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

Class SelectStatementContext

java.lang.Object

org.apache.shardingsphere.infra.binder.statement.CommonSQLStatementContext

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

All Implemented Interfaces:

ParameterAware, SQLStatementContext, TableAvailable, WhereAvailable

public final class SelectStatementContext
extends CommonSQLStatementContext
implements TableAvailable, WhereAvailable, ParameterAware

Select SQL statement context.

Constructor Summary

Constructors

Constructor	Description
SelectStatementContext(ShardingSphereMetaData metaData, List<Object> params, org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement sqlStatement, String defaultDatabaseName)

Method Summary

Modifier and Type	Method	Description
Optional<ColumnProjection>	findColumnProjection(int columnIndex)	Find column projection.
Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment>	getAllTables()	Get all table segments.
Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.column.ColumnSegment>	getColumnSegments()	Get column segments.
org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement	getSqlStatement()	Get SQL statement.
Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.predicate.WhereSegment>	getWhereSegments()	Get where segments.
boolean	isContainsCombine()	Judge whether contains combine or not.
boolean	isContainsDollarParameterMarker()	Judge whether contains dollar parameter marker or not.
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.
void	setUpParameters(List<Object> params)	Set up parameters.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.shardingsphere.infra.binder.statement.SQLStatementContext

getDatabaseType, getTablesContext

Methods inherited from interface org.apache.shardingsphere.infra.binder.type.TableAvailable

getTablesContext

Constructor Detail

SelectStatementContext

public SelectStatementContext(ShardingSphereMetaData metaData,
                              List<Object> params,
                              org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement sqlStatement,
                              String defaultDatabaseName)

Method Detail

isContainsJoinQuery

public boolean isContainsJoinQuery()

Judge whether contains join query or not.

Returns:

whether contains join query or not

isContainsSubquery

public boolean isContainsSubquery()

Judge whether contains subquery or not.

Returns:

whether contains subquery or not

isContainsHaving

public boolean isContainsHaving()

Judge whether contains having or not.

Returns:

whether contains having or not

isContainsCombine

public boolean isContainsCombine()

Judge whether contains combine or not.

Returns:

whether contains combine or not

isContainsDollarParameterMarker

public boolean isContainsDollarParameterMarker()

Judge whether contains dollar parameter marker or not.

Returns:

whether contains dollar parameter marker or not

isContainsPartialDistinctAggregation

public boolean isContainsPartialDistinctAggregation()

Judge whether contains partial distinct aggregation.

Returns:

whether contains partial distinct aggregation

setIndexes

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

Set indexes.

Parameters:

columnLabelIndexMap - map for column label and index

isSameGroupByAndOrderByItems

public boolean isSameGroupByAndOrderByItems()

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

Returns:

group by and order by sequence is same or not

findColumnProjection

public Optional<ColumnProjection> findColumnProjection(int columnIndex)

Find column projection.

Parameters:

columnIndex - column index

Returns:

find column projection

getSqlStatement

public org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement getSqlStatement()

Description copied from interface: SQLStatementContext

Get SQL statement.

Specified by:

getSqlStatement in interface SQLStatementContext

Returns:

SQL statement

getAllTables

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

Description copied from interface: TableAvailable

Get all table segments.

Specified by:

getAllTables in interface TableAvailable

Returns:

all table segments

getWhereSegments

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

Description copied from interface: WhereAvailable

Get where segments.

Specified by:

getWhereSegments in interface WhereAvailable

Returns:

where segments

getColumnSegments

public Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.column.ColumnSegment> getColumnSegments()

Description copied from interface: WhereAvailable

Get column segments.

Specified by:

getColumnSegments in interface WhereAvailable

Returns:

column segments

setUpParameters

public void setUpParameters(List<Object> params)

Description copied from interface: ParameterAware

Set up parameters.

Specified by:

setUpParameters in interface ParameterAware

Parameters:

params - parameters