Summary of Phrase option interactions

The three configuration settings for the Phrase module can be used in a variety of combinations for different effects.

The following matrix describes the behavior of each combination.
Subphrase Approximate Expansion Description
Off Off Off Default. Ranks results into two strata: those that match the user’s query as a whole phrase, and those that do not.
Off Off On Ranks results into two strata: those that match the original, or an extended version, of the query as a whole phrase, and those that do not.
Off On Off Ranks results into two strata: those that match the original query as a whole phrase, and those that do not. Look only at the first possible phrase match within each record.
Off On On Ranks results into two strata: those that match the original, or an extended version, of the query as a whole phrase, and those that do not. Look only at the first possible phrase match within each record.
On Off Off Ranks results into N strata where N equals the length of the query and each result’s score equals the length of its matched subphrase.
On Off On Ranks results into N strata where N equals the length of the query and each result’s score equals the length of its matched subphrase. Extend subphrases to facilitate matching but rank based on the length of the original subphrase (before extension). Note that this combination can have a negative performance impact on query throughput.
On On Off Ranks results into N strata where N equals the length of the query and each result’s score equals the length of its matched subphrase. Look only at the first possible phrase match within each record.
On On On Ranks results into N strata where N equals the length of the query and each result’s score equals the length of its matched subphrase. Expand the query to facilitate matching but rank based on the length of the original subphrase (before extension). Look only at the first possible phrase match within each record.
Note: You should only use one Phrase module in any given search interface and set all of your options in it.