org.apache.calcite.schema

Interface QueryableTable

All Superinterfaces:

Table

All Known Subinterfaces:

ModifiableTable

All Known Implementing Classes:

AbstractQueryableTable, JdbcTable, ListTransientTable, MaterializedViewTable, ModifiableViewTable, ViewTable

public interface QueryableTable
extends Table

Extension to Table that can translate itself to a Queryable.

Method Summary

Modifier and Type	Method and Description
<T> org.apache.calcite.linq4j.Queryable<T>	asQueryable(org.apache.calcite.linq4j.QueryProvider queryProvider, SchemaPlus schema, String tableName) Converts this table into a Queryable.
Type	getElementType() Returns the element type of the collection that will implement this table.
org.apache.calcite.linq4j.tree.Expression	getExpression(SchemaPlus schema, String tableName, Class clazz) Generates an expression with which this table can be referenced in generated code.

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

getJdbcTableType, getRowType, getStatistic, isRolledUp, rolledUpColumnValidInsideAgg

Method Detail

asQueryable

<T> org.apache.calcite.linq4j.Queryable<T> asQueryable(org.apache.calcite.linq4j.QueryProvider queryProvider,
                                                       SchemaPlus schema,
                                                       String tableName)

Converts this table into a Queryable.

getElementType

Type getElementType()

Returns the element type of the collection that will implement this table.

getExpression

org.apache.calcite.linq4j.tree.Expression getExpression(SchemaPlus schema,
                                                        String tableName,
                                                        Class clazz)

Generates an expression with which this table can be referenced in generated code.

Parameters:

schema - Schema

tableName - Table name (unique within schema)

clazz - The desired collection class; for example Queryable.