chore(popx): code simplification and refactoring #816
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| if len(legacyVersion) > 14 { | ||
| legacyVersion = legacyVersion[:14] | ||
| } | ||
| err := c.RawQuery(fmt.Sprintf("SELECT version FROM %s WHERE version IN (?, ?)", mtn), mi.Version, legacyVersion).All(&appliedMigrations) |
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We've now combined two queries into one, which should half the number of queries and (depending on the database) can significantly improve the performance of the migrate job.
| if m.Connection.Dialect.Name() == "cockroach" { | ||
| outer := fn | ||
| fn = func() error { | ||
| return crdb.Execute(outer) |
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From the documentation of crdb.Execute:
It is used to add retry handling to the execution of a single statement. If a multi-statement transaction is being run, use ExecuteTx instead.
But as the transaction is started within, we don't need to retry anything at this point.
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With my recent auto-commit changes, we should add retry to migrations that run without transactions (aka go migrations and auto commit transactions).
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| //go:embed stub/migrations/transactional/*.sql | ||
| var transactionalMigrations embed.FS | ||
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| func TestMigratorUpgrading(t *testing.T) { |
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This test was mostly skipped anyway, and I removed the "legacy" migrator with this PR, so no need to test compatibility anymore.
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While debugging the migrator, I stumbled upon a couple of improvements that could be made.
I also removed the pkgerx package, as we don't use that now for years.