whitedot
7a80ae913d
테스트·운영 발신지와 결제 당시 상점·거래·계좌·금액을 대조하여 위조 입금 처리를 차단한다. 개인결제와 연결 주문의 중복 가산을 막고 통보 이력과 목표값으로 MyISAM/InnoDB 중간 실패를 재처리한다. DB 마이그레이션과 기존 거래 적용·복구 안내를 추가했다. 격리 HTTP/MySQL 검사 420개, PHP 문법 검사와 설치 스키마 대조가 통과했다. 실제 KCP 연동 확인과 배포·KISA 회신은 별도 진행이 필요하다.
630 lines
24 KiB
PHP
630 lines
24 KiB
PHP
<?php
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if (!defined('_GNUBOARD_')) exit;
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/**
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* 버전형 DB 마이그레이션 파일을 읽고 실행한다.
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*
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* 마이그레이션 SQL은 G5_PATH/migrations 아래에 두며 파일명 순서대로 실행한다.
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* 일반 웹 요청에서는 이 라이브러리를 불러와도 DDL을 실행하지 않는다.
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*/
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function g5_migration_table_name()
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{
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return G5_TABLE_PREFIX . 'migrations';
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}
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function g5_migration_path()
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{
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return G5_PATH . '/migrations';
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}
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function g5_migration_replace_placeholders($sql)
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{
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global $g5;
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$replacements = array();
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foreach ($g5 as $key => $table) {
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if (substr($key, -6) === '_table' && is_string($table) && $table !== '') {
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$replacements['{{' . $key . '}}'] = $table;
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}
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}
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$shop_prefix = defined('G5_SHOP_TABLE_PREFIX') ? G5_SHOP_TABLE_PREFIX : G5_TABLE_PREFIX . 'shop_';
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$fallbacks = array(
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'member_auto_login_table' => G5_TABLE_PREFIX . 'member_auto_login',
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'g5_shop_cart_table' => $shop_prefix . 'cart',
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'g5_shop_item_table' => $shop_prefix . 'item',
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'g5_shop_order_table' => $shop_prefix . 'order',
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'g5_shop_personalpay_table' => $shop_prefix . 'personalpay',
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'g5_shop_kcp_noti_table' => $shop_prefix . 'kcp_noti',
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'g5_shop_default_table' => $shop_prefix . 'default',
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'g5_shop_coupon_table' => $shop_prefix . 'coupon',
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'g5_shop_coupon_log_table' => $shop_prefix . 'coupon_log',
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'g5_shop_coupon_zone_table' => $shop_prefix . 'coupon_zone',
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'g5_shop_inicis_log_table' => $shop_prefix . 'inicis_log',
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'g5_shop_order_data_table' => $shop_prefix . 'order_data',
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'g5_shop_post_log_table' => $shop_prefix . 'order_post_log',
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'g5_shop_order_cancel_log_table' => $shop_prefix . 'order_cancel_log',
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'g5_shop_inicis_pay_table' => $shop_prefix . 'inicis_pay',
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'g5_shop_inicis_pay_event_table' => $shop_prefix . 'inicis_pay_event',
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'sms5_config_table' => G5_TABLE_PREFIX . 'sms5_config',
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'sms5_write_table' => G5_TABLE_PREFIX . 'sms5_write',
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'sms5_history_table' => G5_TABLE_PREFIX . 'sms5_history',
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'sms5_book_table' => G5_TABLE_PREFIX . 'sms5_book',
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'sms5_book_group_table' => G5_TABLE_PREFIX . 'sms5_book_group',
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'sms5_form_table' => G5_TABLE_PREFIX . 'sms5_form',
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'sms5_form_group_table' => G5_TABLE_PREFIX . 'sms5_form_group'
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);
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foreach ($fallbacks as $key => $table) {
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if (!isset($replacements['{{' . $key . '}}'])) {
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$replacements['{{' . $key . '}}'] = $table;
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}
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}
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return strtr($sql, $replacements);
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}
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function g5_migration_parse_condition($directive, $file)
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{
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if (!preg_match('/^--\s*@(if|skip-if)-(table|column|index)-(exists|missing)\s+(\S+)(?:\s+(\S+))?\s*$/i', $directive, $matches)) {
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return array('error' => '지원하지 않는 실행 조건입니다: ' . basename($file) . ' - ' . trim($directive));
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}
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$condition = array(
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'object' => strtolower($matches[2]),
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'state' => strtolower($matches[3]),
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'table' => g5_migration_replace_placeholders(trim($matches[4], '`')),
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'name' => isset($matches[5]) ? trim($matches[5], '`') : ''
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);
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if ($condition['object'] !== 'table' && $condition['name'] === '') {
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return array('error' => '컬럼 또는 인덱스 이름이 없습니다: ' . basename($file));
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}
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if (strpos($condition['table'], '{{') !== false || strpos($condition['table'], '}}') !== false) {
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return array('error' => '지원하지 않는 조건 테이블 자리표시자가 있습니다: ' . basename($file));
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}
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return $condition;
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}
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function g5_migration_parse_file($file)
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{
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$contents = @file_get_contents($file);
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if ($contents === false) {
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return array('error' => '마이그레이션 파일을 읽을 수 없습니다: ' . basename($file));
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}
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$migration = array(
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'id' => pathinfo($file, PATHINFO_FILENAME),
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'description' => '',
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'skip_table' => '',
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'skip_column' => '',
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'checksum' => hash('sha256', $contents),
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'file' => $file,
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'statements' => array()
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);
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if (!preg_match('/^[0-9]{8}_[0-9]{3}_[a-z0-9_]+$/', $migration['id'])) {
