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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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>Server Programming</TITLE
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CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
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HREF="mailto:pgsql-docs@postgresql.org"><LINK
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TITLE="PostgreSQL 9.1beta1 Documentation"
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HREF="index.html"><LINK
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HREF="infoschema-views.html"><LINK
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HREF="extend.html"><LINK
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HREF="stylesheet.css"><META
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HTTP-EQUIV="Content-Type"
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CONTENT="text/html; charset=ISO-8859-1"><META
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CONTENT="2011-04-27T21:20:33"></HEAD
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SUMMARY="Header navigation table"
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>PostgreSQL 9.1beta1 Documentation</A
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HREF="infoschema-views.html"
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TITLE="Client Interfaces"
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HREF="client-interfaces.html"
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NAME="SERVER-PROGRAMMING"
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>V. Server Programming</H1
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> This part is about extending the server functionality with
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user-defined functions, data types, triggers, etc. These are
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advanced topics which should probably be approached only after all
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the other user documentation about <SPAN
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been understood. Later chapters in this part describe the server-side
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programming languages available in the
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> distribution as well as
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general issues concerning server-side programming languages. It
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is essential to read at least the earlier sections of <A
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> (covering functions) before diving into the
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material about server-side programming languages.
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>Table of Contents</B
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HREF="extend-how.html"
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>How Extensibility Works</A
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HREF="extend-type-system.html"
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>User-defined Functions</A
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HREF="xfunc-sql.html"
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>Query Language (<ACRONYM
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HREF="xfunc-overload.html"
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>Function Overloading</A
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HREF="xfunc-volatility.html"
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>Function Volatility Categories</A
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>Procedural Language Functions</A
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HREF="xfunc-internal.html"
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>Internal Functions</A
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>C-Language Functions</A
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>User-defined Aggregates</A
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>User-defined Types</A
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>User-defined Operators</A
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HREF="xoper-optimization.html"
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>Operator Optimization Information</A
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>Interfacing Extensions To Indexes</A
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HREF="extend-extensions.html"
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>Packaging Related Objects into an Extension</A
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HREF="extend-pgxs.html"
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>Extension Building Infrastructure</A
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HREF="trigger-definition.html"
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>Overview of Trigger Behavior</A
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HREF="trigger-datachanges.html"
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>Visibility of Data Changes</A
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HREF="trigger-interface.html"
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>Writing Trigger Functions in C</A
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HREF="trigger-example.html"
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>A Complete Trigger Example</A
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HREF="querytree.html"
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HREF="rules-views.html"
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>Views and the Rule System</A
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HREF="rules-update.html"
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HREF="rules-privileges.html"
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>Rules and Privileges</A
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HREF="rules-status.html"
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>Rules and Command Status</A
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HREF="rules-triggers.html"
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>Rules Versus Triggers</A
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>Procedural Languages</A
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HREF="xplang-install.html"
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>Installing Procedural Languages</A
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> Procedural Language</A
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HREF="plpgsql-overview.html"
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HREF="plpgsql-structure.html"
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HREF="plpgsql-declarations.html"
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HREF="plpgsql-expressions.html"
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HREF="plpgsql-statements.html"
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HREF="plpgsql-control-structures.html"
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>Control Structures</A
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HREF="plpgsql-cursors.html"
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HREF="plpgsql-errors-and-messages.html"
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>Errors and Messages</A
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HREF="plpgsql-trigger.html"
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>Trigger Procedures</A
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HREF="plpgsql-implementation.html"
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HREF="plpgsql-development-tips.html"
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>Tips for Developing in <SPAN
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HREF="plpgsql-porting.html"
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>PL/Tcl - Tcl Procedural Language</A
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HREF="pltcl-overview.html"
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HREF="pltcl-functions.html"
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>PL/Tcl Functions and Arguments</A
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HREF="pltcl-data.html"
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>Data Values in PL/Tcl</A
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HREF="pltcl-global.html"
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>Global Data in PL/Tcl</A
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HREF="pltcl-dbaccess.html"
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>Database Access from PL/Tcl</A
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HREF="pltcl-trigger.html"
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>Trigger Procedures in PL/Tcl</A
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HREF="pltcl-unknown.html"
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>Modules and the <CODE
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HREF="pltcl-procnames.html"
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>Tcl Procedure Names</A
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>PL/Perl - Perl Procedural Language</A
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HREF="plperl-funcs.html"
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>PL/Perl Functions and Arguments</A
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HREF="plperl-data.html"
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>Data Values in PL/Perl</A
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HREF="plperl-builtins.html"
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>Built-in Functions</A
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HREF="plperl-global.html"
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>Global Values in PL/Perl</A
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HREF="plperl-trusted.html"
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>Trusted and Untrusted PL/Perl</A
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HREF="plperl-triggers.html"
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HREF="plperl-under-the-hood.html"
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>PL/Perl Under the Hood</A
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>PL/Python - Python Procedural Language</A
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HREF="plpython-python23.html"
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>Python 2 vs. Python 3</A
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HREF="plpython-funcs.html"
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>PL/Python Functions</A
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HREF="plpython-data.html"
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HREF="plpython-sharing.html"
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HREF="plpython-do.html"
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>Anonymous Code Blocks</A
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HREF="plpython-trigger.html"
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>Trigger Functions</A
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HREF="plpython-database.html"
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HREF="plpython-subtransaction.html"
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>Explicit Subtransactions</A
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HREF="plpython-util.html"
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>Utility Functions</A
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HREF="plpython-envar.html"
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>Environment Variables</A
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>Server Programming Interface</A
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HREF="spi-interface.html"
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>Interface Functions</A
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HREF="spi-interface-support.html"
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>Interface Support Functions</A
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HREF="spi-memory.html"
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>Memory Management</A
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HREF="spi-visibility.html"
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>Visibility of Data Changes</A
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HREF="spi-examples.html"
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SUMMARY="Footer navigation table"
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HREF="infoschema-views.html"
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