Function keysAreIncluded

lib/mapping/object-selector.js:300–313

* Returns the amount of matches for a given key * @private * @param {Array} keys * @param {Array} propertiesInfo

(keys, propertiesInfo)

 * @param {Array} propertiesInfo
 */
function keysAreIncluded(keys, propertiesInfo) {
  if (keys.length === 0) {
    return keyMatches.all;
  }

  // Filtering by name might look slow / ineffective to using hash maps
  // but we expect `keys` and `propertiesInfo` to contain only few items
  const matches = propertiesInfo.reduce((acc, p) => acc + (contains(keys, k => p.columnName === k.name) ? 1 : 0), 0);
  if (matches === 0) {
    return keyMatches.none;
  }

  return matches === keys.length ? keyMatches.all : keyMatches.some;
}

function hasStaticColumn(table) {
  return staticColumnCount(table) > 0;