Mycat configures sub-tables, the underlying mysql, an array overflow exception occurs in the query, what is the reason?

Question

Start mycat normally and configure sub-tables. This exception occasionally occurs when querying. Have you encountered it before? What’s the reason?

Answer 1

The reason has been found. The node table structure of each sub-table is inconsistent. It is unclear when it was changed. It is suspected that this caused problems in mycat parsing. The problem was solved after the modification