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Data Shaper
Data Shaper
  • 🚀GETTING STARTED
    • What is Primeur Data Shaper
      • What is the Data Shaper Designer
      • What is the Data Shaper Server
      • What is the Data Shaper Cluster
    • How does the Data Shaper Designer work
      • Designer Views and Graphs
      • Data Shaper Graphs
      • Designer Projects and Sandboxes
      • Data Shaper Designer Reference
    • How do the Data Shaper Server and Cluster work
      • Data Shaper Server and Cluster
      • Data Shaper Server Reference
    • VFS Graph Components
      • DataOneFileDescriptor (DOFD) metadata
      • Passing parameters from Data One Contract to Data Shaper graph
      • Inheriting Data One context attributes in Data Shaper graph
  • DATA SHAPER DESIGNER
    • Configuration
      • Runtime configuration
        • Logging
        • Master Password
        • User Classpath
      • Data Shaper Server Integration
      • Execution monitoring
      • Java configuration
      • Engine configuration
      • Refresh Operation
    • Designer User Interface
      • Graph Editor with Palette of Components
      • Project Explorer Pane
      • Outline Pane
      • Tabs Pane
      • Execution Tab
      • Keyboard Shortcuts
    • Projects
      • Creating Data Shaper projects
      • Converting Data Shaper projects
      • Structure of Data Shaper projects
      • Versioning of server project content
      • Working with Data Shaper Server Projects
      • Project configuration
    • Graphs
      • Creating an empty graph
      • Creating a simple graph
        • Placing Components
        • Placing Components from Palette
        • Connecting Components with Edges
    • Execution
      • Successful Graph Execution
      • Run configuration
      • Connecting to a running job
      • Graph states
    • Common dialogs
      • URL file dialog
      • Edit Value dialog
      • Open Type dialog
    • Import
      • Import Data Shaper projects
      • Import from Data Shaper server sandbox
      • Import graphs
      • Import metadata
    • Export
      • Export graphs to HTML
      • Export to Data Shaper Server sandbox
      • Export image
      • Export Project as Library
    • Graph tracking
      • Changing record count font size
    • Search functionality
    • Working with Data Shaper server
      • Data Shaper server project basic principles
      • Connecting via HTTP
      • Connecting via HTTPS
      • Connecting via Proxy Server
    • Graph components
      • Adding components
      • Finding components
      • Edit component dialog box
      • Enable/disable component
      • Passing data through disabled component
      • Common properties of components
      • Specific attribute types
      • Metadata templates
    • Edges
      • Connecting Components with Edges
      • Types of Edges
      • Assigning Metadata to Edges
      • Colors of Edges
      • Debugging Edges
      • Edge Memory Allocation
    • Metadata
      • Records and Fields
        • Record Types
        • Data Types in Metadata
        • Data Formats
        • Locale and Locale Sensitivity
        • Time Zone
        • Autofilling Functions
      • Metadata Types
        • Internal Metadata
        • External (Shared) Metadata
        • SQL Query Metadata
        • Reading Metadata from Special Sources
      • Auto-propagated Metadata
        • Sources of Auto-Propagated Metadata
        • Explicitly Propagated Metadata
        • Priorities of Metadata
        • Propagation of SQL Query Metadata
      • Creating Metadata
        • Extracting Metadata from a Flat File
        • Extracting Metadata from an XLS(X) File
        • Extracting Metadata from a Database
        • Extracting Metadata from a DBase File
        • Extracting Metadata from Salesforce
        • SQL Query Metadata
        • User Defined Metadata
      • Merging Existing Metadata
      • Creating Database Table from Metadata and Database Connection
      • Metadata Editor
        • Opening Metadata Editor
        • Basics of Metadata Editor
        • Record Pane
        • Field Name vs. Label vs. Description
        • Details Pane
      • Changing and Defining Delimiters
      • Editing Metadata in the Source Code
      • Multi-value Fields
        • Lists and Maps Support in Components
        • Joining on multivalue fields (Comparison Rules)
    • Connections
      • Database Connections
        • Internal Database Connections
        • External (Shared) Database Connections
        • Database Connections Properties
        • Encryption of Access Password
        • Browsing Database and Extracting Metadata from Database Tables
        • Windows Authentication on Microsoft SQL Server
        • Snowflake Connection
        • Hive Connection
        • Troubleshooting
      • JMS Connections
      • QuickBase Connections
      • Hadoop Connections
      • Kafka Connections
      • OAuth2 Connections
      • MongoDB Connections
      • Salesforce Connections
    • Lookup Tables
      • Lookup Tables in Cluster Environment
      • Internal Lookup Tables
      • External (Shared) Lookup Tables
      • Types of Lookup Tables
