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Commita558981

Browse files
author
Neil Conway
committed
Add ALTER VIEW ... RENAME TO, and a RENAME TO clause to ALTER SEQUENCE.
Sequences and views could previously be renamed using ALTER TABLE, butthis was a repeated source of confusion for users. Update the docs,and psql tab completion. Patch from David Fetter; various minor fixesby myself.
1 parenta1587e4 commita558981

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12 files changed

+184
-26
lines changed

12 files changed

+184
-26
lines changed

‎doc/src/sgml/ref/allfiles.sgml‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
<!--
2-
$PostgreSQL: pgsql/doc/src/sgml/ref/allfiles.sgml,v 1.70 2007/04/26 16:13:08 neilc Exp $
2+
$PostgreSQL: pgsql/doc/src/sgml/ref/allfiles.sgml,v 1.71 2007/07/03 01:30:35 neilc Exp $
33
PostgreSQL documentation
44
Complete list of usable sgml source files in this directory.
55
-->
@@ -25,6 +25,7 @@ Complete list of usable sgml source files in this directory.
2525
<!entity alterTrigger system "alter_trigger.sgml">
2626
<!entity alterType system "alter_type.sgml">
2727
<!entity alterUser system "alter_user.sgml">
28+
<!entity alterView system "alter_view.sgml">
2829
<!entity analyze system "analyze.sgml">
2930
<!entity begin system "begin.sgml">
3031
<!entity checkpoint system "checkpoint.sgml">

‎doc/src/sgml/ref/alter_sequence.sgml‎

Lines changed: 20 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
<!--
2-
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_sequence.sgml,v 1.16 2007/01/31 23:26:02 momjian Exp $
2+
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_sequence.sgml,v 1.17 2007/07/03 01:30:35 neilc Exp $
33
PostgreSQL documentation
44
-->
55

@@ -29,6 +29,7 @@ ALTER SEQUENCE <replaceable class="parameter">name</replaceable> [ INCREMENT [ B
2929
[ RESTART [ WITH ] <replaceable class="parameter">start</replaceable> ] [ CACHE <replaceable class="parameter">cache</replaceable> ] [ [ NO ] CYCLE ]
3030
[ OWNED BY { <replaceable class="parameter">table</replaceable>.<replaceable class="parameter">column</replaceable> | NONE } ]
3131
ALTER SEQUENCE <replaceable class="parameter">name</replaceable> SET SCHEMA <replaceable class="parameter">new_schema</replaceable>
32+
ALTER SEQUENCE <replaceable class="parameter">name</replaceable> RENAME TO <replaceable class="parameter">new_name</replaceable>
3233
</synopsis>
3334
</refsynopsisdiv>
3435

@@ -182,14 +183,24 @@ ALTER SEQUENCE <replaceable class="parameter">name</replaceable> SET SCHEMA <rep
182183
</listitem>
183184
</varlistentry>
184185

185-
<varlistentry>
186-
<term><replaceable class="parameter">new_schema</replaceable></term>
187-
<listitem>
188-
<para>
189-
The new schema for the sequence.
190-
</para>
191-
</listitem>
192-
</varlistentry>
186+
<varlistentry>
187+
<term><replaceable class="parameter">new_schema</replaceable></term>
188+
<listitem>
189+
<para>
190+
The new schema for the sequence.
191+
</para>
192+
</listitem>
193+
</varlistentry>
194+
195+
<varlistentry>
196+
<term><replaceable class="parameter">new_name</replaceable></term>
197+
<listitem>
198+
<para>
199+
The new name for the sequence.
200+
</para>
201+
</listitem>
202+
</varlistentry>
203+
193204
</variablelist>
194205
</para>
195206
</refsect1>

