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functions for get values for different table ENGINE type

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This commit is contained in:
thilinaa 2012-08-11 11:20:05 +05:30
parent 2f9431e223
commit cbc8a4c5c5
2 changed files with 176 additions and 98 deletions
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103
db_structure.php
View File

@ -111,8 +111,6 @@ echo PMA_generate_common_hidden_inputs($db);
echo PMA_TableHeader($db_is_information_schema, $server_slave_status);
$i = $sum_entries = 0;
$sum_size = (double) 0;
$overhead_size = (double) 0;
$overhead_check = '';
$create_time_all = '';
$update_time_all = '';
@ -136,103 +134,12 @@ foreach ($tables as $keyname => $each_table) {
// Sets parameters for links
$tbl_url_query = $url_query . '&table=' . $table_encoded;
// do not list the previous table's size info for a view
$formatted_size = '-';
$unit = '';
switch ( $each_table['ENGINE']) {
// MyISAM, ISAM or Heap table: Row count, data size and index size
// are accurate; data size is accurate for ARCHIVE
case 'MyISAM' :
case 'ISAM' :
case 'HEAP' :
case 'MEMORY' :
case 'ARCHIVE' :
case 'Aria' :
case 'Maria' :
if ($db_is_information_schema) {
$each_table['Rows'] = PMA_Table::countRecords(
$db, $each_table['Name']
list($each_table, $formatted_size, $unit, $formatted_overhead,
$overhead_unit, $overhead_size, $table_is_view)
= PMA_getStuffForEnginetable($each_table, $db_is_information_schema,
$is_show_stats
);
}
if ($is_show_stats) {
$tblsize = doubleval($each_table['Data_length']) + doubleval($each_table['Index_length']);
$sum_size += $tblsize;
list($formatted_size, $unit) = $common_functions->formatByteDown(
$tblsize, 3, ($tblsize > 0) ? 1 : 0
);
if (isset($each_table['Data_free']) && $each_table['Data_free'] > 0) {
list($formatted_overhead, $overhead_unit)
= $common_functions->formatByteDown(
$each_table['Data_free'], 3,
($each_table['Data_free'] > 0) ? 1 : 0
);
$overhead_size += $each_table['Data_free'];
}
}
break;
case 'InnoDB' :
case 'PBMS' :
// InnoDB table: Row count is not accurate but data and index sizes are.
// PBMS table in Drizzle: TABLE_ROWS is taken from table cache, so it may be unavailable
if (($each_table['ENGINE'] == 'InnoDB'
&& $each_table['TABLE_ROWS'] < $GLOBALS['cfg']['MaxExactCount'])
|| !isset($each_table['TABLE_ROWS'])
) {
$each_table['COUNTED'] = true;
$each_table['TABLE_ROWS'] = PMA_Table::countRecords(
$db, $each_table['TABLE_NAME'],
$force_exact = true, $is_view = false
);
} else {
$each_table['COUNTED'] = false;
}
// Drizzle doesn't provide data and index length, check for null
if ($is_show_stats && $each_table['Data_length'] !== null) {
$tblsize = $each_table['Data_length'] + $each_table['Index_length'];
$sum_size += $tblsize;
list($formatted_size, $unit) = $common_functions->formatByteDown(
$tblsize, 3, ($tblsize > 0) ? 1 : 0
);
}
//$display_rows = ' - ';
break;
// Mysql 5.0.x (and lower) uses MRG_MyISAM and MySQL 5.1.x (and higher) uses MRG_MYISAM
// Both are aliases for MERGE
case 'MRG_MyISAM' :
case 'MRG_MYISAM' :
case 'MERGE' :
case 'BerkeleyDB' :
// Merge or BerkleyDB table: Only row count is accurate.
if ($is_show_stats) {
$formatted_size = ' - ';
$unit = '';
}
break;
// for a view, the ENGINE is sometimes reported as null,
// or on some servers it's reported as "SYSTEM VIEW"
case null :
case 'SYSTEM VIEW' :
case 'FunctionEngine' :
// if table is broken, Engine is reported as null, so one more test
if ($each_table['TABLE_TYPE'] == 'VIEW') {
// countRecords() takes care of $cfg['MaxExactCountViews']
$each_table['TABLE_ROWS'] = PMA_Table::countRecords(
$db, $each_table['TABLE_NAME'],
$force_exact = true, $is_view = true
);
$table_is_view = true;
}
break;
default :
// Unknown table type.
if ($is_show_stats) {
$formatted_size = __('unknown');
$unit = '';
}
} // end switch
if (! PMA_Table::isMerge($db, $each_table['TABLE_NAME'])) {
$sum_entries += $each_table['TABLE_ROWS'];

