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Commita724463

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Improve non-thread-safe mention of libpq's crypt.
1 parent9600cca commita724463

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‎doc/src/sgml/libpq.sgml

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Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.86 2002/01/18 20:32:54 momjian Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.87 2002/01/18 20:39:04 momjian Exp $
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-->
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<chapter id="libpq">
@@ -2114,13 +2114,6 @@ time. In particular, you cannot issue concurrent queries from different
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threads through the same connection object. (If you need to run
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concurrent queries, start up multiple connections.)
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</para>
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<para>
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However, <filename>libpq</filename> clients using the
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<literal>crypt</literal> encryption method rely on the
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<literal>crypt()</literal> operating system function, which often is not
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thread-safe. It is better to use <literal>MD5</literal> encryption,
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which is guarantted to be thread-safe on all platforms.
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</para>
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<para>
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<structname>PGresult</> objects are read-only after creation, and so can be passed around
@@ -2135,6 +2128,13 @@ replaced by <function>PQoidValue</function>. There is no good reason to
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call <function>fe_setauthsvc</function> at all.
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</para>
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<para>
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<filename>Libpq</filename> clients using the <literal>crypt</literal>
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encryption method rely on the <literal>crypt()</literal> operating
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system function, which is often not thread-safe. It is better to use
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<literal>MD5</literal> encryption, which is thread-safe on all
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platforms.
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</para>
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</sect1>
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