org.apache.commons.dbutils

Class QueryRunner

    • Constructor Detail

      • QueryRunner

        public QueryRunner()
        Constructor for QueryRunner.
      • QueryRunner

        public QueryRunner(boolean pmdKnownBroken)
        Constructor for QueryRunner that controls the use of ParameterMetaData.
        Parameters:
        pmdKnownBroken - Some drivers don't support ParameterMetaData.getParameterType(int); if pmdKnownBroken is set to true, we won't even try it; if false, we'll try it, and if it breaks, we'll remember not to use it again.
      • QueryRunner

        public QueryRunner(DataSource ds)
        Constructor for QueryRunner that takes a DataSource to use. Methods that do not take a Connection parameter will retrieve connections from this DataSource.
        Parameters:
        ds - The DataSource to retrieve connections from.
      • QueryRunner

        public QueryRunner(DataSource ds,
        boolean pmdKnownBroken)
        Constructor for QueryRunner that takes a DataSource and controls the use of ParameterMetaData. Methods that do not take a Connection parameter will retrieve connections from this DataSource.
        Parameters:
        ds - The DataSource to retrieve connections from.
        pmdKnownBroken - Some drivers don't support ParameterMetaData.getParameterType(int); if pmdKnownBroken is set to true, we won't even try it; if false, we'll try it, and if it breaks, we'll remember not to use it again.
    • Method Detail

      • batch

        public int[] batch(Connection conn,
        String sql,
        Object[][] params)
        throws SQLException
        Execute a batch of SQL INSERT, UPDATE, or DELETE queries.
        Parameters:
        conn - The Connection to use to run the query. The caller is responsible for closing this Connection.
        sql - The SQL to execute.
        params - An array of query replacement parameters. Each row in this array is one set of batch replacement values.
        Returns:
        The number of rows updated per statement.
        Throws:
        SQLException - if a database access error occurs
        Since:
        DbUtils 1.1
      • batch

        public int[] batch(String sql,
        Object[][] params)
        throws SQLException
        Execute a batch of SQL INSERT, UPDATE, or DELETE queries. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
        Parameters:
        sql - The SQL to execute.
        params - An array of query replacement parameters. Each row in this array is one set of batch replacement values.
        Returns:
        The number of rows updated per statement.
        Throws:
        SQLException - if a database access error occurs
        Since:
        DbUtils 1.1
      • query

        @Deprecated
        public <T> T query(Connection conn,
        String sql,
        Object param,
        ResultSetHandler<T> rsh)
        throws SQLException
        Execute an SQL SELECT query with a single replacement parameter. The caller is responsible for closing the connection.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        conn - The connection to execute the query in.
        sql - The query to execute.
        param - The replacement parameter.
        rsh - The handler that converts the results into an object.
        Returns:
        The object returned by the handler.
        Throws:
        SQLException - if a database access error occurs
      • query

        @Deprecated
        public <T> T query(Connection conn,
        String sql,
        Object[] params,
        ResultSetHandler<T> rsh)
        throws SQLException
        Execute an SQL SELECT query with replacement parameters. The caller is responsible for closing the connection.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        conn - The connection to execute the query in.
        sql - The query to execute.
        params - The replacement parameters.
        rsh - The handler that converts the results into an object.
        Returns:
        The object returned by the handler.
        Throws:
        SQLException - if a database access error occurs
      • query

        public <T> T query(Connection conn,
        String sql,
        ResultSetHandler<T> rsh,
        Object... params)
        throws SQLException
        Execute an SQL SELECT query with replacement parameters. The caller is responsible for closing the connection.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        conn - The connection to execute the query in.
        sql - The query to execute.
        rsh - The handler that converts the results into an object.
        params - The replacement parameters.
        Returns:
        The object returned by the handler.
        Throws:
        SQLException - if a database access error occurs
      • query

        public <T> T query(Connection conn,
        String sql,
        ResultSetHandler<T> rsh)
        throws SQLException
        Execute an SQL SELECT query without any replacement parameters. The caller is responsible for closing the connection.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        conn - The connection to execute the query in.
        sql - The query to execute.
        rsh - The handler that converts the results into an object.
        Returns:
        The object returned by the handler.
        Throws:
        SQLException - if a database access error occurs
      • query

