sqlsugar/Src/OracleUS7ASCII/SqlSugar/Realization/Oracle/SqlBuilder/OracleUpdateBuilder.cs

138 lines
5.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SqlSugar
{
public class OracleUpdateBuilder : UpdateBuilder
{
protected override string TomultipleSqlString(List<IGrouping<int, DbColumnInfo>> groupList)
{
if (groupList.Count == 0)
{
return " select 0 from dual";
}
StringBuilder sb = new StringBuilder();
sb.AppendLine("Begin");
sb.AppendLine(string.Join("\r\n", groupList.Select(t =>
{
var updateTable = string.Format("UPDATE {0} SET", base.GetTableNameStringNoWith);
var setValues = string.Join(",", t.Where(s => !s.IsPrimarykey).Select(m => GetOracleUpdateColums(m)).ToArray());
var pkList = t.Where(s => s.IsPrimarykey).ToList();
List<string> whereList = new List<string>();
foreach (var item in pkList)
{
var isFirst = pkList.First() == item;
var whereString = isFirst ? " " : " AND ";
whereString += GetOracleUpdateColums(item);
whereList.Add(whereString);
}
return string.Format("{0} {1} WHERE {2};", updateTable, setValues, string.Join("",whereList));
}).ToArray()));
sb.AppendLine("End;");
return sb.ToString();
}
private string GetOracleUpdateColums(DbColumnInfo m)
{
return string.Format("\"{0}\"={1}", m.DbColumnName.ToUpper(IsUppper), base.GetDbColumn(m,FormatValue(m.Value,m.IsPrimarykey,m.PropertyName)));
}
int i = 0;
public object FormatValue(object value,bool isPrimaryKey,string name)
{
if (value == null)
{
return "NULL";
}
else
{
string N =this.Context.GetN();
if (isPrimaryKey)
{
N = "";
}
var type = UtilMethods.GetUnderType(value.GetType());
if (type == UtilConstants.DateType)
{
var date = value.ObjToDate();
if (date < UtilMethods.GetMinDate(this.Context.CurrentConnectionConfig))
{
date = UtilMethods.GetMinDate(this.Context.CurrentConnectionConfig);
}
if (this.Context.CurrentConnectionConfig?.MoreSettings?.DisableMillisecond == true)
{
return "to_date('" + date.ToString("yyyy-MM-dd HH:mm:ss") + "', 'YYYY-MM-DD HH24:MI:SS') ";
}
else
{
return "to_timestamp('" + date.ToString("yyyy-MM-dd HH:mm:ss.ffffff") + "', 'YYYY-MM-DD HH24:MI:SS.FF') ";
}
}
else if (type.IsEnum())
{
return Convert.ToInt64(value);
}
else if (type.IsIn(UtilConstants.IntType,UtilConstants.LongType,UtilConstants.ShortType))
{
return value;
}
else if (type==UtilConstants.GuidType)
{
return "'" + value.ToString() + "'";
}
else if (type == UtilConstants.ByteArrayType)
{
string bytesString = "0x" + BitConverter.ToString((byte[])value).Replace("-", "");
return bytesString;
}
else if (type == UtilConstants.BoolType)
{
return value.ObjToBool() ? "1" : "0";
}
else if (type == UtilConstants.DateTimeOffsetType)
{
var date = UtilMethods.ConvertFromDateTimeOffset((DateTimeOffset)value);
return "to_timestamp('" + date.ToString("yyyy-MM-dd HH:mm:ss.ffffff") + "', 'YYYY-MM-DD HH24:MI:SS.FF') ";
}
else if (type == UtilConstants.StringType || type == UtilConstants.ObjType)
{
//if (value.ToString().Length > 1000)
//{
++i;
var parameterName = this.Builder.SqlParameterKeyWord + name + i;
this.Parameters.Add(new SugarParameter(parameterName, value));
return parameterName;
//}
//else
//{
// return N + "'" + value.ToString().ToSqlFilter() + "'";
//}
}
else
{
return N + "'" + value.ToString() + "'";
}
}
}
#region Helper
public bool IsUppper
{
get
{
if (this.Context.CurrentConnectionConfig.MoreSettings == null)
{
return true;
}
else
{
return this.Context.CurrentConnectionConfig.MoreSettings.IsAutoToUpper == true;
}
}
}
#endregion
}
}