DSL Query Framework

Hyperspace supports the following commands in a DSL queries

Boolean Queries

• 'filter' clause

• 'must' clause

• 'must_not' clause

• 'should' clause

• 'should_not' clause

Candidate Generation and Metadata Filtering

• 'geo_distance '

• 'range'

• 'term'

• 'Free text search'

Scoring and Ranking

• Boost

• dis_max

• function_score

• Rarity Score (TF-IDF)

Aggregations

• 'cardinality'

• 'date_histogram'

• metric aggregations

  • sum - Returns the sum of the field over the relevant candidates

  • min - Returns the min of the field over the relevant candidates

  • max - Returns the max of the field over the relevant candidates

  • avg- Returns the average of the field over the relevant candidates

  • count - Returns the total number of valid field entries in the relevant candidates

  • percentiles - Returns the percentiles of the field over the relevant candidates.

• 'terms'

Data Management

• Update by script

• Update by query

Coming Up

• Script Score

• Fuzzy Matching

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