/// <summary>
/// 获取插入语法
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override object InsertObject <T>(DbContextInner dbContext, T obj)
{
Type type = obj.GetType();
var helper = dbContext.DBHelper;
var table = TypeCache.GetTable(type);
var primaryKey = table.PrimaryKey;
object id;
if (primaryKey.KeepIdentity)
{
id = primaryKey.GetValue(obj);
}
else
{
string sequenceName = string.Format("{0}_sequence", table.TableName);
var sqlGetIndex = string.Format("select {0}.nextval from dual", sequenceName);//oracle不能同时执行多条语句
id = SqlStopWatch.ExecScalar(helper, sqlGetIndex);
primaryKey.SetValue(obj, Convert.ChangeType(id, primaryKey.PropertyType));
}
var sql = GetInsertSql(dbContext, table, obj);
//helper.SetParam(primaryKey.MapingName, id);
SqlStopWatch.Execute(helper, sql);
//var helper2 = helper as OracleHelper;
//int id = helper2.Insert(sql,sequenceName);
return(id);
}
/// <summary>
/// 创建表
/// </summary>
/// <param name="fields"></param>
/// <param name="tableName"></param>
public override void CreateTable(DbContextInner dbContext, List <Attribute.FieldInnerAttribute> fields, string tableName)
{
var helper = dbContext.DBHelper;
var lines = new List <string>();
//tableName = tableName.ToUpper();
string script = string.Format("create table {0}(\r\n", tableName);
List <string> list2 = new List <string>();
string primaryKey = "id";
foreach (Attribute.FieldInnerAttribute item in fields)
{
if (item.IsPrimaryKey)
{
primaryKey = item.MapingName;
}
var columnType = GetDBColumnType(item.PropertyType);
string nullStr = item.NotNull ? "NOT NULL" : "";
string str = string.Format("{0} {1} {2} ", item.MapingName, item.ColumnType, nullStr);
list2.Add(str);
}
script += string.Join(",\r\n", list2.ToArray());
script += ")";
string sequenceName = string.Format("{0}_sequence", tableName);
string triggerName = string.Format("{0}_trigge", tableName);
string sequenceScript = string.Format("Create Sequence {0} MINVALUE 1 MAXVALUE 999999999999 INCREMENT BY 1 START WITH 1 NOCACHE CYCLE", sequenceName);
string triggerScript = string.Format(@"
create or replace trigger {0}
before insert on {1}
for each row
declare
nextid number;
begin
IF :new.{3} IS NULL or :new.{3}=0 THEN
select {2}.nextval
into nextid
from sys.dual;
:new.{3}:=nextid;
end if;
end ;", triggerName, tableName, sequenceName, primaryKey);
lines.Add(sequenceScript);
//defaultValues.Add(triggerScript); 暂不用触发器,不能编译成功
//script += script2;
helper.SetParam("script", script);
helper.Run("sp_ExecuteScript");
//helper.SetParam("script", sequenceScript);
//helper.Run("sp_ExecuteScript");
//helper.SetParam("script", triggerScript);
//helper.Run("sp_ExecuteScript");
foreach (string s in lines)
{
try
{
helper.Execute(s);
}
catch (System.Exception ero) { };
}
}
bool PackageTrans(DbContextInner dbContext, TransMethod method, out string error, System.Data.IsolationLevel isolationLevel = System.Data.IsolationLevel.ReadCommitted)
{
error = "";
var db = DBExtendFactory.CreateDBExtend(dbContext);
db.BeginTran(isolationLevel);
bool result;
try
{
result = method(out error);
if (!result)
{
db.RollbackTran();
return(false);
}
db.CommitTran();
}
catch (Exception ero)
{
error = "提交事务时发生错误:" + ero.Message;
db.RollbackTran();
return(false);
}
return(result);
}
/// <summary>
/// 创建表脚本
/// </summary>
/// <param name="fields"></param>
/// <param name="tableName"></param>
/// <returns></returns>
public override void CreateTable(DbContextInner dbContext, List <Attribute.FieldInnerAttribute> fields, string tableName)
{
var helper = dbContext.DBHelper;
var defaultValues = new List <string>();
string script = string.Format("create table {0}(\r\n", KeyWordFormat(tableName));
List <string> list2 = new List <string>();
foreach (Attribute.FieldInnerAttribute item in fields)
{
string nullStr = item.NotNull ? "NOT NULL" : "";
var columnType = GetDBColumnType(item.PropertyType);
string str = string.Format("{0} {1} {2} ", KeyWordFormat(item.MapingName), item.ColumnType, nullStr);
list2.Add(str);
}
