com.dangdang.ddframe.rdb.sharding.parser.visitor.basic.mysql

类 MySQLSelectVisitor

java.lang.Object

com.alibaba.druid.sql.visitor.SQLASTVisitorAdapter

com.alibaba.druid.sql.visitor.SQLASTOutputVisitor

com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor

com.dangdang.ddframe.rdb.sharding.parser.visitor.basic.mysql.AbstractMySQLVisitor

com.dangdang.ddframe.rdb.sharding.parser.visitor.basic.mysql.MySQLSelectVisitor

所有已实现的接口:

com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor, com.alibaba.druid.sql.visitor.PrintableVisitor, com.alibaba.druid.sql.visitor.SQLASTVisitor, SQLVisitor

public class MySQLSelectVisitor
extends AbstractMySQLVisitor

MySQL的SELECT语句访问器.

作者:

gaohongtao, zhangliang

字段概要

从类继承的字段 com.alibaba.druid.sql.visitor.SQLASTOutputVisitor

appender, selectListNumberOfLine

构造器概要

构造器

构造器和说明
MySQLSelectVisitor()

方法概要

限定符和类型	方法和说明
void	endVisit(com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock x)
protected void	printSelectList(List<com.alibaba.druid.sql.ast.statement.SQLSelectItem> selectList)
boolean	visit(com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlSelectGroupByExpr x) 将GROUP BY列放入parseResult.
boolean	visit(com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock.Limit x) LIMIT 解析.
boolean	visit(com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock x)
boolean	visit(com.alibaba.druid.sql.ast.expr.SQLAggregateExpr x)
boolean	visit(com.alibaba.druid.sql.ast.SQLOrderBy x)
boolean	visit(com.alibaba.druid.sql.ast.statement.SQLSelectItem x) 解析 SELECT item1,item2 FROM 中的item.

从类继承的方法 com.dangdang.ddframe.rdb.sharding.parser.visitor.basic.mysql.AbstractMySQLVisitor

getDatabaseType, getParseContext, getSQLBuilder, printToken, printToken, visit, visit, visit, visit, visit, visit

从类继承的方法 com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor

endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, printValuesList, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitAggreateRest

从类继承的方法 com.alibaba.druid.sql.visitor.SQLASTOutputVisitor

decrementIndent, endVisit, endVisit, endVisit, endVisit, endVisit, getAppender, getIndentCount, getParameters, getParametersSize, incrementIndent, isPrettyFormat, print, print, print, print, print, printAlias, printAndAccept, printCascade, printGrantOn, printIndent, println, println, printlnAndAccept, printParameter, setParameters, setPrettyFormat, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitColumnDefault

从类继承的方法 com.alibaba.druid.sql.visitor.SQLASTVisitorAdapter

endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, postVisit, preVisit

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 com.alibaba.druid.sql.visitor.SQLASTVisitor

endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, endVisit, postVisit, preVisit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

构造器详细资料

MySQLSelectVisitor

public MySQLSelectVisitor()

方法详细资料

printSelectList

protected void printSelectList(List<com.alibaba.druid.sql.ast.statement.SQLSelectItem> selectList)

覆盖:

printSelectList 在类中 com.alibaba.druid.sql.visitor.SQLASTOutputVisitor

visit

public boolean visit(com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock x)

指定者:

visit 在接口中 com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor

覆盖:

visit 在类中 com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor

visit

public boolean visit(com.alibaba.druid.sql.ast.statement.SQLSelectItem x)

解析 SELECT item1,item2 FROM 中的item.

指定者:

visit 在接口中 com.alibaba.druid.sql.visitor.SQLASTVisitor

覆盖:

visit 在类中 com.alibaba.druid.sql.visitor.SQLASTOutputVisitor

参数:

x - SELECT item 表达式

返回:

true表示继续遍历AST, false表示终止遍历AST

visit

public boolean visit(com.alibaba.druid.sql.ast.expr.SQLAggregateExpr x)

指定者:

visit 在接口中 com.alibaba.druid.sql.visitor.SQLASTVisitor

覆盖:

visit 在类中 com.alibaba.druid.sql.visitor.SQLASTOutputVisitor

visit

public boolean visit(com.alibaba.druid.sql.ast.SQLOrderBy x)

指定者:

visit 在接口中 com.alibaba.druid.sql.visitor.SQLASTVisitor

覆盖:

visit 在类中 com.alibaba.druid.sql.visitor.SQLASTOutputVisitor

visit

public boolean visit(com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlSelectGroupByExpr x)

将GROUP BY列放入parseResult. 直接返回false,防止重复解析GROUP BY表达式.

指定者:

visit 在接口中 com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor

覆盖:

visit 在类中 com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor

参数:

x - GROUP BY 表达式

返回:

false 停止遍历AST

visit

public boolean visit(com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock.Limit x)

LIMIT 解析.

指定者:

visit 在接口中 com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor

覆盖:

visit 在类中 com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor

参数:

x - LIMIT表达式

返回:

false 停止遍历AST

endVisit

public void endVisit(com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock x)

指定者:

endVisit 在接口中 com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor

覆盖:

endVisit 在类中 com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor