org.apache.calcite.adapter.csv

Class CsvSchema

java.lang.Object

org.apache.calcite.schema.impl.AbstractSchema

org.apache.calcite.adapter.csv.CsvSchema

All Implemented Interfaces:

org.apache.calcite.schema.Schema

public class CsvSchema
extends org.apache.calcite.schema.impl.AbstractSchema

Schema mapped onto a directory of CSV files. Each table in the schema is a CSV file in that directory.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.schema.impl.AbstractSchema

org.apache.calcite.schema.impl.AbstractSchema.Factory

Nested classes/interfaces inherited from interface org.apache.calcite.schema.Schema

org.apache.calcite.schema.Schema.TableType

Constructor Summary

Constructors

Constructor and Description
CsvSchema(File directoryFile, CsvTable.Flavor flavor) Creates a CSV schema.

Method Summary

Modifier and Type	Method and Description
protected Map<String,org.apache.calcite.schema.Table>	getTableMap()

Methods inherited from class org.apache.calcite.schema.impl.AbstractSchema

getExpression, getFunctionMultimap, getFunctionNames, getFunctions, getSubSchema, getSubSchemaMap, getSubSchemaNames, getTable, getTableNames, getType, getTypeMap, getTypeNames, isMutable, snapshot

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CsvSchema

public CsvSchema(File directoryFile,
                 CsvTable.Flavor flavor)

Creates a CSV schema.

Parameters:

directoryFile - Directory that holds .csv files

flavor - Whether to instantiate flavor tables that undergo query optimization

Method Detail

getTableMap

protected Map<String,org.apache.calcite.schema.Table> getTableMap()

Overrides:

getTableMap in class org.apache.calcite.schema.impl.AbstractSchema