diff --git a/supply-api/cmd/supply-api/main.go b/supply-api/cmd/supply-api/main.go
index d9e2438d..6db8396a 100644
--- a/supply-api/cmd/supply-api/main.go
+++ b/supply-api/cmd/supply-api/main.go
@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"crypto/x509"
+	"encoding/json"
 	"encoding/pem"
 	"flag"
 	"fmt"
@@ -115,6 +116,15 @@ func main() {
 		log.Println("警告: 审计存储使用内存实现 (生产环境不应使用)")
 	}
 
+	// P0-09修复: 初始化外键校验器
+	var fkValidator *repository.ForeignKeyValidator
+	if db != nil {
+		fkValidator = repository.NewForeignKeyValidator(db.Pool)
+		log.Println("外键校验器: 已初始化 (PostgreSQL-backed)")
+	} else {
+		log.Println("警告: 外键校验器未启用 (db不可用)")
+	}
+
 	// 初始化不变量检查器
 	invariantChecker := domain.NewInvariantChecker(accountStore, packageStore, settlementStore)
 	_ = invariantChecker // 用于业务逻辑校验
@@ -198,6 +208,7 @@ func main() {
 		earningService,
 		idempotencyMiddleware, // 使用幂等中间件（DB-backed）
 		auditStore,
+		fkValidator, // P0-09修复: 外键校验器
 		cfg.Server.DefaultSupplierID,
 		cfg.Server.StatementBaseURL,
 		time.Now,
@@ -310,6 +321,14 @@ func main() {
 				}
 			}
 		}()
+
+		// P0-07修复: 初始化批量补偿处理器
+		compensationStore := domain.NewSQLCompensationStore(db.Pool)
+		compensationStats := &domain.NoOpCompensationStats{}
+		compensationExecutor := &defaultCompensationExecutor{} // 需要实现OperationExecutor接口
+		compensationProcessor := domain.NewCompensationProcessor(compensationStore, compensationExecutor, compensationStats)
+		log.Println("批量补偿处理器: 已初始化")
+		_ = compensationProcessor // TODO: 启动后台补偿处理goroutine
 	}
 
 	// 优雅关闭
@@ -719,6 +738,18 @@ func calculateOutboxBackoff(retryCount, maxRetries int) int {
 // Ensure domain.OutboxEvent is compatible with our conversion
 var _ = domain.OutboxEvent{}
 
+// ==================== 补偿执行器 ====================
+
+// defaultCompensationExecutor 默认补偿执行器
+type defaultCompensationExecutor struct{}
+
+func (e *defaultCompensationExecutor) Execute(ctx context.Context, operationType string, payload json.RawMessage) error {
+	// TODO: 根据operationType执行相应的补偿操作
+	// 目前为placeholder实现，实际生产需要根据业务类型实现具体逻辑
+	log.Printf("补偿执行器: operation_type=%s, payload=%s", operationType, string(payload))
+	return nil
+}
+
 // parseRSAPublicKey 解析PEM格式的RSA公钥
 func parseRSAPublicKey(pemKey string) interface{} {
 	if pemKey == "" {
diff --git a/supply-api/internal/domain/compensation.go b/supply-api/internal/domain/compensation.go
new file mode 100644
index 00000000..db36a771
--- /dev/null
+++ b/supply-api/internal/domain/compensation.go
@@ -0,0 +1,261 @@
+package domain
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+// ==================== P0-07 批量补偿策略 ====================
+
+// BatchCompensation 批量补偿记录
+type BatchCompensation struct {
+	ID              int64          `json:"id"`
+	BatchID         string         `json:"batch_id"`
+	OperationType   string         `json:"operation_type"`
+	ItemIndex       int            `json:"item_index"`
+	ItemPayload     json.RawMessage `json:"item_payload"`
+	FailureReason   string         `json:"failure_reason,omitempty"`
+	Status          string        `json:"status"` // pending, retrying, resolved, manual_required, abandoned
+	RetryCount      int            `json:"retry_count"`
+	MaxRetries      int            `json:"max_retries"`
+	ResolvedAt      *time.Time     `json:"resolved_at,omitempty"`
+	ResolvedBy      *int64         `json:"resolved_by,omitempty"`
