MaxCompute - Supports Using Parentheses to Specify the Priority of JOIN and SETOP Operations
Oct 28 2019
MaxComputeMaxCompute SQL now allows you to use parentheses () to specify the priority of JOIN and SETOP operations for more flexible user operations.
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Target customers: Alibaba Cloud MaxCompute users. Features released: You can now use parentheses () to specify the priority of JOIN operations. The JOIN operation enclosed in parentheses () has a higher priority. For example, in the SELECT * FROM src JOIN (src2 JOIN src3 on xxx) ON yyy; statement, the src2 JOIN src3 operation is performed first and the src JOIN operation is then performed on the obtained results.
