Method dropNotNull

internal/sql/catalog/table.go:97–106

(cmd *ast.AlterTableCmd)

}

func (table *Table) dropNotNull(cmd *ast.AlterTableCmd) error {
	index, err := table.isExistColumn(cmd)
	if err != nil {
		return err
	}
	if index >= 0 {
		table.Columns[index].IsNotNull = false
	}
	return nil
}

func (table *Table) setNotNull(cmd *ast.AlterTableCmd) error {
	index, err := table.isExistColumn(cmd)