasis> Furthermore, any of these options
+ may disappear or change in a future release without notice.
+ </para>
<variablelist>
<varlistentry>
+ <term><option>-f</option> <literal>{ s | i | m | n | h }</literal></term>
+ <listitem>
+ <para>
+ Forbids the use of particular scan and join methods:
+ <literal>s</literal> and <literal>i</literal>
+ disable sequential and index scans respectively, while
+ <literal>n</literal>, <literal>m</literal>, and <literal>h</literal>
+ disable nested-loop, merge and hash joins respectively.
+ </para>
+
+ <para>
+ Neither sequential scans nor nested-loop joins can be disabled
+ completely; the <literal>-fs</literal> and
+ <literal>-fn</literal> options simply discourage the optimizer
+ from using those plan types if it has any other alternative.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><option>-n</option></term>
<listitem>
<para>
- <command>postmaster</command>
- will not reinitialize shared data structures. A knowledgeable system
- programmer can then use a debugger
- to examine shared memory and semaphore state.
+ This option is for debugging problems that cause a server
+ process to die abnormally. The ordinary strategy in this
+ situation is to notify all other server processes that they
+ must terminate and then reinitialize the shared memory and
+ semaphores. This is because an errant server process could
+ have corrupted some shared state before terminating. This
+ option specifies that the <command>postmaster</command> will
+ not reinitialize shared data structures. A knowledgeable
+ system programmer can then use a debugger to examine shared
+ memory and semaphore state.
</para>
</listitem>
</varlistentry>
- <varlistentry>
- <term><option>-s</option></term>
+ <varlistentry>
+ <term><option>-O</option></term>
<listitem>
<para>
- <command>postmaster</command>
- will stop all other server processes by sending the signal
- <literal>SIGSTOP</literal>,
- but will not cause them to terminate. This permits system programmers
- to collect core dumps from all server processes by hand.
+ Allows the structure of system tables to be modified. This is
+ used by <command>initdb</command>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-P</option></term>
+ <listitem>
+ <para>
+ Ignore system indexes when reading system tables (but still update
+ the indexes when modifying the tables). This is useful when
+ recovering from damaged system indexes.
</para>
</listitem>
</varlistentry>
- </variablelist>
- </para>
+ <varlistentry>
+ <term><option>-t</option> <literal>pa[rser] | pl[anner] | e[xecutor]</literal></term>
+ <listitem>
+ <para>
+ Print timing statistics for each query relating to each of the
+ major system modules. This option cannot be used together
+ with the <option>-s</option> option.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-T</option></term>
+ <listitem>
+ <para>
+ This option is for debugging problems that cause a server
+ process to die abnormally. The ordinary strategy in this
+ situation is to notify all other server processes that they
+ must terminate and then reinitialize the shared memory and
+ semaphores. This is because an errant server process could
+ have corrupted some shared state before terminating. This
+ option specifies that the <command>postmaster</command> will
+ stop all other server processes by sending the signal
+ <literal>SIGSTOP</literal>, but will not cause them to
+ terminate. This permits system programmers to collect core
+ dumps from all server processes by hand.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-W</option> <replaceable class="parameter">seconds</replaceable></term>
+ <listitem>
+ <para>
+ A delay of this many seconds occurs when a new server process
+ is started, after it conducts the authentication procedure.