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return array('error' => '마이그레이션 파일명이 규칙에 맞지 않습니다: ' . basename($file));
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}
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if (preg_match('/^--\s*@description\s+(.+)$/mi', $contents, $matches)) {
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$migration['description'] = trim($matches[1]);
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}
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if (preg_match('/^--\s*@skip-if-column\s+(\S+)\s+(\S+)$/mi', $contents, $matches)) {
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$migration['skip_table'] = g5_migration_replace_placeholders(trim($matches[1], '`'));
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$migration['skip_column'] = trim($matches[2], '`');
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}
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$conditions = array();
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$foreach_write_column = '';
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$foreach_write_table = false;
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$foreach_content_seo = false;
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$buffer = '';
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foreach (preg_split('/\r?\n/', $contents) as $line) {
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if (preg_match('/^\s*--\s*@skip-if-column\s+/i', $line)) {
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continue;
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}
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if (preg_match('/^\s*--\s*@foreach-write-table-if-column-missing\s+(\S+)\s*$/i', $line, $matches)) {
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$foreach_write_column = trim($matches[1], '`');
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$foreach_write_table = true;
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continue;
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}
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if (preg_match('/^\s*--\s*@foreach-write-table\s*$/i', $line)) {
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$foreach_write_table = true;
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continue;
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}
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if (preg_match('/^\s*--\s*@foreach-content-missing-seo\s*$/i', $line)) {
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$foreach_content_seo = true;
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continue;
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}
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if (preg_match('/^\s*--\s*@(if|skip-if)-/i', $line)) {
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$parsed_condition = g5_migration_parse_condition(trim($line), $file);
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if (isset($parsed_condition['error'])) {
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return $parsed_condition;
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}
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$conditions[] = $parsed_condition;
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continue;
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}
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if (preg_match('/^\s*--/', $line)) {
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continue;
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}
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$buffer .= $line . "\n";
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while (($position = strpos($buffer, ';')) !== false) {
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$statement = trim(substr($buffer, 0, $position));
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$buffer = substr($buffer, $position + 1);
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if ($statement === '') {
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continue;
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}
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if (!$foreach_write_table && !$foreach_content_seo) {
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$statement = g5_migration_replace_placeholders($statement);
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}
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$allowed_dynamic_placeholder = strpos($statement, '{{write_table}}') !== false || ($foreach_content_seo && strpos($statement, '{{content_table}}') !== false);
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if ((strpos($statement, '{{') !== false || strpos($statement, '}}') !== false) && !$allowed_dynamic_placeholder) {
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return array('error' => '지원하지 않는 테이블 자리표시자가 있습니다: ' . basename($file));
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}
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$migration['statements'][] = array('sql' => $statement, 'conditions' => $conditions, 'foreach_write_column' => $foreach_write_column, 'foreach_write_table' => $foreach_write_table, 'foreach_content_seo' => $foreach_content_seo);
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$conditions = array();
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$foreach_write_column = '';
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$foreach_write_table = false;
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$foreach_content_seo = false;
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}
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}
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if (trim($buffer) !== '') {
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return array('error' => 'SQL 문 끝에 세미콜론이 없습니다: ' . basename($file));
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}
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if (!$migration['statements']) {
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return array('error' => '실행할 SQL이 없습니다: ' . basename($file));
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}
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return $migration;
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}
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function g5_migration_discover()
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{
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$files = glob(g5_migration_path() . '/*.sql');
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$migrations = array();
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if (!$files) {
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return $migrations;
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}
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sort($files, SORT_STRING);
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foreach ($files as $file) {
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$migration = g5_migration_parse_file($file);
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if (isset($migration['error'])) {
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return array($migration);
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}
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$migrations[] = $migration;
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}
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return $migrations;
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}
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function g5_migration_table_exists($table)
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{
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$result = sql_query("SHOW TABLES LIKE '" . sql_real_escape_string($table) . "'", false);
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if (!$result) {
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return false;
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}
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while ($row = sql_fetch_array($result)) {
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if (reset($row) === $table) {
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return true;
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}
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}
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return false;
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}
