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[fix] mysql索引名不能超过64个字符。fix: https://github.com/NewLifeX/NewLife.XCode/issues/59

This commit is contained in:
智能大石头 2025-07-22 22:54:55 +08:00
parent 44ef16c980
commit 5afc017bf1
2 changed files with 11 additions and 4 deletions
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3
XCode/DataAccessLayer/DAL.cs
View File

@ -862,6 +862,9 @@ public partial class DAL
sb.AppendFormat("IX_{0}", Db.FormatName(table, false));
foreach (var item in di.Columns)
{
// mysql索引名不能超过64个字符
if (sb.Length + item.Length + 1 > 64) break;
sb.Append('_');
sb.Append(item);
}

12
XCode/DataAccessLayer/Model/IModelResolver.cs
View File

@ -24,7 +24,7 @@ public interface IModelResolver
/// <summary>根据字段名等信息计算索引的名称</summary>
/// <param name="di"></param>
/// <returns></returns>
String GetName(IDataIndex di);
String? GetName(IDataIndex di);
/// <summary>获取显示名，如果描述不存在，则使用名称，否则使用描述前面部分，句号（中英文皆可）、换行分隔</summary>
/// <param name="name">名称</param>
@ -162,7 +162,7 @@ public class ModelResolver : IModelResolver
/// <summary>根据字段名等信息计算索引的名称</summary>
/// <param name="di"></param>
/// <returns></returns>
public virtual String GetName(IDataIndex di)
public virtual String? GetName(IDataIndex di)
{
if (di.Columns == null || di.Columns.Length <= 0) return null;
@ -179,11 +179,15 @@ public class ModelResolver : IModelResolver
sb.Append('_');
sb.Append(di.Table.TableName);
}
for (var i = 0; i < di.Columns.Length; i++)
foreach (var item in di.Columns)
{
// mysql索引名不能超过64个字符
if (sb.Length + item.Length + 1 > 64) break;
sb.Append('_');
sb.Append(di.Columns[i]);
sb.Append(item);
}
return sb.Return(true);
}