[Common] Q-vector correction fail safety

[MaximVirta]

Added empty histograms to avoid crashing when no correction objects are found.

[github-actions]

O2 linter results: ❌ 1 errors, ⚠️ 0 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/code-check for de3711f at 2026-07-13 10:06:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 19 errors and 19 warnings.'
Found 19 errors and 19 warnings.
++ [[ 19 -gt 0 ]]
++ cat /sw/BUILD/c0b3b34dc35ce8a3a5127e11b6defacffefde520/O2Physics-code-check/errors.txt
Common/TableProducer/qVectorsTable.cxx:67:8: error: constructor does not initialize these fields: ccdb, fv0geom, cent [cppcoreguidelines-pro-type-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:68:3: error: initial values in enum 'qVectorsTable::Detectors' are not consistent, consider explicit initialization of all, none or only the first enumerator [readability-enum-initial-value,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:167:37: error: initializer for member 'FT0RelGainConst' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:168:37: error: initializer for member 'FV0RelGainConst' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:183:15: error: member 'minAmplitude' of type 'const float' is const qualified [cppcoreguidelines-avoid-const-or-ref-data-members,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:187:33: error: initializer for member 'corrsQvecSp' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:188:34: error: initializer for member 'corrsQvecEse' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:189:42: error: initializer for member 'shiftProfileSp' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:190:43: error: initializer for member 'shiftProfileEse' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:395:33: error: the const qualified parameter 'track' is copied for each invocation; consider making it a reference [performance-unnecessary-value-param,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:429:7: error: do not use 'else' after 'return' [readability-else-after-return,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:595:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:596:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:597:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:598:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:599:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:600:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:601:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:781:11: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
++ [[ 19 -gt 0 ]]
++ cat /sw/BUILD/c0b3b34dc35ce8a3a5127e11b6defacffefde520/O2Physics-code-check/warnings.txt
Common/TableProducer/qVectorsTable.cxx:397:36: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:399:36: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:401:32: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:403:35: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:405:32: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:407:47: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:409:35: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:411:30: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:413:29: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:857:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:859:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:861:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:863:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:865:39: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:867:39: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:869:39: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:881:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:883:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:885:37: warning: statement should be inside braces [readability-braces-around-statements]
++ [[ 19 -gt 0 ]]
++ exit 1
[0 more errors; see full log]

Full log here.

[alibuild]

Error while checking build/O2Physics/code-check for 27ea0a7 at 2026-07-13 10:12:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 21 errors and 19 warnings.'
Found 21 errors and 19 warnings.
++ [[ 21 -gt 0 ]]
++ cat /sw/BUILD/a8a9740e94807432a789ef1ef51d8edde36bb6cd/O2Physics-code-check/errors.txt
Common/TableProducer/qVectorsTable.cxx:67:8: error: constructor does not initialize these fields: ccdb [cppcoreguidelines-pro-type-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:68:3: error: initial values in enum 'QVectorsTable::Detectors' are not consistent, consider explicit initialization of all, none or only the first enumerator [readability-enum-initial-value,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:163:37: error: initializer for member 'ft0RelGainConst' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:164:37: error: initializer for member 'fv0RelGainConst' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:179:15: error: member 'minAmplitude' of type 'const float' is const qualified [cppcoreguidelines-avoid-const-or-ref-data-members,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:182:13: error: member 'nShiftIndex' of type 'const int' is const qualified [cppcoreguidelines-avoid-const-or-ref-data-members,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:183:15: error: member 'trackEtaMin' of type 'const float' is const qualified [cppcoreguidelines-avoid-const-or-ref-data-members,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:185:33: error: initializer for member 'corrsQvecSp' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:186:34: error: initializer for member 'corrsQvecEse' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:187:42: error: initializer for member 'shiftProfileSp' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:188:43: error: initializer for member 'shiftProfileEse' is redundant [readability-redundant-member-init,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:393:33: error: the const qualified parameter 'track' is copied for each invocation; consider making it a reference [performance-unnecessary-value-param,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:427:7: error: do not use 'else' after 'return' [readability-else-after-return,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:593:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:594:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:595:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:596:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:597:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:598:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:599:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
Common/TableProducer/qVectorsTable.cxx:779:11: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
++ [[ 19 -gt 0 ]]
++ cat /sw/BUILD/a8a9740e94807432a789ef1ef51d8edde36bb6cd/O2Physics-code-check/warnings.txt
Common/TableProducer/qVectorsTable.cxx:395:36: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:397:36: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:399:32: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:401:35: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:403:32: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:405:47: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:407:35: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:409:30: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:411:29: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:855:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:857:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:859:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:861:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:863:39: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:865:39: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:867:39: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:879:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:881:37: warning: statement should be inside braces [readability-braces-around-statements]
Common/TableProducer/qVectorsTable.cxx:883:37: warning: statement should be inside braces [readability-braces-around-statements]
[0 more errors; see full log]

Full log here.