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设置所有类型的默认精度和位数，用不到的默认值为0

This commit is contained in:
智能大石头 2025-07-31 22:39:21 +08:00
parent 00b88f316c
commit 5016e72b2a
1 changed files with 14 additions and 2 deletions
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16
XCode/DataAccessLayer/Model/ModelHelper.cs
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@ -784,6 +784,8 @@ public static class ModelHelper
case TypeCode.Boolean:
dc.RawType = "bit";
dc.Nullable = false;
dc.Precision = 0;
dc.Scale = 0;
break;
case TypeCode.Byte:
case TypeCode.Char:
@ -791,28 +793,34 @@ public static class ModelHelper
dc.RawType = "tinyint";
dc.Nullable = false;
dc.Precision = 3;
dc.Scale = 0;
break;
case TypeCode.DateTime:
dc.RawType = "datetime";
dc.Nullable = true;
dc.Precision = 0;
dc.Scale = 0;
break;
case TypeCode.Int16:
case TypeCode.UInt16:
dc.RawType = "smallint";
dc.Nullable = false;
dc.Precision = 5;
dc.Scale = 0;
break;
case TypeCode.Int32:
case TypeCode.UInt32:
dc.RawType = "int";
dc.Nullable = false;
dc.Precision = 10;
dc.Scale = 0;
break;
case TypeCode.Int64:
case TypeCode.UInt64:
dc.Precision = oridc != null && oridc.RawType == "bigint unsigned" ? 20 : 19;
dc.RawType = "bigint";
dc.Nullable = false;
dc.Precision = oridc != null && oridc.RawType == "bigint unsigned" ? 20 : 19;
dc.Scale = 0;
break;
case TypeCode.Single:
dc.RawType = "real";
@ -831,6 +839,8 @@ public static class ModelHelper
dc.Nullable = false;
//dc.Precision = 20;
//dc.Scale = 4;
dc.Precision = 0;
dc.Scale = 0;
break;
case TypeCode.String:
// 原来就是普通字符串，或者非ntext字符串，一律转nvarchar
@ -863,6 +873,8 @@ public static class ModelHelper
}
}
dc.Nullable = true;
dc.Precision = 0;
dc.Scale = 0;
break;
default:
if (dc.DataType == typeof(Byte[]))
@ -874,7 +886,7 @@ public static class ModelHelper
}
// 默认值里面不要设置数据类型，否则写入模型文件的时候会漏掉数据类型
dc.DataType = null;
dc.DataType = null!;
if (dc.RawType.IsNullOrEmpty()) dc.RawType = null;
return dc;