thinkphp3.2 SHOW COLUMNS,
that's getting table field information. Read the table field of the database directly in debug mode. If there is a cache in non-debug mode, reads will be less frequent, and table structure changes in non-debug mode can only be updated by uploading the cache.
in thinkphp5, you can use php think optimize:schema
to generate table structure cache
change the frame source code and filter show columns
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