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Fatal error: Allowed memory size of 50331648 bytes exhausted (tried to allocate 78 bytes) in /home/u500028/ews/workspace/php/appcode/webroot/htdocs/ThinkPHP/Library/Think/Db/Driver.class.php on line 289
这句话什么意思
The memory has overflowed. Querying a large amount of data should be done in batches
The memory has overflowed. Querying a large amount of data should be done in batches