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feat(data): add task numbers schema, allocator, and backfill migration

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TaskEntity.Number is a global, monotonically increasing, never-reused
integer (displayed as #123), allocated from AppSettingsEntity.NextTaskNumber
via a single UPDATE...RETURNING statement rather than MAX(number)+1, which
would reissue a deleted task's number. Both insert paths (TaskRepository.
AddAsync and CreateChildAsync) route through the new TaskNumberAllocator,
with a bounded retry on a unique-index collision. One migration adds the
columns, backfills existing rows in creation order, and creates the unique
index afterwards. Data-layer only; MCP/UI wiring is later slices.
This commit is contained in:
mika kuns
2026-08-11 10:49:06 +02:00
parent 31a9e87b56
commit 9e46c96b24
25 changed files with 1416 additions and 50 deletions
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tests/ClaudeDo.Data.Tests/ForeignKeyTests.cs
+4 -4
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@@ -47,8 +47,8 @@ public sealed class ForeignKeyTests : IDisposable
await using (var ctx = Open())
{
ctx.Lists.Add(new ListEntity { Id = listId, Name = "L", CreatedAt = DateTime.UtcNow });
ctx.Tasks.Add(new TaskEntity { Id = parentId, ListId = listId, Title = "Predecessor", Status = TaskStatus.Idle, CreatedAt = DateTime.UtcNow });
ctx.Tasks.Add(new TaskEntity { Id = childId, ListId = listId, Title = "Blocked", Status = TaskStatus.Idle, BlockedByTaskId = parentId, CreatedAt = DateTime.UtcNow });
ctx.Tasks.Add(new TaskEntity { Id = parentId, Number = 1, ListId = listId, Title = "Predecessor", Status = TaskStatus.Idle, CreatedAt = DateTime.UtcNow });
ctx.Tasks.Add(new TaskEntity { Id = childId, Number = 2, ListId = listId, Title = "Blocked", Status = TaskStatus.Idle, BlockedByTaskId = parentId, CreatedAt = DateTime.UtcNow });
await ctx.SaveChangesAsync();
}
@@ -79,8 +79,8 @@ public sealed class ForeignKeyTests : IDisposable
await using (var ctx = Open())
{
ctx.Lists.Add(new ListEntity { Id = listId, Name = "L", CreatedAt = DateTime.UtcNow });
ctx.Tasks.Add(new TaskEntity { Id = predecessorId, ListId = listId, Title = "Predecessor", Status = TaskStatus.Idle, CreatedAt = DateTime.UtcNow });
ctx.Tasks.Add(new TaskEntity { Id = dependentId, ListId = listId, Title = "Dependent", Status = TaskStatus.Idle, DependsOnTaskId = predecessorId, CreatedAt = DateTime.UtcNow });
ctx.Tasks.Add(new TaskEntity { Id = predecessorId, Number = 1, ListId = listId, Title = "Predecessor", Status = TaskStatus.Idle, CreatedAt = DateTime.UtcNow });
ctx.Tasks.Add(new TaskEntity { Id = dependentId, Number = 2, ListId = listId, Title = "Dependent", Status = TaskStatus.Idle, DependsOnTaskId = predecessorId, CreatedAt = DateTime.UtcNow });
await ctx.SaveChangesAsync();
}