>
> 3. Partitions are RelFileNodes, but not Tables
>
> We allow a table to have multiple RelFileNodes, when explicitly declared
> that way.
>
> This means we have to change
> - DDL changes to allow TABLE level changes to apply to all RelFileNodes,
> while PARTITION level changes to apply to only one RelFileNode
> - indexes, so they can refer to more than one partition
> - share locking in the executor
> - changes to allow synchronous scans and buffer recycling
>
> There *are* other changes not mentioned here that are required for
> partitioning, which although complex are less doubtful.
>
It can be used for global temporary tables with some modification
table defines structure and partitions defines contents for sessions.
Regards
Pavel Stehule
> Simon Riggs
> 2ndQuadrant http://www.2ndQuadrant.com
>
>
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