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use serde::{Deserialize, Serialize};

use crate::field_type::FieldType;

#[derive(Debug, Deserialize, Serialize)]
pub struct Column {
  name: String,
  t: FieldType
}

impl Column {
  pub fn new(name: String, t: FieldType) -> Column {
    Column { name, t }
  }

  pub fn name(&self) -> &String {
    &self.name
  }

  pub fn t(&self) -> &FieldType {
    &self.t
  }
}

#[derive(Debug, Deserialize, Serialize)]
pub struct ResultSet {
  sql: Option<String>,
  columns: Vec<Column>,
  data: Vec<Vec<Option<String>>>
}

impl ResultSet {
  pub fn new(sql: Option<String>, columns: Vec<Column>, data: Vec<Vec<Option<String>>>) -> ResultSet {
    ResultSet { sql, columns, data }
  }

  pub fn sql(&self) -> &Option<String> {
    &self.sql
  }

  pub fn columns(&self) -> &Vec<Column> {
    &self.columns
  }

  pub fn data(&self) -> &Vec<Vec<Option<String>>> {
    &self.data
  }
}