odbc2parquet-0.1.2 is not a library.
ODBC to Parquet
Query ODBC databases and save the result in a parquet file.
Usage
odbc2parquet run "Driver={ODBC Driver 17 for SQL Server};Server=localhost;UID=SA;PWD=<YourStrong@Passw0rd>;" "SELECT * FROM Birthdays" out.par1
Use odbc2parquet --help to see all option.
Installation
Currently only deployed via cargo. Use cargo +nightly install odbc2parquet to install it.
Mapping of types
The tool queries the ODBC Data source for type information and maps it to parquet type as such:
| ODBC SQL Type | Parquet Logical Type |
|---|---|
| Double | Double |
| Float | Float |
| Small Integer | Int16 |
| Integer | Int32 |
| Big Int | Int64 |
| Date | Date |
| Timestamp | Timestamp Microseconds |
| All others | Utf8 Byte Array |