Group By Fields

Owned by Kalpana Malladi
Last updated: Jun 05, 2024 by Kalpana Malladi
7 min read

In this article

Snap type:

Transform

Description:

The Snap groups input documents by the field values into batches of output documents. Each batch is an output document with a list of input Map data as a value at the location specified by the Target field property. Input documents with the same group-by field values are grouped into the same output document.


The Snap expects the input documents with the same group-by field values to be contiguous and whenever the group-by field values change, the Snap produces a new output document. Therefore, if all input documents with the same group-by field values are expected to be grouped into one output document, the Sort Snap can be used in front of the Group By Fields Snap so that the input document stream are sorted by the group-by field values.


  • Expected upstream Snaps: Any Snap with a document output view
  • Expected downstream Snaps: Any Snap with a document input view
  • Expected input: A document with Map data
  • Expected output: A document with a list of input Map data as a value at the location specified by the Target field
Prerequisites:

All input documents should be of Map data type and contain values specified by the Fields property.

Support and limitations:Does not work in Ultra Pipelines.
Account: 

Accounts are not used with this Snap.

Views:
InputThis Snap has exactly one document input view.
OutputThis Snap has exactly one document output view. The Snap is configured with a second output view to get statistics of the input data
ErrorThis Snap has at most one document error view and produces zero or more documents in the view. The error view contains error, reason, resolution and stack trace.

Settings

Label


Required. The name for the Snap. You can modify this to be more specific, especially if you have more than one of the same Snap in your pipeline.

Fields



Required. The fields to group by.

Example: $OrderNumber

Default value: [None]

Memory Sensitivity

Required. Indicates the Snap's behavior towards memory changes. Choose one of the available options:

  • None: If selected, it groups input documents by the field values into batches of output documents.

  • Dynamic: If selected, groups may be split into multiple parts, depending on memory availability. The group size to scale against each group is determined statistically from the groups already processed (mean group size + one standard deviation)

Default value: [None]

Min. Part Size

Activated when Memory Sensitivity is set to Dynamic.

Enter the minimum part size that you want Snap to split larger groups into multiple parts. 

This limit does not apply to the last part of the multi-part group or a single part of the group that's smaller than the size of the part mentioned here. 

Example: 100

Default value: 10

Target field


Required. Target field name to be used as a key in the output document or a JSON path where a list of input Map data would be located.

Example: batch

Default value: group

Minimum memory (MB)

If the available memory is less than this property value while processing input documents, the Snap stops to fetch the next input document until more memory is available. This feature is disabled if this property value is 0.

Example: 500

Default value: 750

Out-of-memory timeout (minutes)

If the Snap pauses longer than this property value while waiting for more memory available, it throws an exception to prevent the system from running out of memory.


Example: 30

Default value: 20

Snap Execution



Select one of the three modes in which the Snap executes. Available options are:

  • Validate & Execute: Performs limited execution of the Snap, and generates a data preview during Pipeline validation. Subsequently, performs full execution of the Snap (unlimited records) during Pipeline runtime.

  • Execute only: Performs full execution of the Snap during Pipeline execution without generating preview data.

  • Disabled: Disables the Snap and all Snaps that are downstream from it.

Default Value: Execute only
Example: Validate & Execute

Examples

 Input and output documents batched by the group name and fields

Input and Output Documents Batched by the Group Name and Fields

In this pipeline, the Group By Fields Snap groups the input documents into a batch of output documents with the same group by the field property.

The JSON Generator Snap passes the values to be batched into groups by fields.


The Sort Snap Sorts the input documents into ascending order, the respective output preview:


The Group By Fields Snap groups the documents by group name and fields.

