[GLUTEN-12306][FLINK][VL] Route print sink options to Velox via reflection (no file path)#12320
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[GLUTEN-12306][FLINK][VL] Route print sink options to Velox via reflection (no file path)#12320ggjh-159 wants to merge 1 commit into
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fix: #12306
related prs: bigo-sg/velox#49 bigo-sg/velox4j#39
What changes are proposed in this pull request?
This PR consumes the companion velox PR (which now writes to
std::cout/std::cerr):Configuration/CoreOptions/ConfigConstantsimports.PrintSinkFactory.extractPrintOptionsreflects into theRowDataPrintFunction→PrintSinkOutputWriterto read the user-suppliedsinkIdentifier(print-identifier) andtarget(true = stderr) fields, and passes them through toPrintTableHandle(tableName, inputColumns, printIdentifier, isStdErr).N>prefix fromparallelism/task_indexsession properties and serializes concurrent subtask writes with a process-wide mutex.How was this patch tested?
parallelism.default = 2, nexmarkevents.num = 10000, tps = 2000, query q0: every bid row reachestaskmanager.out, each line carries the1>/2>subtask prefix, no truncation across subtasks.