+ This is intended to give an opportunity to attach to the
+ server process with a debugger.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
</refsect1>
<refsect1>
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/access/index/genam.c,v 1.52 2005/12/03 05:51:00 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/access/index/genam.c,v 1.53 2006/01/05 10:07:44 petere Exp $
*
* NOTES
* many of the old access method routines have been turned into
Relation irel;
if (indexOK &&
- !IsIgnoringSystemIndexes() &&
+ !IgnoreSystemIndexes &&
!ReindexIsProcessingIndex(indexId))
irel = index_open(indexId);
else
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/bootstrap/bootstrap.c,v 1.210 2006/01/04 21:06:30 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/bootstrap/bootstrap.c,v 1.211 2006/01/05 10:07:44 petere Exp $
*
*-------------------------------------------------------------------------
*/
argc--;
}
- while ((flag = getopt(argc, argv, "B:c:d:D:Fo:p:x:-:")) != -1)
+ while ((flag = getopt(argc, argv, "B:c:d:D:Fr:x:y:-:")) != -1)
{
switch (flag)
{
+ case 'B':
+ SetConfigOption("shared_buffers", optarg, PGC_POSTMASTER, PGC_S_ARGV);
+ break;
case 'D':
userDoption = optarg;
break;
case 'F':
SetConfigOption("fsync", "false", PGC_POSTMASTER, PGC_S_ARGV);
break;
- case 'o':
+ case 'r':
StrNCpy(OutputFileName, optarg, MAXPGPATH);
break;
case 'x':
xlogop = atoi(optarg);
break;
- case 'p':
+ case 'y':
dbname = strdup(optarg);
break;
- case 'B':
- SetConfigOption("shared_buffers", optarg, PGC_POSTMASTER, PGC_S_ARGV);
- break;
case 'c':
case '-':
{
CreateDataDirLockFile(false);
SetProcessingMode(BootstrapProcessing);
- IgnoreSystemIndexes(true);
+ IgnoreSystemIndexes = true;
BaseInit();
static void
usage(void)
{
- write_stderr("Usage:\n"
- " postgres -boot [OPTION]... DBNAME\n"
- " -c NAME=VALUE set run-time parameter\n"
- " -d 1-5 debug level\n"
- " -D datadir data directory\n"
- " -F turn off fsync\n"
- " -o file send debug output to file\n"
- " -x num internal use\n");
+ fprintf(stderr, _("This is the PostgreSQL bootstrap process.\n\n"));
+ fprintf(stderr, _("Usage:\n postgres -boot [OPTION]... DBNAME\n\n"));
+ fprintf(stderr, _("Options:\n"));
+ fprintf(stderr, _(" -B NBUFFERS number of shared buffers\n"));
+ fprintf(stderr, _(" -c NAME=VALUE set run-time parameter\n"));
+ fprintf(stderr, _(" -d 1-5 debugging level\n"));
+ fprintf(stderr, _(" -D DATADIR database directory\n"));
+ fprintf(stderr, _(" -F turn fsync off\n"));
+ fprintf(stderr, _(" -r FILENAME send stdout and stderr to given file\n"));
+ fprintf(stderr, _(" -x NUM internal use\n"));
proc_exit(1);
}
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.197 2005/11/22 18:17:09 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.198 2006/01/05 10:07:45 petere Exp $
*
*-------------------------------------------------------------------------
*/
/*
* Note: since we scan the triggers using TriggerRelidNameIndexId, we will
* be reading the triggers in name order, except possibly during
- * emergency-recovery operations (ie, IsIgnoringSystemIndexes). This in
+ * emergency-recovery operations (ie, IgnoreSystemIndexes). This in
* turn ensures that triggers will be fired in name order.
*/
ScanKeyInit(&skey,
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/optimizer/util/plancat.c,v 1.115 2005/11/22 18:17:14 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/optimizer/util/plancat.c,v 1.116 2006/01/05 10:07:45 petere Exp $
*
*-------------------------------------------------------------------------
*/
/*
