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Commit74d0cf3

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Make "trigger" section:
> * Referential Integrity>> o Add MATCH PARTIAL referential integrity> o Change foreign key constraint for array -> element to mean element> in array?> o Enforce referential integrity for system tables>>< Referential Integrity< =====================<< * Add MATCH PARTIAL referential integrity> Triggers> ========< * Change foreign key constraint for array -> element to mean element< in array?801d804< * Enforce referential integrity for system tables
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‎doc/TODO

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PostgreSQL TODO List
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====================
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Current maintainer:Bruce Momjian (pgman@candle.pha.pa.us)
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Last updated:Wed May17 22:32:10 EDT 2006
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Last updated:Mon May22 16:39:01 EDT 2006
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The most recent version of this document can be viewed at
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http://www.postgresql.org/docs/faqs.TODO.html.
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This is basically the same as SET search_path.
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* Referential Integrity
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o Add MATCH PARTIAL referential integrity
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o Change foreign key constraint for array -> element to mean element
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in array?
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o Enforce referential integrity for system tables
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* Server-Side Languages
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o Fix PL/pgSQL RENAME to work on variables other than OLD/NEW
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non-E strings are used
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Referential Integrity
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=====================
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* Add MATCH PARTIAL referential integrity
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Triggers
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========
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* Add deferred trigger queue file
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Right now all deferred trigger information is stored in backend
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memory. This could exhaust memory for very large trigger queues.
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This item involves dumping large queues into files.
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* Change foreign key constraint for array -> element to mean element
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in array?
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* Allow DEFERRABLE UNIQUE constraints?
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* Allow triggers to be disabled in only the current session.
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* Allow statement-level triggers to access modified rows
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* Support triggers on columns (Greg Sabino Mullane)
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* Enforce referential integrity for system tables
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* Allow AFTER triggers on system tables
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System tables are modified in many places in the backend without going

‎doc/src/FAQ/TODO.html

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<bodybgcolor="#FFFFFF"text="#000000"link="#FF0000"vlink="#A00000"alink="#0000FF">
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<h1><aname="section_1">PostgreSQL TODO List</a></h1>
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<p>Current maintainer: Bruce Momjian (<ahref="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/>
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Last updated:Wed May17 22:32:10 EDT 2006
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Last updated:Mon May22 16:39:01 EDT 2006
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</p>
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<p>The most recent version of this document can be viewed at<br/>
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<ahref="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
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<p> This is basically the same as SET search_path.
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</p>
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</li></ul>
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</li><li>Referential Integrity
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<ul>
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<li>Add MATCH PARTIAL referential integrity
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</li><li>Change foreign key constraint for array -&gt; element to mean element
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in array?
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</li><li>Enforce referential integrity for system tables
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</li></ul>
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</li><li>Server-Side Languages
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<ul>
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<li>Fix PL/pgSQL RENAME to work on variables other than OLD/NEW
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non-E strings are used
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</li></ul>
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</li></ul>
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<h1><aname="section_10">Referential Integrity</a></h1>
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<h1><aname="section_10">Triggers</a></h1>
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<ul>
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<li>Add MATCH PARTIAL referential integrity
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</li><li>Add deferred trigger queue file
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<li>Add deferred trigger queue file
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<p> Right now all deferred trigger information is stored in backend
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memory. This could exhaust memory for very large trigger queues.
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This item involves dumping large queues into files.
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</p>
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</li><li>Change foreign key constraint for array -&gt; element to mean element
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in array?
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</li><li>Allow DEFERRABLE UNIQUE constraints?
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</li><li>Allow triggers to be disabled in only the current session.
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<p> This is currently possible by starting a multi-statement transaction,
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</p>
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</li><li>Allow statement-level triggers to access modified rows
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</li><li>Support triggers on columns (Greg Sabino Mullane)
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</li><li>Enforce referential integrity for system tables
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</li><li>Allow AFTER triggers on system tables
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<p> System tables are modified in many places in the backend without going
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through the executor and therefore not causing triggers to fire. To

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