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Diffstat (limited to 'doc/src/sgml/man7/CLOSE.7')
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1 files changed, 99 insertions, 0 deletions
diff --git a/doc/src/sgml/man7/CLOSE.7 b/doc/src/sgml/man7/CLOSE.7 new file mode 100644 index 0000000..42e862c --- /dev/null +++ b/doc/src/sgml/man7/CLOSE.7 @@ -0,0 +1,99 @@ +'\" t +.\" Title: CLOSE +.\" Author: The PostgreSQL Global Development Group +.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/> +.\" Date: 2021 +.\" Manual: PostgreSQL 13.4 Documentation +.\" Source: PostgreSQL 13.4 +.\" Language: English +.\" +.TH "CLOSE" "7" "2021" "PostgreSQL 13.4" "PostgreSQL 13.4 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" +CLOSE \- close a cursor +.SH "SYNOPSIS" +.sp +.nf +CLOSE { \fIname\fR | ALL } +.fi +.SH "DESCRIPTION" +.PP +\fBCLOSE\fR +frees the resources associated with an open cursor\&. After the cursor is closed, no subsequent operations are allowed on it\&. A cursor should be closed when it is no longer needed\&. +.PP +Every non\-holdable open cursor is implicitly closed when a transaction is terminated by +\fBCOMMIT\fR +or +\fBROLLBACK\fR\&. A holdable cursor is implicitly closed if the transaction that created it aborts via +\fBROLLBACK\fR\&. If the creating transaction successfully commits, the holdable cursor remains open until an explicit +\fBCLOSE\fR +is executed, or the client disconnects\&. +.SH "PARAMETERS" +.PP +\fIname\fR +.RS 4 +The name of an open cursor to close\&. +.RE +.PP +ALL +.RS 4 +Close all open cursors\&. +.RE +.SH "NOTES" +.PP +PostgreSQL +does not have an explicit +\fBOPEN\fR +cursor statement; a cursor is considered open when it is declared\&. Use the +\fBDECLARE\fR(7) +statement to declare a cursor\&. +.PP +You can see all available cursors by querying the +pg_cursors +system view\&. +.PP +If a cursor is closed after a savepoint which is later rolled back, the +\fBCLOSE\fR +is not rolled back; that is, the cursor remains closed\&. +.SH "EXAMPLES" +.PP +Close the cursor +liahona: +.sp +.if n \{\ +.RS 4 +.\} +.nf +CLOSE liahona; +.fi +.if n \{\ +.RE +.\} +.SH "COMPATIBILITY" +.PP +\fBCLOSE\fR +is fully conforming with the SQL standard\&. +\fBCLOSE ALL\fR +is a +PostgreSQL +extension\&. +.SH "SEE ALSO" +\fBDECLARE\fR(7), \fBFETCH\fR(7), \fBMOVE\fR(7) |