Package org.apache.calcite.schema

Interface ScannableTable

All Superinterfaces:

Table

All Known Implementing Classes:

BaseOrderStreamTable, CsvScannableTable, CsvStreamScannableTable, GeodeSimpleScannableTable, InfiniteOrdersTable, JdbcTable, JsonScannableTable, KafkaStreamTable, ListTransientTable, MazeTable, OrdersHistoryTable, OrdersTable, PigTable, ProductsTable, RedisTable, Smalls.MazeTable, SqlSpatialTypeFunctions.GridTable

public interface ScannableTable
extends Table

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

Method Summary

Modifier and Type	Method	Description
Enumerable<@Nullable 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 Details

scan

Enumerable<@Nullable Object[]> scan(DataContext root)

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