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Commitf01e3ba

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doc: Mention more variant --name=value of -c name=value for postgres
postgres --name=value and -c name=value are equivalents. This commitexpands the documentation of libpq's "option" connection parameter andthe server startup sequence for shell interactions to mention bothrather than only -c.Extracted from a larger patch by the same authors.Reported-by: Alexey PalazhchenkoAuthor: David Johnston, Aleksander AlekseevReviewed-by: Nathan Bossart, Peter Eisentraut, Álvaro HerreraDiscussion:https://postgr.es/m/CAJ7c6TMkuLiLfrA+EFCPYfhXoMKRxxssB5c86+ibxfaz6+=Sdg@mail.gmail.com
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‎doc/src/sgml/config.sgml

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@@ -334,9 +334,10 @@ UPDATE pg_settings SET setting = reset_val WHERE name = 'configuration_parameter
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<para>
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During server startup, parameter settings can be
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passed to the <command>postgres</command> command via the
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<option>-c</option> command-line parameter. For example,
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<option>-c name=value</option> command-line parameter, or its equivalent
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<option>--name=value</option> variation. For example,
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<programlisting>
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postgres -c log_connections=yes -c log_destination='syslog'
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postgres -c log_connections=yes --log-destination='syslog'
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</programlisting>
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Settings provided in this way override those set via
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<filename>postgresql.conf</filename> or <command>ALTER SYSTEM</command>,
@@ -353,10 +354,10 @@ postgres -c log_connections=yes -c log_destination='syslog'
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of the session, but do not affect other sessions.
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For historical reasons, the format of <envar>PGOPTIONS</envar> is
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similar to that used when launching the <command>postgres</command>
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command; specifically, the <option>-c</option> flag must be specified.
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For example,
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command; specifically, the <option>-c</option>, or prepended
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<literal>--</literal>, before the name must be specified.For example,
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<programlisting>
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env PGOPTIONS="-c geqo=off -c statement_timeout=5min" psql
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env PGOPTIONS="-c geqo=off --statement-timeout=5min" psql
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</programlisting>
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</para>
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‎doc/src/sgml/libpq.sgml

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@@ -1421,9 +1421,10 @@ postgresql://%2Fvar%2Flib%2Fpostgresql/dbname
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<listitem>
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<para>
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Specifies command-line options to send to the server at connection
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start. For example, setting this to <literal>-c geqo=off</literal> sets the
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session's value of the <varname>geqo</varname> parameter to
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<literal>off</literal>. Spaces within this string are considered to
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start. For example, setting this to <literal>-c geqo=off</literal>
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or <literal>--geqo=off</literal> sets the session's value of the
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<varname>geqo</varname> parameter to <literal>off</literal>.
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Spaces within this string are considered to
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separate command-line arguments, unless escaped with a backslash
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(<literal>\</literal>); write <literal>\\</literal> to represent a literal
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backslash. For a detailed discussion of the available

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