com.centit.support.database.jsonmaptable

类 MySqlJsonObjectDao

java.lang.Object

com.centit.support.database.jsonmaptable.GeneralJsonObjectDao

com.centit.support.database.jsonmaptable.MySqlJsonObjectDao

所有已实现的接口:

JsonObjectDao

直接已知子类:

H2JsonObjectDao

public class MySqlJsonObjectDao
extends GeneralJsonObjectDao

嵌套类概要

从类继承的嵌套类/接口 com.centit.support.database.jsonmaptable.GeneralJsonObjectDao

GeneralJsonObjectDao.JSONObjectComparator

字段概要

从类继承的字段 com.centit.support.database.jsonmaptable.GeneralJsonObjectDao

logger, SELF_ORDER_BY, TABLE_SORT_FIELD, TABLE_SORT_ORDER

构造器概要

构造器

构造器和说明
MySqlJsonObjectDao()
MySqlJsonObjectDao(Connection conn)
MySqlJsonObjectDao(Connection conn, TableInfo tableInfo)
MySqlJsonObjectDao(TableInfo tableInfo)

方法概要

限定符和类型

方法和说明

Long

getSequenceNextValue(String sequenceName) 要使用这个函数首先需要在数据库中创建一下表和存储过程 DROP TABLE IF EXISTS f_mysql_sequence; CREATE TABLE f_mysql_sequence ( name varchar(50) NOT NULL, currvalue int(11) NOT NULL, increment int(11) NOT NULL DEFAULT '1', primary key (name) ) ENGINE=MyISAM DEFAULT CHARSET=utf8 CHECKSUM=1 DELAY_KEY_WRITE=1 ROW_FORMAT=DYNAMIC COMMENT='序列表，命名s_[table_name]'; DROP FUNCTION IF EXISTS sequence_currval; DELIMITER // CREATE FUNCTION sequence_currval(seq_name VARCHAR(50)) RETURNS int(11) READS SQL DATA DETERMINISTIC BEGIN DECLARE cur_value INTEGER; SET cur_value = 0; SELECT currvalue INTO cur_value FROM f_mysql_sequence WHERE NAME = seq_name; RETURN cur_value; END// DELIMITER ; DROP FUNCTION IF EXISTS sequence_nextval; DELIMITER // CREATE FUNCTION sequence_nextval(seq_name VARCHAR(50)) RETURNS int(11) DETERMINISTIC BEGIN DECLARE cur_value INTEGER; UPDATE f_mysql_sequence SET currvalue = currvalue + increment WHERE NAME = seq_name; SELECT currvalue INTO cur_value FROM f_mysql_sequence WHERE NAME = seq_name; RETURN cur_value; END// DELIMITER ; DROP FUNCTION IF EXISTS sequence_setval; DELIMITER // CREATE FUNCTION sequence_setval(seq_name VARCHAR(50),seq_value int(11)) RETURNS int(11) DETERMINISTIC BEGIN UPDATE f_mysql_sequence SET currvalue = seq_value WHERE NAME = seq_name; RETURN seq_value; END// DELIMITER ;

从类继承的方法 com.centit.support.database.jsonmaptable.GeneralJsonObjectDao

buildCountSqlByProperties, buildFieldSql, buildFieldSqlWithFields, buildFilterSql, buildFilterSqlByPk, buildInsertSql, buildPartFieldSql, buildPartFieldSqlWithFields, buildSelectSqlWithFields, buildUpdateSql, checkHasAllPkColumns, checkHasAllPkColumns, checkNeedUpdate, createJsonObjectDao, createJsonObjectDao, createJsonObjectDao, deleteObjectById, deleteObjects, deleteObjectsAsTabulation, deleteObjectsAsTabulation, deleteObjectsByProperties, doExecuteNamedSql, doExecuteSql, doExecuteSql, fetchObjectsCount, fetchSelfOrderSql, fetchSelfOrderSql, findObjectsAsJSON, findObjectsAsJSON, findObjectsByNamedSql, findObjectsByNamedSql, findObjectsByNamedSql, findObjectsByNamedSqlAsJSON, findObjectsByNamedSqlAsJSON, findObjectsBySql, findObjectsBySql, findObjectsBySql, getConnect, getObjectById, getObjectByProperties, getSimulateSequenceNextValue, getTableInfo, insertObjectsAsTabulation, listObjectsByProperties, listObjectsByProperties, makePkFieldMap, mapFieldToColumnPiece, mapObjectProperties, mapObjectProperties, mergeObject, mergeObject, replaceObjectsAsTabulation, replaceObjectsAsTabulation, replaceObjectsAsTabulation, saveNewObject, setConnect, setTableInfo, updateObject, updateObject, updateObjectsByProperties, updateObjectsByProperties

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

MySqlJsonObjectDao

public MySqlJsonObjectDao()

MySqlJsonObjectDao

public MySqlJsonObjectDao(Connection conn)

MySqlJsonObjectDao

public MySqlJsonObjectDao(TableInfo tableInfo)

MySqlJsonObjectDao

public MySqlJsonObjectDao(Connection conn,
                          TableInfo tableInfo)

方法详细资料

getSequenceNextValue

public Long getSequenceNextValue(String sequenceName)
                          throws SQLException,
                                 IOException

要使用这个函数首先需要在数据库中创建一下表和存储过程

DROP TABLE IF EXISTS f_mysql_sequence;

CREATE TABLE f_mysql_sequence ( name varchar(50) NOT NULL, currvalue int(11) NOT NULL, increment int(11) NOT NULL DEFAULT '1', primary key (name) ) ENGINE=MyISAM DEFAULT CHARSET=utf8 CHECKSUM=1 DELAY_KEY_WRITE=1 ROW_FORMAT=DYNAMIC COMMENT='序列表，命名s_[table_name]';

DROP FUNCTION IF EXISTS sequence_currval;

DELIMITER //

CREATE FUNCTION sequence_currval(seq_name VARCHAR(50)) RETURNS int(11) READS SQL DATA DETERMINISTIC BEGIN DECLARE cur_value INTEGER; SET cur_value = 0; SELECT currvalue INTO cur_value FROM f_mysql_sequence WHERE NAME = seq_name; RETURN cur_value; END//

DELIMITER ;

DROP FUNCTION IF EXISTS sequence_nextval;

DELIMITER //

CREATE FUNCTION sequence_nextval(seq_name VARCHAR(50)) RETURNS int(11) DETERMINISTIC BEGIN DECLARE cur_value INTEGER; UPDATE f_mysql_sequence SET currvalue = currvalue + increment WHERE NAME = seq_name; SELECT currvalue INTO cur_value FROM f_mysql_sequence WHERE NAME = seq_name; RETURN cur_value; END//

DELIMITER ;

DROP FUNCTION IF EXISTS sequence_setval;

DELIMITER //

CREATE FUNCTION sequence_setval(seq_name VARCHAR(50),seq_value int(11)) RETURNS int(11) DETERMINISTIC BEGIN UPDATE f_mysql_sequence SET currvalue = seq_value WHERE NAME = seq_name; RETURN seq_value; END//

DELIMITER ;

参数:

sequenceName - 序列名称

返回:

返回当前序列

抛出:

SQLException - SQLException

IOException - IOException