org.apache.shardingsphere.sql.parser.sql.common.extractor

类 TableExtractor

java.lang.Object

org.apache.shardingsphere.sql.parser.sql.common.extractor.TableExtractor

public final class TableExtractor
extends Object

构造器概要

构造器

构造器和说明
TableExtractor()

方法概要

限定符和类型	方法和说明
Collection<SimpleTableSegment>	extractExistTableFromRoutineBody(RoutineBodySegment routineBody) Extract the tables that should exist from RoutineBodySegment.
Collection<SimpleTableSegment>	extractNotExistTableFromRoutineBody(RoutineBodySegment routineBody) Extract the tables that should not exist from RoutineBodySegment.
void	extractTablesFromDelete(DeleteStatement deleteStatement) Extract table that should be rewrited from DeleteStatement.
void	extractTablesFromInsert(InsertStatement insertStatement) Extract table that should be rewrited from InsertStatement.
void	extractTablesFromSelect(SelectStatement selectStatement) Extract table that should be rewrited from SelectStatement.
void	extractTablesFromUpdate(UpdateStatement updateStatement) Extract table that should be rewrited from UpdateStatement.
boolean	needRewrite(OwnerSegment owner) Check if the table needs to be overwritten.

从类继承的方法 java.lang.Object

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

构造器详细资料

TableExtractor

public TableExtractor()

方法详细资料

extractTablesFromSelect

public void extractTablesFromSelect(SelectStatement selectStatement)

Extract table that should be rewrited from SelectStatement.

参数:

selectStatement - SelectStatement.

extractTablesFromDelete

public void extractTablesFromDelete(DeleteStatement deleteStatement)

Extract table that should be rewrited from DeleteStatement.

参数:

deleteStatement - DeleteStatement.

extractTablesFromInsert

public void extractTablesFromInsert(InsertStatement insertStatement)

Extract table that should be rewrited from InsertStatement.

参数:

insertStatement - SelectStatement.

extractTablesFromUpdate

public void extractTablesFromUpdate(UpdateStatement updateStatement)

Extract table that should be rewrited from UpdateStatement.

参数:

updateStatement - UpdateStatement.

needRewrite

public boolean needRewrite(OwnerSegment owner)

Check if the table needs to be overwritten.

参数:

owner - OwnerSegment.

返回:

boolean.

extractExistTableFromRoutineBody

public Collection<SimpleTableSegment> extractExistTableFromRoutineBody(RoutineBodySegment routineBody)

Extract the tables that should exist from RoutineBodySegment.

参数:

routineBody - RoutineBodySegment

返回:

the tables that should exist

extractNotExistTableFromRoutineBody

public Collection<SimpleTableSegment> extractNotExistTableFromRoutineBody(RoutineBodySegment routineBody)

Extract the tables that should not exist from RoutineBodySegment.

参数:

routineBody - RoutineBodySegment

返回:

the tables that should not exist