Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）

backend/migrations/usage_log_effective_model_index_test.go

@@ -0,0 +1,19 @@
+package migrations
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestUsageLogEffectiveModelIndexesMigration(t *testing.T) {
+	content, err := FS.ReadFile("226_add_usage_log_effective_model_indexes_notx.sql")
+	require.NoError(t, err)
+
+	sql := strings.Join(strings.Fields(string(content)), " ")
+	require.Contains(t, sql, "CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_usage_logs_effective_requested_model_created")
+	require.Contains(t, sql, "(COALESCE(NULLIF(BTRIM(requested_model), ''), model)), created_at DESC, id DESC")
+	require.Contains(t, sql, "CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_usage_logs_effective_upstream_model_created")
+	require.Contains(t, sql, "(COALESCE(NULLIF(BTRIM(upstream_model), ''), model)), created_at DESC, id DESC")
+}