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function g5_migration_column_exists($table, $column)
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{
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$result = sql_query("SHOW COLUMNS FROM `" . str_replace('`', '``', $table) . "` LIKE '" . sql_real_escape_string($column) . "'", false);
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return $result && sql_num_rows($result) > 0;
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}
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function g5_migration_index_exists($table, $index)
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{
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if (!g5_migration_table_exists($table)) {
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return false;
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}
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$result = sql_query("SHOW INDEX FROM `" . str_replace('`', '``', $table) . "` WHERE Key_name = '" . sql_real_escape_string($index) . "'", false);
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return $result && sql_num_rows($result) > 0;
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}
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function g5_migration_should_run_statement($conditions)
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{
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if (!$conditions) {
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return true;
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}
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foreach ($conditions as $condition) {
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if ($condition['object'] === 'table') {
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$exists = g5_migration_table_exists($condition['table']);
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} elseif ($condition['object'] === 'column') {
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$exists = g5_migration_column_exists($condition['table'], $condition['name']);
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} else {
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$exists = g5_migration_index_exists($condition['table'], $condition['name']);
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}
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if (($condition['state'] === 'exists') !== $exists) {
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return false;
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}
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}
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return true;
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}
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function g5_migration_execute_statement($statement)
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{
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global $g5;
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if ($statement['foreach_content_seo']) {
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if (!function_exists('exist_seo_title_recursive') || !function_exists('generate_seo_title')) {
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return array('error' => 'SEO 제목 생성 함수를 사용할 수 없습니다.', 'executed' => false);
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}
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$result = sql_query("SELECT co_id, co_subject FROM `{$g5['content_table']}` WHERE co_seo_title = ''", false);
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if (!$result) {
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return array('error' => sql_error_info(), 'executed' => false);
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}
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$executed = false;
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while ($content = sql_fetch_array($result)) {
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$seo_title = exist_seo_title_recursive('content', generate_seo_title($content['co_subject']), $g5['content_table'], $content['co_id']);
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$sql = str_replace(
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array('{{content_table}}', '{{content_id}}', '{{seo_title}}'),
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array($g5['content_table'], sql_real_escape_string($content['co_id']), sql_real_escape_string($seo_title)),
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$statement['sql']
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);
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if (!sql_query($sql, false)) {
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return array('error' => $content['co_id'] . ': ' . sql_error_info(), 'executed' => $executed);
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}
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$executed = true;
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}
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return array('error' => '', 'executed' => $executed);
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}
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if (!$statement['foreach_write_table']) {
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return array('error' => sql_query($statement['sql'], false) ? '' : sql_error_info(), 'executed' => true);
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}
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$result = sql_query("SELECT bo_table FROM `{$g5['board_table']}`", false);
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if (!$result) {
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return array('error' => sql_error_info(), 'executed' => false);
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}
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$executed = false;
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while ($board = sql_fetch_array($result)) {
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$write_table = $g5['write_prefix'] . $board['bo_table'];
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if (!g5_migration_table_exists($write_table) || ($statement['foreach_write_column'] !== '' && g5_migration_column_exists($write_table, $statement['foreach_write_column']))) {
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continue;
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}
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$sql = str_replace('{{write_table}}', $write_table, $statement['sql']);
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if (!sql_query($sql, false)) {
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return array('error' => $write_table . ': ' . sql_error_info(), 'executed' => $executed);
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}
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$executed = true;
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}
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return array('error' => '', 'executed' => $executed);
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}
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function g5_migration_get_records()
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{
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$table = g5_migration_table_name();
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$records = array();
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if (!g5_migration_table_exists($table)) {
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return $records;
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}
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$result = sql_query("SELECT migration_id, checksum, status, error_message, applied_at FROM `{$table}` ORDER BY migration_id", false);
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if (!$result) {
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return $records;
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}
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while ($row = sql_fetch_array($result)) {
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$records[$row['migration_id']] = $row;
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}
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return $records;
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}
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// 검사 실패는 객체 없음과 구분한다. 잘못된 건너뛰기 이력을 만들지 않는다.
