Vitality Metrics: Most Interwiki Links

This query is marked as a draft This query has been published by Zar2gar1.

This query simply finds the pages with the most interwiki links and provides a count.

Note that "interwiki link" sometimes refers to a language link within Wikipedia, but those are stored in a distinct table. Because of how the database indices are set up, we don't attempt to join with the page table at all.

SQL

# Set a query timeout for politeness
SET STATEMENT max_statement_time = 300 FOR

# Indices don't allow for an efficient join ...
# ... so we'll just grab page IDs for now
SELECT
  iwl_from AS "Page ID",
  COUNT(*) AS "Number of Interwiki Links"
FROM iwlinks

# Ordering on a COUNT should be OK
GROUP BY 1 ORDER BY 2 DESC
# TESTING: Start with a small limit to gauge time
LIMIT 1000;

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