protected override void Generate(RemoveFKConstraint op)
{
var oldName = op.ConstraintName;
PrepareFKConstraintName(op);
base.Generate(op);
op.ConstraintName = oldName;
}
/// <summary>
/// 生成删除外键约束的语句
/// </summary>
/// <param name="op">删除外键约束对象</param>
protected override void Generate(RemoveFKConstraint op)
{
using (var sql = this.Writer())
{
sql.Write(@"ALTER TABLE ");
sql.Write(this.Quote(op.DependentTable));
sql.Write(@" DROP FOREIGN KEY ");
sql.Write(this.Quote(op.ConstraintName));
sql.Write(";");
this.AddRun(sql);
}
}
/// <summary>
/// 生成删除外键约束的语句
/// </summary>
/// <param name="op">删除外键约束对象</param>
protected override void Generate(RemoveFKConstraint op)
{
//SQLite 不支持
}
protected abstract void Generate(RemoveFKConstraint op);