* Make list of indexes. Ignore indexes on system catalogs if told to.
*/
- if (IsIgnoringSystemIndexes() && IsSystemClass(relation->rd_rel))
+ if (IgnoreSystemIndexes && IsSystemClass(relation->rd_rel))
hasindex = false;
else
hasindex = relation->rd_rel->relhasindex;
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.477 2006/01/04 21:06:31 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.478 2006/01/05 10:07:45 petere Exp $
*
* NOTES
*
ALLOCSET_DEFAULT_MAXSIZE);
MemoryContextSwitchTo(PostmasterContext);
- IgnoreSystemIndexes(false);
-
if (find_my_exec(argv[0], my_exec_path) < 0)
elog(FATAL, "%s: could not locate my own executable path",
argv[0]);
opterr = 1;
- while ((opt = getopt(argc, argv, "A:a:B:b:c:D:d:Fh:ik:lm:MN:no:p:Ss-:")) != -1)
+ while ((opt = getopt(argc, argv, "A:B:c:D:d:EeFf:h:ijk:lN:nOo:Pp:r:S:sTt:W:-:")) != -1)
{
switch (opt)
{
case 'A':
-#ifdef USE_ASSERT_CHECKING
SetConfigOption("debug_assertions", optarg, PGC_POSTMASTER, PGC_S_ARGV);
-#else
- write_stderr("%s: assert checking is not compiled in\n", progname);
-#endif
- break;
- case 'a':
- /* Can no longer set authentication method. */
break;
+
case 'B':
SetConfigOption("shared_buffers", optarg, PGC_POSTMASTER, PGC_S_ARGV);
break;
- case 'b':
- /* Can no longer set the backend executable file to use. */
- break;
+
case 'D':
userDoption = optarg;
break;
+
case 'd':
set_debug_options(atoi(optarg), PGC_POSTMASTER, PGC_S_ARGV);
break;
+
+ case 'E':
+ SetConfigOption("log_statement", "all", PGC_POSTMASTER, PGC_S_ARGV);
+ break;
+
+ case 'e':
+ SetConfigOption("datestyle", "euro", PGC_POSTMASTER, PGC_S_ARGV);
+ break;
+
case 'F':
SetConfigOption("fsync", "false", PGC_POSTMASTER, PGC_S_ARGV);
break;
+
+ case 'f':
+ if (!set_plan_disabling_options(optarg, PGC_POSTMASTER, PGC_S_ARGV))
+ {
+ write_stderr("%s: invalid argument for option -f: \"%s\"\n",
+ progname, optarg);
+ ExitPostmaster(1);
+ }
+ break;
+
case 'h':
SetConfigOption("listen_addresses", optarg, PGC_POSTMASTER, PGC_S_ARGV);
break;
+
case 'i':
SetConfigOption("listen_addresses", "*", PGC_POSTMASTER, PGC_S_ARGV);
break;
+
+ case 'j':
+ /* only used by interactive backend */
+ break;
+
case 'k':
SetConfigOption("unix_socket_directory", optarg, PGC_POSTMASTER, PGC_S_ARGV);
break;
-#ifdef USE_SSL
+
case 'l':
SetConfigOption("ssl", "true", PGC_POSTMASTER, PGC_S_ARGV);
break;
-#endif
- case 'm':
- /* Multiplexed backends no longer supported. */
- break;
- case 'M':
- /*
- * ignore this flag. This may be passed in because the
- * program was run as 'postgres -M' instead of 'postmaster'
- */
- break;
case 'N':
- /* The max number of backends to start. */
SetConfigOption("max_connections", optarg, PGC_POSTMASTER, PGC_S_ARGV);
break;
+
case 'n':
/* Don't reinit shared mem after abnormal exit */
Reinit = false;
break;
- case 'o':
- /*
- * Other options to pass to the backend on the command line
- */
+ case 'O':
+ SetConfigOption("allow_system_table_mods", "true", PGC_POSTMASTER, PGC_S_ARGV);
+ break;
+
+ case 'o':
+ /* Other options to pass to the backend on the command line */
snprintf(ExtraOptions + strlen(ExtraOptions),
sizeof(ExtraOptions) - strlen(ExtraOptions),
" %s", optarg);
break;
+
+ case 'P':
+ SetConfigOption("ignore_system_indexes", "true", PGC_POSTMASTER, PGC_S_ARGV);
+ break;
+
case 'p':
SetConfigOption("port", optarg, PGC_POSTMASTER, PGC_S_ARGV);
break;
- case 'S':
- /*
- * Start in 'S'ilent mode (disassociate from controlling tty).
- * You may also think of this as 'S'ysV mode since it's most
- * badly needed on SysV-derived systems like SVR4 and HP-UX.
