Companion code for the Flyway vs Liquibase article: checksum validation, out-of-order and repeatable migrations, baselining an existing schema, Flyway Community's undo/diff/deploy stubs, concurrent-startup locking for both tools, Liquibase changeset identity and rollback (auto-generated vs explicit), a verified Liquibase 5.0.3 filename-caching defect, the new OSS license service, the FSL license change, and running both tools against one database. Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Q6XdRjtsp4862EM44T7i9a
16 lines
715 B
Plaintext
16 lines
715 B
Plaintext
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Flyway: two instances calling migrate() at the same moment
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captured: 2026-09-15T07:07:28.249758300Z
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instance A migrate() took 932ms
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instance B migrate() took 910ms
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wall-clock time for both, run concurrently: 937ms
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-- flyway_schema_history after both finished --
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installed_rank | version | description | success
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---------------+---------+-------------------------------------------+--------
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-1 | NULL | << Flyway Schema History table created >> | true
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1 | 1 | SlowMigration | true
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(2 rows)
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