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Enforce CID uniqueness and save raw refined info immediately

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Previously, the refined info was collected and the CID computed before saving.
This was a major development time sink, so the CID is now computed in the
following step (bin/mc-db-unique).

The columns previously chosen for the CID are not enough.  If these columns are
empty for any reason, the CID repeats.  Just including the owner/name won't help,
because those are duplicates.

Some possibilities considered and rejected:
1. Could use a random number for missing columns.  But this makes
   the CID nondeterministic.
2. Switch to the file system ctime?  Not unique across owner/repo pairs,
   but unique within one.  Also, this could be changed externally and cause
   *very* subtle bugs.
3. Use the file system path?  It has to be unique at ingestion time, but
   repo collections can move.

Instead, this patch
4. Drops rows that don't have the
   | cliVersion   |
   | creationTime |
   | language     |
   | sha          |
   columns.  There are very few (16 out of 6000) and their DBs are
   quesionable.
This commit is contained in:
Michael Hohn
2024-08-01 11:09:04 -07:00
committed by =Michael Hohn
parent 06dcf50728
commit b7b4839fe0
4 changed files with 117 additions and 59 deletions
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8
client/qldbtools/README.md
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@@ -84,4 +84,10 @@ import qldbtools as ql
./bin/mc-db-generate-selection -n 23 vscode-selection.json gh-mrva-selection.json < db-info-3.csv
## Notes
The preview-data plugin for VS Code has a bug; it displays `0` instead of
`0e3379` for the following. There are other entries with similar malfunction.
CleverRaven,Cataclysm-DDA,0e3379,2.17.0,2024-05-08 12:13:10.038007+00:00,cpp,5ca7f4e59c2d7b0a93fb801a31138477f7b4a761,578098.0,/Users/hohn/work-gh/mrva/mrva-open-source-download/repos-2024-04-29/CleverRaven/Cataclysm-DDA/code-scanning/codeql/databases/cpp/db.zip,cpp,C/C++,1228.0,578098.0,2024-05-13T12:14:54.650648,cpp,True,4245,563435469
CleverRaven,Cataclysm-DDA,3231f7,2.18.0,2024-07-18 11:13:01.673231+00:00,cpp,db3435138781937e9e0e999abbaa53f1d3afb5b7,579532.0,/Users/hohn/work-gh/mrva/mrva-open-source-download/repos/CleverRaven/Cataclysm-DDA/code-scanning/codeql/databases/cpp/db.zip,cpp,C/C++,1239.0,579532.0,2024-07-24T02:33:23.900885,cpp,True,1245,573213726