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datafusion::functions_array::map_extract - Rust
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Module datafusion::functions_array::map_extract

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ScalarUDFImpl definitions for map_extract functions.

Functions§

  • map_extract
    Return a list containing the value for a given key or an empty list if the key is not contained in the map.
  • map_extract_udf
    ScalarFunction that returns a ScalarUDF for MapExtract