‎doc/src/sgml/ref/alter_view.sgml‎

Lines changed: 88 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,88 @@
1+
<!--
2+
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_view.sgml,v 1.1 2007/07/03 01:30:35 neilc Exp $
3+
PostgreSQL documentation
4+
-->
5+
6+
<refentry id="SQL-ALTERVIEW">
7+
<refmeta>
8+
<refentrytitle id="SQL-ALTERVIEW-TITLE">ALTER VIEW</refentrytitle>
9+
<refmiscinfo>SQL - Language Statements</refmiscinfo>
10+
</refmeta>
11+
12+
<refnamediv>
13+
<refname>ALTER VIEW</refname>
14+
<refpurpose>change the definition of a view</refpurpose>
15+
</refnamediv>
16+
17+
<indexterm zone="sql-alterview">
18+
<primary>ALTER VIEW</primary>
19+
</indexterm>
20+
21+
<refsynopsisdiv>
22+
<synopsis>
23+
ALTER VIEW <replaceable>name</replaceable> RENAME TO <replaceable>newname</replaceable>
24+
</synopsis>
25+
</refsynopsisdiv>
26+
27+
<refsect1>
28+
<title>Description</title>
29+
30+
<para>
31+
<command>ALTER VIEW</command> changes the definition of a
32+
view. To execute this command you must be the owner of the view.
33+
</para>
34+
</refsect1>
35+
36+
<refsect1>
37+
<title>Parameters</title>
38+
39+
<variablelist>
40+
<varlistentry>
41+
<term><replaceable class="parameter">name</replaceable></term>
42+
<listitem>
43+
<para>
44+
The name (optionally schema-qualified) of an existing view.
45+
</para>
46+
</listitem>
47+
</varlistentry>
48+
49+
<varlistentry>
50+
<term><replaceable class="parameter">newname</replaceable></term>
51+
<listitem>
52+
<para>
53+
The new name of the view.
54+
</para>
55+
</listitem>
56+
</varlistentry>
57+
</variablelist>
58+
</refsect1>
59+
60+
<refsect1>
61+
<title>Examples</title>
62+
63+
<para>
64+
To rename the view <literal>foo</literal> to
65+
<literal>bar</literal>:
66+
<programlisting>
67+
ALTER VIEW foo RENAME TO bar;
68+
</programlisting>
69+
</para>
70+
71+
<refsect1>
72+
<title>Compatibility</title>
73+
74+
<para>
75+
<command>ALTER VIEW</command> is a <productname>PostgreSQL</>
76+
extension of the SQL standard.
77+
</para>
78+
</refsect1>
79+
80+
<refsect1>
81+
<title>See Also</title>
82+
83+
<simplelist type="inline">
84+
<member><xref linkend="sql-createview" endterm="sql-createview-title"></member>
85+
<member><xref linkend="sql-dropview" endterm="sql-dropview-title"></member>
86+
</simplelist>
87+
</refsect1>
88+
</refentry>

‎doc/src/sgml/ref/create_view.sgml‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
<!--
2-
$PostgreSQL: pgsql/doc/src/sgml/ref/create_view.sgml,v 1.35 2007/02/01 00:28:18 momjian Exp $
2+
$PostgreSQL: pgsql/doc/src/sgml/ref/create_view.sgml,v 1.36 2007/07/03 01:30:35 neilc Exp $
33
PostgreSQL documentation
44
-->
55

@@ -226,6 +226,7 @@ CREATE VIEW <replaceable class="parameter">name</replaceable> [ ( <replaceable c
226226
<title>See Also</title>
227227

228228
<simplelist type="inline">
229+
<member><xref linkend="sql-alterview" endterm="sql-alterview-title"></member>
229230
<member><xref linkend="sql-dropview" endterm="sql-dropview-title"></member>
230231
</simplelist>
231232
</refsect1>

‎doc/src/sgml/ref/drop_view.sgml‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
<!--
2-
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_view.sgml,v 1.23 2006/09/16 00:30:18 momjian Exp $
2+
$PostgreSQL: pgsql/doc/src/sgml/ref/drop_view.sgml,v 1.24 2007/07/03 01:30:35 neilc Exp $
33
PostgreSQL documentation
44
-->
55

