Jack Sharkey sharkey11
sharkey11
/ missing_fks.rb
Last active
November 29, 2023 00:07
This script will look through your Schema and find any "foreign key" columns that are missing actual DB foreign keys. This could lead to orphaned rows and dirty data.
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| # Parse and identify potential foreign key issues in a Rails schema.rb file. | |
| # TO USE THIS, SAVE THE FILE AND RUN IT USING RAILS RUNNER. EXAMPLE: | |
| # `rails runner missing_fks.rb` | |
| def extract_table_names(schema_lines) | |
| schema_lines.select { |line| line.strip.start_with?('create_table') } | |
| .map { |line| line.split('"')[1] } | |
| end |