initial commit

Examples/base_entity/ModAsTableImpl.cs

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+using FreeSql;
+using FreeSql.DataAnnotations;
+using FreeSql.Internal;
+using FreeSql.Internal.Model;
+using System;
+using System.Collections.Generic;
+using System.Data.Common;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+class ModAsTableImpl : IAsTable
+{
+    public ModAsTableImpl(IFreeSql fsql)
+    {
+        AllTables = Enumerable.Range(0, 9).Select(a => $"order_{a}").ToArray();
+        fsql.Aop.CommandBefore += (_, e) =>
+        {
+            e.Command.CommandText = Regex.Replace(e.Command.CommandText, @"/\*astable\([^\)]+\)*\/", "1=1");
+        };
+    }
+
+    public string[] AllTables { get; }
+
+	public string GetTableNameByColumnValue(object columnValue, bool autoExpand = false)
+    {
+        var modid = (int)columnValue;
+        return $"order_{(modid % 10)}";
+    }
+
+    public string[] GetTableNamesByColumnValueRange(object columnValue1, object columnValue2)
+    {
+        throw new NotImplementedException();
+    }
+
+    public IAsTableTableNameRangeResult GetTableNamesBySqlWhere(string sqlWhere, List<DbParameter> dbParams, SelectTableInfo tb, CommonUtils commonUtils)
+    {
+        var match = Regex.Match(sqlWhere, @"/\*astable\([^\)]+\)*\/");
+        if (match.Success == false) return new IAsTableTableNameRangeResult(AllTables, null, null);
+        var tables = match.Groups[1].Value.Split(',').Where(a => AllTables.Contains(a)).ToArray();
+        if (tables.Any() == false) return new IAsTableTableNameRangeResult(AllTables, null, null);
+		return new IAsTableTableNameRangeResult(tables, null, null);
+	}
+
+	public IAsTable SetDefaultAllTables(Func<string[], string[]> audit)
+	{
+		throw new NotImplementedException();
+	}
+	public IAsTable SetTableName(int index, string tableName)
+	{
+		throw new NotImplementedException();
+	}
+}