public IEnumerable <string> GetScriptCommands(SqlSyntax syntax)
{
return(GetScriptBlocks(syntax).SelectMany(block => block.GetCommands(syntax)));
}
public IEnumerable <ScriptBlock> GetScriptBlocks(SqlSyntax syntax)
{
var createColumns = Create.OfType <Column>();
var createOther = Create.Where(obj => !obj.GetType().Equals(typeof(Column)));
List <ScriptBlock> fkScript = new List <ScriptBlock>();
foreach (var columnGrp in createColumns.GroupBy(item => item.Table))
{
string columnList = string.Join(", ", columnGrp.Select(col => col.Name));
if (columnGrp.Key.IsEmpty)
{
yield return(new ScriptBlock()
{
ActionType = ActionType.Create,
Objects = columnGrp,
Commands = RebuildCommands(syntax, columnGrp, columnList)
});
foreach (var fk in columnGrp.Key.GetForeignKeys(Source))
{
fkScript.Add(new ScriptBlock()
{
ActionType = ActionType.Create,
Objects = columnGrp,
Commands = CreateCommands(syntax, fk)
});
}
}
else
{
foreach (var col in columnGrp)
{
yield return(new ScriptBlock()
{
ActionType = ActionType.Create,
Objects = new DbObject[] { col },
Commands = CreateCommands(syntax, col)
});
if (col.IsForeignKey(Source, out ForeignKey fk))
{
fkScript.Add(new ScriptBlock()
{
ActionType = ActionType.Create,
Objects = new DbObject[] { col },
Commands = CreateCommands(syntax, fk)
});
}
}
}
}
foreach (var create in createOther)
{
yield return(new ScriptBlock()
{
ActionType = ActionType.Create,
Objects = new DbObject[] { create },
Commands = CreateCommands(syntax, create)
});
}
foreach (var alter in Alter)
{
yield return(new ScriptBlock()
{
ActionType = ActionType.Alter,
Objects = new DbObject[] { alter },
Commands = AlterCommands(syntax, alter)
});
}
foreach (var drop in Drop)
{
yield return(new ScriptBlock()
{
ActionType = ActionType.Drop,
Objects = new DbObject[] { drop },
Commands = DropCommands(syntax, drop)
});
}
foreach (var fk in fkScript)
{
yield return(fk);
}
}
