respond_to? ( :join ) url = "jdbc:mysql:// # ) properties ||= 'convertToNull' properties ||= 'false' properties ||= 'true' if config. key? ( :username ) # jdbc:mysql:/// # - if the host name is not specified, it defaults to 127.0.0.1 # - if the port is not specified, it defaults to 3306 # - alternate fail-over syntax: ,/ unless config host = config host = host. load_driver ) rescue LoadError # assuming driver.jar is on the class-path end config = 'root' unless config. load_driver ( :require ) if defined? (:: Jdbc:: MySQL. For Connector/J 5.1.46 and earlier: In order to use the utf8mb4 character set for the connection, the server MUST be configured with charactersetserverutf8mb4 if that is not the case, when UTF-8 is used for characterEncoding in the connection string, it will map to the MySQL character set name utf8, which is an alias for utf8mb3. Spring provides insert operation with the help of JdbcTemplate, it inserts or updates records into database in one shot. Ensure that the connection supports the utf8mb4 character set. You can insert one or multiple records into database one by one in a traditional approach. module_eval do def mysql_connection ( config ) begin require 'jdbc/mysql' To store emoji in an RDS for MySQL DB instance, you must: Ensure that the client outputs the utf8mb4 character set.
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