com.xforceplus.tenant.data.auth.jdbc.parser.hint

Class SQL92HintParser

java.lang.Object

com.xforceplus.tenant.data.auth.jdbc.parser.hint.SQL92HintParser

All Implemented Interfaces:

HintParser

public class SQL92HintParser
extends Object
implements HintParser

sql92 标准的注解 hint 解析器. 有可能找到多个相同的配置,以最后找到的为准.

值必须以 HintParser.HINT_FLAG 开头,否则忽略. 值必须以 key=value,key=value 的形式存在,否则解析失败.

格式如下. /* XDP:HINT command * /

select t.id from table t /* XDP:HINT ignore=true * /

Since:

1.8

Version:

0.1 2020/6/10 17:24

Author:

dongbin

Field Summary

Fields inherited from interface com.xforceplus.tenant.data.auth.jdbc.parser.hint.HintParser

HINT_FLAG, KEY_IGNORE

Constructor Summary

Constructors

Constructor and Description
SQL92HintParser()

Method Summary

Modifier and Type	Method and Description
Hint	parse(String sql) 解析目标 SQL 中的提示.

Methods inherited from class java.lang.Object

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

Constructor Detail

SQL92HintParser

public SQL92HintParser()

Method Detail

parse

public Hint parse(String sql)
           throws SQLException

Description copied from interface: HintParser

解析目标 SQL 中的提示.

Specified by:

parse in interface HintParser

Parameters:

sql - 需要解析的目标 SQL.

Returns:

解析得到的 hint.

Throws:

SQLException - 解析失败.