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- JSON Overview 11228
- DuckDB supports SQL functions that are useful for reading values from existing JSON and creating new JSON data. JSON is supported with the json extension which is shipped with most DuckDB distributions and is auto-loaded on first use. If yo
...at for tabular data, it is very commonly used, especially as a data interchange format. JSONPath and JSON Pointer Syntax DuckDB implements multiple interfaces for JSON extraction: JSONPath and JSON Pointer . Both of them work with the arrow operato...r ( -> ) and the json_extract function call. Note that DuckDB only supports lookups in JSONPath, i.e., extracting fields with .<key> or array elements with [<index>] . Arrays can be...indexed from the back and both approaches support the wildcard * . DuckDB does not support the full JSONPath syntax because SQL is readily avail... - https://man.mtool.work/duckdb/2.0/data/json/overview.html
- Text Functions 7485
- Text Functions and Operators This section describes functions and operators for examining and manipulating STRING values . Function Description string[index] Extracts a single character using a (1-based) index . string[begin:end] Extracts a
...rns the top-level directory name from the given path . separator options: system , both_slash (default), forward_slash , backslash . parse_dirpath(path[, separator]) Returns the head of the path (the pathname until the last slash) similarly to Pyth...on's os.path.dirname . separator options: system , both_slash (default), forward_slash , backslash . parse_filename(string[, trim_extension][, separator]) Returns the last component of the path similarly to Python's...e file extension will be removed (defaults to false ). separator options: system , both_slash (default), forward_slash , backslash . parse_path(path[, separator]) Returns a list of the components (directories and filename) in the path similarly to... - https://man.mtool.work/duckdb/2.0/sql/functions/text.html
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