org.apache.shardingsphere.infra.binder.segment.table

Class TablesContext

java.lang.Object

org.apache.shardingsphere.infra.binder.segment.table.TablesContext

public final class TablesContext
extends Object

Tables context.

Constructor Summary

Constructors

Constructor and Description
TablesContext(Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment> tableSegments)
TablesContext(org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment tableSegment)

Method Summary

Modifier and Type	Method and Description
Optional<String>	findTableName(ColumnProjection column, ShardingSphereSchema schema) Find table name.
Optional<String>	findTableName(org.apache.shardingsphere.sql.parser.sql.common.segment.dml.column.ColumnSegment column, ShardingSphereSchema schema) Find table name.
Optional<String>	findTableNameFromSQL(String tableNameOrAlias) Find table name from SQL.
Collection<String>	getTableNames() Get table names.

Methods inherited from class java.lang.Object

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

Constructor Detail

TablesContext

public TablesContext(org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment tableSegment)

TablesContext

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

Method Detail

getTableNames

public Collection<String> getTableNames()

Get table names.

Returns:

table names

findTableName

public Optional<String> findTableName(org.apache.shardingsphere.sql.parser.sql.common.segment.dml.column.ColumnSegment column,
                                      ShardingSphereSchema schema)

Find table name.

Parameters:

column - column segment

schema - schema meta data

Returns:

table name

findTableName

public Optional<String> findTableName(ColumnProjection column,
                                      ShardingSphereSchema schema)

Find table name.

Parameters:

column - column projection

schema - schema meta data

Returns:

table name

findTableNameFromSQL

public Optional<String> findTableNameFromSQL(String tableNameOrAlias)

Find table name from SQL.

Parameters:

tableNameOrAlias - table name or alias

Returns:

table name