Synchronize Changes (Data Management)

Summary

Synchronizes updates between two replica geodatabases in a specified direction.

Usage

  • This tool is used when synchronizing replicas in connected mode.

  • Two-way, one-way, and check-out replicas can be synchronized with this tool.

  • The replica geodatabases can be local geodatabases or geodata services.

  • Once synchronized, the changes (edits) will be reflected in the target geodatabase and viewable by all users.

Parameters

LabelExplanationData Type
Geodatabase 1

The geodatabase hosting the replica to synchronize. The geodatabase can be local or remote.

Workspace; GeoDataServer
Replica

A valid replica with a parent contained in one input geodatabase and a child in the other input geodatabase.

String
Geodatabase 2

The geodatabase hosting the relative replica. The geodatabase can be local or remote.

Workspace; GeoDataServer
Direction

Specifies the direction in which the changes will be synchronized: from geodatabase 1 to geodatabase 2, from geodatabase 2 to geodatabase 1, or in both directions. For check-out/check-in replicas or one-way replicas, there is only one appropriate direction. If the replica is two-way, all of the choices are available.

  • Both directions —Changes will be synchronized in both directions. This is the default.
  • From geodatabase 2 to geodatabase 1 —Changes will be synchronized from geodatabase 2 to geodatabase 1.
  • From geodatabase 1 to geodatabase 2 —Changes will be synchronized from geodatabase 1 to geodatabase 2.
String
Conflict Resolution Policy

Specifies how conflicts will be resolved when they are encountered.

  • Manually resolve conflicts —Conflicts will be resolved manually in the versioning reconcile environment.
  • Resolve in favor of geodatabase 1 —Conflicts will be resolved in favor of geodatabase 1. This is the default.
  • Resolve in favor of geodatabase 2 —Conflicts will be resolved in favor of geodatabase 2.
String
Conflict Definition

Specifies how conflicts will be defined.

  • Conflicts defined by row —Changes to the same row or feature in the parent and child versions will conflict during reconcile. This is the default.
  • Conflicts defined by column — Only changes to the same attribute (column) of the same row or feature in the parent and child versions will be flagged as a conflict during reconcile. Changes to different attributes will not be considered a conflict during reconcile.
String
Reconcile with the Parent Version (Checkout only)

Specifies whether to automatically reconcile once data changes are sent to the parent replica if there are no conflicts present. This option is only available for check-out/check-in replicas.

  • Unchecked—Do not reconcile with the parent version. This is the default.
  • Checked—Reconcile with the parent version.
Boolean

Derived Output

LabelExplanationData Type
Output Geodatabase 1

The geodatabase hosting the replica to synchronize.

Workspace; GeoDataServer
Output Geodatabase 2

The geodatabase hosting the relative replica.

Workspace; GeoDataServer

arcpy.management.SynchronizeChanges(geodatabase_1, in_replica, geodatabase_2, in_direction, conflict_policy, conflict_definition, reconcile)
NameExplanationData Type
geodatabase_1

The geodatabase hosting the replica to synchronize. The geodatabase can be local or remote.

Workspace; GeoDataServer
in_replica

A valid replica with a parent contained in one input geodatabase and a child in the other input geodatabase.

String
geodatabase_2

The geodatabase hosting the relative replica. The geodatabase can be local or remote.

Workspace; GeoDataServer
in_direction

Specifies the direction in which the changes will be synchronized: from geodatabase 1 to geodatabase 2, from geodatabase 2 to geodatabase 1, or in both directions. For check-out/check-in replicas or one-way replicas, there is only one appropriate direction. If the replica is two-way, all of the choices are available.

  • BOTH_DIRECTIONSChanges will be synchronized in both directions. This is the default.
  • FROM_GEODATABASE2_TO_1Changes will be synchronized from geodatabase 2 to geodatabase 1.
  • FROM_GEODATABASE1_TO_2Changes will be synchronized from geodatabase 1 to geodatabase 2.
String
conflict_policy

Specifies how conflicts will be resolved when they are encountered.

  • MANUALConflicts will be resolved manually in the versioning reconcile environment.
  • IN_FAVOR_OF_GDB1Conflicts will be resolved in favor of geodatabase 1. This is the default.
  • IN_FAVOR_OF_GDB2Conflicts will be resolved in favor of geodatabase 2.
String
conflict_definition

Specifies how conflicts will be defined.

  • BY_OBJECTChanges to the same row or feature in the parent and child versions will conflict during reconcile. This is the default.
  • BY_ATTRIBUTE Only changes to the same attribute (column) of the same row or feature in the parent and child versions will be flagged as a conflict during reconcile. Changes to different attributes will not be considered a conflict during reconcile.
String
reconcile

Specifies whether to automatically reconcile once data changes are sent to the parent replica if there are no conflicts present. This option is only available for check-out/check-in replicas.

  • DO_NOT_RECONCILEDo not reconcile with the parent version. This is the default.
  • RECONCILEReconcile with the parent version.
Boolean

Derived Output

NameExplanationData Type
out_geodatabase_1

The geodatabase hosting the replica to synchronize.

Workspace; GeoDataServer
out_geodatabase_2

The geodatabase hosting the relative replica.

Workspace; GeoDataServer

Code sample

SynchronizeChanges example (Python window)

The following Python window example demonstrates how to use the SynchronizeChanges function in the Python window.

import arcpy
arcpy.env.workspace = "C:/Data"
arcpy.SynchronizeChanges_management("MyData.sde", "My2wayReplica", 
                                    "MyData_child.sde", "BOTH_DIRECTIONS",
                                    "IN_FAVOR_OF_GDB1", "BY_ATTRIBUTE")
SynchronizeChanges example 2 (stand-alone script)

The following demonstrates how to use the SynchronizeChanges function in a stand-alone Python script.

# Name: SynchronizeChanges_Example2.py
# Description: Synchronizes changes for a one way replica from the Parent to 
#              the child replica geodatabase. The parent is an enterprise 
#              geodatabase workspace, and the child is file geodatabase.

# Import system modules
import arcpy

# Set workspace
arcpy.env.workspace = "C:/Data"

# Set local variables
replica_gdb1 = "MyData.sde"
replica_gdb2 = "Counties_replica.gdb"
replica_name = "MyOneWayReplica"
sync_direction = "FROM_GEODATABASE1_TO_2"
conflict_policy = ""     # Not applicable for one way replicas, there is not conflict detection.
conflict_detection = ""  # Not applicable for one way replicas, there is not conflict detection.
reconcile = ""           # Only applicable for Checkout replicas

# Execute SynchronizeChanges
arcpy.SynchronizeChanges_management(replica_gdb1, replica_name, replica_gdb2, 
                                    sync_direction, conflict_policy, 
                                    conflict_detection, reconcile)

Licensing information

  • Basic: No
  • Standard: Yes
  • Advanced: Yes

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