appspace / appspace/helix

Big-result query confirmation

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TypeScript
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Description

Running `SELECT *` on a large table pulls millions of rows into the browser.

**Proposal**
- Before execution, run `EXPLAIN` to estimate rows returned.
- If the estimate exceeds a threshold (configurable, default e.g. 100k), prompt: "Query is likely to return ~N rows — continue?"
- Alternatively or additionally, enforce a server-side row cap with an escape hatch.

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