'\" t
.\"     Title: DROP FOREIGN DATA WRAPPER
.\"    Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
.\"      Date: 2016
.\"    Manual: PostgreSQL 9.5.2 Documentation
.\"    Source: PostgreSQL 9.5.2
.\"  Language: English
.\"
.TH "DROP FOREIGN DATA WRAPPER" "5sql" "2016" "PostgreSQL 9.5.2" "PostgreSQL 9.5.2 Documentation"
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.SH "NAME"
DROP_FOREIGN_DATA_WRAPPER \- remove a foreign\-data wrapper
.SH "SYNOPSIS"
.sp
.nf
DROP FOREIGN DATA WRAPPER [ IF EXISTS ] \fIname\fR [ CASCADE | RESTRICT ]
.fi
.SH "DESCRIPTION"
.PP

\fBDROP FOREIGN DATA WRAPPER\fR
removes an existing foreign\-data wrapper\&. To execute this command, the current user must be the owner of the foreign\-data wrapper\&.
.SH "PARAMETERS"
.PP
IF EXISTS
.RS 4
Do not throw an error if the foreign\-data wrapper does not exist\&. A notice is issued in this case\&.
.RE
.PP
\fIname\fR
.RS 4
The name of an existing foreign\-data wrapper\&.
.RE
.PP
CASCADE
.RS 4
Automatically drop objects that depend on the foreign\-data wrapper (such as servers)\&.
.RE
.PP
RESTRICT
.RS 4
Refuse to drop the foreign\-data wrappers if any objects depend on it\&. This is the default\&.
.RE
.SH "EXAMPLES"
.PP
Drop the foreign\-data wrapper
dbi:
.sp
.if n \{\
.RS 4
.\}
.nf
DROP FOREIGN DATA WRAPPER dbi;
.fi
.if n \{\
.RE
.\}
.SH "COMPATIBILITY"
.PP

\fBDROP FOREIGN DATA WRAPPER\fR
conforms to ISO/IEC 9075\-9 (SQL/MED)\&. The
IF EXISTS
clause is a
PostgreSQL
extension\&.
.SH "SEE ALSO"
CREATE FOREIGN DATA WRAPPER (\fBCREATE_FOREIGN_DATA_WRAPPER\fR(5)), ALTER FOREIGN DATA WRAPPER (\fBALTER_FOREIGN_DATA_WRAPPER\fR(5))