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Dataphin:Configure logical aggregate table properties

Last Updated:Jan 21, 2025

This topic outlines the steps to configure properties of a logical aggregate table, including basic information, primary key details, and custom parameters.

Procedure

  1. Navigate to the Dataphin home page and select the top menu bar Development. You will be taken to the Data Development page by default.

  2. Use the following instructions to access the logical aggregate table Property configuration page.

    image.png

  3. In the Table Properties section, set the properties for the logical aggregate table.

    • Non-edit mode

      The following actions are available in non-edit mode:

      • To edit the properties of a logical aggregate table, simply single click on Edit to enter edit mode.

      • Unpublish: To unpublish the current logical aggregate table, refer to the steps outlined in the figure below.

        image.png

    • Edit mode

      Edit mode supports the configuration of the following parameters:

      Parameter

      Description

      Basic information

      Statistic granularity

      Displays the statistic granularity of the table, which is not editable.

      English name

      Shows the English name of the table, which is not editable.

      Chinese name

      Set the Chinese name of the table, allowing Chinese characters, letters, numbers, underscores (_), and hyphens (-) up to 64 characters.

      Table owner

      Displays the owner of the table as seen on the product page after a change owner operation. For more information, see change owner and .

      Development owner

      Change the development owner of the table, selecting from users within the current project.

      Table description

      Provide a brief description of the table, up to 1000 characters.

      Primary key information

      Primary key information

      Shows the statistic object/role, field description, and field name of the primary key, which can be edited unless the table is submitted or published.

      Note

      The field name of a submitted or published aggregate table cannot be modified.

      Custom parameters

      Custom parameters

      Custom parameters influence code generation rules, resource allocation, and runtime mechanisms for the table task, such as memory allocation and precedence. Examples include:

      Important
      • Parameter settings must align with the compute engine attributes associated with the current Dataphin system.

      • To set custom parameters for logical aggregate table properties, first activate the global switch for custom parameters in Management Center > Intelligent Engine > Custom Parameters. For more information, see configure custom node-specific parameters or .

      set oneservice.optimize.skewjoin = true/false;
      set hive.exec.dynamic.partition.mode=nonstrict; (enable/disable dynamic partition)
      set hive.vectorized.execution.enabled = false; (enable/disable vector query)
      set hive.vectorized.execution.reduce.enabled = false;
  4. To finalize the configuration, single click Save.