Method formatError

lib/dialects/mssql/query.js:259–325

(err, errStack)

  }

  formatError(err, errStack) {
    let match;

    match = err.message.match(/Violation of (?:UNIQUE|PRIMARY) KEY constraint '([^']*)'. Cannot insert duplicate key in object '.*'.(:? The duplicate key value is \((.*)\).)?/);
    match = match || err.message.match(/Cannot insert duplicate key row in object .* with unique index '(.*)'/);
    if (match && match.length > 1) {
      let fields = {};
      const uniqueKey = this.model && this.model.uniqueKeys[match[1]];
      let message = 'Validation error';

      if (uniqueKey && !!uniqueKey.msg) {
        message = uniqueKey.msg;
      }
      if (match[3]) {
        const values = match[3].split(',').map(part => part.trim());
        if (uniqueKey) {
          fields = _.zipObject(uniqueKey.fields, values);
        } else {
          fields[match[1]] = match[3];
        }
      }

      const errors = [];
      _.forOwn(fields, (value, field) => {
        errors.push(new sequelizeErrors.ValidationErrorItem(
          this.getUniqueConstraintErrorMessage(field),
          'unique violation', // sequelizeErrors.ValidationErrorItem.Origins.DB,
          field,
          value,
          this.instance,
          'not_unique'
        ));
      });

      return new sequelizeErrors.UniqueConstraintError({ message, errors, parent: err, fields, stack: errStack });
    }

    match = err.message.match(/Failed on step '(.*)'.Could not create constraint. See previous errors./) ||
      err.message.match(/The DELETE statement conflicted with the REFERENCE constraint "(.*)". The conflict occurred in database "(.*)", table "(.*)", column '(.*)'./) ||
      err.message.match(/The (?:INSERT|MERGE|UPDATE) statement conflicted with the FOREIGN KEY constraint "(.*)". The conflict occurred in database "(.*)", table "(.*)", column '(.*)'./);
    if (match && match.length > 0) {
      return new sequelizeErrors.ForeignKeyConstraintError({
        fields: null,
        index: match[1],
        parent: err,
        stack: errStack
      });
    }

    match = err.message.match(/Could not drop constraint. See previous errors./);
    if (match && match.length > 0) {
      let constraint = err.sql.match(/(?:constraint|index) \[(.+?)\]/i);
      constraint = constraint ? constraint[1] : undefined;
      let table = err.sql.match(/table \[(.+?)\]/i);
      table = table ? table[1] : undefined;

      return new sequelizeErrors.UnknownConstraintError({
        message: match[1],