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Fix bug on index selectivity from mariaDB

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Adding type in index summary
This commit is contained in:
Christine 2016-03-22 09:54:26 +01:00
parent 1ffee5606a
commit 805651d44b
1 changed files with 8 additions and 5 deletions
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13
mysqltuner.pl
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@ -2908,7 +2908,7 @@ FROM INFORMATION_SCHEMA.STATISTICS s
, MAX(SEQ_IN_INDEX) AS max_columns
FROM INFORMATION_SCHEMA.STATISTICS
WHERE TABLE_SCHEMA NOT IN ('mysql', 'information_schema', 'performance_schema')
AND INDEX_TYPE <> "FULLTEXT"
AND INDEX_TYPE <> 'FULLTEXT'
GROUP BY TABLE_SCHEMA, TABLE_NAME, INDEX_NAME
) AS s2
ON s.TABLE_SCHEMA = s2.TABLE_SCHEMA
@ -2933,18 +2933,20 @@ ENDSQL
infoprint " +-- NB COLS : " . $info[3] . " column(s)";
infoprint " +-- CARDINALITY : " . $info[4] . " distinct values";
infoprint " +-- NB ROWS : " . $info[5] . " rows";
infoprint " +-- SELECTIVITY : " . $info[6] . "%";
infoprint " +-- TYPE : " . $info[6] ;
infoprint " +-- SELECTIVITY : " . $info[7] . "%";
$result{'Indexes'}{ $info[1] }{'Colunm'} = $info[0];
$result{'Indexes'}{ $info[1] }{'Sequence number'} = $info[2];
$result{'Indexes'}{ $info[1] }{'Number of collunm'} = $info[3];
$result{'Indexes'}{ $info[1] }{'Cardianality'} = $info[4];
$result{'Indexes'}{ $info[1] }{'Row number'} = $info[5];
$result{'Indexes'}{ $info[1] }{'Selectivity'} = $info[6];
if ( $info[6] < 25 ) {
$result{'Indexes'}{ $info[1] }{'Index Type'} = $info[6];
$result{'Indexes'}{ $info[1] }{'Selectivity'} = $info[7];
if ( $info[7] < 25 ) {
badprint "$info[1] has a low selectivity";
}
}
}
return
unless ( defined( $myvar{'performance_schema'} )
@ -3173,6 +3175,7 @@ You must provide the remote server's total memory when connecting to other serve
--debug Print debug information
--dbstat Print database information
--idxstat Print index information
--bannedports ports banned separated by comma(,)
--cvefile CVE File for vulnerability checks
--nocolor Don't print output in color
--json Print result as JSON string