        @Deprecated
        public <T> T query(String sql,
        Object param,
        ResultSetHandler<T> rsh)
        throws SQLException
        Executes the given SELECT SQL with a single replacement parameter. The Connection is retrieved from the DataSource set in the constructor.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        sql - The SQL statement to execute.
        param - The replacement parameter.
        rsh - The handler used to create the result object from the ResultSet.
        Returns:
        An object generated by the handler.
        Throws:
        SQLException - if a database access error occurs
      • query

        @Deprecated
        public <T> T query(String sql,
        Object[] params,
        ResultSetHandler<T> rsh)
        throws SQLException
        Executes the given SELECT SQL query and returns a result object. The Connection is retrieved from the DataSource set in the constructor.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        sql - The SQL statement to execute.
        params - Initialize the PreparedStatement's IN parameters with this array.
        rsh - The handler used to create the result object from the ResultSet.
        Returns:
        An object generated by the handler.
        Throws:
        SQLException - if a database access error occurs
      • query

        public <T> T query(String sql,
        ResultSetHandler<T> rsh,
        Object... params)
        throws SQLException
        Executes the given SELECT SQL query and returns a result object. The Connection is retrieved from the DataSource set in the constructor.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        sql - The SQL statement to execute.
        rsh - The handler used to create the result object from the ResultSet.
        params - Initialize the PreparedStatement's IN parameters with this array.
        Returns:
        An object generated by the handler.
        Throws:
        SQLException - if a database access error occurs
      • query

        public <T> T query(String sql,
        ResultSetHandler<T> rsh)
        throws SQLException
        Executes the given SELECT SQL without any replacement parameters. The Connection is retrieved from the DataSource set in the constructor.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        sql - The SQL statement to execute.
        rsh - The handler used to create the result object from the ResultSet.
        Returns:
        An object generated by the handler.
        Throws:
        SQLException - if a database access error occurs
      • update

        public int update(Connection conn,
        String sql)
        throws SQLException
        Execute an SQL INSERT, UPDATE, or DELETE query without replacement parameters.
        Parameters:
        conn - The connection to use to run the query.
        sql - The SQL to execute.
        Returns:
        The number of rows updated.
        Throws:
        SQLException - if a database access error occurs
      • update

        public int update(Connection conn,
        String sql,
        Object param)
        throws SQLException
        Execute an SQL INSERT, UPDATE, or DELETE query with a single replacement parameter.
        Parameters:
        conn - The connection to use to run the query.
        sql - The SQL to execute.
        param - The replacement parameter.
        Returns:
        The number of rows updated.
        Throws:
        SQLException - if a database access error occurs
      • update

        public int update(Connection conn,
        String sql,
        Object... params)
        throws SQLException
        Execute an SQL INSERT, UPDATE, or DELETE query.
        Parameters:
        conn - The connection to use to run the query.
        sql - The SQL to execute.
        params - The query replacement parameters.
        Returns:
        The number of rows updated.
        Throws:
        SQLException - if a database access error occurs
      • update

        public int update(String sql)
        throws SQLException
        Executes the given INSERT, UPDATE, or DELETE SQL statement without any replacement parameters. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
        Parameters:
        sql - The SQL statement to execute.
        Returns:
        The number of rows updated.
        Throws:
        SQLException - if a database access error occurs
      • update

        public int update(String sql,
        Object param)
        throws SQLException
        Executes the given INSERT, UPDATE, or DELETE SQL statement with a single replacement parameter. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
        Parameters:
        sql - The SQL statement to execute.
        param - The replacement parameter.
        Returns:
        The number of rows updated.
        Throws:
        SQLException - if a database access error occurs
      • update

