Merge pull request #2179 from 466974367/master

增加TDengine 对Decimal类型支持

Author: 2881099

Providers/FreeSql.Provider.TDengine/TDengineCodeFirst.cs

@@ -61,6 +61,8 @@ public TDengineCodeFirst(IFreeSql orm, CommonUtils commonUtils, CommonExpression
             { typeof(float?).FullName, CsToDb.New(DbType.Single, "FLOAT", "FLOAT", null, true, null) },
             { typeof(double).FullName, CsToDb.New(DbType.Double, "DOUBLE", "DOUBLE", null, false, 0) },
             { typeof(double?).FullName, CsToDb.New(DbType.Double, "DOUBLE", "DOUBLE", null, true, null) },
+            { typeof(decimal).FullName, CsToDb.New(DbType.Single, "DECIMAL", "DECIMAL(36,18)", null, false, 0) },
+            { typeof(decimal?).FullName, CsToDb.New(DbType.Single, "DECIMAL", "DECIMAL(36,18)", null, true, null) },
             { typeof(string).FullName, CsToDb.New(DbType.String, "NCHAR", "NCHAR(255)", null, false, 0) },
         };
 
@@ -323,4 +325,4 @@ private object HandleTagValue(object tagValue)
             }
         }
     }
-}
+}