dedecms数据分表

-- 假设有两个分表：table_1 和 table_2
SELECT * 
FROM table_1 
JOIN table_2 ON table_1.id = table_2.id 
WHERE table_1.condition = 'value';

<?php
// 假设根据ID进行分表
$id = 123;
$table_name = 'table_' . ($id % 10);

$sql = "INSERT INTO $table_name (column1, column2) VALUES (?, ?)";
$stmt = $pdo->prepare($sql);
$stmt->execute(['value1', 'value2']);
?>

<?php
try {
    $pdo->beginTransaction();

    // 插入数据到table_1
    $sql1 = "INSERT INTO table_1 (column1, column2) VALUES (?, ?)";
    $stmt1 = $pdo->prepare($sql1);
    $stmt1->execute(['value1', 'value2']);

    // 插入数据到table_2
    $sql2 = "INSERT INTO table_2 (column1, column2) VALUES (?, ?)";
    $stmt2 = $pdo->prepare($sql2);
    $stmt2->execute(['value1', 'value2']);

    $pdo->commit();
} catch (Exception $e) {
    $pdo->rollBack();
    echo "Error: " . $e->getMessage();
}
?>