Schema of restrict function and Restrict function
The restriction selectivity estimator function for this operator.
Schema of join function and Join function
The join selectivity estimator function for this operator.
Schema of commutator and Commutator
The commutator of this operator.
Schema of negator and Negator
The negator of this operator.
Hash
The operator can support a hash join if this option on.
Merge
The operator can support a merge join if this option on.
Additional information for PostgreSQL version below 8.3
Schema of left sort operator and Left sort operator
If this operator can support a merge join, the left sort operator that sorts the left-hand data type of this operator.Schema of right sort operator and Right sort operator
If this operator can support a merge join, the right sort operator that sorts the right-hand data type of this operator.Schema of less than operator and Less than operator
If this operator can support a merge join, the less-than operator that compares the input data types of this operator.Schema of greater than operator and Greater than operator
If this operator can support a merge join, the greater-than operator that compares the input data types of this operator.