The output preview from the Group By Fields Snap grouped by the order number and the group fields:


The output preview in the table format:


 Input and output documents by code

Input and Output Documents by Code

Assume an input stream of nine documents as follows:

[
    {
      "OrderNumber": 1,
      "something": "abc"
    },
    {
      "OrderNumber": 1,
      "something": "def"
    },
    {
      "OrderNumber": 1,
      "something": "ghi"
    },
    {
      "OrderNumber": 2,
      "something": "jkl"
    },
    {
      "OrderNumber": 2,
      "something": "mno"
    },
    {
      "OrderNumber": 2,
      "something": "pqr"
    },
    {
      "OrderNumber": 3,
      "something": "stu"
    },
    {
      "OrderNumber": 3,
      "something": "vwx"
    },
    {
      "OrderNumber": 4,
      "something": "yz"
    }
]


 If we set the Fields property to "$OrderNumber" and the Target field property to "$group.items", there will be four output documents as follows:


[
  {
    "groupBy": {
      "OrderNumber": 1
    },
    "group": {
      "items": [
        {
          "OrderNumber": 1,
          "something": "abc"
        },
        {
          "OrderNumber": 1,
          "something": "def"
        },
        {
          "OrderNumber": 1,
          "something": "ghi"
        }
      ]
    }
  },
  {
    "groupBy": {
      "OrderNumber": 2
    },
    "group": {
      "items": [
        {
          "OrderNumber": 2,
          "something": "jkl"
        },
        {
          "OrderNumber": 2,
          "something": "mno"
        },
        {
          "OrderNumber": 2,
          "something": "pqr"
        }
      ]
    }
  },
  {
    "groupBy": {
      "OrderNumber": 3
    },
    "group": {
      "items": [
        {
          "OrderNumber": 3,
          "something": "stu"
        },
        {
          "OrderNumber": 3,
          "something": "vwx"
        }
      ]
    }
  },
  {
    "groupBy": {
      "OrderNumber": 4
    },
    "group": {
      "items": [
        {
          "OrderNumber": 4,
          "something": "yz"
        }
      ]
    }
  }
]

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The JSON Formatter Snap output now includes only those fields from the input file that are specified in the Content field under Settings. 

If your Pipelines use the JSON Formatter Snap with the JSON lines field selected, they may fail to execute correctly if the Content field mentions a specific object or field but the downstream Snap is expecting the entire data. Hence, for backward compatibility, you must review the entries in the Content field based on the desired output, as follows: 

  • Enter $ to include all the fields in the output.
    OR
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The behavior of the Snap when the JSON lines field is not selected is correct and remains unchanged.  

The Example: Filtering Output Data Using the JSON Formatter Snap's Content Setting further illustrates the corrected vs the old behavior.

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XML Generator Snap behavior might break existing Pipelines

The XML Generator Snap now gives precedence to any custom XML data that is provided over data coming from upstream Snaps, to generate the output. 

Existing Pipelines using the XML Generator Snap may fail in the following scenarios. Use the resolution provided to update the Snap settings based on the XML data you want to pass to downstream Snaps.

Breaking Scenario

Resolution

Downstream Snaps expect XML output from upstream Snaps, but custom XML data exists in the XML Generator Snap.

  • To use custom XML data, ensure that the Inbound schema and XML root element are specified and custom XML data is entered using the Edit XML option.
  • To use data from upstream Snaps, ensure that the Inbound schema and XML root element fields are blank and no custom XML data exists in the XML editor.


In the XML Generator Snap settings, the XML root element and Inbound schema are specified but no custom XML data is provided. This will generate a validation error. 
In the XML Generator Snap settings, custom XML data is provided and Validate XML checkbox is selected, but XML root element and Inbound schema are not specified. This will generate a validation error.
4.20 Patchtransform8738-Latest
  • Fixes the error that occurs while transforming an XML document into a string or while using the Excel Formatter Snap by retaining only one version of the Saxon library – net.sf.Saxon: Saxon-HE:9.6.0-10 across the Transform Snap Pack.
  • Fixes null handling in the Aggregate Snap whereby changing the order of entries in the Aggregate fields fieldset results in different outputs when the input documents contain one or more null values.
  • Fixes the issue with the Excel Parser Snap whereby the Snap does not parse the date and time correctly for custom date formats.
4.20snapsmrc535-StableUpgraded with the latest SnapLogic Platform release.
4.19 Patchtransform8280-Latest

Fixed an issue with the Excel Parser Snap wherein the Snap incorrectly outputs Unformatted General Number format. 

