dataframe-jdbc/org.jetbrains.kotlinx.dataframe.io.db/DuckDb/parseDuckDbType

parseDuckDbType

internal fun parseDuckDbType(sqlTypeName: String, isNullable: Boolean): AnyJdbcToDataFrameConverter

How a column type from JDBC, sqlTypeName, is read in Java/Kotlin. The returned type must exactly follow ResultSet.getObject of your specific database's JDBC driver. Returning null defer the implementation to the default one (which may not always be correct).

Following org.duckdb.DuckDBVector.getObject and converting the result to