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pt-duplicate-key-checker added explanation of index size in docs

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Frank Cizmich
2015-03-20 12:17:43 -03:00
parent 16a7ffa6f9
commit 39b0e026c8
1 changed files with 4 additions and 0 deletions
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@@ -5220,6 +5220,10 @@ It also looks for duplicate foreign keys. A duplicate foreign key covers the
same columns as another in the same table, and references the same parent
table.
The output ends with a short summary that includes the total size in bytes
that the duplicate indexes ara using. This is calculated by multiplying the
index length in bytes times the number of rows in their respective tables.
=head1 OPTIONS
This tool accepts additional command-line arguments. Refer to the