4.19snaprsmrc528-Stable

The output of the AVG function in the Aggregate Snap now rounds up all numeric values that have more than 16 digits.

4.18 Patch transform8199-Latest

Fixed an issue with the Excel Multi Sheet Formatter Snap wherein the Snap fails to create sheets in the expected order.

4.18 Patchtransform7994-Latest

Added a field, Round dates, to the Excel Parser Snap which enables you to round numeric excel data values to the closest second.

4.18 Patchtransform7780-Latest
  • Fixed an issue with the Excel Parser Snap by upgrading Apache POI to version 3.14, wherein the Snap is unable to parse an excel file with custom namespaces.
  • Fixed an issue with the Excel Parser Snap wherein the Snap converts real numbers to two decimal places when formatted for currency. A new property Cell formatting now supports unformatted outputs.
4.18 Patchtransform7741-Latest

Fixed an issue with the Sort and Join Snaps wherein the platform removes all temp files at the end of Pipeline execution.

4.18 Patchtransform7711-Latest

Fixed an issue with the XML Parser Snap wherein a class cast exception occurs when the Snap is configured with a Splitter and Namespace Context.

4.18snapsmrc523-Stable
  • Enhanced the sort feature of the Sort Snap to support specifying sort order at the field level. Added two new fields, Sort Path and Sort Order, to the Sort paths property; renamed the Sort order property to Sort order (Global).
  • Enhanced the Group Size property of the Group by N Snap to be expression enabled and removed the upper bound threshold (of 10000).
4.17 Patch Transform7431-Latest

Added a new field, Ignore empty stream, to the Avro Formatter Snap that writes an empty array in the output in case of no input documents.

4.17 PatchTransform7417-Latest

Added a new field, Format as canonical XML, to the XSLT Snap that enables canonical XML formatting.

4.17 PatchALL7402-Latest

Pushed automatic rebuild of the latest version of each Snap Pack to SnapLogic UAT and Elastic servers.

4.17 snapsmrc515-Stable
  • Added the Derive schema from the sample size menu option to the JSON Formatter Snap, whereby you select the sampling size of the schema from the data source.
  • Added the capability to select either document (previously supported) or binary data (new) for your input and output views to the Mapper Snap.
  • Added the Snap Execution field to all Standard-mode Snaps. In some Snaps, this field replaces the existing Execute during the preview check box.
4.16 Patchtransform7093-Latest

Fixed an issue with the XSLT Snap failure by enhancing the Saxon version.

4.16 Patchtransform6962-Latest
  • Added a new property, Escape special characters, to the XML Generator Snap that enables you to escape XML special characters in template variable values.
  • Added a new property, Header size error policy, to the CSV Formatter and CSV Parser Snaps. The property enables you to handle header size errors.
4.16 Patchtransform6869-Latest

Fixed an issue with the XML Parser Snap wherein XSD with annotations were incorrectly interpreted.

4.16snapsmrc508-StableUpgraded with the latest SnapLogic Platform release.
4.15 Patchtransform6736-Latest

Fixed an issue wherein the XML Generator Snap was unable to escape some of the special characters.

4.15 Patchtransform6680-Latest

Fixed an issue with the Excel Parser Snap wherein headers were not parsed properly and header columns were also maintained in an incorrect order.

4.15 Patchtransform6402-Latest

Fixed an issue with an object type in the Fixed Width Formatter Snap.

4.15 Patchtransform6386-Latest

Fixed an issue with the Fixed Width Parser Snap wherein Turkish characters caused incorrect parsing of data on Windows plex.

4.15 Patchtransform6321-Latest

Fixed an issue with the XML Parser Snap wherein the Snap failed to get data types from XSD.