script += string.Join(",\r\n", list2.ToArray());
script += ") charset utf8 collate utf8_general_ci;";
helper.Execute(script);
foreach (string s in defaultValues)
{
if (!string.IsNullOrEmpty(s))
{
helper.Execute(s);
}
}
}
public static ILambdaQuery <T> GetLambdaQuery <T>(this DbContext dbContext) where T : class
{
var helper = getDBHelper(dbContext);
var db = new DbContextInner(helper, new DBLocation());
var query = LambdaQueryFactory.CreateLambdaQuery <T>(db);
return(query);
}
internal override DbContextInner GetDbContext()
{
dbLocation.ManageName = ManageName;
var helper = DBConfigRegister.GetDBHelper(dbLocation);
var dbContext = new DbContextInner(helper, dbLocation);
dbContext.UseSharding = true;
return(dbContext);
}
protected string GetInsertSql(DbContextInner dbContext, Attribute.TableInnerAttribute table, object obj, bool fillParame = true)
{
Type type = obj.GetType();
var key = string.Format("{0}_{1}", type, fillParame);
var helper = dbContext.DBHelper;
var tableName = table.TableName;
//var primaryKey = table.PrimaryKey;
var typeArry = table.Fields;
//var reflect = ReflectionHelper.GetInfo<T>();
string sql;
var cached = insertSqlCache.TryGetValue(key, out sql);
if (!cached)
{
sql = string.Format("insert into {0}(", KeyWordFormat(tableName));
}
string sql1 = "";
string sql2 = "";
foreach (Attribute.FieldInnerAttribute info in typeArry)
{
string name = info.MapingName;
if (info.IsPrimaryKey && !info.KeepIdentity && DBType != DBType.ORACLE)
{
continue;
}
object value = info.GetValue(obj);
value = ObjectConvert.CheckNullValue(value, info.PropertyType);
if (!cached)
{
sql1 += string.Format("{0},", FieldNameFormat(info));
if (fillParame)
{
var par = GetParamName(name, "");
sql2 += string.Format("{0},", par);//@{0}
}
}
if (fillParame)
{
helper.AddParam(name, value);
}
}
if (!cached)
{
sql1 = sql1.Substring(0, sql1.Length - 1) + ") values";
sql += sql1;
if (fillParame)
{
sql2 = sql2.Substring(0, sql2.Length - 1);
sql += "( " + sql2 + ")";
}
//sql = SqlFormat(sql);
insertSqlCache.TryAdd(key, sql);
}
return(sql);
}
public static IAbsDBExtend GetDBExtend(this DbContext dbContext)
{
var helper = getDBHelper(dbContext);
var dbContext2 = new DbContextInner(helper, new DBLocation()
{
});
return(DBExtendFactory.CreateDBExtend(dbContext2));
}
public MongoDBAdapter(DbContextInner _dbContext)
: base(_dbContext)
{
if (!inited)
{
inited = true;
//var serializer = new DateTimeSerializer(DateTimeKind.Local, BsonType.DateTime);
//BsonSerializer.RegisterSerializer(typeof(DateTime), serializer);
}
}
/// <summary>
/// 批量插入,mysql不支持批量插入
/// </summary>
/// <param name="details"></param>
/// <param name="keepIdentity"></param>
public override void BatchInsert(DbContextInner dbContext, System.Collections.IList details, bool keepIdentity = false)
{
var helper = dbContext.DBHelper;
foreach (var item in details)
{
helper.ClearParams();
InsertObject(dbContext, item as IModel);
}
}
DbContextInner getDbContext(string manageName)
{
var dbLocation = new CRL.DBLocation()
{
DataAccessType = DataAccessType.Default, ManageType = GetType(), ManageName = manageName
};
var helper = DBConfigRegister.GetDBHelper(dbLocation);
var dbContext = new DbContextInner(helper, dbLocation);
return(dbContext);
}
/// <summary>
/// lambda查询
/// </summary>
/// <param name="_dbContext"></param>
/// <param name="_useTableAliasesName">查询是否生成表别名,在更新和删除时用</param>
public LambdaQuery(DbContextInner _dbContext, bool _useTableAliasesName = true) : base()
{
__DbContext = _dbContext;
__MainType = typeof(T);
__DBAdapter = DBAdapter.DBAdapterBase.GetDBAdapterBase(_dbContext);
__UseTableAliasesName = _useTableAliasesName;
GetPrefix(__MainType);
__Visitor = new ExpressionVisitor(this);
//TypeCache.SetDBAdapterCache(typeof(T), dBAdapter);
QueryTableName = TypeCache.GetTableName(__MainType, __DbContext);
startTime = DateTime.Now;
}
/// <summary>
/// 根据数据库类型获取适配器
/// </summary>
/// <param name="dbContext"></param>
/// <returns></returns>
public static DBAdapterBase GetDBAdapterBase(DbContextInner dbContext)