        public int update(String sql,
        Object... params)
        throws SQLException
        Executes the given INSERT, UPDATE, or DELETE SQL statement. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
        Parameters:
        sql - The SQL statement to execute.
        params - Initializes the PreparedStatement's IN (i.e. '?') parameters.
        Returns:
        The number of rows updated.
        Throws:
        SQLException - if a database access error occurs
      • insert

        public <T> T insert(String sql,
        ResultSetHandler<T> rsh)
        throws SQLException
        Executes the given INSERT SQL without any replacement parameters. The Connection is retrieved from the DataSource set in the constructor.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        sql - The SQL statement to execute.
        rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
        Returns:
        An object generated by the handler.
        Throws:
        SQLException - if a database access error occurs
        Since:
        1.6
      • insert

        public <T> T insert(String sql,
        ResultSetHandler<T> rsh,
        Object... params)
        throws SQLException
        Executes the given INSERT SQL statement. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the insert will not be saved.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        sql - The SQL statement to execute.
        rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
        params - Initializes the PreparedStatement's IN (i.e. '?')
        Returns:
        An object generated by the handler.
        Throws:
        SQLException - if a database access error occurs
        Since:
        1.6
      • insert

        public <T> T insert(Connection conn,
        String sql,
        ResultSetHandler<T> rsh)
        throws SQLException
        Execute an SQL INSERT query without replacement parameters.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        conn - The connection to use to run the query.
        sql - The SQL to execute.
        rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
        Returns:
        An object generated by the handler.
        Throws:
        SQLException - if a database access error occurs
        Since:
        1.6
      • insert

        public <T> T insert(Connection conn,
        String sql,
        ResultSetHandler<T> rsh,
        Object... params)
        throws SQLException
        Execute an SQL INSERT query.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        conn - The connection to use to run the query.
        sql - The SQL to execute.
        rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
        params - The query replacement parameters.
        Returns:
        An object generated by the handler.
        Throws:
        SQLException - if a database access error occurs
        Since:
        1.6
      • insertBatch

        public <T> T insertBatch(String sql,
        ResultSetHandler<T> rsh,
        Object[][] params)
        throws SQLException
        Executes the given batch of INSERT SQL statements. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the insert will not be saved.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        sql - The SQL statement to execute.
        rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
        params - Initializes the PreparedStatement's IN (i.e. '?')
        Returns:
        The result generated by the handler.
        Throws:
        SQLException - if a database access error occurs
        Since:
        1.6
      • insertBatch

        public <T> T insertBatch(Connection conn,
        String sql,
        ResultSetHandler<T> rsh,
        Object[][] params)
        throws SQLException
        Executes the given batch of INSERT SQL statements.
        Type Parameters:
        T - The type of object that the handler returns
        Parameters:
        conn - The connection to use to run the query.
        sql - The SQL to execute.
        rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
        params - The query replacement parameters.
        Returns:
        The result generated by the handler.
        Throws:
        SQLException - if a database access error occurs
        Since:
        1.6

QueryRunner的API的更多相关文章

  1. Java实战之04JavaWeb-06DBUtils

    一.DBUtils 1.DBUtils的简介 Commons DbUtils是Apache组织提供的一个对JDBC进行简单封装的开源工具类库,使用它能够简化JDBC应用程序的开发,同时也不会影响程序的 ...

  2. [JavaWeb]关于DBUtils中QueryRunner的一些解读.

    前言:[本文属于原创分享文章, 转载请注明出处, 谢谢.]前面已经有文章说了DBUtils的一些特性, 这里再来详细说下QueryRunner的一些内部实现, 写的有错误的地方还恳请大家指出. Que ...

  3. c3p0和QueryRunner的结合使用,让开发更加简便

    1:DBUtils中的QueryRunner的使用: 1.1:QueryRunner中提供了对SQL语句操作的api: 1.2:主要有三个方法: 1.2.1:query():用于执行select(查询 ...

  4. QueryRunner类实战

    先上一个登录代码---判断登录是否成功 1.c3p0-config.xml <?xml version="1.0" encoding="UTF-8"?&g ...

