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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:17:33 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:17:33 +0000 |
commit | 5e45211a64149b3c659b90ff2de6fa982a5a93ed (patch) | |
tree | 739caf8c461053357daa9f162bef34516c7bf452 /doc/src/sgml/man7/ALTER_TRIGGER.7 | |
parent | Initial commit. (diff) | |
download | postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.tar.xz postgresql-15-5e45211a64149b3c659b90ff2de6fa982a5a93ed.zip |
Adding upstream version 15.5.upstream/15.5
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'doc/src/sgml/man7/ALTER_TRIGGER.7')
-rw-r--r-- | doc/src/sgml/man7/ALTER_TRIGGER.7 | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/doc/src/sgml/man7/ALTER_TRIGGER.7 b/doc/src/sgml/man7/ALTER_TRIGGER.7 new file mode 100644 index 0000000..1e9840d --- /dev/null +++ b/doc/src/sgml/man7/ALTER_TRIGGER.7 @@ -0,0 +1,114 @@ +'\" t +.\" Title: ALTER TRIGGER +.\" 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 "ALTER TRIGGER" "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" +ALTER_TRIGGER \- change the definition of a trigger +.SH "SYNOPSIS" +.sp +.nf +ALTER TRIGGER \fIname\fR ON \fItable_name\fR RENAME TO \fInew_name\fR +ALTER TRIGGER \fIname\fR ON \fItable_name\fR [ NO ] DEPENDS ON EXTENSION \fIextension_name\fR +.fi +.SH "DESCRIPTION" +.PP +\fBALTER TRIGGER\fR +changes properties of an existing trigger\&. +.PP +The +RENAME +clause changes the name of the given trigger without otherwise changing the trigger definition\&. If the table that the trigger is on is a partitioned table, then corresponding clone triggers in the partitions are renamed too\&. +.PP +The +DEPENDS ON EXTENSION +clause marks the trigger as dependent on an extension, such that if the extension is dropped, the trigger will automatically be dropped as well\&. +.PP +You must own the table on which the trigger acts to be allowed to change its properties\&. +.SH "PARAMETERS" +.PP +\fIname\fR +.RS 4 +The name of an existing trigger to alter\&. +.RE +.PP +\fItable_name\fR +.RS 4 +The name of the table on which this trigger acts\&. +.RE +.PP +\fInew_name\fR +.RS 4 +The new name for the trigger\&. +.RE +.PP +\fIextension_name\fR +.RS 4 +The name of the extension that the trigger is to depend on (or no longer dependent on, if +NO +is specified)\&. A trigger that\*(Aqs marked as dependent on an extension is automatically dropped when the extension is dropped\&. +.RE +.SH "NOTES" +.PP +The ability to temporarily enable or disable a trigger is provided by +\fBALTER TABLE\fR, not by +\fBALTER TRIGGER\fR, because +\fBALTER TRIGGER\fR +has no convenient way to express the option of enabling or disabling all of a table\*(Aqs triggers at once\&. +.SH "EXAMPLES" +.PP +To rename an existing trigger: +.sp +.if n \{\ +.RS 4 +.\} +.nf +ALTER TRIGGER emp_stamp ON emp RENAME TO emp_track_chgs; +.fi +.if n \{\ +.RE +.\} +.PP +To mark a trigger as being dependent on an extension: +.sp +.if n \{\ +.RS 4 +.\} +.nf +ALTER TRIGGER emp_stamp ON emp DEPENDS ON EXTENSION emplib; +.fi +.if n \{\ +.RE +.\} +.SH "COMPATIBILITY" +.PP +\fBALTER TRIGGER\fR +is a +PostgreSQL +extension of the SQL standard\&. +.SH "SEE ALSO" +ALTER TABLE (\fBALTER_TABLE\fR(7)) |