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query建议使用 ` ` 引用
https://github.com/go-programming-tour-book/tour/blob/7a9f824862e3950418f112b846ee8e49d05f1572/internal/sql2struct/mysql.go#L85 建议改为
query := `SELECT COLUMN_NAME, DATA_TYPE, COLUMN_KEY,
IS_NULLABLE, COLUMN_TYPE, COLUMN_COMMENT
FROM COLUMNS WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ?`
如果使用 " " 引号,可能出现 dbModel: GetColumns err: Error 1054: Unknown column '...' in 'field list'
的 error