join-monster/dist/stringifiers/dialects/mysql.js

A GraphQL to SQL query execution layer for batch data fetching.

"use strict";

var _shared = require("../shared");
function quote(str) {
  return `\`${str}\``;
}
module.exports = {
  ...require('./mixins/pagination-not-supported'),
  name: 'mysql',
  quote,
  compositeKey(parent, keys) {
    keys = keys.map(key => `${quote(parent)}.${quote(key)}`);
    return `CONCAT(${keys.join(', ')})`;
  },
  handlePaginationAtRoot: async function (parent, node, context, tables) {
    const pagingWhereConditions = [];
    if (node.orderBy) {
      const {
        limit,
        offset,
        order
      } = (0, _shared.interpretForOffsetPaging)(node, {
        name: 'mysql'
      });
      if (node.where) {
        pagingWhereConditions.push(await node.where(`"${node.as}"`, node.args || {}, context, node));
      }
      tables.push((0, _shared.offsetPagingSelect)(node.name, pagingWhereConditions, order, limit, offset, node.as, {
        q: quote
      }));
    }
  }
};