Return iff left satisfied, but use weights from both.
Constant
OP_AND_NOT
constant OP_AND_NOT
Description
Return if left but not right satisfied.
Constant
OP_ELITE_SET
constant OP_ELITE_SET
Description
Select an elite set from the subqueries, and perform a query with
these combined as an OR query.
Constant
OP_FILTER
constant OP_FILTER
Description
As AND, but use only weights from left subquery.
Constant
OP_NEAR
constant OP_NEAR
Description
Find occurrences of a list of terms with all the terms occurring
within a specified window of positions.
Each occurrence of a term must be at a different position, but the
order they appear in is irrelevant.
The window parameter should be specified for this operation, but will
default to the number of terms in the list.
Constant
OP_OR
constant OP_OR
Description
Return if either subquery is satisfied.
Constant
OP_PHRASE
constant OP_PHRASE
Description
Find occurrences of a list of terms with all the terms occurring
within a specified window of positions, and all the terms appearing
in the order specified.
Each occurrence of a term must be at a different position.
The window parameter should be specified for this operation, but will
default to the number of terms in the list.
Constant
OP_SCALE_WEIGHT
constant OP_SCALE_WEIGHT
Description
Scale the weight of a subquery by the specified factor.
A factor of 0 means this subquery will contribute no weight to the
query - it will act as a purely boolean subquery.
If the factor is negative, an error will be
thrown.