IBM Books

HSJOIN

For the HSJOIN operator, the following input arguments are shown:

Early out
A flag that is true if only one inner row matching outer row is needed ("early out").

Outer join type
A flag indicating which type of outer join this NLJOIN operator is performing:

Join predicates
The join predicates upon which the join is performed.

Bit filter
A flag that is true if a bit filter is used to enhance hash join performance.

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