Re: [HACKERS] portals vs. memory contexts

> portalmem.c:
> 
>  *                      Node
>  *                      |
>  *              MemoryContext___
>  *              /               \
>  *      GlobalMemory    PortalMemoryContext
>  *                      /               \
>  *      PortalVariableMemory    PortalHeapMemory
>  *
>  *                      Flushed at      Flushed at      Checkpoints
>  *                      Transaction     Portal
>  *                      Commit          Close
>  *
>  * GlobalMemory                 n               n               n
>  * PortalVariableMemory         n               y               n
>  * PortalHeapMemory             y               y               y *

Yes, I saw that.  Is that the only difference?

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