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Support arrays of composite types, including the rowtypes of regular tables

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and views (but not system catalogs, nor sequences or toast tables).  Get rid
of the hardwired convention that a type's array type is named exactly "_type",
instead using a new column pg_type.typarray to provide the linkage.  (It still
will be named "_type", though, except in odd corner cases such as
maximum-length type names.)

Along the way, make tracking of owner and schema dependencies for types more
uniform: a type directly created by the user has these dependencies, while a
table rowtype or auto-generated array type does not have them, but depends on
its parent object instead.

David Fetter, Andrew Dunstan, Tom Lane
This commit is contained in:
Tom Lane
2007-05-11 17:57:14 +00:00
parent b1110aaa8b
commit bc8036fc66
25 changed files with 698 additions and 407 deletions
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7
doc/src/sgml/array.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/array.sgml,v 1.60 2007/04/06 19:22:38 tgl Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/array.sgml,v 1.61 2007/05/11 17:57:11 tgl Exp $ -->
<sect1 id="arrays">
<title>Arrays</title>
@ -10,8 +10,9 @@
<para>
<productname>PostgreSQL</productname> allows columns of a table to be
defined as variable-length multidimensional arrays. Arrays of any
built-in or user-defined base type or enum type can be created.
(Arrays of composite types or domains are not yet supported, however.)
built-in or user-defined base type, enum type, or composite type
can be created.
Arrays of domains are not yet supported.
</para>
<sect2>