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- 增加 FreeSql.Provider.OracleOledb 解决US7ASCII 中文乱码问题；

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2881099
2022-08-23 01:28:47 +08:00
parent 4d91d87660
commit 25b98f2fe9
13 changed files with 590 additions and 36 deletions
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97
Providers/FreeSql.Provider.Oracle/OracleDbFirst.cs
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@ -1,7 +1,11 @@
using FreeSql.DatabaseModel;
using FreeSql.Internal;
using FreeSql.Internal.Model;
#if oledb
using System.Data.OleDb;
#else
using Oracle.ManagedDataAccess.Client;
#endif
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
@ -25,6 +29,98 @@ namespace FreeSql.Oracle
}
public int GetDbType(DbColumnInfo column) => (int)GetSqlDbType(column);
#if oledb
OleDbType GetSqlDbType(DbColumnInfo column)
{
var dbfull = column.DbTypeTextFull?.ToLower();
switch (dbfull)
{
case "number(1)": return OleDbType.Boolean;
case "number(4)": return OleDbType.TinyInt;
case "number(6)": return OleDbType.SmallInt;
case "number(11)": return OleDbType.Integer;
case "number(21)": return OleDbType.BigInt;
case "number(3)": return OleDbType.UnsignedTinyInt;
case "number(5)": return OleDbType.UnsignedSmallInt;
case "number(10)": return OleDbType.UnsignedInt;
case "number(20)": return OleDbType.UnsignedBigInt;
case "float(126)": return OleDbType.Double;
case "float(63)": return OleDbType.Single;
case "number(10,2)": return OleDbType.Decimal;
case "interval day(2) to second(6)": return OleDbType.DBTime;
case "timestamp(6)": return OleDbType.DBTime;
case "timestamp(6) with local time zone": return OleDbType.DBTimeStamp;
case "blob": return OleDbType.VarBinary;
case "nvarchar2(255)": return OleDbType.VarChar;
case "char(36 char)": return OleDbType.Char;
}
switch (column.DbTypeText?.ToLower())
{
case "number":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["number(10,2)"]);
return OleDbType.Decimal;
case "float":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["float(126)"]);
return OleDbType.Double;
case "interval day to second":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["interval day(2) to second(6)"]);
return OleDbType.DBTime;
case "date":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["date"]);
return OleDbType.DBTime;
case "timestamp":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["timestamp(6)"]);
return OleDbType.DBTime;
case "timestamp with local time zone":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["timestamp(6) with local time zone"]);
return OleDbType.DBTimeStamp;
case "blob":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["blob"]);
return OleDbType.VarBinary;
case "nvarchar2":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OleDbType.VarChar;
case "varchar2":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OleDbType.VarChar;
case "char":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OleDbType.Char;
case "nchar":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OleDbType.Char;
case "clob":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OleDbType.VarChar;
case "nclob":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OleDbType.VarChar;
case "raw":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["blob"]);
return OleDbType.VarBinary;
case "long raw":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["blob"]);
return OleDbType.VarBinary;
case "binary_float":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["float(63)"]);
return OleDbType.Single;
case "binary_double":
_dicDbToCs.TryAdd(dbfull, _dicDbToCs["float(126)"]);
return OleDbType.Double;
case "rowid":
default:
if (dbfull != null) _dicDbToCs.TryAdd(dbfull, _dicDbToCs["nvarchar2(255)"]);
return OleDbType.VarChar;
}
throw new NotImplementedException(CoreStrings.S_TypeMappingNotImplemented(column.DbTypeTextFull));
}
#else
OracleDbType GetSqlDbType(DbColumnInfo column)
{
var dbfull = column.DbTypeTextFull?.ToLower();
@ -115,6 +211,7 @@ namespace FreeSql.Oracle
}
throw new NotImplementedException(CoreStrings.S_TypeMappingNotImplemented(column.DbTypeTextFull));
}
#endif
static ConcurrentDictionary<string, DbToCs> _dicDbToCs = new ConcurrentDictionary<string, DbToCs>(StringComparer.CurrentCultureIgnoreCase);
static OracleDbFirst()