  5. Java基础-DButils工具类(QueryRunner)详解

    Java基础-DButils工具类(QueryRunner)详解 作者:尹正杰 版权声明:原创作品,谢绝转载!否则将追究法律责任. 如果只使用JDBC进行开发,我们会发现冗余代码过多,为了简化JDBC ...

  6. [JavaWeb]关于DBUtils中QueryRunner的一些解读(转)

    QueryRunner类 QueryRunner中提供对sql语句操作的API它主要有三个方法 query() 用于执行select update() 用于执行insert/update/delete ...

  7. pache—DBUtils框架简介、DbUtils类、QueryRunner类 、ResultSetHandler接口

    Apache—DBUtils框架简介.DbUtils类.QueryRunner类 .ResultSetHandler接口 commons-dbutils 是 Apache 组织提供的一个开源 JDBC ...

  8. 【转载】关于DBUtils中QueryRunner的一些解读

    前面已经有文章说了DBUtils的一些特性, 这里再来详细说下QueryRunner的一些内部实现, 写的有错误的地方还恳请大家指出. QueryRunner类 QueryRunner中提供对sql语 ...

  9. 干货来袭-整套完整安全的API接口解决方案

    在各种手机APP泛滥的现在,背后都有同样泛滥的API接口在支撑,其中鱼龙混杂,直接裸奔的WEB API大量存在,安全性令人堪优 在以前WEB API概念没有很普及的时候,都采用自已定义的接口和结构,对 ...

随机推荐

  1. Java-->一个只能运行十次的程序

    --> 感觉没什么营养的样子啊... package com.dragon.java.tensoftware; import java.io.BufferedReader; import jav ...

  2. TNF-mutithread 编译过程记录

    地址 https://github.com/msng4t/TNF-mutithread 地址 https://github.com/msng4t/TNF 目的:想要寻找一套性能,可读性相对较好的Soc ...

  3. POJ 3233 Matrix Power Series 矩阵快速幂

    设S[k] = A + A^2 +````+A^k. 设矩阵T = A[1] 0 E E 这里的E为n*n单位方阵,0为n*n方阵 令A[k] = A ^ k 矩阵B[k] = A[k+1] S[k] ...

  4. POJ 1321 棋盘问题 --- DFS

    POJ 1321 题目大意:给定一棋盘,在其棋盘区域放置棋子,需保证每行每列都只有一颗棋子. (注意 .不可放 #可放) 解题思路:利用DFS,从第一行开始依次往下遍历,列是否已经放置棋子用一个数组标 ...

  5. Codeforces378 D Kostya the Sculptor(贪心)(逻辑)

    Kostya the Sculptor time limit per test 3 seconds memory limit per test 256 megabytes input standard ...

  6. timus 1136 Parliament(e)

    Parliament Time limit: 1.0 secondMemory limit: 64 MB A new parliament is elected in the state of MMM ...

  7. SVN代码提交冲突解决方案

    SVN代码提交冲突解决方案 1.若你的代码被其他人修改并提交过了,期间你自己也修改过该文件,UPDATE的时候自己代码被覆盖. 右键——>显示日志 查看该文件的更新记录 找到需恢复的版本 右键— ...

  8. URAL-1989 Subpalindromes(单点更新+hash)

    题目大意:给一行字符串,两种操作:change(pos,char),将pos处字符改为char:isPalindrome(i,j),询问[i,j]之间是否为回文字符串. 题目分析:做正反两次字符串哈希 ...

  9. hihoCoder#1014 Trie树 (前缀树)

    题目大意:给一本有n个单词的词典,有m次询问,每次询问的是该词典中有多少个单词有共同的某个前缀. 题目分析:在添加单词建立trie的时候,每经过一个节点就意味着该节点和它的各级祖先节点是某个单词的前缀 ...

  10. zoj3261 带权并查集

    题意:有很多颗星球,各自有武力值,星球间有一些联系通道,现在发生战争,有一些联系通道会被摧毁,而一些星球会通过还没有被摧毁的联系通道直接或者间接联系能够联系到的武力值最高的星球求救,如果有多个武力值都 ...