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Add new reference pages. This completes the first cut at a full set
for SQL commands.
This commit is contained in:
Thomas G. Lockhart
209
doc/src/sgml/ref/drop_operator.sgml
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209
doc/src/sgml/ref/drop_operator.sgml
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<REFENTRY ID="SQL-DROPOPERATOR">
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<REFMETA>
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<REFENTRYTITLE>
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DROP OPERATOR
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</REFENTRYTITLE>
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<REFMISCINFO>SQL - Language Statements</REFMISCINFO>
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</REFMETA>
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<REFNAMEDIV>
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<REFNAME>
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DROP OPERATOR
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</REFNAME>
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<REFPURPOSE>
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Removes an operator from the database
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</REFPURPOSE>
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<REFSYNOPSISDIV>
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<REFSYNOPSISDIVINFO>
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<DATE>1998-04-15</DATE>
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</REFSYNOPSISDIVINFO>
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<SYNOPSIS>
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DROP OPERATOR <REPLACEABLE CLASS="PARAMETER">id</REPLACEABLE> ( <REPLACEABLE CLASS="PARAMETER">type</REPLACEABLE> | NONE [,...] );
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</SYNOPSIS>
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<REFSECT2 ID="R2-SQL-DROPOPERATOR-1">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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Inputs
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</TITLE>
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<PARA>
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</PARA>
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<VARIABLELIST>
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<VARLISTENTRY>
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<TERM>
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</TERM>
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<LISTITEM>
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<PARA>
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<VARIABLELIST>
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<VARLISTENTRY>
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<TERM>
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<ReturnValue><replaceable class="parameter">id</replaceable></ReturnValue>
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</TERM>
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<LISTITEM>
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<PARA>
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The identifier of an existing operator.
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</PARA>
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</LISTITEM>
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</VARLISTENTRY>
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<VARLISTENTRY>
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<TERM>
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<ReturnValue><replaceable class="parameter">type</replaceable></ReturnValue>
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</TERM>
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<LISTITEM>
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<PARA>
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The type of function parameters.
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</PARA>
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</LISTITEM>
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</VARLISTENTRY>
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</variablelist>
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</LISTITEM>
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</VARLISTENTRY>
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</VARIABLELIST>
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</REFSECT2>
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<REFSECT2 ID="R2-SQL-DROPOPERATOR-2">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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Outputs
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</TITLE>
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<PARA>
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</PARA>
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<VARIABLELIST>
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<VARLISTENTRY>
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<TERM>
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</TERM>
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<LISTITEM>
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<PARA>
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<VARIABLELIST>
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<VARLISTENTRY>
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<TERM>
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<ReturnValue>DROP</ReturnValue>
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</TERM>
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<LISTITEM>
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<PARA>
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The message returned if the command is successful.
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</PARA>
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</LISTITEM>
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</VARLISTENTRY>
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<VARLISTENTRY>
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<TERM>
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<ReturnValue>ERROR: RemoveOperator: ... does not exist</ReturnValue>
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</TERM>
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<LISTITEM>
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<PARA>
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This message occurs if the operator specified doesn't exist.
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</PARA>
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</LISTITEM>
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</VARLISTENTRY>
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</variablelist>
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</LISTITEM>
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</VARLISTENTRY>
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</VARIABLELIST>
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</REFSECT2>
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</REFSYNOPSISDIV>
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<REFSECT1 ID="R1-SQL-DROPOPERATOR-1">
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<REFSECT1INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT1INFO>
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<TITLE>
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Description
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</TITLE>
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<PARA>
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The DROP OPERATOR statement drops an existing operator from the
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database.
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To execute this command you must be the owner of the operator.
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</PARA>
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<PARA>
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The left or right type of a left or right unary
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operator, respectively, may be specified as NONE.
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</PARA>
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<REFSECT2 ID="R2-SQL-DROPOPERATOR-3">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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Notes
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</TITLE>
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<PARA>
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The <command>DROP OPERATOR</command> statement is a PostgreSQL
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language extension.
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</PARA>
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<PARA>
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Refer to the <command>CREATE OPERATOR</command> statement for
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information on how to create operators.
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</PARA>
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<PARA>
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It is the user's responsibility to remove any access methods,
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operator classes, and so on, that rely on the deleted operator.
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</PARA>
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</REFSECT2>
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<REFSECT1 ID="R1-SQL-DROPOPERATOR-2">
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<TITLE>
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Usage
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</TITLE>
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<PARA>
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Remove power operator <literal>a^n</literal> for <literal>int4</literal>:
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</PARA>
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<ProgramListing>
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DROP OPERATOR ^ (int4, int4);
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</ProgramListing>
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<PARA>
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Remove left unary operator <literal>!a</literal> for booleans:
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</PARA>
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<ProgramListing>
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DROP OPERATOR ! (none, bool);
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</ProgramListing>
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<PARA>
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Remove right unary factorial operator <literal>a!</literal> for
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<literal>int4</literal>:
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</PARA>
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<ProgramListing>
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DROP OPERATOR ! (int4, none);
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</ProgramListing>
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</REFSECT1>
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<REFSECT1 ID="R1-SQL-DROPOPERATOR-3">
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<TITLE>
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Compatibility
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</TITLE>
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<PARA>
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</PARA>
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<REFSECT2 ID="R2-SQL-DROPOPERATOR-4">
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<REFSECT2INFO>
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<DATE>1998-04-15</DATE>
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</REFSECT2INFO>
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<TITLE>
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SQL92
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</TITLE>
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<PARA>
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There is no DROP OPERATOR statement in SQL92.
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</PARA>
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</refsect2>
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</refsect1>
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</REFENTRY>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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sgml-parent-document:nil
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sgml-default-dtd-file:"../reference.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:"/usr/lib/sgml/catalog"
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sgml-local-ecat-files:nil
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End:
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-->
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