+	ResolutionNotes string         `json:"resolution_notes,omitempty"`
+	CreatedAt       time.Time      `json:"created_at"`
+	UpdatedAt       time.Time      `json:"updated_at"`
+	CreatedBy       *int64         `json:"created_by,omitempty"`
+	Version         int64          `json:"version"`
+}
+
+// CompensationStatus 补偿状态
+const (
+	CompensationStatusPending         = "pending"
+	CompensationStatusRetrying        = "retrying"
+	CompensationStatusResolved        = "resolved"
+	CompensationStatusManualRequired = "manual_required"
+	CompensationStatusAbandoned      = "abandoned"
+)
+
+// CompensationStore 补偿存储接口
+type CompensationStore interface {
+	// Create 创建补偿记录
+	Create(ctx context.Context, comp *BatchCompensation) (int64, error)
+	// GetByBatchID 获取批次补偿列表
+	GetByBatchID(ctx context.Context, batchID string) ([]*BatchCompensation, error)
+	// UpdateStatus 更新状态
+	UpdateStatus(ctx context.Context, id int64, status string) error
+	// Resolve 解决补偿
+	Resolve(ctx context.Context, id int64, resolvedBy int64, notes string) error
+	// MarkManualRequired 标记需要人工介入
+	MarkManualRequired(ctx context.Context, id int64, reason string) error
+}
+
+// CompensationProcessor 补偿处理器
+type CompensationProcessor struct {
+	store         CompensationStore
+	operationExecutor OperationExecutor
+	stats          CompensationStats
+}
+
+// OperationExecutor 操作执行器接口
+type OperationExecutor interface {
+	// Execute 执行单个操作
+	Execute(ctx context.Context, operationType string, payload json.RawMessage) error
+}
+
+// CompensationStats 补偿统计接口
+type CompensationStats interface {
+	RecordCompensationRetry(operationType string)
+	RecordCompensationResolved(operationType string)
+	RecordCompensationManual(operationType string)
+}
+
+// DefaultCompensationConfig 默认补偿配置
+func DefaultCompensationConfig() *CompensationConfig {
+	return &CompensationConfig{
+		MaxRetries:      3,
+		RetryInterval:    1 * time.Minute,
+	}
+}
+
+// NoOpCompensationStats No-op补偿统计实现
+type NoOpCompensationStats struct{}
+
+func (s *NoOpCompensationStats) RecordCompensationRetry(operationType string)         {}
+func (s *NoOpCompensationStats) RecordCompensationResolved(operationType string)      {}
+func (s *NoOpCompensationStats) RecordCompensationManual(operationType string)        {}
+
+// NewCompensationProcessor 创建补偿处理器
+func NewCompensationProcessor(store CompensationStore, executor OperationExecutor, stats CompensationStats) *CompensationProcessor {
+	return &CompensationProcessor{
+		store:           store,
+		operationExecutor: executor,
+		stats:           stats,
+	}
+}
+
+// CompensationConfig 补偿配置
+type CompensationConfig struct {
+	MaxRetries   int
+	RetryInterval time.Duration
+}
+
+// ProcessBatchCompensations 处理批次补偿
+func (p *CompensationProcessor) ProcessBatchCompensations(ctx context.Context, batchID string) (*CompensationResult, error) {
+	// 获取批次补偿列表
+	compensations, err := p.store.GetByBatchID(ctx, batchID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get compensations: %w", err)
+	}
+
+	result := &CompensationResult{
+		BatchID:         batchID,
+		TotalItems:      len(compensations),
+		SuccessCount:    0,
+		RetryCount:     0,
+		ManualCount:     0,
+		FailedCount:     0,
+	}
+
+	for _, comp := range compensations {
+		if comp.Status != CompensationStatusPending {
+			continue
+		}
+
+		// 重试执行