4.15 Patchtransform6265-Latest

Fixed an issue with the XML Parser wherein XML validation was failing if the XSD contained xsd:include.

4.15snapsmrc500-Stable

Added a new property, Binary header properties, to the Document to binary Snap that enables you to specify the properties to add to the binary document's header.

4.14 Patchtransform6098-Latest

Fixed an issue wherein the XML Parser Snap was not maintaining the datatype mentioned in the XSD file.

4.14 Patchtransform6080-Latest

Fixed an issue with the Avro Formatter Snap wherein the Snap was failing for a complex JSON input.

4.14 PatchMULTIPLE5732-Latest

Fixed an issue with S3 file reads getting aborted intermittently because of incomplete consumption of input stream.

4.14 Patchtransform5684-Latest

Fixed the JSON Parser Snap that causes the File Reader Snap to fail to read S3 file intermittently with an AbortException error.

4.14 snapsmrc490-StableUpgraded with the latest SnapLogic Platform release.
4.13 Patchtransform5411-Latest

Fixed an issue in the CSV Formatter Snap where the output showed extra values that were not provided in the input.

4.13snapsmrc486-StableUpgraded with the latest SnapLogic Platform release.
4.12 Patch transform5005-Latest

Fixed an issue with the Excel Parser Snap that drops columns when the value is null at the end of the row.

4.12 Patchtransform4913-Latest

Fixed an issue in the Excel Formatter Snap, wherein opening an output stream prematurely causes the Box Write Snap to fail. Excel Formatter now awaits the first input document, before opening an output stream.

4.12 Patchtransform4747-Latest

Fixed an issue that caused the Join Snap to go out of memory.

4.12snapsmrc480-Stable

  • Improved performance for both Aggregate and Join Snaps.

  • Added Select All and Deselect All buttons to the Mapper table

4.11 Patchtransform4558-Latest

Enforced UTF-8 character encoding for the Fixed Width Formatter Snap.

4.11 Patchtransform4343-Latest

Enhanced enum labels on the Binary to Document and the Document to Binary Snaps for the Encode or Decode property with DOCUMENT and NONE options.

4.11 Patch transform4361-Latest

Fixed a sorting issue with the Join and Sort Snaps where the end of the file was not detected correctly.

4.11 Patchtransform4281-Latest

Added support on the Kryo serialization for UUID and other types to the Sort, Join and In-Memory Lookup Snaps.

4.11snapsmrc465--
  • Updated the JSON Formatter Snap with Binary Header and Content properties to allow the Snap to pass through binary header data.
  • Enhanced the In-memory Lookup Snap for Performance Optimization.
  • Enhanced the Sort Snap for Performance Optimization.
  • Updated the Excel Parser with will Insert null columns property to insert 'null' on missing columns at end.
4.10 Patchtransform4058--

Addressed an issue with the Excel Parser Snap that failed with out of memory when using large input Data (eg. 191 MB).

4.10 Patchtransform3956--

Conditional Snap: fixed an issue with the "Null-safe access" Snap Setting not being respected for return values.

4.10 snapsmrc414--
  • CSV Parser Snap updated with Ignore empty stream property to support passing the empty data.
  • XML Formatter Snap updated with Max schema levels property to support the outbound schema XSD containing import statements.
  • Addressed spelling errors in messages across the Snap Pack.
4.9.0 Patchtransform3343--

Join Snap - All input documents from all input views should be consumed before the end of Snap execution.

4.9.0 Patchtransform3281--

Made all four output views in Diff snap as mandatory.

4.9.0 Patchtransform3264--

Made all four output views in Diff snap as mandatory.

4.9.0 Patchtransform3220--

CSV Parser Snap - A new Snap property Ignore empty data with true default is added

4.9.0 Patchtransform3019--

Addressed an issue with the transform2989 build.

