MySQL : MySQL query with 2 joins, large keylen leads to 'Copying to tmp table on disk' process hangi

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MySQL : MySQL query with 2 joins, large keylen leads to 'Copying to tmp table on disk' process hanging forever
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MySQL : MySQL query with 2 joins, large keylen leads to 'Copying to tmp table on disk' process hanging forever
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tmp leads table large keylen on MySQL MySQL forever with 'Copying : to to process 2 joins, query hanging disk'



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