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Remove tabs from SGML files to help tag alingment and improve
detection of tabs are added in the future.
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@@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/plperl.sgml,v 2.63 2007/02/01 19:10:24 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/plperl.sgml,v 2.64 2007/02/16 03:50:29 momjian Exp $ -->
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<chapter id="plperl">
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<title>PL/Perl - Perl Procedural Language</title>
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@@ -649,19 +649,19 @@ $$ LANGUAGE plperl;
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<note>
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<para>
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For security reasons, to stop a leak of privileged operations from
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For security reasons, to stop a leak of privileged operations from
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<application>PL/PerlU</> to <application>PL/Perl</>, these two languages
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have to run in separate instances of the Perl interpreter. If your
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Perl installation has been appropriately compiled, this is not a problem.
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However, not all installations are compiled with the requisite flags.
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If <productname>PostgreSQL</> detects that this is the case then it will
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not start a second interpreter, but instead create an error. In
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consequence, in such an installation, you cannot use both
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<application>PL/PerlU</> and <application>PL/Perl</> in the same backend
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process. The remedy for this is to obtain a Perl installation created
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with the appropriate flags, namely either <literal>usemultiplicity</> or
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both <literal>usethreads</> and <literal>useithreads</>.
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For more details,see the <literal>perlembed</> manual page.
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have to run in separate instances of the Perl interpreter. If your
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Perl installation has been appropriately compiled, this is not a problem.
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However, not all installations are compiled with the requisite flags.
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If <productname>PostgreSQL</> detects that this is the case then it will
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not start a second interpreter, but instead create an error. In
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consequence, in such an installation, you cannot use both
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<application>PL/PerlU</> and <application>PL/Perl</> in the same backend
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process. The remedy for this is to obtain a Perl installation created
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with the appropriate flags, namely either <literal>usemultiplicity</> or
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both <literal>usethreads</> and <literal>useithreads</>.
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For more details,see the <literal>perlembed</> manual page.
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</para>
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</note>
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