protected static function _gather_stat($table, $column, $value, $max_size = -1)
{
global $DB;
$table = trim($table, "`");
$column = trim($column, "`");
$arStat = CPerfQueryStat::GatherTableStat($table);
if ($max_size < 0 || $arStat["TABLE_SIZE"] < $max_size) {
$table = preg_replace("/[^A-Za-z0-9%_]+/i", "", $table);
$column = preg_replace("/[^A-Za-z0-9%_]+/i", "", $column);
if (isset($value)) {
$rs = $DB->Query($d = "\n\t\t\t\t\tselect count(1) CNT\n\t\t\t\t\tfrom " . $DB->ForSQL($table) . "\n\t\t\t\t\twhere " . $DB->ForSQL($column) . " = '" . $DB->ForSQL($value) . "'\n\t\t\t\t");
} else {
$rs = $DB->Query($d = "\n\t\t\t\t\tselect count(distinct " . $DB->ForSQL($column) . ") CNT\n\t\t\t\t\tfrom " . $DB->ForSQL($table) . "\n\t\t\t\t");
}
if ($ar = $rs->Fetch()) {
$DB->Add("b_perf_tab_column_stat", array("TABLE_NAME" => $table, "COLUMN_NAME" => $column, "TABLE_ROWS" => $arStat["TABLE_ROWS"], "COLUMN_ROWS" => $ar["CNT"], "VALUE" => isset($value) ? $value : false));
}
return true;
} else {
return false;
}
}
</tr>
<tr>
<td align="right" class="adm-detail-valign-top">
<table class="internal">
<tr class="heading">
<td><?php
echo GetMessage("PERFMON_IDETAIL_TABLE_COLUMN");
?>
</td>
<td><?php
echo GetMessage("PERFMON_IDETAIL_COLUMN_DATA_TYPE");
?>
</td>
</tr>
<?php
foreach (CPerfQueryStat::GetTableColumns($arSuggest["TABLE_NAME"]) as $column_name => $arColumn) {
$b = in_array($column_name, $arColumns);
?>
<tr>
<td><?php
echo ($b ? "<b>" : "") . htmlspecialcharsex($column_name) . ($b ? "</b>" : "");
?>
</td>
<td><?php
echo htmlspecialcharsex($arColumn["Type"]);
?>
</td>
</tr>
<?php
}
?>
$missed_keys = $q->suggest_index($alias);
if ($missed_keys) {
$arMissedKeys = array_merge($arMissedKeys, $missed_keys);
}
}
}
}
}
}
}
if (!empty($arMissedKeys)) {
foreach (array_unique($arMissedKeys) as $suggest) {
list($alias, $table, $columns) = explode(":", $suggest);
if (!CPerfQueryStat::IsBanned($table, $columns) && !CPerfomanceIndexComplete::IsBanned($table, $columns)) {
if (CPerfQueryStat::GatherExpressStat($table, $columns, $q) && !CPerfQueryStat::IsSelective($table, $columns, $q)) {
CPerfQueryStat::Ban($table, $columns);
} else {
CPerfomanceIndexSuggest::Add(array("TABLE_NAME" => $table, "TABLE_ALIAS" => $alias, "COLUMN_NAMES" => $columns, "SQL_TEXT" => $arSQL["SQL_TEXT"], "SQL_MD5" => $sql_md5, "SQL_COUNT" => 0, "SQL_TIME" => 0, "SQL_EXPLAIN" => serialize($arExplain)));
}
}
}
CPerfomanceIndexSuggest::UpdateStat($sql_md5, 1, $arSQL["QUERY_TIME"], $arSQL["ID"]);
}
}
} else {
CPerfomanceIndexSuggest::UpdateStat($sql_md5, 1, $arSQL["QUERY_TIME"], $arSQL["ID"]);
}
$last_id = $arSQL["ID"];
}
}
break;