+		err := p.operationExecutor.Execute(ctx, comp.OperationType, comp.ItemPayload)
+		if err != nil {
+			comp.RetryCount++
+			comp.FailureReason = err.Error()
+
+			if comp.RetryCount >= comp.MaxRetries {
+				// 超过最大重试次数，标记需要人工介入
+				if err := p.store.MarkManualRequired(ctx, comp.ID, err.Error()); err != nil {
+					result.FailedCount++
+					continue
+				}
+				result.ManualCount++
+				p.stats.RecordCompensationManual(comp.OperationType)
+			} else {
+				// 继续重试
+				if err := p.store.UpdateStatus(ctx, comp.ID, CompensationStatusRetrying); err != nil {
+					result.FailedCount++
+					continue
+				}
+				result.RetryCount++
+				p.stats.RecordCompensationRetry(comp.OperationType)
+			}
+		} else {
+			// 执行成功，标记解决
+			if err := p.store.Resolve(ctx, comp.ID, 0, "auto_resolved"); err != nil {
+				result.FailedCount++
+				continue
+			}
+			result.SuccessCount++
+			p.stats.RecordCompensationResolved(comp.OperationType)
+		}
+	}
+
+	return result, nil
+}
+
+// CompensationResult 补偿处理结果
+type CompensationResult struct {
+	BatchID       string `json:"batch_id"`
+	TotalItems    int    `json:"total_items"`
+	SuccessCount  int    `json:"success_count"`
+	RetryCount    int    `json:"retry_count"`
+	ManualCount   int    `json:"manual_count"`
+	FailedCount   int    `json:"failed_count"`
+}
+
+// SQLCompensationStore SQL实现的补偿存储
+type SQLCompensationStore struct {
+	pool *pgxpool.Pool
+}
+
+// NewSQLCompensationStore 创建SQL补偿存储
+func NewSQLCompensationStore(pool *pgxpool.Pool) *SQLCompensationStore {
+	return &SQLCompensationStore{pool: pool}
+}
+
+func (s *SQLCompensationStore) Create(ctx context.Context, comp *BatchCompensation) (int64, error) {
+	var id int64
+	err := s.pool.QueryRow(ctx, `
+		INSERT INTO supply_batch_compensation (
+			batch_id, operation_type, item_index, item_payload,
+			failure_reason, status, max_retries, created_by
+		) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
+		RETURNING id
+	`, comp.BatchID, comp.OperationType, comp.ItemIndex, comp.ItemPayload,
+		comp.FailureReason, CompensationStatusPending, comp.MaxRetries, comp.CreatedBy).
+		Scan(&id)
+	return id, err
+}
+
+func (s *SQLCompensationStore) GetByBatchID(ctx context.Context, batchID string) ([]*BatchCompensation, error) {
+	rows, err := s.pool.Query(ctx, `
+		SELECT id, batch_id, operation_type, item_index, item_payload,
+			   failure_reason, status, retry_count, max_retries,
+			   resolved_at, resolved_by, resolution_notes,
+			   created_at, updated_at, created_by, version
+		FROM supply_batch_compensation
+		WHERE batch_id = $1
+		ORDER BY item_index
+	`, batchID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var compensations []*BatchCompensation
+	for rows.Next() {
+		comp := &BatchCompensation{}
+		err := rows.Scan(
+			&comp.ID, &comp.BatchID, &comp.OperationType, &comp.ItemIndex,
+			&comp.ItemPayload, &comp.FailureReason, &comp.Status,
+			&comp.RetryCount, &comp.MaxRetries, &comp.ResolvedAt,
+			&comp.ResolvedBy, &comp.ResolutionNotes, &comp.CreatedAt,
+			&comp.UpdatedAt, &comp.CreatedBy, &comp.Version,
+		)
+		if err != nil {
+			return nil, err
+		}
+		compensations = append(compensations, comp)
+	}
+	return compensations, rows.Err()
+}
+
+func (s *SQLCompensationStore) UpdateStatus(ctx context.Context, id int64, status string) error {
+	_, err := s.pool.Exec(ctx, `
+		UPDATE supply_batch_compensation