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function g5_migration_inspect_object($object, $table, $name, &$cache)
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{
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$key = $object . ':' . $table;
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if (!array_key_exists($key, $cache)) {
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$quoted = '`' . str_replace('`', '``', $table) . '`';
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if ($object === 'table') {
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$sql = "SHOW TABLES LIKE '" . sql_real_escape_string($table) . "'";
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} elseif ($object === 'column') {
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$sql = 'SHOW COLUMNS FROM ' . $quoted;
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} else {
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$sql = 'SHOW INDEX FROM ' . $quoted;
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}
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$result = sql_query($sql, false);
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$cache[$key] = $result ? array() : null;
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if ($result) {
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while ($row = sql_fetch_array($result)) {
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$value = $object === 'table' ? reset($row) : $row[$object === 'column' ? 'Field' : 'Key_name'];
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$cache[$key][$value] = true;
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}
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}
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}
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return $cache[$key] === null ? null : isset($cache[$key][$object === 'table' ? $table : $name]);
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}
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// SQL을 실행하지 않고, 실행기의 모든 문이 건너뛰어질 때만 true를 반환한다.
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function g5_migration_needs_no_execution($migration, &$cache)
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{
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global $g5;
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if (isset($migration['error'])) {
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return false;
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}
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if ($migration['skip_table'] && $migration['skip_column'] &&
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g5_migration_inspect_object('column', $migration['skip_table'], $migration['skip_column'], $cache) === true) {
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return true;
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}
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foreach ($migration['statements'] as $statement) {
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$skip = false;
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foreach ($statement['conditions'] as $condition) {
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$exists = g5_migration_inspect_object($condition['object'], $condition['table'], $condition['name'], $cache);
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if ($exists === null) {
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return false;
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}
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if (($condition['state'] === 'exists') !== $exists) {
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$skip = true;
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break;
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}
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}
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if ($skip) {
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continue;
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}
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if (!$statement['foreach_write_table']) {
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// 데이터 보정 및 조건 없는 DDL은 완료로 추정하지 않는다.
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return false;
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}
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$result = sql_query("SELECT bo_table FROM `" . str_replace('`', '``', $g5['board_table']) . "`", false);
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if (!$result) {