@@ -104,6 +104,7 @@ DROP VIEW kinds;
104104
<title>See Also</title>
105105

106106
<simplelist type="inline">
107+
<member><xref linkend="sql-alterview" endterm="sql-alterview-title"></member>
107108
<member><xref linkend="sql-createview" endterm="sql-createview-title"></member>
108109
</simplelist>
109110
</refsect1>

‎doc/src/sgml/reference.sgml‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
<!-- $PostgreSQL: pgsql/doc/src/sgml/reference.sgml,v 1.63 2007/04/26 16:13:08 neilc Exp $ -->
1+
<!-- $PostgreSQL: pgsql/doc/src/sgml/reference.sgml,v 1.64 2007/07/03 01:30:35 neilc Exp $ -->
22

33
<part id="reference">
44
<title>Reference</title>
@@ -53,6 +53,7 @@
5353
&alterTrigger;
5454
&alterType;
5555
&alterUser;
56+
&alterView;
5657
&analyze;
5758
&begin;
5859
&checkpoint;

‎src/backend/commands/alter.c‎

Lines changed: 6 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $PostgreSQL: pgsql/src/backend/commands/alter.c,v 1.23 2007/03/26 16:58:38 tgl Exp $
11+
* $PostgreSQL: pgsql/src/backend/commands/alter.c,v 1.24 2007/07/03 01:30:36 neilc Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -83,6 +83,8 @@ ExecRenameStmt(RenameStmt *stmt)
8383
break;
8484

8585
caseOBJECT_TABLE:
86+
caseOBJECT_SEQUENCE:
87+
caseOBJECT_VIEW:
8688
caseOBJECT_INDEX:
8789
caseOBJECT_COLUMN:
8890
caseOBJECT_TRIGGER:
@@ -96,6 +98,8 @@ ExecRenameStmt(RenameStmt *stmt)
9698
switch (stmt->renameType)
9799
{
98100
caseOBJECT_TABLE:
101+
caseOBJECT_SEQUENCE:
102+
caseOBJECT_VIEW:
99103
caseOBJECT_INDEX:
100104
{
101105
/*
@@ -113,7 +117,7 @@ ExecRenameStmt(RenameStmt *stmt)
113117
aclcheck_error(aclresult,ACL_KIND_NAMESPACE,
114118
get_namespace_name(namespaceId));
115119

116-
renamerel(relid,stmt->newname);
120+
renamerel(relid,stmt->newname,stmt->renameType);
117121
break;
118122
}
119123
caseOBJECT_COLUMN:

‎src/backend/commands/tablecmds.c‎

Lines changed: 22 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.228 2007/06/23 22:12:50 tgl Exp $
11+
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.229 2007/07/03 01:30:36 neilc Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -41,6 +41,7 @@
4141
#include"executor/executor.h"
4242
#include"miscadmin.h"
4343
#include"nodes/makefuncs.h"
44+
#include"nodes/parsenodes.h"
4445
#include"optimizer/clauses.h"
4546
#include"optimizer/plancat.h"
4647
#include"optimizer/prep.h"
@@ -1621,7 +1622,7 @@ renameatt(Oid myrelid,
16211622
* sequence, AFAIK there's no need for it to be there.
16221623
*/
16231624
void
1624-
renamerel(Oidmyrelid,constchar*newrelname)
1625+
renamerel(Oidmyrelid,constchar*newrelname,ObjectTypereltype)
16251626
{
16261627
Relationtargetrelation;
16271628
Relationrelrelation;/* for RELATION relation */
@@ -1633,8 +1634,8 @@ renamerel(Oid myrelid, const char *newrelname)
16331634
boolrelhastriggers;
16341635

16351636
/*
1636-
* Grab an exclusive lock on the target table orindex,which we will NOT
1637-
* release until end of transaction.
1637+
* Grab an exclusive lock on the target table,index,sequence or
1638+
*view, which we will NOTrelease until end of transaction.
16381639
*/
16391640
targetrelation=relation_open(myrelid,AccessExclusiveLock);
16401641

