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达梦 suppport schema

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sunkaixuan 2023-07-10 12:24:06 +08:00
parent f14faa2cd4
commit 8f850ed49d
1 changed files with 25 additions and 0 deletions
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25
Src/Asp.Net/SqlSugar/Realization/Dm/DbMaintenance/DmDbMaintenance.cs
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@ -4,6 +4,7 @@ using System.Data;
using System.Data.Common;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
namespace SqlSugar
{
@ -480,6 +481,30 @@ namespace SqlSugar
this.Context.Ado.ExecuteCommand(sql);
return true;
}
public static string ExtractSchema(string connectionString)
{
string pattern = @"(?i)(?:^|;)schema=(\w+)";
Match match = Regex.Match(connectionString, pattern,RegexOptions.IgnoreCase);
return match.Success ? match.Groups[1].Value : null;
}
public override bool IsAnyTable(string tableName, bool isCache = true)
{
var isSchema = this.Context.CurrentConnectionConfig?.ConnectionString?.Replace(" ","")?.ToLower()?.Contains("schema=") == true;
if (isSchema)
{
var schema= ExtractSchema(this.Context.CurrentConnectionConfig?.ConnectionString);
Check.ExceptionEasy(schema == null, "ConnectionString schema format error, please use schema=(\\w+)", "连接字符串schema格式错误,请用schema=(\\w+)");
return this.Context.Ado.GetInt($@"SELECT COUNT(*)
FROM ALL_TABLES t
WHERE upper(t.TABLE_NAME) = upper('{tableName}')
AND upper(t.OWNER) = upper('{schema}')
") > 0;
}
else {
return base.IsAnyTable(tableName, isCache);
}
}
#endregion
#region Helper