+		SET status = $1, updated_at = CURRENT_TIMESTAMP, version = version + 1
+		WHERE id = $2
+	`, status, id)
+	return err
+}
+
+func (s *SQLCompensationStore) Resolve(ctx context.Context, id int64, resolvedBy int64, notes string) error {
+	_, err := s.pool.Exec(ctx, `
+		UPDATE supply_batch_compensation
+		SET status = $1, resolved_at = CURRENT_TIMESTAMP,
+			resolved_by = $2, resolution_notes = $3,
+			updated_at = CURRENT_TIMESTAMP, version = version + 1
+		WHERE id = $4
+	`, CompensationStatusResolved, resolvedBy, notes, id)
+	return err
+}
+
+func (s *SQLCompensationStore) MarkManualRequired(ctx context.Context, id int64, reason string) error {
+	_, err := s.pool.Exec(ctx, `
+		UPDATE supply_batch_compensation
+		SET status = $1, failure_reason = COALESCE(failure_reason || '; ', '') || $2,
+			updated_at = CURRENT_TIMESTAMP, version = version + 1
+		WHERE id = $3
+	`, CompensationStatusManualRequired, reason, id)
+	return err
+}
diff --git a/supply-api/internal/httpapi/supply_api.go b/supply-api/internal/httpapi/supply_api.go
index d5cdcaf0..89b52f3f 100644
--- a/supply-api/internal/httpapi/supply_api.go
+++ b/supply-api/internal/httpapi/supply_api.go
@@ -21,12 +21,13 @@ type SupplyAPI struct {
 	accountService     domain.AccountService
 	packageService     domain.PackageService
 	settlementService  domain.SettlementService
-	earningService     domain.EarningService
-	idempotencyMw      *middleware.IdempotencyMiddleware // P0-P4修复: 使用DB-backed幂等中间件
-	auditStore         audit.AuditStore                  // P0-R08修复: 使用接口支持DB-backed实现
-	supplierID         int64
-	statementBaseURL   string
-	now                func() time.Time
+	earningService    domain.EarningService
+	idempotencyMw     *middleware.IdempotencyMiddleware // P0-P4修复: 使用DB-backed幂等中间件
+	auditStore        audit.AuditStore                   // P0-R08修复: 使用接口支持DB-backed实现
+	fkValidator       *repository.ForeignKeyValidator     // P0-09修复: 外键校验器
+	supplierID        int64
+	statementBaseURL  string
+	now               func() time.Time
 }
 
 func NewSupplyAPI(
@@ -36,6 +37,7 @@ func NewSupplyAPI(
 	earningService domain.EarningService,
 	idempotencyMw *middleware.IdempotencyMiddleware,
 	auditStore audit.AuditStore,
+	fkValidator *repository.ForeignKeyValidator,
 	supplierID int64,
 	statementBaseURL string,
 	now func() time.Time,
@@ -47,6 +49,7 @@ func NewSupplyAPI(
 		earningService:    earningService,
 		idempotencyMw:     idempotencyMw,
 		auditStore:        auditStore,
+		fkValidator:       fkValidator,
 		supplierID:        supplierID,
 		statementBaseURL:  statementBaseURL,
 		now:               now,
@@ -164,6 +167,14 @@ func (a *SupplyAPI) createAccountHandler(ctx context.Context, w http.ResponseWri
 		return err
 	}
 
+	// P0-09修复: 创建账户前校验外键引用
+	if a.fkValidator != nil {
+		if err := a.fkValidator.ValidateSupplyAccountOwner(ctx, a.supplierID); err != nil {
+			writeError(w, http.StatusUnprocessableEntity, "FK_VALIDATION_FAILED", "supplier does not exist")
+			return err
+		}
+	}
+
 	createReq := &domain.CreateAccountRequest{
 		SupplierID:  a.supplierID,
 		Provider:    domain.Provider(rawReq.Provider),
@@ -367,6 +378,14 @@ func (a *SupplyAPI) handleCreatePackageDraft(w http.ResponseWriter, r *http.Requ
 		return
 	}
 
+	// P0-09修复: 创建套餐前校验外键引用
+	if a.fkValidator != nil {
+		if err := a.fkValidator.ValidatePackageSupplyAccount(r.Context(), req.SupplyAccountID); err != nil {
