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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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Bruce Momjian 2004-08-24 11:09:44 +00:00
parent cda1bd6cfe
commit 4359ebed37
1 changed files with 9 additions and 2 deletions
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@ -5,7 +5,7 @@ TODO list for PostgreSQL
Bracketed items "[]" have more detail. Bracketed items "[]" have more detail.
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Mon Aug 23 17:56:39 EDT 2004 Last updated: Tue Aug 24 07:09:37 EDT 2004
The most recent version of this document can be viewed at the PostgreSQL web site, http://www.PostgreSQL.org. The most recent version of this document can be viewed at the PostgreSQL web site, http://www.PostgreSQL.org.
@ -557,7 +557,14 @@ Referential Integrity
memory. This could exhaust memory for very large trigger queues. memory. This could exhaust memory for very large trigger queues.
This item involves dumping large queues into files. This item involves dumping large queues into files.
* 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.
* Enforce referential integrity for system tables * Enforce referential integrity for system tables
* Change foreign key constraint for array -> element to mean element * Change foreign key constraint for array -> element to mean element
in array (?) in array (?)