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add busyTimeout() to deal with concurrency. open read-write only when needed

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frederik
2024-03-04 14:03:54 +01:00
parent 90d53a3a43
commit b0eb5e063f
7 changed files with 60 additions and 175 deletions
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scripts/history.php
+6 -7
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@@ -7,6 +7,7 @@ $_POST = filter_input_array(INPUT_POST, FILTER_SANITIZE_STRING);
error_reporting(E_ALL);
ini_set('display_errors',1);
ini_set('display_startup_errors',1);
require_once 'scripts/common.php';
if (file_exists('./scripts/thisrun.txt')) {
$config = parse_ini_file('./scripts/thisrun.txt');
@@ -22,10 +23,11 @@ $theDate = date('Y-m-d');
$chart = "Combo-$theDate.png";
$chart2 = "Combo2-$theDate.png";
$db = new SQLite3('./scripts/birds.db', SQLITE3_OPEN_CREATE | SQLITE3_OPEN_READWRITE);
$db = new SQLite3('./scripts/birds.db', SQLITE3_OPEN_READONLY);
$db->busyTimeout(1000);
$statement1 = $db->prepare("SELECT COUNT(*) FROM detections
WHERE Date == \"$theDate\"");
$statement1 = $db->prepare("SELECT COUNT(*) FROM detections WHERE Date == \"$theDate\"");
ensure_db_ok($statement1);
$result1 = $statement1->execute();
$totalcount = $result1->fetchArray(SQLITE3_ASSOC);
@@ -52,10 +54,7 @@ if(isset($_GET['blocation']) ) {
$starttime = strtotime("12 AM") + (3600*$i);
$statement1 = $db->prepare("SELECT DISTINCT(Com_Name), COUNT(*) FROM detections WHERE Date == \"$theDate\" AND Time > '".date("H:i", $starttime)."' AND Time < '".date("H:i",$starttime + 3600)."' AND Confidence > 0.75 GROUP By Com_Name ORDER BY COUNT(*) DESC");
if($statement1 == False){
echo "Database is busy";
header("refresh: 0;");
}
ensure_db_ok($statement1);
$result1 = $statement1->execute();
$detections = [];