Rick Apichairuk <rapichai@xxxxxxxxx> writes:
> This is confusing because the requested size is both higher than
> SHMMIN and lower than SHMMAX as you can see below:
SHMALL is the other limit that might cause this failure.
regards, tom lane
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
