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Allow ALTER TABLE name {OF type | NOT OF}.

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This syntax allows a standalone table to be made into a typed table,
or a typed table to be made standalone.  This is possibly a mildly
useful feature in its own right, but the real motivation for this
change is that we need it to make pg_upgrade work with typed tables.
This doesn't actually fix that problem, but it's necessary
infrastructure.

Noah Misch
This commit is contained in:
Robert Haas
2011-04-20 21:35:15 -04:00
parent 520bcd9c9b
commit 68739ba856
8 changed files with 376 additions and 38 deletions
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26
doc/src/sgml/ref/alter_table.sgml
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@ -63,6 +63,8 @@ ALTER TABLE <replaceable class="PARAMETER">name</replaceable>
RESET ( <replaceable class="PARAMETER">storage_parameter</replaceable> [, ... ] )
INHERIT <replaceable class="PARAMETER">parent_table</replaceable>
NO INHERIT <replaceable class="PARAMETER">parent_table</replaceable>
OF <replaceable class="PARAMETER">type_name</replaceable>
NOT OF
OWNER TO <replaceable class="PARAMETER">new_owner</replaceable>
SET TABLESPACE <replaceable class="PARAMETER">new_tablespace</replaceable>
@ -490,6 +492,30 @@ ALTER TABLE <replaceable class="PARAMETER">name</replaceable>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>OF <replaceable class="PARAMETER">type_name</replaceable></literal></term>
<listitem>
<para>
This form links the table to a composite type as though <command>CREATE
TABLE OF</> had formed it. The table's list of column names and types
must precisely match that of the composite type; the presence of
an <literal>oid</> system column is permitted to differ. The table must
not inherit from any other table. These restrictions ensure
that <command>CREATE TABLE OF</> would permit an equivalent table
definition.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>NOT OF</literal></term>
<listitem>
<para>
This form dissociates a typed table from its type.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>OWNER</literal></term>
<listitem>