public SqlColumnExpression(SqlColumnDefinition definition)
{
Definition = definition;
}
public override void Visit(SqlColumnDefinition codeObject)
{
}
public SqlColumnForeignKey(SqlColumnDefinition destination, SqlColumnAction onDelete, SqlColumnAction onUpdate)
{
Destination = destination;
OnDelete = onDelete;
OnUpdate = onUpdate;
}
private void AddColumnConstrains(SqlColumnDefinition columnDefinition, Column column)
{
switch (columnDefinition.Constraints)
{
case null:
return;
}
foreach (var constraint in columnDefinition.Constraints)
{
switch (constraint.Type)
{
case SqlConstraintType.Identity:
var identity = constraint as SqlColumnIdentity;
column.Identity = new Column.ColumnIdentity
{
Increment = identity.Increment ?? 1, Seed = identity.Seed ?? 1
};
column.NextIdentityValue = column.Identity.Seed;
break;
case SqlConstraintType.NotNull:
column.IsNullable = false;
break;
case SqlConstraintType.Null:
column.IsNullable = true;
break;
case SqlConstraintType.Default:
var defaultConstraint = constraint as SqlDefaultConstraint;
switch (defaultConstraint.Expression)
{
case SqlLiteralExpression expression:
column.DefaultValue = expression.Value;
break;
case SqlBuiltinScalarFunctionCallExpression expression:
column.DefaultCallExpression = expression;
break;
}
break;
case SqlConstraintType.PrimaryKey:
column.IsPrimaryKey = true;
column.IsUnique = true;
_Table.PrimaryKeys.Add(column);
break;
case SqlConstraintType.ForeignKey:
break;
case SqlConstraintType.Unique:
column.IsUnique = true;
break;
//case SqlConstraintType.RowGuidCol:
//case SqlConstraintType.Check:
}
}
}
public void SetForeignKey(SqlColumnDefinition fk)
{
ForeignKey = fk;
}