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return false;
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}
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while ($board = sql_fetch_array($result)) {
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$table = $g5['write_prefix'] . $board['bo_table'];
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if (g5_migration_inspect_object('table', $table, '', $cache) !== true ||
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$statement['foreach_write_column'] === '' ||
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g5_migration_inspect_object('column', $table, $statement['foreach_write_column'], $cache) !== true) {
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return false;
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}
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}
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}
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return true;
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}
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function g5_migration_status()
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{
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$migrations = g5_migration_discover();
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$records = g5_migration_get_records();
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$status = array();
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$inspection_cache = array();
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|
|
foreach ($migrations as $migration) {
|
|
if (isset($migration['error'])) {
|
|
$status[] = $migration;
|
|
continue;
|
|
}
|
|
|
|
$record = isset($records[$migration['id']]) ? $records[$migration['id']] : null;
|
|
$migration['status'] = $record ? $record['status'] : 'pending';
|
|
if (!$record && g5_migration_needs_no_execution($migration, $inspection_cache)) {
|
|
$migration['status'] = 'unrecorded';
|
|
}
|
|
$migration['checksum_changed'] = $record && $record['status'] === 'success' && $record['checksum'] !== $migration['checksum'];
|
|
$migration['error_message'] = $record ? $record['error_message'] : '';
|
|
$migration['applied_at'] = $record ? $record['applied_at'] : '';
|
|
$status[] = $migration;
|
|
}
|
|
|
|
return $status;
|
|
}
|
|
|
|
function g5_migration_status_label($status, $checksum_changed = false)
|
|
{
|
|
if ($checksum_changed) {
|
|
return '적용 후 파일 변경됨';
|
|
}
|
|
|
|
$labels = array(
|
|
'pending' => '대기',
|
|
'unrecorded' => '실행 불필요 (미기록)',
|
|
'success' => '성공',
|
|
'failed' => '실패'
|
|
);
|
|
|
|
return isset($labels[$status]) ? $labels[$status] : '알 수 없음';
|
|
}
|
|
|
|
function g5_migration_validate_target_dependencies($migrations, $records, $target_id)
|
|
{
|
|
$target_index = -1;
|
|
foreach ($migrations as $index => $migration) {
|
|
if (isset($migration['error'])) {
|
|
return $migration['error'];
|
|
}
|
|
if ($migration['id'] === $target_id) {
|
|
$target_index = $index;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ($target_index < 0) {
|
|
return '요청한 마이그레이션을 찾을 수 없습니다: ' . $target_id;
|
|
}
|
|
|
|
for ($index = 0; $index < $target_index; $index++) {
|
|
$migration = $migrations[$index];
|
|
$record = isset($records[$migration['id']]) ? $records[$migration['id']] : null;
|
|
if (!$record || $record['status'] !== 'success') {
|
|
return $target_id . ' 실행 전에 선행 마이그레이션을 먼저 실행해야 합니다: ' . $migration['id'];
|
|
}
|
|
if ($record['checksum'] !== $migration['checksum']) {
|
|
return '선행 마이그레이션 파일이 적용 후 변경되었습니다: ' . $migration['id'];
|
|
}
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
function g5_migration_ensure_table()
|
|
{
|
|
$table = g5_migration_table_name();
|
|
$sql = "CREATE TABLE IF NOT EXISTS `{$table}` (
|
|
`migration_id` varchar(100) NOT NULL,
|
|
`description` varchar(255) NOT NULL DEFAULT '',
|
|
`checksum` char(64) NOT NULL DEFAULT '',
|
|
`status` varchar(20) NOT NULL DEFAULT 'pending',
|
|
`error_message` text NOT NULL,
|
|
`execution_ms` int(11) NOT NULL DEFAULT '0',
|
|
`applied_at` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
|
|
PRIMARY KEY (`migration_id`)
|
|
) ENGINE=MyISAM DEFAULT CHARSET=utf8";
|
|
|
|
return (bool) sql_query($sql, false);
|
|
}
|
|
|
|
function g5_migration_save_record($migration, $status, $error_message, $execution_ms)
|
|
{
|
|
$table = g5_migration_table_name();
|
|
$id = sql_real_escape_string($migration['id']);
|
|
$description = sql_real_escape_string($migration['description']);
|
|
$checksum = sql_real_escape_string($migration['checksum']);
|
|
$status = sql_real_escape_string($status);
|
|