@@ -1647,7 +1648,24 @@ renamerel(Oid myrelid, const char *newrelname)
16471648
errmsg("permission denied: \"%s\" is a system catalog",
16481649
RelationGetRelationName(targetrelation))));
16491650

1651+
/*
1652+
* For compatibility with prior releases, we don't complain if
1653+
* ALTER TABLE or ALTER INDEX is used to rename a sequence or
1654+
* view.
1655+
*/
16501656
relkind=targetrelation->rd_rel->relkind;
1657+
if (reltype==OBJECT_SEQUENCE&&relkind!='S')
1658+
ereport(ERROR,
1659+
(errcode(ERRCODE_WRONG_OBJECT_TYPE),
1660+
errmsg("\"%s\" is not a sequence",
1661+
RelationGetRelationName(targetrelation))));
1662+
1663+
if (reltype==OBJECT_VIEW&&relkind!='v')
1664+
ereport(ERROR,
1665+
(errcode(ERRCODE_WRONG_OBJECT_TYPE),
1666+
errmsg("\"%s\" is not a view",
1667+
RelationGetRelationName(targetrelation))));
1668+
16511669
relhastriggers= (targetrelation->rd_rel->reltriggers>0);
16521670

16531671
/*

‎src/backend/parser/gram.y‎

Lines changed: 19 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -11,7 +11,7 @@
1111
*
1212
*
1313
* IDENTIFICATION
14-
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.596 2007/06/23 22:12:51 tgl Exp $
14+
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.597 2007/07/03 01:30:36 neilc Exp $
1515
*
1616
* HISTORY
1717
* AUTHORDATEMAJOR EVENT
@@ -4546,6 +4546,24 @@ RenameStmt: ALTER AGGREGATE func_name aggr_args RENAME TO name
45464546
n->newname =$6;
45474547
$$ = (Node *)n;
45484548
}
4549+
| ALTER SEQUENCE relation_expr RENAME TO name
4550+
{
4551+
RenameStmt *n = makeNode(RenameStmt);
4552+
n->renameType = OBJECT_SEQUENCE;
4553+
n->relation =$3;
4554+
n->subname =NULL;
4555+
n->newname =$6;
4556+
$$ = (Node *)n;
4557+
}
4558+
| ALTER VIEW relation_expr RENAME TO name
4559+
{
4560+
RenameStmt *n = makeNode(RenameStmt);
4561+
n->renameType = OBJECT_VIEW;
4562+
n->relation =$3;
4563+
n->subname =NULL;
4564+
n->newname =$6;
4565+
$$ = (Node *)n;
4566+
}
45494567
| ALTER INDEX relation_expr RENAME TO name
45504568
{
45514569
RenameStmt *n = makeNode(RenameStmt);

‎src/backend/tcop/utility.c‎

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -10,7 +10,7 @@
1010
*
1111
*
1212
* IDENTIFICATION
13-
* $PostgreSQL: pgsql/src/backend/tcop/utility.c,v 1.282 2007/06/28 00:02:39 tgl Exp $
13+
* $PostgreSQL: pgsql/src/backend/tcop/utility.c,v 1.283 2007/07/03 01:30:37 neilc Exp $
1414
*
1515
*-------------------------------------------------------------------------
1616
*/
@@ -1574,6 +1574,9 @@ CreateCommandTag(Node *parsetree)
15741574
caseOBJECT_SCHEMA:
15751575
tag="ALTER SCHEMA";
15761576
break;
1577+
caseOBJECT_SEQUENCE:
1578+
tag="ALTER SEQUENCE";
1579+
break;
15771580
caseOBJECT_COLUMN:
15781581
caseOBJECT_TABLE:
15791582
tag="ALTER TABLE";
@@ -1584,6 +1587,9 @@ CreateCommandTag(Node *parsetree)
15841587
caseOBJECT_TRIGGER:
15851588
tag="ALTER TRIGGER";
15861589
break;
1590+
caseOBJECT_VIEW:
1591+
tag="ALTER VIEW";
1592+
break;
15871593
default:
15881594
tag="???";
15891595
break;

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