Name

adams.flow.source.WekaDatabaseReader

Synopsis

Executes a query and returns the data either in batch or incremental mode.

Additional information

Flow input/output:
- output: weka.core.Instance, weka.core.Instances

Options

• loggingLevel
  

  The logging level for outputting errors and debugging output.

  command-line	-logging-level <OFF|SEVERE|WARNING|INFO|CONFIG|FINE|FINER|FINEST>
  default	WARNING
  min-user-mode	Expert

  
  
• name
  

  The name of the actor.

  command-line	-name <java.lang.String>
  default	WekaDatabaseReader

  
  
• annotations
  

  The annotations to attach to this actor.

  command-line	-annotation <adams.core.base.BaseAnnotation>
  default

  
  
• skip
  

  If set to true, transformation is skipped and the input token is just forwarded as it is.

  command-line	-skip <boolean>
  default	false

  
  
• stopFlowOnError
  

  If set to true, the flow execution at this level gets stopped in case this actor encounters an error; the error gets propagated; useful for critical actors.

  command-line	-stop-flow-on-error <boolean>
  default	false
  min-user-mode	Expert

  
  
• silent
  

  If enabled, then no errors are output in the console; Note: the enclosing actor handler must have this enabled as well.

  command-line	-silent <boolean>
  default	false
  min-user-mode	Expert

  
  
• URL
  

  The JDBC URL of the database to query.

  command-line

  -url <java.lang.String>

  
  
• user
  

  The user for connecting to the database.

  command-line

  -user <java.lang.String>

  
  
• password
  

  The password for the database user.

  command-line

  -password <adams.core.base.BasePassword>

  
  
• query
  

  The SQL query to execute.

  command-line	-query <adams.db.SQLStatement>
  default	select * from result0

  
  
• keys
  

  The keys to use for identifying a single row (comma-separated list of column names).

  command-line	-keys <java.lang.String>
  default

  
  
• incremental
  

  If set to true, then single Instance objects are output, otherwise just one Instances object.

  command-line	-incremental <boolean>
  default	false

  
  
• sparseFormat
  

  If set to true, the data will be output in sparse format.

  command-line	-sparse-format <boolean>
  default	false

  
  
• customPropsFile
  

  Custom properties file to override the default database settings, eg, for accessing a different type of database; ignored if pointing to a directory.

  command-line	-custom-props <adams.core.io.PlaceholderFile>
  default	${CWD}