Batch bitmap writes

.claude/settings.local.json

@@ -8,7 +8,8 @@
       "Bash(go doc:*)",
       "Bash(go get:*)",
       "Bash(go test:*)",
-      "Bash(go mod tidy:*)"
+      "Bash(go mod tidy:*)",
+      "Bash(mkdir:*)"
     ]
   }
 }

.github/workflows/test.yml

@@ -0,0 +1,25 @@
+name: Go Tests
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: "1.25.4"
+
+      - name: Install dependencies
+        run: go mod download
+
+      - name: Run tests
+        run: go test -v ./...

bitmap_cache.go

@@ -0,0 +1,160 @@
+package sqlitebitmapstore
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+
+	"github.com/Arkiv-Network/sqlite-bitmap-store/store"
+)
+
+type nameValue[T any] struct {
+	name  string
+	value T
+}
+
+type bitmapCache struct {
+	st store.Querier
+
+	stringBitmaps  map[nameValue[string]]*store.Bitmap
+	numericBitmaps map[nameValue[uint64]]*store.Bitmap
+}
+
+func newBitmapCache(st store.Querier) *bitmapCache {
+	return &bitmapCache{
+		st:             st,
+		stringBitmaps:  make(map[nameValue[string]]*store.Bitmap),
+		numericBitmaps: make(map[nameValue[uint64]]*store.Bitmap),
+	}
+}
+
+func (c *bitmapCache) AddToStringBitmap(ctx context.Context, name string, value string, id uint64) (err error) {
+	k := nameValue[string]{name: name, value: value}
+	bitmap, ok := c.stringBitmaps[k]
+	if !ok {
+		bitmap, err = c.st.GetStringAttributeValueBitmap(ctx, store.GetStringAttributeValueBitmapParams{Name: name, Value: value})
+
+		if err != nil && err != sql.ErrNoRows {
+			return fmt.Errorf("failed to get string attribute %q value %q bitmap: %w", name, value, err)
+		}
+
+		if bitmap == nil {
+			bitmap = store.NewBitmap()
+		}
+
+		c.stringBitmaps[k] = bitmap
+	}
+
+	bitmap.Add(id)
+
+	return nil
+
+}
+
+func (c *bitmapCache) RemoveFromStringBitmap(ctx context.Context, name string, value string, id uint64) (err error) {
+	k := nameValue[string]{name: name, value: value}
+	bitmap, ok := c.stringBitmaps[k]
+	if !ok {
+		bitmap, err = c.st.GetStringAttributeValueBitmap(ctx, store.GetStringAttributeValueBitmapParams{Name: name, Value: value})
+
+		if err != nil && err != sql.ErrNoRows {
+			return fmt.Errorf("failed to get string attribute %q value %q bitmap: %w", name, value, err)
+		}
+
+		if bitmap == nil {
+			bitmap = store.NewBitmap()
+		}
+
+		c.stringBitmaps[k] = bitmap
+	}
+
+	bitmap.Remove(id)
+
+	return nil
+
+}
+
+func (c *bitmapCache) AddToNumericBitmap(ctx context.Context, name string, value uint64, id uint64) (err error) {
+	k := nameValue[uint64]{name: name, value: value}
+	bitmap, ok := c.numericBitmaps[k]
+	if !ok {
+		bitmap, err = c.st.GetNumericAttributeValueBitmap(ctx, store.GetNumericAttributeValueBitmapParams{Name: name, Value: value})
+
+		if err != nil && err != sql.ErrNoRows {
+			return fmt.Errorf("failed to get numeric attribute %q value %q bitmap: %w", name, value, err)
+		}
+
+		if bitmap == nil {
+			bitmap = store.NewBitmap()
+		}
+
+		c.numericBitmaps[k] = bitmap
+	}
+
+	bitmap.Add(id)
+
+	return nil
+
+}
+
+func (c *bitmapCache) RemoveFromNumericBitmap(ctx context.Context, name string, value uint64, id uint64) (err error) {
+	k := nameValue[uint64]{name: name, value: value}
+	bitmap, ok := c.numericBitmaps[k]
+	if !ok {
+		bitmap, err = c.st.GetNumericAttributeValueBitmap(ctx, store.GetNumericAttributeValueBitmapParams{Name: name, Value: value})
+
+		if err != nil && err != sql.ErrNoRows {
+			return fmt.Errorf("failed to get numeric attribute %q value %q bitmap: %w", name, value, err)
+		}
+
+		if bitmap == nil {
+			bitmap = store.NewBitmap()
+		}
+
+		c.numericBitmaps[k] = bitmap
+	}
+
+	bitmap.Remove(id)
+
+	return nil
+
+}
+
+func (c *bitmapCache) Flush(ctx context.Context) (err error) {
+	for k, bitmap := range c.stringBitmaps {
+
+		if bitmap.IsEmpty() {
+			err = c.st.DeleteStringAttributeValueBitmap(ctx, store.DeleteStringAttributeValueBitmapParams{Name: k.name, Value: k.value})
+			if err != nil {
+				return fmt.Errorf("failed to delete string attribute %q value %q bitmap: %w", k.name, k.value, err)
+			}
+			continue
+		}
+
+		bitmap.RunOptimize()
+
+		err = c.st.UpsertStringAttributeValueBitmap(ctx, store.UpsertStringAttributeValueBitmapParams{Name: k.name, Value: k.value, Bitmap: bitmap})
+		if err != nil {
+			return fmt.Errorf("failed to upsert string attribute %q value %q bitmap: %w", k.name, k.value, err)
+		}
+	}
+
+	for k, bitmap := range c.numericBitmaps {
+
+		if bitmap.IsEmpty() {
+			err = c.st.DeleteNumericAttributeValueBitmap(ctx, store.DeleteNumericAttributeValueBitmapParams{Name: k.name, Value: k.value})
+			if err != nil {
+				return fmt.Errorf("failed to delete numeric attribute %q value %q bitmap: %w", k.name, k.value, err)
+			}
+			continue
+		}
+
+		bitmap.RunOptimize()
+
+		err = c.st.UpsertNumericAttributeValueBitmap(ctx, store.UpsertNumericAttributeValueBitmapParams{Name: k.name, Value: k.value, Bitmap: bitmap})
+		if err != nil {
+			return fmt.Errorf("failed to upsert numeric attribute %q value %q bitmap: %w", k.name, k.value, err)
+		}
+	}
+	return nil
+}