78 lines
2.9 KiB
C#
78 lines
2.9 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace SqlSugar
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{
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public class SqliteUpdateBuilder : UpdateBuilder
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{
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protected override string TomultipleSqlString(List<IGrouping<int, DbColumnInfo>> groupList)
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{
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StringBuilder sb = new StringBuilder();
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sb.AppendLine(string.Join("\r\n", groupList.Select(t =>
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{
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var updateTable = string.Format("UPDATE {0} SET", base.GetTableNameStringNoWith);
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var setValues = string.Join(",", t.Where(s => !s.IsPrimarykey).Select(m => GetOracleUpdateColums(m)).ToArray());
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var pkList = t.Where(s => s.IsPrimarykey).ToList();
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List<string> whereList = new List<string>();
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foreach (var item in pkList)
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{
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var isFirst = pkList.First() == item;
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var whereString = "";
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whereString += GetOracleUpdateColums(item);
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whereList.Add(whereString);
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}
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return string.Format("{0} {1} WHERE {2};", updateTable, setValues, string.Join("AND", whereList));
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}).ToArray()));
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return sb.ToString();
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}
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private string GetOracleUpdateColums(DbColumnInfo m)
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{
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return string.Format("\"{0}\"={1}", m.DbColumnName.ToUpper(), FormatValue(m.Value));
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}
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public override object FormatValue(object value)
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{
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if (value == null)
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{
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return "NULL";
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}
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else
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{
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var type = UtilMethods.GetUnderType(value.GetType());
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if (type == UtilConstants.DateType)
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{
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var date = value.ObjToDate();
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if (date < Convert.ToDateTime("1900-1-1"))
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{
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date = Convert.ToDateTime("1900-1-1");
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}
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return "'" + date.ToString("yyyy-MM-dd HH:mm:ss.fff") + "'";
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}
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else if (type.IsEnum())
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{
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return Convert.ToInt64(value);
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}
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else if (type == UtilConstants.ByteArrayType)
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{
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string bytesString = "0x" + BitConverter.ToString((byte[])value);
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return bytesString;
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}
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else if (type == UtilConstants.BoolType)
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{
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return value.ObjToBool() ? "1" : "0";
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}
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else if (type == UtilConstants.StringType || type == UtilConstants.ObjType)
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{
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return "'" + value.ToString().ToSqlFilter() + "'";
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}
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else
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{
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return "'" + value.ToString() + "'";
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}
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}
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}
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}
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}
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