Comment-out documentation for IS OF because it doesn't conform to the
ISO SQL behavior. Backpatch removal to 8.2.X.
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@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.366 2007/02/20 00:25:05 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.367 2007/02/20 14:04:50 momjian Exp $ -->
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<chapter id="functions">
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<title>Functions and Operators</title>
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@ -412,6 +412,7 @@
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expression must be of Boolean type.
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</para>
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<!-- IS OF does not conform to the ISO SQL behavior, so it is undocumented here
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<para>
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<indexterm>
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<primary>IS OF</primary>
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@ -427,6 +428,9 @@
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</synopsis>
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They return a boolean value based on whether the expression's data
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type is one of the listed data types.
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</para>
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-->
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</sect1>
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<sect1 id="functions-math">
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@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/syntax.sgml,v 1.116 2007/02/20 00:25:05 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/syntax.sgml,v 1.117 2007/02/20 14:04:50 momjian Exp $ -->
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<chapter id="sql-syntax">
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<title>SQL Syntax</title>
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@ -847,8 +847,7 @@ SELECT (5 !) - 6;
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<row>
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<entry><token>IS</token></entry>
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<entry></entry>
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<entry><literal>IS TRUE</>, <literal>IS FALSE</>, <literal>IS
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UNKNOWN</>, <literal>IS NULL</>, <literal>IS OF</></entry>
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<entry><literal>IS TRUE</>, <literal>IS FALSE</>, <literal>IS UNKNOWN</>, <literal>IS NULL</></entry>
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</row>
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<row>
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