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docs: clarify metric comparison is limited to same table#481

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torimwhaley merged 1 commit intomainfrom
docs/fix-compare-metric-limitation
Mar 10, 2026
Merged

docs: clarify metric comparison is limited to same table#481
torimwhaley merged 1 commit intomainfrom
docs/fix-compare-metric-limitation

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@torimwhaley torimwhaley commented Mar 10, 2026

Summary

  • Updated the "Compare to another metric" description to state it only shows metrics from the same table (not cross-table/joined metrics as previously documented)
  • Updated FAQ item (d) to reflect the same-table limitation
  • Added notes linking to lightdash/lightdash#21003 which tracks cross-table comparison support

Context

A customer reported (Pylon #11279) that the "Compare to another metric" dropdown only shows same-table metrics, contradicting the docs. Internal investigation confirmed this was an intentional first-iteration limitation introduced in lightdash/lightdash#19727, but the docs were never updated.

The "Compare to another metric" feature currently only shows metrics
from the same table, not from joined tables. The docs previously
stated cross-table comparison was supported, which caused confusion.

Updated the explore section and FAQ to reflect the current behavior
and linked to GitHub issue #21003 tracking cross-table support.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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github-actions bot commented Mar 10, 2026

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@torimwhaley torimwhaley merged commit 5df1d5f into main Mar 10, 2026
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