presto-main/src/main/java/io/prestosql/connector/informationschema/InformationSchemaMetadata.java/InformationSchemaMetadata/asFixedValues
class InformationSchemaMetadata:    private Map<ColumnHandle, NullableValue> asFixedValues(QualifiedObjectName objectName)
    {
        return ImmutableMap.of(
                CATALOG_COLUMN_HANDLE, new NullableValue(createUnboundedVarcharType(), utf8Slice(objectName.getCatalogName())),
                SCHEMA_COLUMN_HANDLE, new NullableValue(createUnboundedVarcharType(), utf8Slice(objectName.getSchemaName())),
                TABLE_NAME_COLUMN_HANDLE, new NullableValue(createUnboundedVarcharType(), utf8Slice(objectName.getObjectName())));
    }