76 lines
3.1 KiB
PHP
76 lines
3.1 KiB
PHP
<?php
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namespace Modules\EcommerceFinance\Services;
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use Illuminate\Database\ConnectionInterface;
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use Illuminate\Support\Facades\Schema;
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/** Derived lookup only: the upstream strings and financial values stay intact. */
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class GoodsProfitAfsLookupSchema
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{
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public const TABLE = 'ops_jst_goods_profit_kpi_items_afs';
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public const DATE_COLUMN = '_mirror_afs_order_time';
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public const INDEXES = [
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'idx_afs_order_time_id' => ['_mirror_afs_order_time', 'id'],
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'idx_afs_shop_order_time_id' => ['undefined8', '_mirror_afs_order_time', 'id'],
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];
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public function ensure(ConnectionInterface $db): void
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{
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if (! in_array($db->getDriverName(), ['mysql', 'mariadb'], true)) {
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return;
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}
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$schema = Schema::connection($db->getName());
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if (! $schema->hasTable(self::TABLE)
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|| ! $schema->hasColumns(self::TABLE, ['id', 'undefined7', 'undefined8'])) {
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return;
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}
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$statements = [];
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if (! $schema->hasColumn(self::TABLE, self::DATE_COLUMN)) {
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$expression = $this->dateExpression();
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// MariaDB requires the virtual column and its indexes in separate
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// ALTER statements to allow concurrent writes with LOCK=NONE.
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$statements[] = 'ADD COLUMN `' . self::DATE_COLUMN
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. '` VARCHAR(19) CHARACTER SET ascii COLLATE ascii_bin GENERATED ALWAYS AS (' . $expression . ') VIRTUAL';
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}
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$indexes = [];
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foreach (self::INDEXES as $name => $columns) {
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if (! $schema->hasIndex(self::TABLE, $name)) {
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$indexes[] = 'ADD INDEX `' . $name . '` (`' . implode('`, `', $columns) . '`)';
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}
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}
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if ($indexes !== []) $statements[] = implode(', ', $indexes);
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if ($statements !== []) {
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// Fail rather than silently copying/locking this multi-million-row table.
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$wait = (int) $db->selectOne('SELECT @@SESSION.lock_wait_timeout AS seconds')->seconds;
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$db->statement('SET SESSION lock_wait_timeout = 5');
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try {
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foreach ($statements as $statement) {
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$db->statement('ALTER TABLE `' . self::TABLE . '` ' . $statement . ', ALGORITHM=INPLACE, LOCK=NONE');
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}
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} finally {
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$db->statement('SET SESSION lock_wait_timeout = ' . $wait);
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}
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}
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}
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public function dateExpression(): string
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{
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$raw = "REPLACE(TRIM(`undefined7`), '/', '-')";
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$pattern = '^[0-9]{1,4}-(0?[1-9]|1[0-2])-(0?[1-9]|[12][0-9]|3[01])'
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. '([[:space:]]+([01]?[0-9]|2[0-3])(:[0-5]?[0-9]){0,2}([.][0-9]+)?)?$';
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// Guard malformed strings so a future bad source value cannot break an
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// indexed-column update in strict mode. Fractional seconds were already
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// ignored by the original format. CHAR preserves its calendar semantics
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// (e.g. 2026-02-31), unlike coercing the result into a DATETIME column.
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return "CASE WHEN {$raw} REGEXP '{$pattern}' THEN CAST(STR_TO_DATE("
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. "SUBSTRING_INDEX({$raw}, '.', 1), '%Y-%m-%d %H:%i:%s') AS CHAR(19)) ELSE NULL END";
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}
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}
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