Examples with DistinctType org.apache.flink.table.types.logical.DistinctType used on opensource projects

Example 6 with DistinctType

use of org.apache.flink.table.types.logical.DistinctType in project flink by apache.

the class LogicalTypeUtils method toRowType.

/**
 * Converts any logical type to a row type. Composite types are converted to a row type. Atomic
 * types are wrapped into a field.
 */
public static RowType toRowType(LogicalType t) {
    switch(t.getTypeRoot()) {
        case ROW:
            return (RowType) t;
        case STRUCTURED_TYPE:
            final StructuredType structuredType = (StructuredType) t;
            final List<RowField> fields = structuredType.getAttributes().stream().map(attribute -> new RowField(attribute.getName(), attribute.getType(), attribute.getDescription().orElse(null))).collect(Collectors.toList());
            return new RowType(structuredType.isNullable(), fields);
        case DISTINCT_TYPE:
            return toRowType(((DistinctType) t).getSourceType());
        default:
            return RowType.of(t);
    }
}