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diff --git a/doc/src/sgml/man7/DROP_TYPE.7 b/doc/src/sgml/man7/DROP_TYPE.7 new file mode 100644 index 0000000..94b140b --- /dev/null +++ b/doc/src/sgml/man7/DROP_TYPE.7 @@ -0,0 +1,89 @@ +'\" t +.\" Title: DROP TYPE +.\" Author: The PostgreSQL Global Development Group +.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/> +.\" Date: 2023 +.\" Manual: PostgreSQL 15.5 Documentation +.\" Source: PostgreSQL 15.5 +.\" Language: English +.\" +.TH "DROP TYPE" "7" "2023" "PostgreSQL 15.5" "PostgreSQL 15.5 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_TYPE \- remove a data type +.SH "SYNOPSIS" +.sp +.nf +DROP TYPE [ IF EXISTS ] \fIname\fR [, \&.\&.\&.] [ CASCADE | RESTRICT ] +.fi +.SH "DESCRIPTION" +.PP +\fBDROP TYPE\fR +removes a user\-defined data type\&. Only the owner of a type can remove it\&. +.SH "PARAMETERS" +.PP +IF EXISTS +.RS 4 +Do not throw an error if the type does not exist\&. A notice is issued in this case\&. +.RE +.PP +\fIname\fR +.RS 4 +The name (optionally schema\-qualified) of the data type to remove\&. +.RE +.PP +CASCADE +.RS 4 +Automatically drop objects that depend on the type (such as table columns, functions, and operators), and in turn all objects that depend on those objects (see +Section\ \&5.14)\&. +.RE +.PP +RESTRICT +.RS 4 +Refuse to drop the type if any objects depend on it\&. This is the default\&. +.RE +.SH "EXAMPLES" +.PP +To remove the data type +box: +.sp +.if n \{\ +.RS 4 +.\} +.nf +DROP TYPE box; +.fi +.if n \{\ +.RE +.\} +.SH "COMPATIBILITY" +.PP +This command is similar to the corresponding command in the SQL standard, apart from the +IF EXISTS +option, which is a +PostgreSQL +extension\&. But note that much of the +\fBCREATE TYPE\fR +command and the data type extension mechanisms in +PostgreSQL +differ from the SQL standard\&. +.SH "SEE ALSO" +ALTER TYPE (\fBALTER_TYPE\fR(7)), CREATE TYPE (\fBCREATE_TYPE\fR(7)) |