- */
- SetConfigOption("silent_mode", "true", PGC_POSTMASTER, PGC_S_ARGV);
+ case 'r':
+ /* only used by single-user backend */
+ break;
+
+ case 'S':
+ SetConfigOption("work_mem", optarg, PGC_POSTMASTER, PGC_S_ARGV);
break;
+
case 's':
+ SetConfigOption("log_statement_stats", optarg, PGC_POSTMASTER, PGC_S_ARGV);
+ break;
+ case 'T':
/*
* In the event that some backend dumps core, send SIGSTOP,
* rather than SIGQUIT, to all its peers. This lets the wily
*/
SendStop = true;
break;
+
+ case 't':
+ {
+ const char *tmp = get_stats_option_name(optarg);
+
+ if (tmp)
+ {
+ SetConfigOption(tmp, "true", PGC_POSTMASTER, PGC_S_ARGV);
+ }
+ else
+ {
+ write_stderr("%s: invalid argument for option -t: \"%s\"\n",
+ progname, optarg);
+ ExitPostmaster(1);
+ }
+ break;
+ }
+
+ case 'W':
+ SetConfigOption("post_auth_delay", optarg, PGC_POSTMASTER, PGC_S_ARGV);
+ break;
+
case 'c':
case '-':
{
printf(_(" -c NAME=VALUE set run-time parameter\n"));
printf(_(" -d 1-5 debugging level\n"));
printf(_(" -D DATADIR database directory\n"));
+ printf(_(" -e use European date input format (DMY)\n"));
printf(_(" -F turn fsync off\n"));
printf(_(" -h HOSTNAME host name or IP address to listen on\n"));
printf(_(" -i enable TCP/IP connections\n"));
printf(_(" -l enable SSL connections\n"));
#endif
printf(_(" -N MAX-CONNECT maximum number of allowed connections\n"));
- printf(_(" -o OPTIONS pass \"OPTIONS\" to each server process\n"));
+ printf(_(" -o OPTIONS pass \"OPTIONS\" to each server process (obsolete)\n"));
printf(_(" -p PORT port number to listen on\n"));
- printf(_(" -S silent mode (start in background without logging output)\n"));
+ printf(_(" -s show statistics after each query\n"));
+ printf(_(" -S WORK-MEM set amount of memory for sorts (in kB)\n"));
+ printf(_(" --NAME=VALUE set run-time parameter\n"));
printf(_(" --help show this help, then exit\n"));
printf(_(" --version output version information, then exit\n"));
printf(_("\nDeveloper options:\n"));
+ printf(_(" -f s|i|n|m|h forbid use of some plan types\n"));
printf(_(" -n do not reinitialize shared memory after abnormal exit\n"));
- printf(_(" -s send SIGSTOP to all backend servers if one dies\n"));
+ printf(_(" -O allow system table structure changes\n"));
+ printf(_(" -P disable system indexes\n"));
+ printf(_(" -t pa|pl|ex show timings after each query\n"));
+ printf(_(" -T send SIGSTOP to all backend servers if one dies\n"));
+ printf(_(" -W NUM wait NUM seconds to allow attach from a debugger\n"));
printf(_("\nPlease read the documentation for the complete list of run-time\n"
- "configuration settings and how to set them on the command line or in\n"
+ "configuration settings and how to set them on the command line or in\n"
"the configuration file.\n\n"
"Report bugs to <pgsql-bugs@postgresql.org>.\n"));
}
* Now, build the argv vector that will be given to PostgresMain.
*
* The layout of the command line is
- * postgres [secure switches] -p databasename [insecure switches]
- * where the switches after -p come from the client request.
+ * postgres [secure switches] -y databasename [insecure switches]
+ * where the switches after -y come from the client request.
*
* The maximum possible number of commandline arguments that could come
* from ExtraOptions or port->cmdline_options is (strlen + 1) / 2; see
/*
* Tell the backend it is being called from the postmaster, and which
- * database to use. -p marks the end of secure switches.
+ * database to use. -y marks the end of secure switches.
*/
- av[ac++] = "-p";
+ av[ac++] = "-y";
av[ac++] = port->database_name;
/*
snprintf(xlbuf, sizeof(xlbuf), "-x%d", xlop);
av[ac++] = xlbuf;
- av[ac++] = "-p";
+ av[ac++] = "-y";
av[ac++] = "template1";
av[ac] = NULL;
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.476 2006/01/05 03:01:35 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.477 2006/01/05 10:07:45 petere Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
