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Editorial Team
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Asked: 2026-05-12T17:49:38+00:00

I am running a LOAD DATA INFILE command in MySQL and one of the

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I am running a LOAD DATA INFILE command in MySQL and one of the files is showing errors at the mysql prompt.

How do I check the warnings and errors? Right now the only thing I have to go by is the fact that the prompt reports 65,535 warnings on import.

mysql> use dbname;
Database changed
mysql> LOAD DATA LOCAL INFILE '/dump.txt'
    -> INTO TABLE table
    -> (id, title, name, accuracy);
Query OK, 897306 rows affected, 65535 warnings (16.09 sec)
Records: 897306  Deleted: 0  Skipped: 0  Warnings: 0

How do I get mysql to show me what those warnings are? I looked in the error log but I couldn’t find them. Running the “SHOW WARNINGS” command only returned 64 results which means that the remaining 65,000 warnings must be somewhere else.

2 |
| Warning | 1366 | Incorrect integer value: '' for column 'accuracy' at row 2038
3 |
| Warning | 1366 | Incorrect integer value: '' for column 'accuracy' at row 2038
4 |
| Warning | 1366 | Incorrect integer value: '' for column 'accuracy' at row 2038
6 |
| Warning | 1366 | Incorrect integer value: '' for column 'accuracy' at row 2038
7 |
+---------+------+--------------------------------------------------------------
--+
64 rows in set (0.00 sec)

How do I find these errors?

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1 Answer

  1. Editorial Team

    There could be a blank entry in the data file, and the target table doesn’t allow null values, or doesn’t have a valid default value for the field in question.

    I’d check that the table has a default for accuracy – and if it doesn’t, set it to zero and see if that clears up the errors.

    Or you could pre-process the file with ‘awk’ or similar and ensure there is a valid numeric value for the accuracy field in all rows.

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