consolidate-backfill-transfers #372
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…o for FK integrity
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Pull request overview
This PR adds a database migration to ensure the SamplePtID column in the NMA_Chemistry_SampleInfo table is of type UUID before adding foreign key constraints. The change prevents potential type mismatch errors when creating relationships between tables.
Changes:
- Added type conversion logic for
SamplePtIDcolumn to UUID type if it exists and is not already UUID - Positioned the type conversion before the existing unique constraint check
Comment on lines
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| sample_pt_col = next( | ||
| ( | ||
| col | ||
| for col in inspector.get_columns("NMA_Chemistry_SampleInfo") | ||
| if col["name"] == "SamplePtID" | ||
| ), | ||
| None, | ||
| ) |
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The get_columns() call iterates through all columns to find one specific column. Consider using a more direct approach by checking if the column exists first, then retrieving its type separately, to avoid unnecessary iteration through all columns.
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Why
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How
Implementation summary - the following was changed / added / removed:
Notes
Any special considerations, workarounds, or follow-up work to note?