[jira] Commented: (CAY-1050) MySQL engine = NDBCLUSTER

From: Ari Maniatis (JIRA) ("Ari)
Date: Thu May 08 2008 - 05:07:52 EDT

  • Next message: Andrus Adamchik (JIRA): "[jira] Updated: (CAY-1050) MySQLSniffer should configure created adapter to use MySQL default engine for tables"

        [ https://issues.apache.org/cayenne/browse/CAY-1050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12843#action_12843 ]

    Ari Maniatis commented on CAY-1050:
    -----------------------------------

    Adding Andrus's dev mailing list response to this task:

    ---------
    Looks like a limitation of MySQLSniffer. It does this to detect MySQL default behavior:

     ResultSet rs = statement.executeQuery("SHOW VARIABLES LIKE 'table_type'");
     if (rs.next()) {
          String tableType = rs.getString(2);
          supportFK = tableType != null && tableType.toUpperCase().equals("INNODB");
     }

    But doesn't go far enough to actually use it as a table type in 'createTable'. Shouldn't be too hard to fix.

    > MySQL engine = NDBCLUSTER
    > -------------------------
    >
    > Key: CAY-1050
    > URL: https://issues.apache.org/cayenne/browse/CAY-1050
    > Project: Cayenne
    > Issue Type: Bug
    > Components: Cayenne Core Library
    > Environment: 3.0M3
    > Reporter: Borut Bolčina
    > Assignee: Andrus Adamchik
    >
    > If I am using AutoAdapter and DbGenerator for table creation with MySQL 5 and table_type variable in MySQL is set to MyISAM, then according to http://cayenne.apache.org/doc/api/org/apache/cayenne/dba/mysql/MySQLAdapter.html I thought the CREATE TABLE string when the generator is run would cause the engine to be MyISAM or whatever the table_type is set to, but it gives me InnoDB:
    > INFO [28 Apr 2008 11:14:57.877] Detected and installed adapter: org.apache.cayenne.dba.mysql.MySQLAdapter
    > INFO [28 Apr 2008 11:14:57.884] CREATE TABLE currency_rate (country VARCHAR(255) NOT NULL, currency_code VARCHAR(255) NOT NULL, currency_name
    > VARCHAR(255) NOT NULL, currency_number INT NOT NULL, date DATETIME NULL, id INT NOT NULL, rate DECIMAL(19, 4) NOT NULL, PRIMARY KEY (id)) ENG
    > INE=InnoDB
    > Now, we are planning to use NDBCLUSTER table types and if this auto detection does not work, what is the way to set engine type via API? 

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