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TITLE="System Catalogs"
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>PostgreSQL 9.1beta1 Documentation</A
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HREF="catalog-pg-opfamily.html"
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TITLE="System Catalogs"
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>Chapter 45. System Catalogs</TD
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TITLE="System Catalogs"
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HREF="catalog-pg-proc.html"
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NAME="CATALOG-PG-PLTEMPLATE"
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> information for procedural languages.
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A template for a language allows the language to be created in a
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particular database by a simple <TT
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with no need to specify implementation details.
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> Unlike most system catalogs, <TT
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is shared across all databases of a cluster: there is only one
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one per database. This allows the information to be accessible in
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each database as it is needed.
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><COL><COL><COL><THEAD
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>Name of the language this template is for</TD
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>True if language is considered trusted</TD
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>True if language may be created by a database owner</TD
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>Name of call handler function</TD
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>Name of anonymous-block handler function, or null if none</TD
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>Name of validator function, or null if none</TD
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>Path of shared library that implements language</TD
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>Access privileges for template (not actually used)</TD
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> There are not currently any commands that manipulate procedural language
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templates; to change the built-in information, a superuser must modify
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the table using ordinary <TT
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> It is likely that <TT
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> will be removed in some
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future release of <SPAN
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keeping this knowledge about procedural languages in their respective
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extension installation scripts.
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