该作业的规格如下:
- 找到所有嵌入式 sql 语句并为尚未使用常量的嵌入式 sql 实现常量。
- 用 String.format() 替换 Sql 语句创建中的任何字符串连接。
- 对于任何 String.format 命令,您必须转义任何现有的 % 符号。这些符号经常用于 LIKE 操作。
如何将此 SQL 查询移动到“公共静态字符串 MY_QUERY”中,这样它就不会被前向引用,并且可以解析“匹配”和“使用For”变量。我将对 MY_QUERY 执行的操作是从 JUnit 测试访问它,然后针对源数据库和目标数据库执行查询,以确保查询在两个数据库上执行数据迁移所需的查询。
package artemispm.autocalc;
import java.sql.*;
import java.util.*;
import a7.unittests.dao.UnitTestHelper;
import artemispm.serverutil.*;
import artemispm.trdo.*;
import artemispm.parser.*;
public abstract class TRBaseScoreCalculator implements ExpressionParserLookup {
/*****THIS IS THE NEW QUERY THAT WILL BE ACCESSED FROM JUNIT TEST****/
public static String MY_QUERY =
public Connection m_con;
protected String m_characName = "";
public boolean isThisCharacInUse(Connection con, String characName,String useFor)
throws SQLException, TRException {
boolean result;
String match = "[" + TRBaseSql.rewrapQuotes(characName) + "]";
if(TRBaseSql.getDatabaseType(con) == TRBaseSql.DBTYPESQLSERVER) {
match = "[[]" + TRBaseSql.rewrapQuotes(characName) + "]";
}
TRSystemSQL sql = new TRSystemSQL();
TRSystem sys=sql.getSystem(con);
result = ( sys.getScoreCalculation() != null
&& sys.getScoreCalculation().indexOf(match) >= 0 );
if (result) return(result);
else {
int count;
/*****THIS IS THE PLACE I NEED HELP AT 12/5/2012 ******/
/*I NEED TO SOMEHOW MOVE THE BELOW STATEMENT USING THE SPECS INTO MY_QUERY**/
/**"select count(userfieldid) from tr_userfield where calcexpression like '%" + match + "%'and usefor like '%" + useFor +"%'"***/
count = sql.executeGetInt(con, "select count(userfieldid) from tr_userfield where calcexpression like '%" + match + "%'and usefor like '%" + useFor +"%'" , null);
if (count > 0) return true;
count = sql.executeGetInt(con,
"select count(characid) from tr_charac where calcexpression like '%" + match + "%'and usefor like '%" + useFor +"%'" , null);
return (count > 0);
}
}
}