HangyuanLiu commented on a change in pull request #2187: Fix bug :
num_of_columns_from_file incompatibility cause BE crashed during the upgrade
URL: https://github.com/apache/incubator-doris/pull/2187#discussion_r345660630
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File path: gensrc/thrift/PlanNodes.thrift
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@@ -116,7 +116,7 @@ struct TBrokerRangeDesc {
// total size of the file
8: optional i64 file_size
// number of columns from file
- 9: optional i32 num_of_columns_from_file = 0
+ 9: optional i32 num_of_columns_from_file
Review comment:
Because if code set the default value here, thrift's __isset will default to
true, there's no way to determine the compatibility of fe/be, and the default
value here of 0 doesn't make any sense, so I removed it
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