text: --Next, let's look at descriptives per contributor.
  --First, we have to write a desc_ctrs_summary table to the database...
  
  --- original data
  CREATE MATERIALIZED VIEW gh.desc_owners_summary AS (
  SELECT split_part(slug, '/', 1) AS owner, COUNT(DISTINCT slug) AS repos,
        COUNT(*) AS commits, SUM(additions) AS additions, SUM(deletions) AS deletions
  FROM gh.commits_raw
  GROUP BY owner
  );
  
  -- longest_chain refinement / owner summary
  CREATE MATERIALIZED VIEW gh.desc_owners_summary_dd_lchn AS (
  SELECT split_part(slug, '/', 1) AS owner, COUNT(DISTINCT slug) AS repos,
        COUNT(*) AS commits, SUM(additions) AS additions, SUM(deletions) AS deletions
  FROM gh.commits_dd_nmrc_jbsc
  GROUP BY owner
  );
  