/**
* 删除,表名不能使用占位符
*
* @author: huylee
* @time: 2015-8-20下午10:18:01
* @param sql 删除语句(参数使用占位符)
* @param args 占位符参数
*/
@SuppressLint("NewApi")
public void updateOrDelete(String sql, Object[] args) {
SQLiteStatement statement = mSQLiteDataBase.compileStatement(sql);
try {
if (args != null) {
for (int i = 0; i < args.length; i++) {
bindArgs(statement, i + 1, args[i]);
}
}
DBLog.debug(sql, args);
statement.executeUpdateDelete();
} finally {
statement.close();
}
}
/**
* 插入一条记录，返回该记录的rowId Author: hyl Time: 2015-8-17上午11:55:55
*
* @param sql
* @param args
* @return 插入失败返回-1，成功返回rowId
*/
public long insert(String sql, Object[] args) {
long rowId = -1;
SQLiteStatement statement = this.mSQLiteDataBase.compileStatement(sql);
try {
if (args != null) {
for (int i = 0; i < args.length; i++) {
bindArgs(statement, i + 1, args[i]);
}
}
rowId = statement.executeInsert();
DBLog.debug(sql, args);
} finally {
statement.close();
}
return rowId;
}
/**
* 执行绑定语句 Author: hyl Time: 2015-8-16下午8:26:34
*
* @param sql
* @param whereArgs
* @return
*/
public Cursor query(String sql, String[] whereArgs) {
DBLog.debug("{SQL：" + sql + "，PARAMS：" + whereArgs + "}");
return this.mSQLiteDataBase.rawQuery(sql, whereArgs);
}
/**
* 删除(对于表名需要动态获取的，此方法非常适合)
*
* @author: huylee
* @time: 2015-8-20下午10:22:32
* @param tableName 要删除的数据表
* @param whereClause where后面的条件句(delete from XXX where XXX)，参数使用占位符
* @param whereArgs where子句后面的占位符参数
*/
public void delete(String tableName, String whereClause, String[] whereArgs) {
DBLog.debug(
"{SQL：DELETE FROM " + tableName + " WHERE " + whereClause + "，PARAMS：" + whereArgs + "}");
mSQLiteDataBase.delete(tableName, whereClause, whereArgs);
}
/**
* 执行指定无返回值的单条SQL语句，如建表、创建数据库等 Author: hyl Time: 2015-8-14下午11:05:03
*
* @param sql
*/
public void execSQL(String sql) {
DBLog.debug(sql);
this.mSQLiteDataBase.execSQL(sql);
}