4.9.0 Patchtransform2989--

Addressed an issue with Excel Parser not displaying the most recent cached value for vlookups containing missing external references.

4.9.0
--

Introduced Encrypt Field and Decrypt Field Snaps.

4.8.0 Patch transform2956--

[CSVParser] Fixed an issue where an empty Quote Character config field was defaulting to the unicode quote character U+0000 (null). This caused issues if the input CSV had U+0000 characters in it.

4.8.0 Patchtransform2848--
  • Addressed an issue with Excel Multi sheet Formatter creating unreadable data on the output view when there is no input document.
  • Addressed an issue with CSV Formatter Snap failing on empty input data.
  • Addressed an issue with an upstream Script Snap throwing a NoClassDefFoundError in the Sort Snap.
4.8.0 Patchtransform2768--

Addressed an issue with CSV Parser causing a spike in CPU usage.

4.8.0 Patchtransform2736--

Addressed an issue with Excel Formatter dropping the first record when Ignore empty stream is selected.

4.8.0
--
  • Updated the CSV Formatter Snap with Newline property. This lets you select newline characters as a line break.
  • CSV Formatter Snap: Snap-aware error handling policy enabled for Spark mode. This ensures the error handling specified on the Snap is used.
  • Mapper: Snap-aware error handling policy enabled for Spark mode. This ensures the error handling specified on the Snap is used.
4.7.0 Patchtransform2549--

Addressed an issue with Excel Formatter altering decimal numbers to text.

4.7.0 Patchtransform2344--

Resolved an issue with validation of pipelines taking more time than executing a pipeline when a large amount of data is used.

4.7.0 Patchtransform2335--

Resolved an issue with XML Parser failing with error: 'Maximum attribute size (524288) exceeded'.

4.7.0 Patch transform2206--

Resolved an issue with JSON Generator failing with an "Invalid UTF-8 middle byte 0x70" error on Windows.

4.7.0
--
  • Updated Sort Snap with the property Maximum memory %. (Also released as a patch to 4.6.0)
  • Updated JSON Formatter Snap with the JSON lines field, an option that outputs each document fully in a single line followed by a newline. 
  • Updated the JSON Splitter Snap with  Json Path property. 
  • Updated the Excel Parser Snap with the new field, Header row.
4.6.0 Patchtransform2018

Resolved an issue where Excel Parser did not reliably set header row when "contains headers" is checked

4.6.0 Patchtransform1905

Resolved an issue in Sort Snap where buffer size should not be fixed for optimal performance

4.6.0 Patchtransform1901

  • In-Memory Lookup Snap: Resolved an issue where the internal lookup table size was fixed at 1GB.
  • New property "Maximum memory %" allows users to use larger memory for optimal performance.
4.6.0 Patchtransform1871

Resolved a performance issue in Excel Multi Sheet Formatter.

4.6.0


  • The following Snaps now support error view in Spark mode: Aggregate, CSV Parser, JSON Parser, Join, Unique.
  • Added an option to enable output readability. The newly added option is Pretty-print.
  • Resolved an issue in Excel Formatter Snap that formatted decimal numbers as text in the output XLS file.
  • Resolved an issue in XML Generator Snap that expired the internal cache after 50 minutes.  
  • Resolved an issue in Join Snap that caused unexpected failures while performing join or duplicated column values.
  • Resolved an issue in Sort Snap that caused unexpected results when provided with multiple sort paths.
  • You can now expand/collapse all nodes of a schema tree by holding the Shift key while clicking on the plus (+) sign.
  • Schemas with less than 1000 entries will now auto-expand when searching/filtering. 
4.5.1


