feat: add support for adding _partitionvalue field

mc2mc/internal/client/client.go

@@ -28,6 +28,9 @@ type Client struct {
 	appCtx      context.Context
 	logger      *slog.Logger
 	shutdownFns []func() error
+
+	// TODO: remove this temporary capability after 15 nov
+	enablePartitionValue bool
 }
 
 func NewClient(ctx context.Context, setupFns ...SetupFn) (*Client, error) {
@@ -59,6 +62,9 @@ func (c *Client) Execute(ctx context.Context, tableID, queryFilePath string) err
 	if err != nil {
 		return errors.WithStack(err)
 	}
+	if c.enablePartitionValue {
+		queryRaw = addPartitionValueColumn(queryRaw)
+	}
 
 	// check if table is partitioned
 	partitionNames, err := c.OdpsClient.GetPartitionNames(ctx, tableID)
@@ -82,3 +88,9 @@ func (c *Client) Execute(ctx context.Context, tableID, queryFilePath string) err
 	c.logger.Info("execution done")
 	return errors.WithStack(err)
 }
+
+// TODO: remove this temporary support after 15 nov
+func addPartitionValueColumn(rawQuery []byte) []byte {
+	sanitizeQuery := strings.TrimSuffix(string(rawQuery), ";")
+	return []byte(fmt.Sprintf("SELECT *, STRING(CURRENT_DATE()) as __partitionvalue FROM (%s)", sanitizeQuery))
+}

mc2mc/internal/client/setup.go

@@ -51,3 +51,10 @@ func SetupLoader(loadMethod string) SetupFn {
 		return nil
 	}
 }
+
+func EnablePartitionValue(enabled bool) SetupFn {
+	return func(c *Client) error {
+		c.enablePartitionValue = enabled
+		return nil
+	}
+}

mc2mc/internal/config/config.go

@@ -16,6 +16,8 @@ type Config struct {
 	OtelCollectorGRPCEndpoint string
 	JobName                   string
 	ScheduledTime             string
+	// TODO: remove this temporary support after 15 nov 2024
+	DevEnablePartitionValue bool
 }
 
 type maxComputeCredentials struct {
@@ -37,6 +39,8 @@ func NewConfig() (*Config, error) {
 		OtelCollectorGRPCEndpoint: getEnv("OTEL_COLLECTOR_GRPC_ENDPOINT", ""),
 		JobName:                   getJobName(),
 		ScheduledTime:             getEnv("SCHEDULED_TIME", ""),
+		// TODO: delete this after 15 nov
+		DevEnablePartitionValue: getEnv("DEV__ENABLE_PARTITION_VALUE", "false") == "true",
 	}
 	// ali-odps-go-sdk related config
 	scvAcc := getEnv("SERVICE_ACCOUNT", "")

mc2mc/mc2mc.go

@@ -29,6 +29,7 @@ func mc2mc() error {
 		client.SetupOTelSDK(cfg.OtelCollectorGRPCEndpoint, cfg.JobName, cfg.ScheduledTime),
 		client.SetupODPSClient(cfg.GenOdps()),
 		client.SetupLoader(cfg.LoadMethod),
+		client.EnablePartitionValue(cfg.DevEnablePartitionValue),
 	)
 	if err != nil {
 		return errors.WithStack(err)