org.apache.calcite.schema

Interface ScannableTable

All Superinterfaces:

Table

All Known Implementing Classes:

CsvScannableTable, CsvStreamScannableTable, GeodeSimpleScannableTable, JdbcTable, JsonScannableTable, KafkaStreamTable, ListTransientTable, MazeTable, PigTable, RedisTable

public interface ScannableTable
extends Table

Table that can be scanned without creating an intermediate relational expression.

Method Summary

Modifier and Type	Method and Description
Enumerable<Object[]>	scan(DataContext root) Returns an enumerator over the rows in this Table.

Methods inherited from interface org.apache.calcite.schema.Table

getJdbcTableType, getRowType, getStatistic, isRolledUp, rolledUpColumnValidInsideAgg

Method Detail

scan

Enumerable<Object[]> scan(DataContext root)

Returns an enumerator over the rows in this Table. Each row is represented as an array of its column values.