Feat/expression lang

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[SoftwareDev100]

hi

[paddymul]

@elisadinsmore comments, with my answers inline

• What is a parse tree?
• representation of code, easily transportable and interpretted.
• Under what conditions are we executing code immediately vs sending to the server?
• How do we determine which of those options (immediate vs server) we're using?
• We don't users to contemplate this. We just want users to describe what they want to happen, we can execute that serverside or in a datahook. serverside can be faster
• Does this replace or is it an alternative for the current Message option for adding in field messages?
• an alternative. More concise
• What is the value of using GroupByField vs manually ordering data by a specific column on the review stage?
• it is impossible to express GroupByField stuff via ordering. for operations across an entire sheet on things that happen across more than 1000 rows, traditional datahooks are not reliable.
• I'm not fully understanding what the compute hook would display as a final result in the orderTotal field - the sum of all prices grouped by orderID?
• correct, will address with docs