org.apache.calcite.adapter.kafka

类 KafkaStreamTable

java.lang.Object

org.apache.calcite.adapter.kafka.KafkaStreamTable

所有已实现的接口:

org.apache.calcite.schema.ScannableTable, org.apache.calcite.schema.StreamableTable, org.apache.calcite.schema.Table

public class KafkaStreamTable
extends Object
implements org.apache.calcite.schema.ScannableTable, org.apache.calcite.schema.StreamableTable

A table that maps to an Apache Kafka topic.

Currently only KafkaStreamTable is implemented as a STREAM table.

方法概要

限定符和类型	方法和说明
org.apache.calcite.schema.Schema.TableType	getJdbcTableType()
org.apache.calcite.rel.type.RelDataType	getRowType(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)
org.apache.calcite.schema.Statistic	getStatistic()
boolean	isRolledUp(String column)
boolean	rolledUpColumnValidInsideAgg(String column, org.apache.calcite.sql.SqlCall call, @Nullable org.apache.calcite.sql.SqlNode parent, @Nullable org.apache.calcite.config.CalciteConnectionConfig config)
org.apache.calcite.linq4j.Enumerable<Object[]>	scan(org.apache.calcite.DataContext root)
org.apache.calcite.schema.Table	stream()

从类继承的方法 java.lang.Object

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

方法详细资料

scan

public org.apache.calcite.linq4j.Enumerable<Object[]> scan(org.apache.calcite.DataContext root)

指定者:

scan 在接口中 org.apache.calcite.schema.ScannableTable

getRowType

public org.apache.calcite.rel.type.RelDataType getRowType(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)

指定者:

getRowType 在接口中 org.apache.calcite.schema.Table

getStatistic

public org.apache.calcite.schema.Statistic getStatistic()

指定者:

getStatistic 在接口中 org.apache.calcite.schema.Table

isRolledUp

public boolean isRolledUp(String column)

指定者:

isRolledUp 在接口中 org.apache.calcite.schema.Table

rolledUpColumnValidInsideAgg

public boolean rolledUpColumnValidInsideAgg(String column,
                                            org.apache.calcite.sql.SqlCall call,
                                            @Nullable org.apache.calcite.sql.SqlNode parent,
                                            @Nullable org.apache.calcite.config.CalciteConnectionConfig config)

指定者:

rolledUpColumnValidInsideAgg 在接口中 org.apache.calcite.schema.Table

stream

public org.apache.calcite.schema.Table stream()

指定者:

stream 在接口中 org.apache.calcite.schema.StreamableTable

getJdbcTableType

public org.apache.calcite.schema.Schema.TableType getJdbcTableType()

指定者:

getJdbcTableType 在接口中 org.apache.calcite.schema.Table