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DefaultPrimaryKeyNameConvention.cs
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DefaultPrimaryKeyNameConvention.cs
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#region License
// Copyright (c) 2007-2024, Fluent Migrator Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#endregion
using FluentMigrator.Expressions;
namespace FluentMigrator.Runner.Conventions
{
/// <summary>
/// The default implementation of a <see cref="IColumnsConvention"/>
/// </summary>
/// <remarks>
/// It sets the default constraint name of a primary key column.
/// </remarks>
public class DefaultPrimaryKeyNameConvention : IColumnsConvention
{
/// <inheritdoc />
public IColumnsExpression Apply(IColumnsExpression expression)
{
foreach (var columnDefinition in expression.Columns)
{
if (columnDefinition.IsPrimaryKey && string.IsNullOrEmpty(columnDefinition.PrimaryKeyName))
{
var tableName = string.IsNullOrEmpty(columnDefinition.TableName)
? expression.TableName
: columnDefinition.TableName;
columnDefinition.PrimaryKeyName = GetPrimaryKeyName(tableName);
}
}
return expression;
}
private static string GetPrimaryKeyName(string tableName)
{
return "PK_" + tableName;
}
}
}