/* GUC variable for maximum stack depth (measured in kilobytes) */
int max_stack_depth = 2048;
+/* wait N seconds to allow attach from a debugger */
+int PostAuthDelay = 0;
+
+
/* ----------------
* private variables
{
printf(_("%s is the PostgreSQL stand-alone backend. It is not\nintended to be used by normal users.\n\n"), progname);
- printf(_("Usage:\n %s [OPTION]... [DBNAME]\n\n"), progname);
+ printf(_("Usage:\n %s [OPTION]... DBNAME\n\n"), progname);
printf(_("Options:\n"));
#ifdef USE_ASSERT_CHECKING
printf(_(" -A 1|0 enable/disable run-time assert checking\n"));
#endif
printf(_(" -B NBUFFERS number of shared buffers\n"));
printf(_(" -c NAME=VALUE set run-time parameter\n"));
- printf(_(" -d 0-5 debugging level (0 is off)\n"));
+ printf(_(" -d 0-5 debugging level\n"));
printf(_(" -D DATADIR database directory\n"));
printf(_(" -e use European date input format (DMY)\n"));
- printf(_(" -E echo query before execution\n"));
+ printf(_(" -E echo statement before execution\n"));
printf(_(" -F turn fsync off\n"));
- printf(_(" -N do not use newline as interactive query delimiter\n"));
- printf(_(" -o FILENAME send stdout and stderr to given file\n"));
- printf(_(" -P disable system indexes\n"));
+ printf(_(" -j do not use newline as interactive query delimiter\n"));
+ printf(_(" -r FILENAME send stdout and stderr to given file\n"));
printf(_(" -s show statistics after each query\n"));
printf(_(" -S WORK-MEM set amount of memory for sorts (in kB)\n"));
+ printf(_(" --NAME=VALUE set run-time parameter\n"));
printf(_(" --describe-config describe configuration parameters, then exit\n"));
printf(_(" --help show this help, then exit\n"));
printf(_(" --version output version information, then exit\n"));
printf(_("\nDeveloper options:\n"));
printf(_(" -f s|i|n|m|h forbid use of some plan types\n"));
- printf(_(" -i do not execute queries\n"));
printf(_(" -O allow system table structure changes\n"));
+ printf(_(" -P disable system indexes\n"));
printf(_(" -t pa|pl|ex show timings after each query\n"));
printf(_(" -W NUM wait NUM seconds to allow attach from a debugger\n"));
printf(_("\nReport bugs to <pgsql-bugs@postgresql.org>.\n"));
}
+bool
+set_plan_disabling_options(const char *arg, GucContext context, GucSource source)
+{
+ char *tmp = NULL;
+
+ switch (arg[0])
+ {
+ case 's': /* seqscan */
+ tmp = "enable_seqscan";
+ break;
+ case 'i': /* indexscan */
+ tmp = "enable_indexscan";
+ break;
+ case 'b': /* bitmapscan */
+ tmp = "enable_bitmapscan";
+ break;
+ case 't': /* tidscan */
+ tmp = "enable_tidscan";
+ break;
+ case 'n': /* nestloop */
+ tmp = "enable_nestloop";
+ break;
+ case 'm': /* mergejoin */
+ tmp = "enable_mergejoin";
+ break;
+ case 'h': /* hashjoin */
+ tmp = "enable_hashjoin";
+ break;
+ }
+ if (tmp)
+ {
+ SetConfigOption(tmp, "false", context, source);
+ return true;
+ }
+ else
+ return false;
+}
+
+
+const char *
+get_stats_option_name(const char *arg)
+{
+ switch (arg[0])
+ {
+ case 'p':
+ if (optarg[1] == 'a') /* "parser" */
+ return "log_parser_stats";
+ else if (optarg[1] == 'l') /* "planner" */
+ return "log_planner_stats";
+ break;
+
+ case 'e': /* "executor" */
+ return "log_executor_stats";
+ break;
+ }
+
+ return NULL;
+}
+
+
/* ----------------------------------------------------------------
* PostgresMain
* postgres main loop -- all backends, interactive or otherwise start here
GucContext ctx;
GucSource gucsource;
bool am_superuser;
- char *tmp;
int firstchar;
char stack_base;
StringInfoData input_message;
ctx = PGC_POSTMASTER;
gucsource = PGC_S_ARGV; /* initial switches came from command line */
- while ((flag = getopt(argc, argv, "A:B:c:D:d:Eef:FiNOPo:p:S:st:v:W:-:")) != -1)
+ while ((flag = getopt(argc, argv, "A:B:c:D:d:EeFf:h:ijk:lN:nOo:Pp:r:S:sTt:v:W:y:-:")) != -1)
{
switch (flag)
{
case 'A':
-#ifdef USE_ASSERT_CHECKING
SetConfigOption("debug_assertions", optarg, ctx, gucsource);
-#else
- ereport(WARNING,
