High-Performance Open-Source Archive
dplyr::select_vars calls with
tidyselect::vars_selectlistviewer::reactjson to
view schemasarray_type,
binary_type, boolean_type,
byte_type, character_type,
date_type, double_type,
float_type, integer_type,
long_type, map_type,
numeric_type, string_type,
struct_field, struct_type, and
timestamp_type are provided. These will return java
references needed for schema definition.sdf_select enables access to nested fields (within
maps, structs, and arrays of structs).sdf_explode will convert arrays of structs to simple
structs by duplicating rows over each unique array entry. Also works on
map types if is_map=TRUE.sdf_nest and sdf_unnest are similar to the
similarly named tidyr functions. sdf_unnest
essentially chains sdf_explode and sdf_select
with some schema inspection.sdf_schema_json and sdf_schema_viewer
support schema interrogation
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