'Error while sending QUERY packet': Data Limit Exceeded? How to Fix it

"Error while Sending QUERY Packet": Understanding the Problem and its Solution

While attempting to insert data into a database, an error message surfaced indicating "Error while sending QUERY packet." This issue prompted further investigation into the possible cause.

Upon reviewing the code, it was observed that the data being inserted exceeded 16MB in size. The column's data type was set as "longtext," which is capable of accommodating up to 4GB of data.

Based on this information, it was hypothesized that either PDO (PHP Data Objects) may encounter difficulties executing the query or efficiently transmitting such a large amount of data (16MB) to the database. The assumption was made because MySQL manages data transfers in "packets," and it's possible that a single packet has a capacity limit of 16MB.

Resolution:

To address this issue, two potential solutions emerged:

1. Breaking the Query into Smaller Units: Dividing the large data into smaller manageable chunks would allow for successful execution of the query.
2. Modifying "max_allowed_packet": Increasing the value of the "max_allowed_packet" variable by using the query "SET GLOBAL max_allowed_packet=524288000;" enables the system to accommodate larger data transfers.

By implementing either of these solutions, the "Error while sending QUERY packet" would be resolved, allowing for seamless data insertion into the database.

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