org.apache.shardingsphere.infra.binder.statement.dml

类 SelectStatementContext

java.lang.Object

org.apache.shardingsphere.infra.binder.statement.CommonSQLStatementContext<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement>

org.apache.shardingsphere.infra.binder.statement.dml.SelectStatementContext

所有已实现的接口:

SQLStatementContext<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement>, SchemaAvailable, TableAvailable, WhereAvailable

public final class SelectStatementContext
extends CommonSQLStatementContext<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement>
implements TableAvailable, WhereAvailable, SchemaAvailable

Select SQL statement context.

构造器概要

构造器

构造器和说明
SelectStatementContext(Map<String,ShardingSphereMetaData> metaDataMap, List<Object> parameters, org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement sqlStatement, String defaultSchemaName)

方法概要

限定符和类型	方法和说明
Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment>	getAllTables() Get all table segments.
Optional<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.predicate.WhereSegment>	getWhere() Get where segment.
boolean	isContainsHaving() Judge whether contains having or not.
boolean	isContainsJoinQuery() Judge whether contains join query or not.
boolean	isContainsPartialDistinctAggregation() Judge whether contains partial distinct aggregation.
boolean	isContainsSubquery() Judge whether contains subquery or not.
boolean	isSameGroupByAndOrderByItems() Judge group by and order by sequence is same or not.
void	setIndexes(Map<String,Integer> columnLabelIndexMap) Set indexes.

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.shardingsphere.infra.binder.type.TableAvailable

getTablesContext

从接口继承的方法 org.apache.shardingsphere.infra.binder.type.SchemaAvailable

getSchemaName

从接口继承的方法 org.apache.shardingsphere.infra.binder.statement.SQLStatementContext

getSqlStatement, getTablesContext

构造器详细资料

SelectStatementContext

public SelectStatementContext(Map<String,ShardingSphereMetaData> metaDataMap,
                              List<Object> parameters,
                              org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement sqlStatement,
                              String defaultSchemaName)

方法详细资料

isContainsJoinQuery

public boolean isContainsJoinQuery()

Judge whether contains join query or not.

返回:

whether contains join query or not

isContainsSubquery

public boolean isContainsSubquery()

Judge whether contains subquery or not.

返回:

whether contains subquery or not

isContainsHaving

public boolean isContainsHaving()

Judge whether contains having or not.

返回:

whether contains having or not

isContainsPartialDistinctAggregation

public boolean isContainsPartialDistinctAggregation()

Judge whether contains partial distinct aggregation.

返回:

whether contains partial distinct aggregation

setIndexes

public void setIndexes(Map<String,Integer> columnLabelIndexMap)

Set indexes.

参数:

columnLabelIndexMap - map for column label and index

isSameGroupByAndOrderByItems

public boolean isSameGroupByAndOrderByItems()

Judge group by and order by sequence is same or not.

返回:

group by and order by sequence is same or not

getAllTables

public Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment> getAllTables()

从接口复制的说明: TableAvailable

Get all table segments.

指定者:

getAllTables 在接口中 TableAvailable

返回:

all table segments

getWhere

public Optional<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.predicate.WhereSegment> getWhere()

从接口复制的说明: WhereAvailable

Get where segment.

指定者:

getWhere 在接口中 WhereAvailable

返回:

where segment