Module filter 

Util record batch stream wrapper that can perform precise filter.

Structs

SimpleFilterEvaluator

An inplace expr evaluator for simple filter. Only support

Functions

batch_filter

Evaluate the predicate on the input RecordBatch, and return a new RecordBatch. Copy from datafusion::physical_plan::src::filter.rs

regexp_is_match_dictionary

Similar to regexp_is_match_scalar but for StringDictionaryArray. Iterates through dictionary keys to get string values and applies regex matching.

regexp_is_match_scalar

The same as arrow regexp_is_match_scalar() with pre-compiled regex. See https://github.com/apache/arrow-rs/blob/54.2.0/arrow-string/src/regexp.rs#L204-L246 for the implementation details.