{
DBAdapterBase db = null;
var a = DBAdapterBaseCache.TryGetValue(dbContext.DBHelper.CurrentDBType, out db);
if (a)
{
return(db);
}
db = DBConfigRegister.GetDBAdapterBase(dbContext);
DBAdapterBaseCache.Add(dbContext.DBHelper.CurrentDBType, db);
return(db);
}
/// <summary>
/// 创建表脚本
/// </summary>
/// <param name="fields"></param>
/// <param name="tableName"></param>
/// <returns></returns>
public override void CreateTable(DbContextInner dbContext, List <Attribute.FieldInnerAttribute> fields, string tableName)
{
var defaultValues = new List <string>();
string script = string.Format("create table [{0}] (\r\n", tableName);
List <string> list2 = new List <string>();
string primaryKey = "";
foreach (Attribute.FieldInnerAttribute item in fields)
{
if (item.IsPrimaryKey)
{
primaryKey = item.MapingName;
}
string nullStr = item.NotNull ? "NOT NULL" : "";
string str = string.Format("[{0}] {1} {2} ", item.MapingName, item.ColumnType, nullStr);
list2.Add(str);
//生成默认值语句
if (!string.IsNullOrEmpty(item.DefaultValue))
{
string v = string.Format("ALTER TABLE [dbo].[{0}] ADD CONSTRAINT [DF_{0}_{1}] DEFAULT ({2}) FOR [{1}]", tableName, item.MapingName, item.DefaultValue);
defaultValues.Add(v);
}
}
script += string.Join(",\r\n", list2.ToArray());
if (!string.IsNullOrEmpty(primaryKey))
{
script += string.Format(@" CONSTRAINT [PK_{0}] PRIMARY KEY CLUSTERED
(
[{1}] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
", tableName, primaryKey);
}
script += ") ON [PRIMARY]";
//var list3 = GetIndexScript();
//defaultValues.AddRange(list3);
var helper = dbContext.DBHelper;
helper.Execute(script);
foreach (string s in defaultValues)
{
if (!string.IsNullOrEmpty(s))
{
helper.Execute(s);
}
}
}
/// <summary>
/// 批量插入
/// </summary>
/// <param name="details"></param>
/// <param name="keepIdentity"></param>
public override void BatchInsert(DbContextInner dbContext, System.Collections.IList details, bool keepIdentity = false)
{
if (details.Count == 0)
{
return;
}
var type = details[0].GetType();
var table = TypeCache.GetTable(type);
var tableName = KeyWordFormat(table.TableName);
var helper = dbContext.DBHelper;
var sb = new StringBuilder();
GetSelectTop(sb, "*", b =>
{
b.Append(" from " + tableName + " where 1=0");
}, "", 1);
var sql = sb.ToString();
var tempTable = helper.ExecDataTable(sql);
var typeArry = table.Fields;
foreach (var item in details)
{
var dr = tempTable.NewRow();
foreach (Attribute.FieldInnerAttribute info in typeArry)
{
string name = info.MapingName;
object value = info.GetValue(item);
if (!keepIdentity)
{
if (info.IsPrimaryKey)
{
continue;
}
}
var value2 = ObjectConvert.CheckNullValue(value, info.PropertyType);
dr[name] = value2;
}
tempTable.Rows.Add(dr);
}
helper.InsertFromDataTable(tempTable, tableName, keepIdentity);
}
/// <summary>
/// 获取插入语法
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override object InsertObject <T>(DbContextInner dbContext, T obj)
{
Type type = obj.GetType();
var helper = dbContext.DBHelper;
var table = TypeCache.GetTable(type);
var primaryKey = table.PrimaryKey;
var sql = GetInsertSql(dbContext, table, obj);
if (primaryKey.KeepIdentity)
{
SqlStopWatch.Execute(helper, sql);
return(primaryKey.GetValue(obj));
}
else
{
sql += ";SELECT LAST_INSERT_ID();";
return(SqlStopWatch.ExecScalar(helper, sql));
}
}
public static LambdaQuery <T> CreateLambdaQuery <T>(DbContextInner _dbContext) where T : class
{
//var configBuilder = DBConfigRegister.current;
var _DBType = _dbContext.DBHelper.CurrentDBType;
if (_DBType != DBType.MongoDB)
{
return(new RelationLambdaQuery <T>(_dbContext));
}
var type = typeof(T);
var a = mongoQueryCreaters.TryGetValue(type, out object creater);
if (!a)
{
var typeMongo = DBConfigRegister.GetLambdaQueryType(DBType.MongoDB);
var genericType = typeMongo.MakeGenericType(typeof(T));
creater = Core.DynamicMethodHelper.CreateCtorFunc <Func <DbContextInner, LambdaQuery <T> > >(genericType, new Type[] { typeof(DbContextInner) });
mongoQueryCreaters.TryAdd(type, creater);
}
