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Commit4359ebe

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< * Implement dirty reads or shared row locks and use them in RI triggers (?)> * Implement dirty reads or shared row locks and use them in RI triggers>> Adding shared locks requires recording the table/rows numbers in a> shared area, and this could potentially be a large amount of data.> One idea is to store the table/row numbers in a separate table and set> a bit on the row indicating looking in this new table is required to> find any shared row locks.>
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‎doc/TODO

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@@ -5,7 +5,7 @@ TODO list for PostgreSQL
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Bracketed items "[]" have more detail.
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Current maintainer:Bruce Momjian (pgman@candle.pha.pa.us)
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Last updated:Mon Aug23 17:56:39 EDT 2004
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Last updated:Tue Aug24 07:09:37 EDT 2004
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The most recent version of this document can be viewed at the PostgreSQL web site, http://www.PostgreSQL.org.
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@@ -557,7 +557,14 @@ Referential Integrity
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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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* Implement dirty reads or shared row locks and use them in RI triggers (?)
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* Implement dirty reads or shared row locks and use them in RI triggers
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Adding shared locks requires recording the table/rows numbers in a
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shared area, and this could potentially be a large amount of data.
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One idea is to store the table/row numbers in a separate table and set
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a bit on the row indicating looking in this new table is required to
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find any shared row locks.
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* Enforce referential integrity for system tables
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* Change foreign key constraint for array -> element to mean element
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in array (?)

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