  • XML Formatter is enhanced to transform an XML output to canonical XML. For more information, see XML Formatter. 
  • Join Snap is updated to support a new join type, Merge. For more information, see Join.
  • Fixed an error in XML Parser Snap that caused the Snap to fail for a valid specification, a hierarchy with an XPath expression.
  • Fixed an error in CSV Parser Snap that causes the skip lines option to not take effect in Spark mode.
  • Fixed an error in Join Snap that caused unintended values in the output document if one of the inputs has zero documents. 
  • Fixed an error that throws incorrect resolution for a failure when a Join Snap has unconnected input views.
  • Fixed an error in Sort Snap that occurred because the upstream Snap was producing Long instead of Big integer. 
  • Fixed an error in Sort Snap to ensure appropriate error handling. 
  • Fixed an error in Join Snap, in Ultra mode, that that caused execution failure due to lineage information. 
  • The version of the Join Snap deprecated in 4.4.1 is no longer available in the catalog.
  • CSV Parser Snap is updated to ensure appropriate parsing of input data. The Snaps that worked prior to 4.4.1 were failing in the 4.4.2 version. This has been rectified. 
4.5.0


  • Spark Mode enabled for Join, JSON Splitter, JSON Formatter, JSON Parser.
  • Resolved an exception in the Join Snap.
  • Resolved an issue with the Mapper Snap that occurred while evaluating an expression and reporting its error.
  • Resolved an issue with CSV Formatter adding extra data to output when used in Spark mode.
  • Resolved an issue with CSV Parser Snap that occurred when the second input view did not contain a header.
  • Resolved an issue with the Mapper Snap that occurred while evaluating an expression and reporting its error. 
4.4.1


  • NEW! Excel Multi Sheet Formatter
  • NEW! In-Memory Lookup
  • Deprecated: The Join Snap has been deprecated and is labeled as such. Existing pipelines using this Join Snap (which is now deprecated) will continue to function as-is without any issues, including pipeline execution or while pipeline deployment across orgs. This Snap will continue to be supported for two Platform Level (x.x) Sprints, which is approximately six months. After that point, no bug fixes will be applied to the Snap. It is recommended to move to use the new Snaps (Join and In-Memory Lookup), which together have significant performance and efficiency benefits.
  • Name change: The Multi-Join Snap has been renamed to Join.
  • Aggregate: Resolved an issue with Sum and Avg Functions not returning correct output in Spark mode.
  • CSV Parser: A second optional input view was enabled to add the ability to associate an external schema file.
  • CSV Formatter: A new property, Quote mode, specifies how the quote character should be used in formatting the CSV data.
  • JSON Formatter: Resolved an issue with the Ignore Empty Streams option not working.
  • JSON Parser: Resolved an issue with error handling when an empty file is passed in an Ultra task.
  • Resolved an issue with XSLT Snap incorrectly completing successfully when a truncated XML document was passed.
  • ZipFile Read:
    • Resolved an issue with Content-length, content-location showing differently for different protocols.
    • Resolved an issue with spaces in file and folder names displaying as "%20".
4.4


  • NEW! Pivot Snap
  • Resolved an issue with JSON Splitter modifying documents that were already sent out.
  • Spark support added to the Aggregate, CSV Formatter, CSV Parser, Mapper, Sort, and Unique Snaps.
4.3.2


  • NEW! Group By Fields and Group By N Snaps added.
  • Behavior change: CSV Formatter: Expression support added to Delimiter and Quote Character properties. You will need to toggle on the expression button to use an expression in this field.
  • Behavior change: CSV Parser: Expression support added to Delimiter, Quote Character, and Escape Character properties. You will need to toggle on the expression button to use an expression in this field.
  • Resolved an issue with Encrypt and Compress showing 352 bytes of data when CSV Formatter has Ignore empty stream enabled.
  • Resolved an issue with Sequence Snap failing if trying to read parameters from upstream.
  • Resolved an issue with Sort Snap not failing with warning/error when incorrect (non-existent) field is referenced in the Sort path.
  • Resolved an issue with CSV Formatter failing with error Input length = 1. 
  • (Data) removed from the Mapper Snap name.
  • Resolved an issue with Excel Parser Snap ignoring a column if it contained null values when selecting the Contains headers option.
  • Resolved an issue with Excel formatter truncating leading zero in string type.
  • Resolved an issue with Binary to Document Snap not routing the Content into the error view.
  • The Multi Join Snap has been pulled from the Snap catalog when in SnapReduce mode as it is not yet supported.
4.3.1


