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DROP_OPERATOR.7
'\" t .\" Title: DROP OPERATOR .\" Author: The PostgreSQL Global Development Group .\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/> .\" Date: 2023 .\" Manual: PostgreSQL 13.13 Documentation .\" Source: PostgreSQL 13.13 .\" Language: English .\" .TH "DROP OPERATOR" "7" "2023" "PostgreSQL 13.13" "PostgreSQL 13.13 Documentation" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" DROP_OPERATOR \- remove an operator .SH "SYNOPSIS" .sp .nf DROP OPERATOR [ IF EXISTS ] \fIname\fR ( { \fIleft_type\fR | NONE } , { \fIright_type\fR | NONE } ) [, \&.\&.\&.] [ CASCADE | RESTRICT ] .fi .SH "DESCRIPTION" .PP \fBDROP OPERATOR\fR drops an existing operator from the database system\&. To execute this command you must be the owner of the operator\&. .SH "PARAMETERS" .PP IF EXISTS .RS 4 Do not throw an error if the operator does not exist\&. A notice is issued in this case\&. .RE .PP \fIname\fR .RS 4 The name (optionally schema\-qualified) of an existing operator\&. .RE .PP \fIleft_type\fR .RS 4 The data type of the operator\*(Aqs left operand; write NONE if the operator has no left operand\&. .RE .PP \fIright_type\fR .RS 4 The data type of the operator\*(Aqs right operand; write NONE if the operator has no right operand\&. .RE .PP CASCADE .RS 4 Automatically drop objects that depend on the operator (such as views using it), and in turn all objects that depend on those objects (see Section\ \&5.14)\&. .RE .PP RESTRICT .RS 4 Refuse to drop the operator if any objects depend on it\&. This is the default\&. .RE .SH "EXAMPLES" .PP Remove the power operator a^b for type integer: .sp .if n \{\ .RS 4 .\} .nf DROP OPERATOR ^ (integer, integer); .fi .if n \{\ .RE .\} .PP Remove the left unary bitwise complement operator ~b for type bit: .sp .if n \{\ .RS 4 .\} .nf DROP OPERATOR ~ (none, bit); .fi .if n \{\ .RE .\} .PP Remove the right unary factorial operator x! for type bigint: .sp .if n \{\ .RS 4 .\} .nf DROP OPERATOR ! (bigint, none); .fi .if n \{\ .RE .\} .PP Remove multiple operators in one command: .sp .if n \{\ .RS 4 .\} .nf DROP OPERATOR ~ (none, bit), ! (bigint, none); .fi .if n \{\ .RE .\} .SH "COMPATIBILITY" .PP There is no \fBDROP OPERATOR\fR statement in the SQL standard\&. .SH "SEE ALSO" CREATE OPERATOR (\fBCREATE_OPERATOR\fR(7)), ALTER OPERATOR (\fBALTER_OPERATOR\fR(7))