Metadata with defining Derived Associations valided failed.

Question

Hey all,
I am developing a MySQL plugin, and want to use "Derived Associations" to make a topology to display the relationship between mysql objects and its cluster group. However I run into some trouble. Could anyone help me out? I am really confused.
Here is the code to define Derived Associations
<?xml version="1.0" encoding="UTF-8"?>
<Rules xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Rule name="mysql_cluster_contains">
   <query>
      select 'runs_on_cluster' as assoc_type,
              c.target_guid as source_me_guid,
              b.target_guid as dest_me_guid
              HEXTORAW(NULL) as derivation_target_guid
      from MGMT_EMX_MYSQL_DBVAR a,MGMT_ECM_GEN_SNAPSHOT b,MGMT_TARGETS c
      where a.ecm_snapshot_id=b.SNAPSHOT_GUID
        and a.VARIABLE_NAME ='wsrep_cluster_name'
        and b.IS_CURRENT='Y'
        and c.TARGET_NAME=a.VALUE
        and c.TARGET_TYPE='oracle_mysql_cluster'
   </query>
    <trigger>
        <targetType>oracle_mysql_database</targetType>
        <snapshotType>MYSQL_MYSQL_DB</snapshotType>
        <table>MGMT_EMX_MYSQL_DBVAR</table>
        <idColumn>destination</idColumn>
    </trigger>
  </Rule>
</Rules>After I get the file under folder metadata\derivedAssocs, and try to pack the plugin, it failed with message as below.
Violation type: NON SDK Access detected
Validation Type: Meta data Embedded SQL
Artifact being accessed: TABLE MGMT_ECM_GEN_SNAPSHOT
Accessed by: SQL String sql0 in /DATA/mysql_cluster_plugin/mysql_cluster/oms/metadata/derivedAssocs/mysql_cluster_assoc_rules.xml
The SQL query embedded in the above file or class is accessing a non SDK DB object. For legibility only SQL IDs are mentioned here. The actual SQL Strings corresponding to these IDs are mentioned towards the end of the report.
Violation type: NON SDK Access detected
Validation Type: Meta data Embedded SQL
Artifact being accessed: TABLE MGMT_TARGETS
Accessed by: SQL String sql0 in /DATA/mysql_cluster_plugin/mysql_cluster/oms/metadata/derivedAssocs/mysql_cluster_assoc_rules.xml
The SQL query embedded in the above file or class is accessing a non SDK DB object. For legibility only SQL IDs are mentioned here. The actual SQL Strings corresponding to these IDs are mentioned towards the end of the report.
SQL IDs to Strings mapping:
sql0: 
      select 'runs_on_cluster' as assoc_type,
              c.target_guid as source_me_guid,
              b.target_guid as dest_me_guid
              HEXTORAW(NULL) as derivation_target_guid
      from MGMT_EMX_MYSQL_DBVAR a,MGMT_ECM_GEN_SNAPSHOT b,MGMT_TARGETS c
      where a.ecm_snapshot_id=b.SNAPSHOT_GUID
        and a.VARIABLE_NAME ='wsrep_cluster_name'
        and b.IS_CURRENT='Y'
        and c.TARGET_NAME=a.VALUE
        and c.TARGET_TYPE='oracle_mysql_cluster'I am sure the SQL is right to display the data. I don't know what "NON SDK Access" is and why the code is wrong. :(
Thank you in advance!
Best wishes,
Satine

Answer 1

Hey Vitaliy,
Thank you very much for your help!
I will try to post questions here, in case other people have the same problem can also reference your reply. :)
After I change SQL as this, I can package the plugin.
<?xml version="1.0" encoding="UTF-8"?>
<Rules xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Rule name="mysql_cluster_contains">
   <query>
      select 'runs_on_cluster' as assoc_type,
              a.target_guid as source_me_guid,
              b.target_guid as dest_me_guid
      from MGMT$TARGET_PROPERTIES a,MGMT$TARGET b
      where a.PROPERTY_NAME ='version'
        and a.PROPERTY_VALUE=b.TARGET_NAME
        and b.TARGET_TYPE='oracle_mysql_cluster'
   </query>
  </Rule>
</Rules>However, after I deploy it to OMS and added targets for it. There were still no topology display on EM interface (Target -> Configuration -> Topology). I am sure the SQL has data returned, and the GC$ECM_CONFIG.run_assoc_deriv_rule was executed successfully.
SQL>       select 'runs_on_cluster' as assoc_type,
  2                a.target_guid as source_me_guid,
  3                b.target_guid as dest_me_guid
  4        from MGMT$TARGET_PROPERTIES a,MGMT$TARGET b
  5        where a.PROPERTY_NAME ='version'
  6          and a.PROPERTY_VALUE=b.TARGET_NAME
  7          and b.TARGET_TYPE='oracle_mysql_cluster';
ASSOC_TYPE                     SOURCE_ME_GUID                   DEST_ME_GUID
runs_on_cluster                309C19DEEDC84BA78748C22F6E56D29F BCBF699C02E8984F79B180A14A1D1501
runs_on_cluster                69482E4EDEC000BDD7B8E7567A484860 BCBF699C02E8984F79B180A14A1D1501
SQL> DECLARE                                                                                           
  2      temp GC$DERIV_ASSOC_CHANGE_LIST := GC$DERIV_ASSOC_CHANGE_LIST();                              
  3  BEGIN                                                                                             
  4      GC$ECM_CONFIG.run_assoc_deriv_rule(                                                           
  5        p_target_guid => hextoraw('309C19DEEDC84BA78748C22F6E56D29F'),                              
  6        p_rule_name => 'mysql_cluster_contains',                                                    
  7        p_column_flag => 'S',                                                                       
  8        p_change_list => temp);                                                                     
  9        COMMIT;                                                                                     
10  END;                                                                                              
11  /                                                                                                 
PL/SQL procedure successfully completed.
SQL> DECLARE                                                                                           
  2      temp GC$DERIV_ASSOC_CHANGE_LIST := GC$DERIV_ASSOC_CHANGE_LIST();                              
  3  BEGIN                                                                                             
  4      GC$ECM_CONFIG.run_assoc_deriv_rule(                                                           
  5        p_target_guid => hextoraw('69482E4EDEC000BDD7B8E7567A484860'),                              
  6        p_rule_name => 'mysql_cluster_contains',                                                    
  7        p_column_flag => 'S',                                                                       
  8        p_change_list => temp);                                                                     
  9        COMMIT;                                                                                     
10  END;                                                                                              
11  /                                                                                                 
PL/SQL procedure successfully completed.
SQL> DECLARE                                                                                           
  2      temp GC$DERIV_ASSOC_CHANGE_LIST := GC$DERIV_ASSOC_CHANGE_LIST();                              
  3  BEGIN                                                                                             
  4      GC$ECM_CONFIG.run_assoc_deriv_rule(                                                           
  5        p_target_guid => hextoraw('BCBF699C02E8984F79B180A14A1D1501'),                              
  6        p_rule_name => 'mysql_cluster_contains',                                                    
  7        p_column_flag => 'S',                                                                       
  8        p_change_list => temp);                                                                     
  9        COMMIT;                                                                                     
10  END;                                                                                              
11  /                                                                                                 
PL/SQL procedure successfully completed.Would please let me know what I did wrong?
Best wishes,
Satine