    • Sequences
      • Persistent Sequences
      • Non Persistent Sequences
      • Internal Sequences
      • External (Shared) Sequences
      • Editing a Sequence
      • Sequences in Cluster Environment
    • Parameters
      • Internal Parameters
      • External (Shared) Parameters
      • Secure Graph Parameters
      • Graph Parameter Editor
      • Secure Graph Parameters
      • Parameters with CTL2 Expressions (Dynamic Parameters)
      • Environment Variables
      • Canonicalizing File Paths
      • Using Parameters
    • Internal/External Graph Elements
    • Dictionary
      • Creating a Dictionary
      • Using a Dictionary in Graphs
    • Execution Properties
    • Notes in Graphs
      • Placing Notes into Graph
      • Resizing Notes
      • Editing Notes
      • Formatted Text
      • Links from Notes
      • Folding Notes
      • Notes Properties
    • Transformations
      • Defining Transformations
      • Transform Editor
      • Common Java Interfaces
    • Data Partitioning (Parallel Running)
    • Data Partitioning in Cluster
      • High Availability
      • Scalability
      • Graph Allocation Examples
      • Example of Distributed Execution
      • Remote Edges
    • Readers
      • Common Properties of Readers
      • ComplexDataReader
      • DatabaseReader
      • DataGenerator
      • DataOneVFSReader
      • EDIFACTReader
      • FlatFileReader
      • JSONExtract
      • JSONReader
      • LDAPReader
      • MultiLevelReader
      • SpreadsheetDataReader
      • UniversalDataReader
      • X12Reader
      • XMLExtract
      • XMLReader
      • XMLXPathReader
    • Writers
      • Common Properties of Writers
      • DatabaseWriter
      • DataOneVFSWriter
      • EDIFACTWriter
      • FlatFileWriter
      • JSONWriter
      • LDAPWriter
      • SpreadsheetDataWriter
      • HIDDEN StructuredDataWriter
      • HIDDEN TableauWriter
      • Trash
      • UniversalDataWriter
      • X12Writer
      • XMLWriter
    • Transformers
      • Common Properties of Transformers
      • Aggregate
      • Concatenate
      • DataIntersection
      • DataSampler
      • Dedup
      • Denormalizer
      • ExtSort
      • FastSort
      • Filter
      • Map
      • Merge
      • MetaPivot
      • Normalizer
      • Partition
      • Pivot
      • Rollup
      • SimpleCopy
      • SimpleGather
      • SortWithinGroups
      • XSLTransformer
    • Joiners
      • Common Properties of Joiners
      • Combine
      • CrossJoin
      • DBJoin
      • ExtHashJoin
      • ExtMergeJoin
      • LookupJoin
      • RelationalJoin
    • Others
      • Common Properties of Others
      • CheckForeignKey
      • DBExecute
      • HTTPConnector
      • LookupTableReaderWriter
      • WebServiceClient
    • CTL2 - Data Shaper Transformation Language
    • Language Reference
      • Program Structure
      • Comments
      • Import
      • Data Types in CTL2
      • Literals
      • Variables
      • Dictionary in CTL2
      • Operators
      • Simple Statement and Block of Statements
      • Control Statements
      • Error Handling
      • Functions
      • Conditional Fail Expression
      • Accessing Data Records and Fields
      • Mapping
      • Parameters
      • Regular Expressions
    • CTL Debugging
      • Debug Perspective
      • Importing and Exporting Breakpoints
      • Inspecting Variables and Expressions
      • Examples
    • Functions Reference
      • Conversion Functions
      • Date Functions
      • Mathematical Functions
      • String Functions
      • Mapping Functions
      • Container Functions
      • Record Functions (Dynamic Field Access)
      • Miscellaneous Functions
      • Lookup Table Functions
      • Sequence Functions
      • Data Service HTTP Library Functions
      • Custom CTL Functions
      • CTL2 Appendix - List of National-specific Characters
      • HIDDEN Subgraph Functions
    • Tutorial
      • Creating a Transformation Graph
      • Filtering the records
      • Sorting the Records
      • Processing Speed-up with Parallelization
      • Debugging the Java Transformation
  • DATA SHAPER SERVER
    • Introduction
    • Administration
      • Monitoring
    • Using Graphs
      • Job Queue
      • Execution History
      • Job Inspector
    • Cluster
      • Sandboxes in Cluster
      • Troubleshooting
  • Install Data Shaper
    • Install Data Shaper
      • Introduction to Data Shaper installation process
      • Planning Data Shaper installation
      • Data Shaper System Requirements
      • Data Shaper Domain Master Configuration reference
      • Performing Data Shaper initial installation and master configuration
        • Creating database objects for PostgreSQL
        • Creating database objects for Oracle
        • Executing Data Shaper installer
        • Configuring additional firewall rules for Data Shaper
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On this page
  • Short Description
  • Ports
  • Metadata
  • CheckForeignKey Attributes
  • Details
  • Foreign Key
  • Deprecated: Primary Key
  • Examples
  • Checking City Names of Branch Offices
  • See also
  1. DATA SHAPER DESIGNER
  2. Others

