This extract type imports data from Parquet files. A Parquet connection is required for this extract.
See also Parquet's documentation on file format types and metadata.
| Connection | A connection of ParquetFile type. See Parquet Connection. |
| range column Subset | An optional list of comma-separated column indices that will be extracted. Index 1 indicates the first column of the range. Example: 1,3,4 |
| Header | Check this option if column names are needed from the Parquet schema. If not, leave it unchecked and the column names will be "column1", "column2", etc. |
| Schema types | If set, the data types (string, numeric, date) are taken from the Parquet schema. Otherwise, the data type is always set to string. |
| Date format | Columns formatted as date will be output according to the provided date format. Details on syntax can be found in DateFormat Function. |
| Use caching | Memory, disk, or none (default). For more information, see Caching in Extracts. |
Updated October 2, 2024