org.apache.calcite.adapter.cassandra

类 CassandraSchema

java.lang.Object

org.apache.calcite.schema.impl.AbstractSchema

org.apache.calcite.adapter.cassandra.CassandraSchema

所有已实现的接口:

org.apache.calcite.schema.Schema

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

Schema mapped onto a Cassandra column family.

嵌套类概要

从类继承的嵌套类/接口 org.apache.calcite.schema.impl.AbstractSchema

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

从接口继承的嵌套类/接口 org.apache.calcite.schema.Schema

org.apache.calcite.schema.Schema.TableType

字段概要

字段

限定符和类型	字段和说明
protected static org.slf4j.Logger	LOGGER

构造器概要

构造器

构造器和说明
CassandraSchema(com.datastax.oss.driver.api.core.CqlSession session, org.apache.calcite.schema.SchemaPlus parentSchema, String name) Creates a Cassandra schema.
CassandraSchema(com.datastax.oss.driver.api.core.CqlSession session, org.apache.calcite.schema.SchemaPlus parentSchema, String keyspace, String name) Creates a Cassandra schema.

方法概要

限定符和类型	方法和说明
List<org.apache.calcite.rel.RelFieldCollation>	getClusteringOrder(String columnFamily, boolean isView) Get the collation of all clustering key columns.
protected Map<String,org.apache.calcite.schema.Table>	getTableMap()

从类继承的方法 org.apache.calcite.schema.impl.AbstractSchema

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

从类继承的方法 java.lang.Object

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

字段详细资料

LOGGER

protected static final org.slf4j.Logger LOGGER

构造器详细资料

CassandraSchema

public CassandraSchema(com.datastax.oss.driver.api.core.CqlSession session,
                       org.apache.calcite.schema.SchemaPlus parentSchema,
                       String name)

Creates a Cassandra schema.

参数:

session - a Cassandra session

parentSchema - the parent schema

name - the schema name

CassandraSchema

public CassandraSchema(com.datastax.oss.driver.api.core.CqlSession session,
                       org.apache.calcite.schema.SchemaPlus parentSchema,
                       String keyspace,
                       String name)

Creates a Cassandra schema.

参数:

session - a Cassandra session

parentSchema - the parent schema

keyspace - the keyspace name

name - the schema name

方法详细资料

getClusteringOrder

public List<org.apache.calcite.rel.RelFieldCollation> getClusteringOrder(String columnFamily,
                                                                         boolean isView)

Get the collation of all clustering key columns.

返回:

A RelCollations representing the collation of all clustering keys

getTableMap

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

覆盖:

getTableMap 在类中 org.apache.calcite.schema.impl.AbstractSchema