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Code Issues Releases Wiki Activity

Simplify running slow queries

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This commit is contained in:
Jakub Vrana
2018-03-09 18:06:19 +01:00
parent 67c2a91c67
commit 665fafb297
6 changed files with 35 additions and 7 deletions
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10
adminer/drivers/mysql.inc.php
View File

@@ -298,6 +298,16 @@ if (!defined("DRIVER")) {
return queries($prefix . implode(",\n", $values) . $suffix);
}
function slowQuery($query, $timeout) {
if (min_version('5.7.8', '10.1.2')) {
if (preg_match('~MariaDB~', $this->_conn->server_info)) {
return "SET STATEMENT max_statement_time=$timeout FOR $query";
} elseif (preg_match('~^(SELECT\b)(.+)~is', $query, $match)) {
return "$match[1] /*+ MAX_EXECUTION_TIME(" . ($timeout * 1000) . ") */ $match[2]";
}
}
}
function convertSearch($idf, $val, $field) {
return (preg_match('~char|text|enum|set~', $field["type"]) && !preg_match("~^utf8~", $field["collation"]) && preg_match('~[\x80-\xFF]~', $val['val'])
? "CONVERT($idf USING " . charset($this->_conn) . ")"

5
adminer/drivers/pgsql.inc.php
View File

@@ -193,6 +193,11 @@ if (isset($_GET["pgsql"])) {
return true;
}
function slowQuery($query, $timeout) {
// BEGIN, COMMIT - automatically wrapped into a transaction by pg_query but not by PDO
return "BEGIN; SET LOCAL statement_timeout = " . (1000 * $timeout) . "; $query; COMMIT";
}
function convertSearch($idf, $val, $field) {
return (preg_match('~char|text'
. (!preg_match('~LIKE~', $val["op"]) ? '|date|time(stamp)?' . (is_numeric($val["val"]) ? '|' . number_type() : '') : '')

6
adminer/drivers/simpledb.inc.php
View File

@@ -19,6 +19,7 @@ if (isset($_GET["simpledb"])) {
$params['NextToken'] = $this->next;
}
$result = sdb_request_all('Select', 'Item', $params, $this->timeout); //! respect $unbuffered
$this->timeout = 0;
if ($result === false) {
return $result;
}
@@ -236,6 +237,11 @@ if (isset($_GET["simpledb"])) {
function rollback() {
return false;
}
function slowQuery($query, $timeout) {
$this->_conn->timeout = $timeout;
return $query;
}
}