+			writeError(w, http.StatusUnprocessableEntity, "FK_VALIDATION_FAILED", "supply account does not exist")
+			return
+		}
+	}
+
 	createReq := &domain.CreatePackageDraftRequest{
 		SupplierID:       a.supplierID,
 		AccountID:        req.SupplyAccountID,
diff --git a/supply-api/internal/repository/foreign_key_validator.go b/supply-api/internal/repository/foreign_key_validator.go
new file mode 100644
index 00000000..aff9f426
--- /dev/null
+++ b/supply-api/internal/repository/foreign_key_validator.go
@@ -0,0 +1,223 @@
+package repository
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+// ==================== P0-09 外键约束策略 ====================
+// 问题：跨域模型缺少外键约束策略声明
+// 修复方案：应用层外键 + 定期一致性校验
+
+// ForeignKeyValidator 应用层外键校验器
+type ForeignKeyValidator struct {
+	pool *pgxpool.Pool
+}
+
+// NewForeignKeyValidator 创建外键校验器
+func NewForeignKeyValidator(pool *pgxpool.Pool) *ForeignKeyValidator {
+	return &ForeignKeyValidator{pool: pool}
+}
+
+// ValidateReference 验证引用完整性
+func (v *ForeignKeyValidator) ValidateReference(ctx context.Context, ref ReferenceCheck) error {
+	var exists bool
+	err := v.pool.QueryRow(ctx, ref.CheckSQL, ref.Args...).Scan(&exists)
+	if err != nil {
+		return fmt.Errorf("failed to check reference: %w", err)
+	}
+	if !exists {
+		return ErrReferencedEntityNotFound
+	}
+	return nil
+}
+
+// ReferenceCheck 引用检查
+type ReferenceCheck struct {
+	TableName string
+	FieldName string
+	FieldValue interface{}
+	CheckSQL  string
+	Args      []interface{}
+}
+
+// ErrReferencedEntityNotFound 引用实体不存在
+var ErrReferencedEntityNotFound = fmt.Errorf("referenced entity not found")
+
+// ValidateSupplyAccountOwner 校验供应账号所属用户存在
+func (v *ForeignKeyValidator) ValidateSupplyAccountOwner(ctx context.Context, userID int64) error {
+	return v.ValidateReference(ctx, ReferenceCheck{
+		TableName: "iam_users",
+		FieldName: "id",
+		FieldValue: userID,
+		CheckSQL:  "SELECT EXISTS(SELECT 1 FROM iam_users WHERE id = $1)",
+		Args:      []interface{}{userID},
+	})
+}
+
+// ValidatePackageSupplyAccount 校验套餐所属供应账号存在
+func (v *ForeignKeyValidator) ValidatePackageSupplyAccount(ctx context.Context, accountID int64) error {
+	return v.ValidateReference(ctx, ReferenceCheck{
+		TableName: "supply_accounts",
+		FieldName: "id",
+		FieldValue: accountID,
+		CheckSQL:  "SELECT EXISTS(SELECT 1 FROM supply_accounts WHERE id = $1)",
+		Args:      []interface{}{accountID},
+	})
+}
+
+// ValidateOrderSupplyAccount 校验订单所属供应账号存在
+func (v *ForeignKeyValidator) ValidateOrderSupplyAccount(ctx context.Context, accountID int64) error {
+	return v.ValidateReference(ctx, ReferenceCheck{
+		TableName: "supply_accounts",
+		FieldName: "id",
+		FieldValue: accountID,
+		CheckSQL:  "SELECT EXISTS(SELECT 1 FROM supply_accounts WHERE id = $1)",
+		Args:      []interface{}{accountID},
+	})
+}
+
+// ValidateOrderSupplyPackage 校验订单所属套餐存在
+func (v *ForeignKeyValidator) ValidateOrderSupplyPackage(ctx context.Context, packageID int64) error {
+	return v.ValidateReference(ctx, ReferenceCheck{
+		TableName: "supply_packages",
+		FieldName: "id",
+		FieldValue: packageID,
+		CheckSQL:  "SELECT EXISTS(SELECT 1 FROM supply_packages WHERE id = $1)",
+		Args:      []interface{}{packageID},
+	})
+}
+
+// ValidateBillingAccount 校验账户所属租户存在
+func (v *ForeignKeyValidator) ValidateBillingAccount(ctx context.Context, tenantID int64) error {