var func = (Func <DbContextInner, LambdaQuery <T> >)creater;
return(func(_dbContext));
}
public override void BatchInsert(DbContextInner dbContext, System.Collections.IList details, bool keepIdentity = false)
{
throw new NotImplementedException();
}
internal DbEntity(DbContextInner dbContext, Expression <Func <T, bool> > relationExp)
{
_dbContext = dbContext;
_relationExp = relationExp;
}
/// <summary>
/// lambda查询
/// </summary>
/// <param name="_dbContext"></param>
public MongoDBLambdaQuery(DbContextInner _dbContext)
: base(_dbContext, false)
{
}
/// <summary>
/// lambda查询
/// </summary>
/// <param name="_dbContext"></param>
/// <param name="_useTableAliasesName">查询是否生成表别名,在更新和删除时用</param>
public RelationLambdaQuery(DbContextInner _dbContext, bool _useTableAliasesName = true)
: base(_dbContext, _useTableAliasesName)
{
}
public DBAdapterBase(DbContextInner _dbContext)
{
//dbContext = _dbContext;
//helper = dbContext.DBHelper;
dbType = _dbContext.DBHelper.CurrentDBType;
}
public MSSQL2000DBAdapter(DbContextInner _dbContext)
: base(_dbContext)
{
}
/// <summary> /// 插入对象 /// </summary> /// <param name="obj"></param> /// <returns></returns> public abstract object InsertObject <T>(DbContextInner dbContext, T obj);
/// <summary> /// 批量插入方法 /// </summary> /// <param name="details"></param> /// <param name="keepIdentity">否保持自增主键</param> public abstract void BatchInsert(DbContextInner dbContext, System.Collections.IList details, bool keepIdentity = false);
/// <summary> /// 创建表 /// </summary> /// <param name="fields"></param> /// <param name="tableName"></param> public abstract void CreateTable(DbContextInner dbContext, List <Attribute.FieldInnerAttribute> fields, string tableName);
public DbSet(string name, DbContextInner dbContext)
{
_dbContext = dbContext;
_dbContext._DbSets.Add(name, this);
}
//static System.Collections.Concurrent.ConcurrentDictionary <string, DataTable> cacheTables = new System.Collections.Concurrent.ConcurrentDictionary<string, DataTable>();
/// <summary>
/// 批量插入
/// </summary>
/// <param name="details"></param>
/// <param name="keepIdentity"></param>
public override void BatchInsert(DbContextInner dbContext, System.Collections.IList details, bool keepIdentity = false)
{
if (details.Count == 0)
{
return;
}
var type = details[0].GetType();
var table = TypeCache.GetTable(type);
var tableName = KeyWordFormat(table.TableName);
var helper = dbContext.DBHelper;
//DataTable tempTable;
//var key = string.Format("{0}_{1}", dbContext.DBHelper.DatabaseName, type.Name);
//if (!cacheTables.ContainsKey(key))
//{
// var sb = new StringBuilder();
// GetSelectTop(sb,"*", b=>
// {
// b.Append(" from " + tableName + " where 1=0");
// }, "", 1);
// var sql = sb.ToString();
// var tempTable2 = helper.ExecDataTable(sql);
// //cacheTables.TryAdd(key, tempTable2);//暂每次动态查询
// tempTable = tempTable2.Clone();//创建一个副本
//}
//else
//{
// tempTable = cacheTables[key].Clone();
//}
var sb = new StringBuilder();
GetSelectTop(sb, "*", b =>
{
b.Append(" from " + tableName + " where 1=0");
}, "", 1);
var sql = sb.ToString();
var tempTable = helper.ExecDataTable(sql);
////字段顺序得和表一至,不然插入出错
//DataTable tempTable = new DataTable() { TableName = tableName };
//foreach (var f in table.Fields)
//{
// var column = new DataColumn() { ColumnName = f.MapingName, DataType = f.PropertyType, AllowDBNull = true };
// tempTable.Columns.Add(column);
//}
var typeArry = table.Fields;
foreach (var item in details)
{
DataRow dr = tempTable.NewRow();
foreach (Attribute.FieldInnerAttribute info in typeArry)
{
string name = info.MapingName;
object value = info.GetValue(item);
if (!keepIdentity)
{
if (info.IsPrimaryKey)
{
continue;
}
}
var value2 = ObjectConvert.CheckNullValue(value, info.PropertyType);
dr[name] = value2;
}
tempTable.Rows.Add(dr);
}
helper.InsertFromDataTable(tempTable, tableName, keepIdentity);
}
public MongoDBExt(DbContextInner _dbContext)
: base(_dbContext)
{
}
public ORACLEDBAdapter(DbContextInner _dbContext)
: base(_dbContext)
{
}
