Method _injectAttributes

lib/associations/has-many.js:114–145

()

  // the id is in the target table
  // or in an extra table which connects two tables
  _injectAttributes() {
    const newAttributes = {
      [this.foreignKey]: {
        type: this.options.keyType || this.source.rawAttributes[this.sourceKeyAttribute].type,
        allowNull: true,
        ...this.foreignKeyAttribute
      }
    };

    // Create a new options object for use with addForeignKeyConstraints, to avoid polluting this.options in case it is later used for a n:m
    const constraintOptions = { ...this.options };

    if (this.options.constraints !== false) {
      const target = this.target.rawAttributes[this.foreignKey] || newAttributes[this.foreignKey];
      constraintOptions.onDelete = constraintOptions.onDelete || (target.allowNull ? 'SET NULL' : 'CASCADE');
      constraintOptions.onUpdate = constraintOptions.onUpdate || 'CASCADE';
    }

    Helpers.addForeignKeyConstraints(newAttributes[this.foreignKey], this.source, this.target, constraintOptions, this.sourceKeyField);
    Utils.mergeDefaults(this.target.rawAttributes, newAttributes);

    this.target.refreshAttributes();
    this.source.refreshAttributes();

    this.identifierField = this.target.rawAttributes[this.foreignKey].field || this.foreignKey;
    this.foreignKeyField = this.target.rawAttributes[this.foreignKey].field || this.foreignKey;
    this.sourceKeyField = this.source.rawAttributes[this.sourceKey].field || this.sourceKey;

    Helpers.checkNamingCollision(this);

    return this;
  }

  mixin(obj) {
    const methods = ['get', 'count', 'hasSingle', 'hasAll', 'set', 'add', 'addMultiple', 'remove', 'removeMultiple', 'create'];