171
libraries/structure.lib.php
View File

@ -966,4 +966,175 @@ function PMA_getServerSlaveStatus($server_slave_status, $truename) {
return array($do, $ignored);
}
/**
* Get the value set for ENGINE table,
* $each_table, $formatted_size, $unit, $formatted_overhead,
* $overhead_unit, $overhead_size, $table_is_view
*
* @param array $each_table current table
* @param boolean $db_is_information_schema whether db is information schema or not
* @param boolean $is_show_stats whether stats show or not
*
* @return array
*/
function PMA_getStuffForEnginetable($each_table, $db_is_information_schema,
$is_show_stats
) {
$common_functions = PMA_CommonFunctions::getInstance();
$sum_size = (double) 0;
$overhead_size = (double) 0;
$formatted_size = '-';
$unit = '';
$formatted_overhead = '';
$overhead_unit = '';
switch ( $each_table['ENGINE']) {
// MyISAM, ISAM or Heap table: Row count, data size and index size
// are accurate; data size is accurate for ARCHIVE
case 'MyISAM' :
case 'ISAM' :
case 'HEAP' :
case 'MEMORY' :
case 'ARCHIVE' :
case 'Aria' :
case 'Maria' :
list($each_table, $formatted_size, $unit, $formatted_overhead,
$overhead_unit, $overhead_size) = PMA_getValuesForMariaTable(
$db_is_information_schema, $each_table,
$is_show_stats, $sum_size, $overhead_size
);
break;
case 'InnoDB' :
case 'PBMS' :
// InnoDB table: Row count is not accurate but data and index sizes are.
// PBMS table in Drizzle: TABLE_ROWS is taken from table cache,
// so it may be unavailable
list($each_table, $formatted_size, $unit, $sum_size)
= PMA_getValuesForPbmsTable($each_table, $is_show_stats, $sum_size);
//$display_rows = ' - ';
break;
// Mysql 5.0.x (and lower) uses MRG_MyISAM
// and MySQL 5.1.x (and higher) uses MRG_MYISAM
// Both are aliases for MERGE
case 'MRG_MyISAM' :
case 'MRG_MYISAM' :
case 'MERGE' :
case 'BerkeleyDB' :
// Merge or BerkleyDB table: Only row count is accurate.
if ($is_show_stats) {
$formatted_size = ' - ';
$unit = '';
}
break;
// for a view, the ENGINE is sometimes reported as null,
// or on some servers it's reported as "SYSTEM VIEW"
case null :
case 'SYSTEM VIEW' :
case 'FunctionEngine' :
// if table is broken, Engine is reported as null, so one more test
if ($each_table['TABLE_TYPE'] == 'VIEW') {
// countRecords() takes care of $cfg['MaxExactCountViews']
$each_table['TABLE_ROWS'] = PMA_Table::countRecords(
$GLOBALS['db'], $each_table['TABLE_NAME'],
$force_exact = true, $is_view = true
);
$table_is_view = true;
}
break;
default :
// Unknown table type.
if ($is_show_stats) {
$formatted_size = __('unknown');
$unit = '';
}
} // end switch
return array($each_table, $formatted_size, $unit, $formatted_overhead,
$overhead_unit, $overhead_size, $table_is_view
);
}
/**
* Get values for MARIA tables
* $each_table, $formatted_size, $unit, $formatted_overhead,
* $overhead_unit, $overhead_size
*
* @param boolean $db_is_information_schema whether db is information schema or not
* @param array $each_table current table
* @param boolean $is_show_stats whether stats show or not
* @param double $sum_size sum size
* @param double $overhead_size overhead size
*
* @return array
*/
function PMA_getValuesForMariaTable($db_is_information_schema, $each_table,
$is_show_stats, $sum_size, $overhead_size
) {
$common_functions = PMA_CommonFunctions::getInstance();
if ($db_is_information_schema) {
$each_table['Rows'] = PMA_Table::countRecords(
$GLOBALS['db'], $each_table['Name']
);
}
if ($is_show_stats) {
$tblsize = doubleval($each_table['Data_length'])
+ doubleval($each_table['Index_length']);
$sum_size += $tblsize;
list($formatted_size, $unit) = $common_functions->formatByteDown(
$tblsize, 3, ($tblsize > 0) ? 1 : 0
);
if (isset($each_table['Data_free']) && $each_table['Data_free'] > 0) {
list($formatted_overhead, $overhead_unit)
= $common_functions->formatByteDown(
$each_table['Data_free'], 3,
($each_table['Data_free'] > 0) ? 1 : 0
);
$overhead_size += $each_table['Data_free'];
}
}
return array($each_table, $formatted_size, $unit, $formatted_overhead,
$overhead_unit, $overhead_size
);
}
/**
* Get valuse for PBMS table
* $each_table, $formatted_size, $unit, $sum_size
*
* @param array $each_table current table
* @param boolean $is_show_stats whether stats show or not
* @param double $sum_size sum size
*
* @return array
*/
function PMA_getValuesForPbmsTable($each_table, $is_show_stats, $sum_size)
{
$common_functions = PMA_CommonFunctions::getInstance();
if (($each_table['ENGINE'] == 'InnoDB'
&& $each_table['TABLE_ROWS'] < $GLOBALS['cfg']['MaxExactCount'])
|| !isset($each_table['TABLE_ROWS'])
) {
$each_table['COUNTED'] = true;
$each_table['TABLE_ROWS'] = PMA_Table::countRecords(
$GLOBALS['db'], $each_table['TABLE_NAME'],
$force_exact = true, $is_view = false
);
} else {
$each_table['COUNTED'] = false;
}
// Drizzle doesn't provide data and index length, check for null
if ($is_show_stats && $each_table['Data_length'] !== null) {
$tblsize = $each_table['Data_length'] + $each_table['Index_length'];
$sum_size += $tblsize;
list($formatted_size, $unit) = $common_functions->formatByteDown(
$tblsize, 3, ($tblsize > 0) ? 1 : 0
);
}
return array($each_table, $formatted_size, $unit, $sum_size);
}
?>