  • Addressed the following defects:
    • Defect: XML Generator failing with null pointer exception when simultaneous triggered task are executed
    • Defect: JSON Formatter Snap - fails to close JSON binary stream with closing bracket ']' when user stop the pipeline
4.3.0


  • Excel Parser now has an Evaluate formulas option. Select this option if the cell formulas are to be evaluated and results displayed instead of raw formulas.
  • Multi Join Snap
    • Enhanced to make the Left and Right path schema-aware. 
    • Resolved an issue when attempting a join where one or both inputs are empty.
4.2.2


  • NEW! Multi Join Snap. This streaming supports joins of two or more sorted data streams.
  • Sequence Snap now supports pass through.
  • Resolved an issue where the Excel Parser Snap always returned the header from the first sheet for all sheets if the Excel file format was the older .xls format. Additionally, Improved the error message when the sheet given does not exists.
  • Sort Snap: Null greater option added to let you indicate if null values should be treated as greater than non-null values when sorted.
  • Resolved an issue with the Aggregate Snap failing with a null pointer exception.

August 7, 2015 (2015.25/4.2.1)

  • Resolved an issue in Excel Parser where Headers were not displayed properly if a few columns were blank.
  • Resolved a null pointer exception in the Aggregate Snap. The resolution included the addition of a new field, Sorted stream, where you designate whether or not the incoming date is sorted, as presorted data will allow the Snap to run more efficiently. The default value is Ascending for newly placed Aggregate Snaps; existing Aggregate Snaps will default to Unsorted for compatibility with previous functionality.
  • NEW! Transcoder Snap. Resolves an issue where preview of Snaps was not able to handle special characters.
  • Resolved an issue with XML Formatter including "Metadata" in the output.

June 27, 2015 (2015.22)

  • Sort Snap: performance improvements for sorting large amounts of records.
  • XML Formatter:
    • resolved an error where documents could not be converted to XML since the last Snap update.
    • resolved an exception found within this Snap.
  • JSON Splitter: resolved an issue with the Snap not honoring the Null-safe access option
  • Excel Parser: Headers were not displaying properly if a few columns are blank.

June 6, 2015 (2015.20)

  • CSV Parser: You can now select the character set in which your incoming CSV data is encoded. 
  • CSV Formatter: You can now select the character set in which encode your CSV data. You can also select to writhe the BOM (ByteOrderMark) for the character set selected.
  • NEW!: Avro Parser and Formatter
  • Excel Parser Snap: resolved failure due to file size
  • XML Formatter:
    • resolved "Cannot read attribute: element has children or text" error
  • Additional property, Strict XSD Output was added to extract the root element name and the wrapper name from the XSD file.

May 2, 2015

  • Excel Parser: exception resolved
  • Join: bug fixes for certain datasets in excess of 1million rows
  • JSON Generator: enhanced error handling
  • Mapper (Data): bug fixes
  • Sequence Snap: enhanced error handling
  • Sort:bug fixes for certain datasets in excess of 1m rows
  • XML Parser: enhancements supporting empty documents

March 2015

  • CSV Formatter: Exception resolved when the quote character and delimiter were the same.
  • XML Formatter: The datetime output now outputs as UTC date/time
  • XML Parser: Examples added to the documentation.

January 2015

  • Binary to Document Snap: The optional property Ignore empty stream was added.
  • CSV Formatter: Performance enhancements
  • CSV Parser:
    • Quote character is no longer a required field.
    • Optional Header size error policy field added. This setting lets you decide how to handle the error. In the newly provided csv, the last record is too big. Existing pipelines with this Snap will default to Both as this was the previous behavior.
  • Excel Parser: Now writes bad records to the document error view if configured.
  • XML Parser
    • The splitting of an XML document functionality has been improved. You can provide the splitter expression (a path to the element you want to split an XML on) in the XML Parser Snap and it will split the document (regardless of the size of the original XML).
    • Performance improvements.

