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MySQLでdumpしたビューがテーブルとして登録されてしまう件を解消する

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概要

  • RDSのMySQL(5.7.33-log)からdumpしたデータをインポートしたらビューがテーブルとして登録されてしまった

解決方法

  • ビューはビュー、テーブルはテーブルで別々にdumpする

解決例

私は業務の都合上PHPで実施しなければいけなかったので、こんな感じで実施しました。

sample.php
$ignore_views = [];
$sql = 'select TABLE_NAME from information_schema.TABLES where TABLE_SCHEMA = "schemaname" and TABLE_TYPE = "VIEW";';
$select_view_cmd = "/usr/bin/mysql -uusername -ppassword -hhostname schemaname -e'" . $sql . "'";
$views = [];

exec($select_view_cmd, $views, $result_code);
$view_tables = '';
if ($result_code === 0) {
    foreach ($views as $view) {
        if ($view === "TABLE_NAME") {
            continue;
        }
        $ignore_views[] = "--ignore-table=schemaname." . $view;
        $view_tables .= ' ' . $view;
    }
}
if (!empty($view_tables)) {
    $create_view_cmd = "/usr/bin/mysqldump --skip-tz-utc --single-transaction --no-tablespaces -hhostname -uusername -ppassword schemaname" . $view_tables . " > create_view.sql";
    exec($create_view_cmd);
}

$ignore_table = '';
if (!empty($ignore_views)) {
    $ignore_table = implode(' ', $ignore_views);
}
$dump_cmd = "/usr/bin/mysqldump --skip-tz-utc --single-transaction --routines --events -hhostname -uusername -ppassword schemaname " . $ignore_table . " > dump.sql";
exec($dump_cmd);

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