$error_message = sql_real_escape_string($error_message);
|
|
$execution_ms = (int) $execution_ms;
|
|
|
|
$sql = "INSERT INTO `{$table}`
|
|
SET migration_id = '{$id}', description = '{$description}', checksum = '{$checksum}',
|
|
status = '{$status}', error_message = '{$error_message}', execution_ms = '{$execution_ms}',
|
|
applied_at = '" . G5_TIME_YMDHIS . "'
|
|
ON DUPLICATE KEY UPDATE
|
|
description = VALUES(description), checksum = VALUES(checksum), status = VALUES(status),
|
|
error_message = VALUES(error_message), execution_ms = VALUES(execution_ms), applied_at = VALUES(applied_at)";
|
|
|
|
return (bool) sql_query($sql, false);
|
|
}
|
|
|
|
function g5_migration_run($target_id = '', $record_existing = false)
|
|
{
|
|
$result = array('success' => false, 'applied' => 0, 'skipped' => 0, 'errors' => array());
|
|
|
|
if (!g5_migration_ensure_table()) {
|
|
$result['errors'][] = '마이그레이션 이력 테이블을 생성하지 못했습니다: ' . sql_error_info();
|
|
return $result;
|
|
}
|
|
|
|
$lock_name = 'g5_migration_' . substr(md5(G5_TABLE_PREFIX), 0, 16);
|
|
$lock = sql_fetch("SELECT GET_LOCK('{$lock_name}', 10) AS acquired", false);
|
|
if (!$lock || (int) $lock['acquired'] !== 1) {
|
|
$result['errors'][] = '다른 DB 업그레이드가 실행 중이거나 실행 잠금을 얻지 못했습니다.';
|
|
return $result;
|
|
}
|
|
|
|
$migrations = g5_migration_discover();
|
|
$records = g5_migration_get_records();
|
|
$target_found = $target_id === '';
|
|
|
|
if ($record_existing) {
|
|
$history = sql_fetch('SELECT COUNT(*) AS total FROM `' . g5_migration_table_name() . '`', false);
|
|
if (!$history || !isset($history['total']) || (int) $history['total'] !== count($records)) {
|
|
$result['errors'][] = '기존 마이그레이션 이력을 확인하지 못했습니다.';
|
|
sql_query("SELECT RELEASE_LOCK('{$lock_name}')", false);
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
if ($target_id !== '') {
|
|
$dependency_error = g5_migration_validate_target_dependencies($migrations, $records, $target_id);
|
|
if ($dependency_error !== '') {
|
|
$result['errors'][] = $dependency_error;
|
|
sql_query("SELECT RELEASE_LOCK('{$lock_name}')", false);
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
foreach ($migrations as $migration) {
|
|
if (isset($migration['error'])) {
|
|
$result['errors'][] = $migration['error'];
|
|
break;
|
|
}
|
|
|
|
if ($target_id !== '' && $migration['id'] !== $target_id) {
|
|
continue;
|
|
}
|
|
$target_found = true;
|
|
|
|
$record = isset($records[$migration['id']]) ? $records[$migration['id']] : null;
|
|
if ($record && $record['status'] === 'success') {
|
|
if ($record['checksum'] !== $migration['checksum']) {
|
|
$result['errors'][] = $migration['id'] . ' 파일이 적용 후 변경되었습니다.';
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
$started_at = get_microtime();
|
|
if ($record_existing) {
|
|
$inspection_cache = array();
|
|
// 앞선 변경이 후속 실행 조건을 바꿀 수 있으므로 연속된 항목만 등록한다.
|
|
if ($record || !g5_migration_needs_no_execution($migration, $inspection_cache)) {
|
|
break;
|
|
}
|
|
if (!g5_migration_save_record($migration, 'success', '', 0)) {
|
|
$result['errors'][] = $migration['id'] . ' 기존 상태 확인 이력을 저장하지 못했습니다: ' . sql_error_info();
|
|
break;
|
|
}
|
|
$result['skipped']++;
|
|
continue;
|
|
}
|
|
$skip = $migration['skip_table'] && $migration['skip_column'] && g5_migration_column_exists($migration['skip_table'], $migration['skip_column']);
|
|
$migration_error = '';
|
|
$executed = false;
|
|
|
|
if (!$skip) {
|
|
foreach ($migration['statements'] as $statement) {
|
|
if (!g5_migration_should_run_statement($statement['conditions'])) {
|
|
continue;
|
|
}
|
|
$statement_result = g5_migration_execute_statement($statement);
|
|
$executed = $executed || $statement_result['executed'];
|
|
if ($statement_result['error'] !== '') {
|
|
$migration_error = $statement_result['error'];
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
$execution_ms = (int) round((get_microtime() - $started_at) * 1000);
|
|
if ($migration_error !== '') {
|
|
g5_migration_save_record($migration, 'failed', $migration_error, $execution_ms);
|
|
$result['errors'][] = $migration['id'] . ': ' . $migration_error;
|
|
break;
|
|
}
|
|
|
|
if (!g5_migration_save_record($migration, 'success', '', $execution_ms)) {
|
|
$result['errors'][] = $migration['id'] . ' 실행 이력을 저장하지 못했습니다: ' . sql_error_info();
|
|
break;
|
|
}
|
|
|
|
if ($skip || !$executed) {
|
|
$result['skipped']++;
|
|
} else {
|
|
$result['applied']++;
|
|
}
|
|
}
|
|
|
|
|
|
if (!$target_found) {
|
|
$result['errors'][] = '요청한 마이그레이션을 찾을 수 없습니다: ' . $target_id;
|
|
}
|
|
|
|
sql_query("SELECT RELEASE_LOCK('{$lock_name}')", false);
|
|
$result['success'] = !$result['errors'];
|
|
|
|
return $result;
|
|
}
|