/// <summary>
/// Get the SQL string to drop this Constraint in the database.
/// </summary>
/// <param name="dialect">The <see cref="Dialect.Dialect"/> to use for SQL rules.</param>
/// <param name="defaultCatalog"></param>
/// <param name="defaultSchema"></param>
/// <returns>
/// A string that contains the SQL to drop this Constraint.
/// </returns>
public override string SqlDropString(Dialect.Dialect dialect, string defaultCatalog, string defaultSchema)
{
string ifExists = dialect.GetIfExistsDropConstraint(Table, Name);
string drop = string.Format("alter table {0}{1}", Table.GetQualifiedName(dialect, defaultCatalog, defaultSchema), dialect.GetDropPrimaryKeyConstraintString(Name));
string end = dialect.GetIfExistsDropConstraintEnd(Table, Name);
return ifExists + Environment.NewLine + drop + Environment.NewLine + end;
}
/// <summary>
/// Get the SQL string to drop this Constraint in the database.
/// </summary>
/// <param name="dialect">The <see cref="Dialect.Dialect"/> to use for SQL rules.</param>
/// <param name="defaultCatalog"></param>
/// <param name="defaultSchema"></param>
/// <returns>
/// A string that contains the SQL to drop this Constraint.
/// </returns>
public override string SqlDropString(Dialect.Dialect dialect, string defaultCatalog, string defaultSchema)
{
var useCatalog = "";
if (!String.IsNullOrEmpty(Table.Catalog))
{
useCatalog = string.Format("use {0} ", Table.Catalog);
}
string ifExists = dialect.GetIfExistsDropConstraint(Table, Name);
string drop = string.Format("alter table {0}{1}", Table.GetQualifiedName(dialect, defaultCatalog, defaultSchema), dialect.GetDropPrimaryKeyConstraintString(Name));
string end = dialect.GetIfExistsDropConstraintEnd(Table, Name);
return useCatalog + ifExists + Environment.NewLine + drop + Environment.NewLine + end;
}
/// <summary>
/// Get the SQL string to drop this Constraint in the database.
/// </summary>
/// <param name="dialect">The <see cref="Dialect.Dialect"/> to use for SQL rules.</param>
/// <param name="defaultSchema"></param>
/// <returns>
/// A string that contains the SQL to drop this Constraint.
/// </returns>
public override string SqlDropString(Dialect.Dialect dialect, string defaultSchema)
{
// TODO: NH-421
return
"alter table " + Table.GetQualifiedName(dialect, defaultSchema) + dialect.GetDropPrimaryKeyConstraintString(Name);
}