Editing Column Expressions for Windows, Streams, and Delta Streams

Modify column expressions for windows, streams, and delta streams using an inline editor or dialog-based expression editor.

  1. (Optional) To add a column expression, click Add Column Expressions compute_template.gif in the shape toolbar.
  2. Expand the Column Expressions compartment.
  3. To modify a column expression, either:
    • Double-Click to open the inline editor.Type into the edit box to edit the existing expression or enter a new one. Press Ctrl+Space for a list of available columns and functions.
    • Press Ctrl+F2 to open the expression editor. Press Ctrl+Space to show the available input columns and built-in functions, or manually enter the expression.
    • Modify the expression in the Properties view.
    Tip: When entering column names and their datatypes, use Tab to easily move between cells in the table.
Related concepts
Column Expressions