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improvement/adjust-partitioning-table-migration #2

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10 changes: 8 additions & 2 deletions database/migrations/2026_04_14_000004_partition_messages_table.php
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Original file line number Diff line number Diff line change
Expand Up @@ -49,14 +49,17 @@ public function up(): void
// Adjust PK and unique index for partition key.
// Laravel Schema builder does not support PARTITION BY.
DB::statement('ALTER TABLE sendportal_messages
DROP INDEX sendportal_messages_hash_unique,
ADD UNIQUE INDEX sendportal_messages_hash_unique (hash, source_id),
DROP PRIMARY KEY,
ADD PRIMARY KEY (id, source_id)');

DB::statement('ALTER TABLE sendportal_message_failures DROP FOREIGN KEY sendportal_message_failures_message_id_foreign');

DB::statement('ALTER TABLE sendportal_messages
PARTITION BY HASH(source_id) PARTITIONS 50');

DB::statement('ALTER TABLE sendportal_messages
ADD UNIQUE INDEX sendportal_messages_hash_unique (hash, source_id)');

DB::statement('SET FOREIGN_KEY_CHECKS = 1');
}

Expand Down Expand Up @@ -92,6 +95,9 @@ public function down(): void
$table->timestamps();
});

// Restore the FK constraint dropped in up() to enable partitioning.
DB::statement('ALTER TABLE sendportal_message_failures ADD CONSTRAINT sendportal_message_failures_message_id_foreign FOREIGN KEY (message_id) REFERENCES sendportal_messages (id)');

DB::statement('SET FOREIGN_KEY_CHECKS = 1');
}
}