Oracle identity fix

src/Migrator.Tests/Providers/Generic/Generic_AddPrimaryKey.cs

@@ -1,9 +1,47 @@
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using DotNetProjects.Migrator.Framework;
 using Migrator.Tests.Providers.Base;
 using NUnit.Framework;
 
 namespace Migrator.Tests.Providers.Generic;
 
 [TestFixture]
-[Category("SQLite")]
-public class Generic_AddPrimaryTestsBase : TransformationProviderBase
-{ }
+public abstract class Generic_AddPrimaryTestsBase : TransformationProviderBase
+{
+    [Test]
+    public void AddPrimaryKey_IdentityColumnWithData_Success()
+    {
+        // Arrange
+        const string tableName = "TestTable";
+        const string columnName1 = "TestColumn1";
+        const string columnName2 = "TestColumn2";
+
+        Provider.AddTable(tableName,
+            new Column(columnName1, DbType.Int32, property: ColumnProperty.Identity | ColumnProperty.PrimaryKey),
+            new Column(columnName2, DbType.String)
+        );
+
+        // Act
+        Provider.Insert(tableName, [columnName2], ["Hello"]);
+        Provider.Insert(tableName, [columnName2], ["Hello2"]);
+
+        // Assert
+
+        List<(int, string)> list = [];
+
+        using var cmd = Provider.CreateCommand();
+        using var reader = Provider.Select(cmd, tableName, [columnName1, columnName2]);
+
+        while (reader.Read())
+        {
+            list.Add((reader.GetInt32(0), reader.GetString(1)));
+        }
+
+        list = list.OrderBy(x => x.Item1).ToList();
+
+        Assert.That(list[0].Item1, Is.EqualTo(1));
+        Assert.That(list[1].Item1, Is.EqualTo(2));
+    }
+}

src/Migrator/Framework/ITransformationProvider.cs

@@ -272,6 +272,7 @@ public interface ITransformationProvider : IDisposable
     /// <param name="table">The name of the table that will get the primary key.</param>
     /// <param name="columns">The name of the column or columns that are in the primary key.</param>
     void AddPrimaryKey(string name, string table, params string[] columns);
+
     void AddPrimaryKeyNonClustered(string name, string table, params string[] columns);
     /// <summary>
     /// Add a constraint to a table

src/Migrator/Providers/Impl/Oracle/OracleTransformationProvider.cs

@@ -887,9 +887,12 @@ public override void AddTable(string name, params IDbField[] fields)
 
         base.AddTable(name, fields);
 
-        if (columns.Any(c => c.ColumnProperty == ColumnProperty.PrimaryKeyWithIdentity))
+        // Should be refactored
+        if (columns.Any(c => c.ColumnProperty == ColumnProperty.PrimaryKeyWithIdentity ||
+            (c.ColumnProperty.HasFlag(ColumnProperty.Identity) && c.ColumnProperty.HasFlag(ColumnProperty.PrimaryKey))))
         {
-            var identityColumn = columns.First(c => c.ColumnProperty == ColumnProperty.PrimaryKeyWithIdentity);
+            var identityColumn = columns.First(c => c.ColumnProperty == ColumnProperty.PrimaryKeyWithIdentity ||
+                (c.ColumnProperty.HasFlag(ColumnProperty.Identity) && c.ColumnProperty.HasFlag(ColumnProperty.PrimaryKey)));
 
             var seqTName = name.Length > 21 ? name.Substring(0, 21) : name;
             if (seqTName.EndsWith("_"))