Interface FileSource

Allow glob metacharacters in the path to match multiple files. Off by default.

Allow a URL path (http/s3/...). Off by default - a URL means a network read.

CSV text encoding (e.g. 'utf-8', 'utf-16', 'latin-1'). Default: sniffed.

Excel worksheet to read (by name, e.g. 'Q1 Sales'). Only used for xlsx; defaults to the first sheet. Register the same workbook once per sheet with distinct table names to query several sheets.

Table name to register the file as (sanitized).