code: /*
   * Copyright (c) 2022 Airbyte, Inc., all rights reserved.
   */
  
  package io.airbyte.config.persistence;
  
  import org.jooq.Condition;
  import org.jooq.Field;
  
  public class PersistenceHelpers {
  
    /**
     * Helper function to handle null or equal case for the optional strings
     *
     * We need to have an explicit check for null values because NULL != "str" is NULL, not a boolean.
     *
     * @param field the targeted field
     * @param value the value to check
     * @return The Condition that performs the desired check
     */
    public static Condition isNullOrEquals(final Field<String> field, final String value) {
      return value != null ? field.eq(value) : field.isNull();
    }
  
  }
  