> * -Implement shared row locks and use them in RI triggers
This commit is contained in:
Bruce Momjian 2005-04-29 05:03:02 +00:00
parent bedb78d386
commit daec16d0ba
2 changed files with 4 additions and 17 deletions

View File

@ -2,7 +2,7 @@
PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Mon Apr 25 11:35:24 EDT 2005
Last updated: Fri Apr 29 01:02:49 EDT 2005
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
@ -603,14 +603,7 @@ Referential Integrity
memory. This could exhaust memory for very large trigger queues.
This item involves dumping large queues into files.
* 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.
* -Implement shared row locks and use them in RI triggers
* Enforce referential integrity for system tables
* Change foreign key constraint for array -> element to mean element
in array (?)

View File

@ -8,7 +8,7 @@
<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
<h1><a name="section_1">PostgreSQL TODO List</a></h1>
<p>Current maintainer: Bruce Momjian (<a href="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/>
Last updated: Mon Apr 25 11:35:24 EDT 2005
Last updated: Fri Apr 29 01:02:49 EDT 2005
</p>
<p>The most recent version of this document can be viewed at<br/>
<a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
@ -557,13 +557,7 @@ first.
memory. This could exhaust memory for very large trigger queues.
This item involves dumping large queues into files.
</p>
</li><li>Implement dirty reads or shared row locks and use them in RI triggers
<p> 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.
</p>
</li><li>-Implement shared row locks and use them in RI triggers
</li><li>Enforce referential integrity for system tables
</li><li>Change foreign key constraint for array -&gt; element to mean element
in array (?)