- (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
- errmsg("assert checking is not compiled in")));
-#endif
break;
case 'B':
-
- /*
- * specify the size of buffer pool
- */
SetConfigOption("shared_buffers", optarg, ctx, gucsource);
break;
- case 'D': /* PGDATA or config directory */
+ case 'D':
if (secure)
userDoption = optarg;
break;
- case 'd': /* debug level */
+ case 'd':
debug_flag = atoi(optarg);
break;
case 'E':
-
- /*
- * E - echo the query the user entered
- */
EchoQuery = true;
break;
case 'e':
-
- /*
- * Use European date input format (DMY)
- */
SetConfigOption("datestyle", "euro", ctx, gucsource);
break;
case 'F':
-
- /*
- * turn off fsync
- */
SetConfigOption("fsync", "false", ctx, gucsource);
break;
case 'f':
+ if (!set_plan_disabling_options(optarg, ctx, gucsource))
+ errs++;
+ break;
- /*
- * f - forbid generation of certain plans
- */
- tmp = NULL;
- switch (optarg[0])
- {
- case 's': /* seqscan */
- tmp = "enable_seqscan";
- break;
- case 'i': /* indexscan */
- tmp = "enable_indexscan";
- break;
- case 'b': /* bitmapscan */
- tmp = "enable_bitmapscan";
- break;
- case 't': /* tidscan */
- tmp = "enable_tidscan";
- break;
- case 'n': /* nestloop */
- tmp = "enable_nestloop";
- break;
- case 'm': /* mergejoin */
- tmp = "enable_mergejoin";
- break;
- case 'h': /* hashjoin */
- tmp = "enable_hashjoin";
- break;
- default:
- errs++;
- }
- if (tmp)
- SetConfigOption(tmp, "false", ctx, gucsource);
+ case 'h':
+ SetConfigOption("listen_addresses", optarg, ctx, gucsource);
break;
- case 'N':
+ case 'i':
+ SetConfigOption("listen_addresses", "*", ctx, gucsource);
+ break;
- /*
- * N - Don't use newline as a query delimiter
- */
+ case 'j':
UseNewLine = 0;
break;
- case 'O':
+ case 'k':
+ SetConfigOption("unix_socket_directory", optarg, ctx, gucsource);
+ break;
- /*
- * allow system table structure modifications
- */
- if (secure) /* XXX safe to allow from client??? */
- allowSystemTableMods = true;
+ case 'l':
+ SetConfigOption("ssl", "true", ctx, gucsource);
break;
- case 'P':
+ case 'N':
+ SetConfigOption("max_connections", optarg, ctx, gucsource);
+ break;
- /*
- * ignore system indexes
- *
- * As of PG 7.4 this is safe to allow from the client, since
- * it only disables reading the system indexes, not writing
- * them. Worst case consequence is slowness.
- */
- IgnoreSystemIndexes(true);
+ case 'n':
+ /* ignored for consistency with postmaster */
+ break;
+
+ case 'O':
+ SetConfigOption("allow_system_table_mods", "true", ctx, gucsource);
break;
case 'o':
+ errs++;
+ break;
- /*
- * o - send output (stdout and stderr) to the given file
- */
- if (secure)
- StrNCpy(OutputFileName, optarg, MAXPGPATH);
+ case 'P':
+ SetConfigOption("ignore_system_indexes", "true", ctx, gucsource);
break;
case 'p':
+ SetConfigOption("port", optarg, ctx, gucsource);
+ break;
- /*
- * p - special flag passed if backend was forked by a
- * postmaster.
- */
+ case 'r':
+ /* send output (stdout and stderr) to the given file */
if (secure)
- {
- dbname = strdup(optarg);
-
- secure = false; /* subsequent switches are NOT secure */
- ctx = PGC_BACKEND;
- gucsource = PGC_S_CLIENT;
- }
+ StrNCpy(OutputFileName, optarg, MAXPGPATH);
break;
case 'S':
-
- /*
- * S - amount of sort memory to use in 1k bytes
- */
SetConfigOption("work_mem", optarg, ctx, gucsource);
break;
case 's':
-
/*
- * s - report usage statistics (timings) after each query
- *
* Since log options are SUSET, we need to postpone unless
* still in secure context
*/
ctx, gucsource);
break;
+ case 'T':
+ /* ignored for consistency with postmaster */
+ break;
+
case 't':
- /* ---------------
- * tell postgres to report usage statistics (timings) for
- * each query
- *
- * -tpa[rser] = print stats for parser time of each query
- * -tpl[anner] = print stats for planner time of each query
- * -te[xecutor] = print stats for executor time of each query
- * caution: -s can not be used together with -t.
