fix(aitools): non-zero exit when discover-schema has any failed table#5116
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jamesbroadhead wants to merge 1 commit intomainfrom
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fix(aitools): non-zero exit when discover-schema has any failed table#5116jamesbroadhead wants to merge 1 commit intomainfrom
jamesbroadhead wants to merge 1 commit intomainfrom
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Per-table failures were rendered into stdout but the command still returned nil from RunE, so the process exited 0 even when every table failed. Scripts and CI couldn't detect failure without parsing output for "Error discovering ...", which is exactly the kind of err.Error() string-matching the repo's style guide forbids. Extract the loop into runDiscoverSchemas which returns (output, anyFailed). RunE prints the output and returns root.ErrAlreadyPrinted when anyFailed is true so cobra produces a non-zero exit without re-printing the errors. Behavior preserved: per-table failures still don't abort the others. Co-authored-by: Isaac
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Summary
databricks aitools tools discover-schema TABLE...rendered per-table failures into stdout but always returnednilfrom RunE. Even when every table failed, the process exited0, so scripts and CI couldn't detect failure without grepping output for"Error discovering "— exactly the kind oferr.Error()string-matching the repo's style guide forbids.Extract the loop into
runDiscoverSchemaswhich returns(output, anyFailed). RunE prints the output and returnsroot.ErrAlreadyPrintedwhenanyFailedis true so cobra produces a non-zero exit without re-printing the per-table errors. Behavior preserved: one bad table still doesn't abort the others.Spotted via multi-model code review on #4917 (GPT 5.4). Pre-existing in #5097, not introduced by #4917 — sending as a separate small fix per the "keep PRs focused" rule.
Test plan
go test ./experimental/aitools/cmd/(new tests:TestRunDiscoverSchemasFlagsTableFailureForExitCode,TestRunDiscoverSchemasAllSucceedReturnsFalse).databricks aitools tools discover-schema doesnt.exist.foo; echo $?should now print1.0.This pull request and its description were written by Isaac.