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

Module map_extract

Source
Available on crate feature nested_expressions only.
Expand description

ScalarUDFImpl definitions for map_extract functions.

Structs§

MapExtract

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