CheckForeignKey

Short Description

CheckForeignKey checks the validity of foreign key values and replaces invalid values by valid ones.

COMPONENT
SAME INPUT METADATA
SORTED INPUTS
INPUTS
OUTPUTS
EACH TO ALL OUTPUTS
JAVA
CTL
AUTO-PROPAGATED METADATA

CheckForeignKey

-

x

2

1-2

-

x

x

x

Ports

PORT TYPE
NUMBER
REQUIRED
DESCRIPTION
METADATA

Input

0

✓

For data with a foreign key

Any 1

1

✓

For data with a primary key

Any 2

Output

0

✓

For data with a corrected key

Input 0

1

x

For data with a invalid key

Input 0

Metadata

Metadata cannot be propagated through this component.

CheckForeignKey has no metadata template.

Metadata on both input ports can be different. Metadata on the output(s) are usually the same as those on the first input port. They must at least have the same metadata structure (the number of fields, data types and sizes). Field names may differ.

CheckForeignKey Attributes

ATTRIBUTE

REQ

DESCRIPTION

POSSIBLE VALUES

Basic

Foreign key

yes

A key according to which both incoming data flows are compared and data records are distributed among different output ports. For more information, see Foreign Key below.

Default foreign key

yes

A sequence of values corresponding to the Foreign key data types separated from each other by a semicolon. Serves to replace invalid foreign key values. For more information, see Foreign Key below.

Equal NULL

By default, records with null values of fields are considered to be different. If set to true, nulls are considered to be equal.

false (default) | true

Advanced

Hash table size

A table for storing key values. Should be higher than the number of records with unique key values.

512 (default) | properties

Deprecated

Primary key

A sequence of field names from the second input port separated from each other by semicolon. For more information, see Deprecated: Primary Key below.

Details

CheckForeignKey receives data records through two input ports.

The data records on the first input port are compared with those on the second input port. If a value of the specified foreign key (input port 0) is not found within the values of the primary key (input port1), the default value is given to the foreign key instead of its invalid value. Then all foreign records are sent to the first output port with the new (corrected) foreign key values and the original foreign records with invalid foreign key values can be sent to the optional second output port, if it is connected.

Foreign Key

The Foreign key is a sequence of individual assignments separated from each other by a semicolon. Each of these individual assignments looks like this: $foreignField=$primaryKey.

To define Foreign key, you must select the desired fields in the Foreign key tab of the Foreign key definition wizard. Select the fields from the Fields pane on the left and move them to the Foreign key pane on the right.

When you switch to the Primary key tab, you will see that the selected foreign fields appeared in the Foreign key column of the Foreign key definition pane.

You only need to select some primary fields from the left pane and move them to the Primary key column of the Foreign key definition pane on the right.

You must also define the default foreign key values (Default foreign key). This key is also a sequence of values of corresponding data types separated from each other by a semicolon. The number and data types must correspond to metadata of the foreign key.

If you want to define the default foreign key values, you need to click the Default foreign key attribute row and type the default values for all fields.

Deprecated: Primary Key

In older versions, you had to specify both the primary and the foreign keys using the Primary key and the Foreign key attributes, respectively. They had a form of a sequence of field names separated from each other by a semicolon. However, the use of Primary key is deprecated now.

Examples

Checking City Names of Branch Offices

Check list of customers for cities without our branch office.

List of customers

John Doe        | London
Lucy Brown      | Glasgow
Elisabeth Smith | Stratford-upon-Avon
...

List of cities with our branch office

Edinburgh
Glasgow
London
...

Solution

Pass the list of customers (CustomerName and BranchOfficeCity) to the first input port and the list of cities with branch offices to the second input port.

Use the Foreign key and Default foreign key attributes.

ATTRIBUTE
VALUE

Foreign key

$BranchOfficeCity=$city

Default foreign key

Not Found;

If a city from the list of customers was not found in the list with branch office cities, we changed the city name to Not Found.

See also

PreviousCommon Properties of OthersNextDBExecute

Last updated 1 month ago

Common properties of components
Specific attribute types