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Implement CREATE TABLE LIKE ... INCLUDING INDEXES. Patch from NikhilS,

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based in part on an earlier patch from Trevor Hardcastle, and reviewed
by myself.
This commit is contained in:
Neil Conway
2007-07-17 05:02:03 +00:00
parent 77d27e43e5
commit 474774918b
15 changed files with 574 additions and 198 deletions
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13
doc/src/sgml/ref/create_table.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_table.sgml,v 1.108 2007/06/03 17:06:03 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/create_table.sgml,v 1.109 2007/07/17 05:02:00 neilc Exp $
PostgreSQL documentation
-->
@ -23,7 +23,7 @@ PostgreSQL documentation
CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } ] TABLE <replaceable class="PARAMETER">table_name</replaceable> ( [
{ <replaceable class="PARAMETER">column_name</replaceable> <replaceable class="PARAMETER">data_type</replaceable> [ DEFAULT <replaceable>default_expr</> ] [ <replaceable class="PARAMETER">column_constraint</replaceable> [ ... ] ]
| <replaceable>table_constraint</replaceable>
| LIKE <replaceable>parent_table</replaceable> [ { INCLUDING | EXCLUDING } { DEFAULTS | CONSTRAINTS } ] ... }
| LIKE <replaceable>parent_table</replaceable> [ { INCLUDING | EXCLUDING } { DEFAULTS | CONSTRAINTS | INDEXES } ] ... }
[, ... ]
] )
[ INHERITS ( <replaceable>parent_table</replaceable> [, ... ] ) ]
@ -237,7 +237,7 @@ and <replaceable class="PARAMETER">table_constraint</replaceable> is:
</varlistentry>
<varlistentry>
<term><literal>LIKE <replaceable>parent_table</replaceable> [ { INCLUDING | EXCLUDING } { DEFAULTS | CONSTRAINTS } ]</literal></term>
<term><literal>LIKE <replaceable>parent_table</replaceable> [ { INCLUDING | EXCLUDING } { DEFAULTS | CONSTRAINTS | INDEXES } ]</literal></term>
<listitem>
<para>
The <literal>LIKE</literal> clause specifies a table from which
@ -265,11 +265,16 @@ and <replaceable class="PARAMETER">table_constraint</replaceable> is:
column constraints and table constraints &mdash; when constraints are
requested, all check constraints are copied.
</para>
<para>
Any indexes on the original table will not be created on the new
table, unless the <literal>INCLUDING INDEXES</literal> clause is
specified.
</para>
<para>
Note also that unlike <literal>INHERITS</literal>, copied columns and
constraints are not merged with similarly named columns and constraints.
If the same name is specified explicitly or in another
<literal>LIKE</literal> clause an error is signalled.
<literal>LIKE</literal> clause, an error is signalled.
</para>
</listitem>
</varlistentry>