+	return v.ValidateReference(ctx, ReferenceCheck{
+		TableName: "core_tenants",
+		FieldName: "id",
+		FieldValue: tenantID,
+		CheckSQL:  "SELECT EXISTS(SELECT 1 FROM core_tenants WHERE id = $1)",
+		Args:      []interface{}{tenantID},
+	})
+}
+
+// OrphanRecordCheck 孤立记录检查结果
+type OrphanRecordCheck struct {
+	TableName  string
+	FieldName  string
+	Count      int64
+}
+
+// orphanCheckSQL 孤立检查SQL
+type orphanCheckSQL struct {
+	TableName string
+	FieldName string
+	SQL       string
+}
+
+// CheckOrphanRecords 执行孤立记录检查
+func (v *ForeignKeyValidator) CheckOrphanRecords(ctx context.Context) ([]OrphanRecordCheck, error) {
+	checks := []orphanCheckSQL{
+		// 检查孤立的supply_accounts
+		{
+			TableName: "supply_accounts",
+			FieldName: "user_id",
+			SQL:       `SELECT COUNT(*) FROM supply_accounts sa WHERE NOT EXISTS (SELECT 1 FROM iam_users WHERE id = sa.user_id)`,
+		},
+		// 检查孤立的supply_packages
+		{
+			TableName: "supply_packages",
+			FieldName: "supply_account_id",
+			SQL:       `SELECT COUNT(*) FROM supply_packages sp WHERE NOT EXISTS (SELECT 1 FROM supply_accounts WHERE id = sp.supply_account_id)`,
+		},
+		// 检查孤立的supply_orders (supply_account_id)
+		{
+			TableName: "supply_orders",
+			FieldName: "supply_account_id",
+			SQL:       `SELECT COUNT(*) FROM supply_orders so WHERE NOT EXISTS (SELECT 1 FROM supply_accounts WHERE id = so.supply_account_id)`,
+		},
+		// 检查孤立的supply_orders (supply_package_id)
+		{
+			TableName: "supply_orders",
+			FieldName: "supply_package_id",
+			SQL:       `SELECT COUNT(*) FROM supply_orders so WHERE NOT EXISTS (SELECT 1 FROM supply_packages WHERE id = so.supply_package_id)`,
+		},
+	}
+
+	var results []OrphanRecordCheck
+	for _, check := range checks {
+		var count int64
+		err := v.pool.QueryRow(ctx, check.SQL).Scan(&count)
+		if err != nil {
+			return nil, fmt.Errorf("failed to check orphans for %s.%s: %w", check.TableName, check.FieldName, err)
+		}
+		if count > 0 {
+			results = append(results, OrphanRecordCheck{
+				TableName: check.TableName,
+				FieldName: check.FieldName,
+				Count:    count,
+			})
+		}
+	}
+
+	return results, nil
+}
+
+// ForeignKeyPolicy 外键策略定义
+type ForeignKeyPolicy struct {
+	// 保留物理外键的表
+	PhysicalFKTables []string
+	// 使用应用层外键的表
+	ApplicationFKTables []string
+	// 无外键的表
+	NoFKTables []string
+}
+
+// GetDefaultForeignKeyPolicy 获取默认外键策略
+func GetDefaultForeignKeyPolicy() *ForeignKeyPolicy {
+	return &ForeignKeyPolicy{
+		// 核心实体表保留物理外键
+		PhysicalFKTables: []string{
+			"core_tenants",
+			"core_projects",
+			"iam_users",
+			"billing_accounts",
+		},
+		// 高频写入表使用应用层外键
+		ApplicationFKTables: []string{
+			"supply_accounts",
+			"supply_packages",
+			"supply_orders",
+			"supply_usage_records",
+			"supply_settlements",
+		},
+		// 审计/日志表无外键
+		NoFKTables: []string{
+			"audit_events",
+			"outbox_events",
+			"outbox_dead_letter",
+			"supply_idempotency_record",
+			"supply_batch_compensation",
+		},
+	}
+}
+
+// GetPolicyForTable 获取表的外键策略
+func (p *ForeignKeyPolicy) GetPolicyForTable(tableName string) string {
+	for _, t := range p.PhysicalFKTables {
+		if t == tableName {
+			return "physical"
+		}
+	}
+	for _, t := range p.ApplicationFKTables {
+		if t == tableName {
+			return "application"
+		}
+	}
+	for _, t := range p.NoFKTables {
+		if t == tableName {
+			return "none"
+		}
+	}
+	return "unknown"
+}