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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Add missing scalar functions","articleBody":"**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**\nI would like access to the [full set](https://arrow.apache.org/datafusion/user-guide/sql/scalar_functions.html) of scalar functions defined in the Rust library.\n\n**Describe the solution you'd like**\nI would like to have Python bindings for the following functions:\n\n_Math Functions_\n\n- [x] acosh\n- [x] asinh\n- [x] atanh\n- [x] cbrt\n- [x] cosh\n- [x] degrees\n- [x] factorial\n- [x] gcd\n- [x] isnan: #495\n- [x] iszero: #495\n- [x] lcm\n- [x] nanvl\n- [x] pi\n- [x] radians\n- [x] sinh\n- [x] tanh\n\n_Binary String Functions_\n\n- [x] encode: #494\n- [x] decode: #494\n\n_Array Functions_\n\n- [x] array_append\n- [x] array_cat\n- [x] array_concat\n- [x] array_dims\n- [x] array_element\n- [x] array_empty\n- [x] array_extract\n~- [ ] array_fill~ removed https://github.com/apache/datafusion/pull/7199\n- [x] array_has\n- [x] array_has_all\n- [x] array_has_any\n- [x] array_indexof\n- [x] array_join\n- [x] array_length\n- [x] array_ndims\n- [x] array_pop_back\n- [x] array_position\n- [x] array_positions\n- [x] array_prepend\n- [x] array_push_back\n- [x] array_push_front\n- [x] array_remove\n- [x] array_remove_all\n- [x] array_remove_n\n- [x] array_repeat\n- [x] array_replace\n- [x] array_replace_all\n- [x] array_replace_n\n- [x] array_slice\n- [x] array_to_string\n- [x] cardinality\n- [x] empty\n- [x] flatten\n- [x] list_append\n- [x] list_cat\n- [x] list_concat\n- [x] list_dims\n- [x] list_element\n- [x] list_extract\n- [x] list_indexof\n- [x] list_join\n- [x] list_length\n- [x] list_ndims\n- [x] list_position\n- [x] list_positions\n- [x] list_prepend\n- [x] list_push_back\n- [x] list_push_front\n- [x] list_remove\n- [x] list_remove_all\n- [x] list_remove_n\n- [ ] list_repeat\n- [x] list_replace\n- [x] list_replace_all\n- [x] list_replace_n\n- [x] list_slice\n- [x] list_to_string\n- [x] make_list\n- ~~[ ] trim_array~~ deprecated\n\n_Time and Date Functions_\n\n- [x] extract\n\n_Other Functions_\n\n- [ ] arrow_cast\n\n**Describe alternatives you've considered**\nNone","author":{"url":"https://github.com/mesejo","@type":"Person","name":"mesejo"},"datePublished":"2023-08-25T07:37:45.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":11},"url":"https://github.com/463/datafusion-python/issues/463"}