- * ----------------
- */
- tmp = NULL;
- switch (optarg[0])
- {
- case 'p':
- if (optarg[1] == 'a')
- tmp = "log_parser_stats";
- else if (optarg[1] == 'l')
- tmp = "log_planner_stats";
- else
- errs++;
- break;
- case 'e':
- tmp = "log_executor_stats";
- break;
- default:
- errs++;
- break;
- }
+ {
+ const char *tmp = get_stats_option_name(optarg);
if (tmp)
{
if (ctx == PGC_BACKEND)
else
SetConfigOption(tmp, "true", ctx, gucsource);
}
+ else
+ errs++;
break;
+ }
case 'v':
if (secure)
break;
case 'W':
+ SetConfigOption("post_auth_delay", optarg, ctx, gucsource);
+ break;
+
+ case 'y':
/*
- * wait N seconds to allow attach from a debugger
+ * y - special flag passed if backend was forked by a
+ * postmaster.
*/
- pg_usleep(atoi(optarg) * 1000000L);
+ if (secure)
+ {
+ dbname = strdup(optarg);
+
+ secure = false; /* subsequent switches are NOT secure */
+ ctx = PGC_BACKEND;
+ gucsource = PGC_S_CLIENT;
+ }
break;
case 'c':
pg_timezone_initialize();
}
+ if (PostAuthDelay)
+ pg_usleep(PostAuthDelay * 1000000L);
+
/*
* Set up signal handlers and masks.
*
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/cache/relcache.c,v 1.233 2005/12/09 01:22:04 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/cache/relcache.c,v 1.234 2006/01/05 10:07:46 petere Exp $
*
*-------------------------------------------------------------------------
*/
*
* Note: since we scan the rules using RewriteRelRulenameIndexId, we will
* be reading the rules in name order, except possibly during
- * emergency-recovery operations (ie, IsIgnoringSystemIndexes). This in
+ * emergency-recovery operations (ie, IgnoreSystemIndexes). This in
* turn ensures that rules will be fired in name order.
*/
rewrite_desc = heap_open(RewriteRelationId, AccessShareLock);
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/init/miscinit.c,v 1.152 2006/01/05 03:01:36 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/init/miscinit.c,v 1.153 2006/01/05 10:07:46 petere Exp $
*
*-------------------------------------------------------------------------
*/
* ----------------------------------------------------------------
*/
-static bool isIgnoringSystemIndexes = false;
-
-/*
- * IsIgnoringSystemIndexes
- * True if ignoring system indexes.
- */
-bool
-IsIgnoringSystemIndexes(void)
-{
- return isIgnoringSystemIndexes;
-}
-
-/*
- * IgnoreSystemIndexes
- * Set true or false whether PostgreSQL ignores system indexes.
- */
-void
-IgnoreSystemIndexes(bool mode)
-{
- isIgnoringSystemIndexes = mode;
-}
+bool IgnoreSystemIndexes = false;
/* ----------------------------------------------------------------
* system index reindexing support
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.305 2005/12/30 00:13:50 petere Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.306 2006/01/05 10:07:46 petere Exp $
*
*--------------------------------------------------------------------
*/
static bool assign_phony_autocommit(bool newval, bool doit, GucSource source);
static const char *assign_custom_variable_classes(const char *newval, bool doit,
GucSource source);
+static bool assign_debug_assertions(bool newval, bool doit, GucSource source);
static bool assign_ssl(bool newval, bool doit, GucSource source);
static bool assign_stage_log_stats(bool newval, bool doit, GucSource source);
static bool assign_log_stats(bool newval, bool doit, GucSource source);
/* STATS_COLLECTOR */
gettext_noop("Statistics / Query and Index Statistics Collector"),
/* AUTOVACUUM */
- gettext_noop("Auto Vacuum"),
+ gettext_noop("Autovacuum"),
/* CLIENT_CONN */
gettext_noop("Client Connection Defaults"),
/* CLIENT_CONN_STATEMENT */
&Log_disconnections,
false, NULL, NULL
},
-
-#ifdef USE_ASSERT_CHECKING
{
{"debug_assertions", PGC_USERSET, DEVELOPER_OPTIONS,
gettext_noop("Turns on various assertion checks."),
GUC_NOT_IN_SAMPLE
},
&assert_enabled,
- true, NULL, NULL
- },
+#ifdef USE_ASSERT_CHECKING
+ true,
+#else
+ false,
#endif
-
+ assign_debug_assertions, NULL
+ },
{
/* currently undocumented, so don't show in SHOW ALL */
