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+'\" t
+.\"     Title: DO
+.\"    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 "DO" "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"
+DO \- execute an anonymous code block
+.SH "SYNOPSIS"
+.sp
+.nf
+DO [ LANGUAGE \fIlang_name\fR ] \fIcode\fR
+.fi
+.SH "DESCRIPTION"
+.PP
+\fBDO\fR
+executes an anonymous code block, or in other words a transient anonymous function in a procedural language\&.
+.PP
+The code block is treated as though it were the body of a function with no parameters, returning
+void\&. It is parsed and executed a single time\&.
+.PP
+The optional
+LANGUAGE
+clause can be written either before or after the code block\&.
+.SH "PARAMETERS"
+.PP
+\fIcode\fR
+.RS 4
+The procedural language code to be executed\&. This must be specified as a string literal, just as in
+\fBCREATE FUNCTION\fR\&. Use of a dollar\-quoted literal is recommended\&.
+.RE
+.PP
+\fIlang_name\fR
+.RS 4
+The name of the procedural language the code is written in\&. If omitted, the default is
+plpgsql\&.
+.RE
+.SH "NOTES"
+.PP
+The procedural language to be used must already have been installed into the current database by means of
+\fBCREATE EXTENSION\fR\&.
+plpgsql
+is installed by default, but other languages are not\&.
+.PP
+The user must have
+USAGE
+privilege for the procedural language, or must be a superuser if the language is untrusted\&. This is the same privilege requirement as for creating a function in the language\&.
+.PP
+If
+\fBDO\fR
+is executed in a transaction block, then the procedure code cannot execute transaction control statements\&. Transaction control statements are only allowed if
+\fBDO\fR
+is executed in its own transaction\&.
+.SH "EXAMPLES"
+.PP
+Grant all privileges on all views in schema
+public
+to role
+webuser:
+.sp
+.if n \{\
+.RS 4
+.\}
+.nf
+DO $$DECLARE r record;
+BEGIN
+    FOR r IN SELECT table_schema, table_name FROM information_schema\&.tables
+             WHERE table_type = \*(AqVIEW\*(Aq AND table_schema = \*(Aqpublic\*(Aq
+    LOOP
+        EXECUTE \*(AqGRANT ALL ON \*(Aq || quote_ident(r\&.table_schema) || \*(Aq\&.\*(Aq || quote_ident(r\&.table_name) || \*(Aq TO webuser\*(Aq;
+    END LOOP;
+END$$;
+.fi
+.if n \{\
+.RE
+.\}
+.SH "COMPATIBILITY"
+.PP
+There is no
+\fBDO\fR
+statement in the SQL standard\&.
+.SH "SEE ALSO"
+CREATE LANGUAGE (\fBCREATE_LANGUAGE\fR(7))