Merge rename name page into alter table. Fix UNION with DISTINCT

or ORDER BY bug.

1 files changed, 0 insertions, 63 deletions

diff --git a/src/man/rename.l b/src/man/rename.l
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-.\" This is -*-nroff-*-
-.\" XXX standard disclaimer belongs here....
-.\" $Header: /cvsroot/pgsql/src/man/Attic/rename.l,v 1.3 1998/01/11 22:17:55 momjian Exp $
-.TH RENAME SQL 02/08/94 PostgreSQL PostgreSQL
-.SH NAME
-rename - rename a class or an attribute in a class
-.SH SYNOPSIS
-.nf
-\fBalter table\fR classname1
-        \fBrename to\fR classname2
-\fBalter table\fR classname1 [\fB*\fR]
-        \fBrename [column]\fR attname1 \fBto\fR attname2
-.fi
-.SH DESCRIPTION
-The
-.BR rename
-command
-causes the name of a class or attribute to change without changing any
-of the data contained in the affected class.  Thus, the class or
-attribute will remain of the same type and size after this command is
-executed.
-.PP
-In order to rename an attribute in each class in an entire inheritance
-hierarchy, use the 
-.IR classname
-of the superclass and append a \*(lq*\*(rq.  (By default, the attribute
-will not be renamed in any of the subclasses.)  This should
-.BR always
-be done when changing an attribute name in a superclass.  If it is
-not, queries on the inheritance hierarchy such as
-.nf
-select * from super* s
-.fi
-will not work because the subclasses will be (in effect) missing an
-attribute found in the superclass.
-.PP
-You must own the class being modified in order to rename it or part of
-its schema.  Renaming any part of the schema of a system catalog is
-not permitted.
-.SH EXAMPLE
-.nf
---
--- change the emp class to personnel
---
-alter table emp rename to personnel
-.fi
-.nf
---
--- change the sports attribute to hobbies
---
-alter table emp rename column sports to hobbies
-.fi
-.nf
---
--- make a change to an inherited attribute
---
-alter table person * rename column last_name to family_name
-.fi
-.SH BUGS
-Execution of historical queries using classes and attributes whose
-names have changed will produce incorrect results in many situations.
-.PP
-Renaming of types, operators, rules, etc., should also be supported.