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Proper documentation of the setting

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Amos Bird 2021-06-12 21:37:26 +08:00
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src/Core/Settings.h
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@ -251,7 +251,7 @@ class IColumn;
M(String, metrics_perf_events_list, "", "Comma separated list of perf metrics that will be measured throughout queries' execution. Empty means all events. See PerfEventInfo in sources for the available events.", 0) \ M(String, metrics_perf_events_list, "", "Comma separated list of perf metrics that will be measured throughout queries' execution. Empty means all events. See PerfEventInfo in sources for the available events.", 0) \
M(Float, opentelemetry_start_trace_probability, 0., "Probability to start an OpenTelemetry trace for an incoming query.", 0) \ M(Float, opentelemetry_start_trace_probability, 0., "Probability to start an OpenTelemetry trace for an incoming query.", 0) \
M(Bool, prefer_column_name_to_alias, false, "Prefer using column names instead of aliases if possible.", 0) \ M(Bool, prefer_column_name_to_alias, false, "Prefer using column names instead of aliases if possible.", 0) \
M(Bool, prefer_global_in_and_join, false, "Prefer using GLOBAL IN/JOIN if possible.", 0) \ M(Bool, prefer_global_in_and_join, false, "If enabled, all IN/JOIN operators will be rewritten as GLOBAL IN/JOIN. It's useful when the to-be-joined tables are only available on the initiator and we need to always scatter their data on-the-fly during distributed processing with the GLOBAL keyword. It's also useful to reduce the need to access the external sources joining external tables.", 0) \
\ \
\ \
/** Limits during query execution are part of the settings. \ /** Limits during query execution are part of the settings. \