{"exit_on_error", PGC_USERSET, UNGROUPED,
false, NULL, NULL
},
+ {
+ {"allow_system_table_mods", PGC_BACKEND, DEVELOPER_OPTIONS,
+ gettext_noop("Allows modifications of the structure of system tables."),
+ NULL,
+ GUC_NOT_IN_SAMPLE
+ },
+ &allowSystemTableMods,
+ false, NULL, NULL
+ },
+
+ {
+ {"ignore_system_indexes", PGC_BACKEND, DEVELOPER_OPTIONS,
+ gettext_noop("Disabled reading from system indexes."),
+ gettext_noop("It does not prevent updating the indexes, so it is safe "
+ "to use. The worst consequence is slowness."),
+ GUC_NOT_IN_SAMPLE
+ },
+ &IgnoreSystemIndexes,
+ false, NULL, NULL
+ },
+
/* End-of-list marker */
{
{NULL, 0, 0, NULL, NULL}, NULL, false, NULL, NULL
static struct config_int ConfigureNamesInt[] =
{
{
+ {"post_auth_delay", PGC_BACKEND, DEVELOPER_OPTIONS,
+ gettext_noop("Waits N seconds on connection startup after authentication."),
+ gettext_noop("This allows attaching a debugger to the process."),
+ GUC_NOT_IN_SAMPLE
+ },
+ &PostAuthDelay,
+ 0, 0, INT_MAX, NULL, NULL
+ },
+ {
{"default_statistics_target", PGC_USERSET, QUERY_TUNING_OTHER,
gettext_noop("Sets the default statistics target."),
gettext_noop("This applies to table columns that have not had a "
}
static bool
+assign_debug_assertions(bool newval, bool doit, GucSource source)
+{
+#ifndef USE_ASSERT_CHECKING
+ if (newval)
+ ereport(ERROR,
+ (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+ errmsg("assertion checking is not supported by this build")));
+#endif
+ return true;
+}
+
+static bool
assign_ssl(bool newval, bool doit, GucSource source)
{
#ifndef USE_SSL
* Portions Copyright (c) 1994, Regents of the University of California
* Portions taken from FreeBSD.
*
- * $PostgreSQL: pgsql/src/bin/initdb/initdb.c,v 1.105 2006/01/05 03:01:36 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/initdb/initdb.c,v 1.106 2006/01/05 10:07:46 petere Exp $
*
*-------------------------------------------------------------------------
*/
sysviews_setup = readfile(system_views_file);
/*
- * We use -N here to avoid backslashing stuff in system_views.sql
+ * We use -j here to avoid backslashing stuff in system_views.sql
*/
snprintf(cmd, sizeof(cmd),
- "\"%s\" %s -N template1 >%s",
+ "\"%s\" %s -j template1 >%s",
backend_exec, backend_options,
DEVNULL);
lines = readfile(info_schema_file);
/*
- * We use -N here to avoid backslashing stuff in information_schema.sql
+ * We use -j here to avoid backslashing stuff in information_schema.sql
*/
snprintf(cmd, sizeof(cmd),
- "\"%s\" %s -N template1 >%s",
+ "\"%s\" %s -j template1 >%s",
backend_exec, backend_options,
DEVNULL);
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.184 2005/11/22 18:17:29 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.185 2006/01/05 10:07:46 petere Exp $
*
* NOTES
* some of the information in this file should be moved to other files.
extern void BaseInit(void);
/* in utils/init/miscinit.c */
-extern void IgnoreSystemIndexes(bool mode);
-extern bool IsIgnoringSystemIndexes(void);
+extern bool IgnoreSystemIndexes;
extern void SetReindexProcessing(Oid heapOid, Oid indexOid);
extern void ResetReindexProcessing(void);
extern bool ReindexIsProcessingHeap(Oid heapOid);
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/tcop/tcopprot.h,v 1.78 2005/10/15 02:49:46 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/tcop/tcopprot.h,v 1.79 2006/01/05 10:07:46 petere Exp $
*
* OLD COMMENTS
* This file was created so that other c files could get the two
extern CommandDest whereToSendOutput;
extern DLLIMPORT const char *debug_query_string;
extern int max_stack_depth;
+extern int PostAuthDelay;
/* GUC-configurable parameters */
extern void ShowUsage(const char *title);
extern void set_debug_options(int debug_flag,
GucContext context, GucSource source);
+extern bool set_plan_disabling_options(const char *arg,
+ GucContext context, GucSource source);
+extern const char *get_stats_option_name(const char *arg);
#endif /* TCOPPROT_H */
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