December 20, 2014



  • Join: a new version of the Join Snap has been created. The existing version will continue to work, but will be marked as Deprecated. Any future enhancements will be in the newer Join. The new Join will prefix top level attributes from the right with right_ and top level attributes from the left with left_.
  • CSV Parser & Formatter have been enhanced to utilize Unicode for delimiters.
  • Fixed Width Formatter: Now supports Null-safe access
  • Updates to XML Parser and XML Formatter

November 2014

Aggregate now provides 2 new functions: concat and unique_concat


October 18, 2014

  • XML Generator
    • XSD support added
    • Pass-through support added by default. The Snap will pass-through the input data if an input view is provided. This is not configurable.
  • Optional Ignore empty stream setting added to XML Formatter and Excel Formatter
  • Addressed an issue where Conditional Snap was unable to process null Return Value 

Fall 2014

  • Mapper Snap
    • The Data Snap has been replaced by the Mapper Snap. 
    • The functionality of the Mapper table was enhanced with the following:
      • Mapper enhanced to support Structure-mapping.
      • Performance enhancements now load the Mapper table sooner.
      • You can now map items by dragging an item from one schema to the other.
      • The Mapping root option now lets you process an array easier by setting this option to the top node of that array.
      • Mapper field highlight visibly indicates the mapping between input and output schemas.
    • Data preview of input and output data.
  • Moved XML & FixedWidth Snaps to Transform Snap Pack

August 2014

  • Fixed Width Parser enhanced to be able to skip any row based on a pattern.
  • CSV Parser now validates that the header field matches the declaration if Contains header is selected.

July/Summer 2014 

  • Binary to Document (Beta), Document to Binary (Beta)

June 30, 2014

  • Addressed the following issues:
    • JSON Generator not streaming.

    • CSV Parser with empty skip lines field leads to null pointer exception during validation

    • CSV Formatter does not parse headers with space

    • XML Formatter: Snap fails converting document into XML


May 2014

  • NEW! CSV Generator Snap
  • NEW! Sequence Snap
  • NEW! Constant Snap
  • Conditional Snap updated with Null-safe access.
  • The Data Snap no longer needs an input. With no input view specified, it generates a downstream flow of one row.

April 2014

  • Aggregate Snap updated to handle aggregating Strings, Date, Time, and DateTime.
  • Excel Parser Snap enhanced to determine column names in a spreadsheet.

March 2014

  • NEW! Unique
  • JSON Splitter Snap was enhanced with an Include parent option, which includes the hierarchy of the list specified by the JSON path by adding it to each document.
  • Snaps like JSON Parser that have a JSON path expression now support pipeline parameter substitution in that expression.
  • Excel Parser Snap property labels updated for clarity. "Skip Lines" labels are replaced with Start Row and End Row.

January 2014

  • NEW! Microsoft Excel Formatter & Parser
  • UTF-16LE & UTF-16BE unicode support was added to the JSON Formatter & Parser and the CSV Formatter & Parser Snaps

December 2013

  • NEW! Fixed Width Formatter and Parser
  • CSV Parser now adds "field00x" to column names for tables with empty column names when Contains headers are false.

November 2013

  • NEW! Conditional
  • NEW! Diff

August 2013

  • NEW! Aggregate: The Aggregate Snap applies aggregate functions on input data with Group By support.
  • NEW! JSON Generator: Generates JSON as a document for the next Snap in the pipeline.
  • Join: The Join Snap was enhanced to support Outer joins.

July 2013

JSON Splitter: The JSON Splitter Snap splits a list of values into separate documents. 


Initial release

  • Transform structure of an input schema
    • Source schema introspection (Suggest)
    • Target schema introspection
  • Join Snap for merging 2 data streams
  • XSLT Snap

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