Allow -r without argument, defaulting to 0 #635
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ODBC sqlcmd allows -r without an explicit value, defaulting to 0 (enable stderr redirection for severity >= 11). Previously go-sqlcmd required -r0 or -r1 explicitly. Changes: - normalizeFlags: Accept empty value for -r flag - getOptionalIntArgument: Return 0 for empty value instead of -1 - Add TestErrorsToStderrDefaultValue test
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Pull request overview
This PR aims to make the legacy sqlcmd CLI accept -r without an explicit value, defaulting to 0 (redirecting severity ≥ 11 errors to stderr) for parity with ODBC sqlcmd. It updates integer flag parsing and normalization around errors-to-stderr and introduces a dedicated test to validate -r behavior.
Changes:
- Updated
getOptionalIntArgumentto treat an empty flag value as0instead of-1. - Relaxed
normalizeFlagsvalidation for theerrors-to-stderrflag to accept an empty value alongside0and1. - Added
TestErrorsToStderrDefaultValueto exercise-r0/-r1parsing andErrorsToStderrwiring.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| cmd/sqlcmd/sqlcmd.go | Adjusts optional int parsing and errors-to-stderr normalization to accommodate (intended) empty-value handling for -r. |
| cmd/sqlcmd/sqlcmd_test.go | Adds a new test for -r0/-r1 behavior and continues to exercise sqlcmd flag parsing and validation. |
- Remove dead code: empty string case in errorsToStderr switch (unreachable due to early return) - Add test for bare -r flag without argument to verify it defaults to 0
dlevy-msft-sql
added
sqlcmd switch
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ODBC sqlcmd allows -r without an explicit value, defaulting to 0 (enable stderr redirection for severity >= 11 errors). Previously go-sqlcmd required -r0 or -r1 explicitly.
Changes: