added WriteMode for Snapshot config

flow/connectors/postgres/cdc.go

@@ -6,6 +6,7 @@ import (
 	"reflect"
 	"time"
 
+	"github.com/PeerDB-io/peer-flow/connectors/utils"
 	"github.com/PeerDB-io/peer-flow/generated/protos"
 	"github.com/PeerDB-io/peer-flow/model"
 	"github.com/PeerDB-io/peer-flow/model/qvalue"
@@ -16,7 +17,6 @@ import (
 	"github.com/jackc/pgx/v5/pgxpool"
 	"github.com/lib/pq/oid"
 	log "github.com/sirupsen/logrus"
-	"go.temporal.io/sdk/activity"
 )
 
 type PostgresCDCSource struct {
@@ -157,7 +157,7 @@ func (p *PostgresCDCSource) consumeStream(
 			}
 
 			numRowsProcessedMessage := fmt.Sprintf("processed %d rows", len(records.Records))
-			activity.RecordHeartbeat(p.ctx, numRowsProcessedMessage)
+			utils.RecordHeartbeatWithRecover(p.ctx, numRowsProcessedMessage)
 			log.Infof("Sent Standby status message. %s", numRowsProcessedMessage)
 			nextStandbyMessageDeadline = time.Now().Add(standbyMessageTimeout)
 		}

flow/connectors/postgres/postgres.go

@@ -20,7 +20,6 @@ import (
 	"github.com/jackc/pgx/v5/pgconn"
 	"github.com/jackc/pgx/v5/pgxpool"
 	log "github.com/sirupsen/logrus"
-	"go.temporal.io/sdk/activity"
 	"golang.org/x/exp/maps"
 )
 
@@ -545,7 +544,7 @@ func (c *PostgresConnector) GetTableSchema(
 			return nil, err
 		}
 		res[tableName] = tableSchema
-		c.recordHeartbeatWithRecover(fmt.Sprintf("fetched schema for table %s", tableName))
+		utils.RecordHeartbeatWithRecover(c.ctx, fmt.Sprintf("fetched schema for table %s", tableName))
 	}
 
 	return &protos.GetTableSchemaBatchOutput{
@@ -647,7 +646,7 @@ func (c *PostgresConnector) SetupNormalizedTables(req *protos.SetupNormalizedTab
 
 		tableExistsMapping[tableIdentifier] = false
 		log.Printf("created table %s", tableIdentifier)
-		c.recordHeartbeatWithRecover(fmt.Sprintf("created table %s", tableIdentifier))
+		utils.RecordHeartbeatWithRecover(c.ctx, fmt.Sprintf("created table %s", tableIdentifier))
 	}
 
 	err = createNormalizedTablesTx.Commit(c.ctx)
@@ -747,7 +746,7 @@ func (c *PostgresConnector) EnsurePullability(req *protos.EnsurePullabilityBatch
 					RelId: relID},
 			},
 		}
-		c.recordHeartbeatWithRecover(fmt.Sprintf("ensured pullability table %s", tableName))
+		utils.RecordHeartbeatWithRecover(c.ctx, fmt.Sprintf("ensured pullability table %s", tableName))
 	}
 
 	return &protos.EnsurePullabilityBatchOutput{TableIdentifierMapping: tableIdentifierMapping}, nil
@@ -871,15 +870,3 @@ func parseSchemaTable(tableName string) (*SchemaTable, error) {
 		Table:  parts[1],
 	}, nil
 }
-
-// if the functions are being called outside the context of a Temporal workflow,
-// activity.RecordHeartbeat panics, this is a bandaid for that.
-func (c *PostgresConnector) recordHeartbeatWithRecover(details ...interface{}) {
-	defer func() {
-		if r := recover(); r != nil {
-			log.Warnln("ignoring panic from activity.RecordHeartbeat")
-			log.Warnln("this can happen when function is invoked outside of a Temporal workflow")
-		}
-	}()
-	activity.RecordHeartbeat(c.ctx, details...)
-}

flow/connectors/postgres/postgres_cdc_test.go

@@ -448,9 +448,11 @@ func (suite *PostgresCDCTestSuite) TestErrorForTableNotExist() {
 		TableNameSchemaMapping: tableNameSchemaMapping,
 		RelationMessageMapping: relationMessageMapping,
 	})
-	suite.Equal(0, len(recordsWithSchemaDelta.RecordBatch.Records))
-	suite.Nil(recordsWithSchemaDelta.TableSchemaDelta)
-	suite.Nil(err)
+	suite.Nil(recordsWithSchemaDelta)
+	suite.Errorf(
+		err,
+		"error while closing statement batch: ERROR: relation \"%s\" does not exist (SQLSTATE 42P01)",
+		nonExistentFlowSrcTableName)
 
 	err = suite.connector.PullFlowCleanup(nonExistentFlowName)
 	suite.failTestError(err)

flow/connectors/utils/heartbeat.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"time"
 
+	log "github.com/sirupsen/logrus"
 	"go.temporal.io/sdk/activity"
 )
 
@@ -30,3 +31,15 @@ func HeartbeatRoutine(
 	}()
 	return shutdown
 }
+
+// if the functions are being called outside the context of a Temporal workflow,
+// activity.RecordHeartbeat panics, this is a bandaid for that.
+func RecordHeartbeatWithRecover(ctx context.Context, details ...interface{}) {
+	defer func() {
+		if r := recover(); r != nil {
+			log.Warnln("ignoring panic from activity.RecordHeartbeat")
+			log.Warnln("this can happen when function is invoked outside of a Temporal workflow")
+		}
+	}()
+	activity.RecordHeartbeat(ctx, details...)
+}

flow/workflows/snapshot_flow.go

@@ -148,6 +148,9 @@ func (s *SnapshotFlowExecution) cloneTable(
 		SyncMode:                   s.config.SnapshotSyncMode,
 		MaxParallelWorkers:         numWorkers,
 		StagingPath:                s.config.SnapshotStagingPath,
+		WriteMode: &protos.QRepWriteMode{
+			WriteType: protos.QRepWriteType_QREP_WRITE_MODE_APPEND,
+		},
 	}
 
 	numPartitionsProcessed := 0