Recent Release Notes

Release notes for SnowConvert

Version 1.11.1 (July 2, 2025)

New Features 🚀

Fixes 🛠️

  • Enhanced Teradata Data Type Handling: JSON to VARIANT migration.

  • Improved recovery on Redshift procedures written with Python.

Version 1.11.0 (July 2, 2025)

New Features 🚀

  • New Data Validation framework integration for SQL Server End-to-End experience: Now, users can validate their data after migrating it. The Data Validation framework offers the following validations:

    • Schema validation: Validate the table structure to attest the correct mappings among datatypes.

    • Metrics validation: Generate metrics of the data stored in a table, ensuring the consistency of your data post-migration.

Validate data option available after data migration
Tables being validated

The framework also generates a new report, clearly indicating whether differences were found or the validation was successful for the table or column where it was applied.

Data Validation results

Version 1.10.0 (June 24, 2025)

New Features 🚀

Hive SQL Support

SnowConvert now supports the conversion of Tables and Views to Snowflake. This feature includes support for the following:

Version 1.9.0 (June 20, 2025)

New Features 🚀

Vertica Support

SnowConvert now supports the conversion of Tables and Views to Snowflake. This feature includes support for the following:

Improvements 📈

Version 1.8.0 (June 6, 2025)

New Features 🚀

Version 1.7.1 (June 2, 2025)

General

  • Improvements to the UI source platform dropdown.

Version 1.7.0 (May 30, 2025)

New Features 🚀

    • Locate the Power BI reports in a folder and apply restrictively the extension of a template .pbit.

    • In the SnowConvert app, add the path of the Power BI projects in the ETL-BI section.

    For more information please visit the documentation page for Power BI Repointing

Version 1.6.1 (May 26, 2025)

Fixed

  • Improved mechanism to rename objects and usages using renaming feature.

Version 1.6.0 (May 19, 2025)

New Features 🚀

General

  • End-to-End Migration Experience for Redshift & SQL Server SnowConvert now offers a fully integrated, end-to-end migration workflow for Amazon Redshift and Microsoft SQL Server users, enabling a seamless transition to Snowflake within a single tool. This new experience encompasses the entire migration lifecycle:

    • Direct Source Connectivity & Object Extraction:

      • New: Enabled direct connections to Redshift and SQL Server databases from within the SnowConvert interface.

      • New: Users can now extract a comprehensive range of database objects (including Tables, Views, Stored Procedures, Functions, etc.) directly within the new unified flow.

    • In-Flow Object Renaming:

      • New: Integrated functionality to rename extracted database objects prior to the conversion phase, providing greater flexibility within the migration pipeline.

    • Deployment:

      • New: Added the capability to deploy the converted Snowflake code directly to the target environment from SnowConvert.

    • Integrated Data Migration:

      • New: Users can now perform data migration from the source Redshift or SQL Server database to Snowflake as the final step of the migration process, all orchestrated within SnowConvert. This completes the full migration journey in a single, cohesive experience.

Netezza Support (Preview)

SnowConvert now supports the conversion of Tables and Views to Snowflake. This feature includes support for the following:

PostgreSQL Support (Preview)

SnowConvert now supports the conversion of Tables and Views to Snowflake. This feature includes support for the following:

Version 1.5.1 (May 13, 2025)

New Features 🚀

General

  • Significantly improved the Object References reports by fixing multiple false-positive scenarios.

BigQuery

  • Improved conversion of anonymous struct definition.

  • New supported Built-in Functions.

Oracle

  • Updated the TO_NUMBER function transformation to support the DEFAULT VALUE ON CONVERSION ERROR option and fix runtime errors when trying to convert an empty string.

  • The LAG function will display an FDM when a default value is provided, cautioning that the function may fail due to data type mismatch between the default and the expression.

Version 1.5.0 (April 24, 2025)

SnowConvert now supports the conversion of Views to Snowflake. This feature includes support for the following:

Greenplum Support (Preview)

SnowConvert now supports the conversion of Tables and Views to Snowflake. This feature includes support for the following:

  • Translation of Regular and Temporary Tables.

  • Translation of Views.

  • Translation of Materialized Views. 

  • Translation of Data Types.

Google BigQuery (Preview)

SnowConvert now supports the conversion of Google BigQuery Views to Snowflake and built-in functions.

Function type
Function Name

Aggregate Functions

ANY_VALUE, AVG, COUNT, COUNTIF, LOGICAL_AND, LOGICAL_OR, MAX, MIN, SUM

Conditional Expressions

COALESCE, IF, IFNULL, NULLIF

Conversion Functions

SAFE_CAST

Date Functions

CURRENT_DATE, FORMAT_DATE

Datetime Functions

CURRENT_DATETIME

Geography Functions

ST_GEOGFROMTEXT, ST_GEOGPOINT

JSON Functions

JSON_VALUE, JSON_EXTRACT_SCALAR

Mathematical Functions

ABS, LEAST, MOD, ROUND

Navigation Functions

FIRST_VALUE, LAG, LEAD, LAST_VALUE

Numbering Functions

RANK, ROW_NUMBER

String Functions

CHARACTER_LENGTH, CHAR_LENGTH, CONCAT, FROM_BASE64, FROM_HEX, LEFT, LENGTH, LOWER, LPAD, LTRIM, STARTS_WITH, REPLACE, RIGHT, RPAD, RTRIM, SPLIT, SUBSTR, SUBSTRING, UPPER

Timestamp Functions

CURRENT_TIMESTAMP

SnowConvert now supports the conversion of user-defined functions to Snowflake.

New Features 🚀

General

Version 1.4.1 (April 10, 2025)

SnowConvert now supports the conversion of Google BigQuery Tables to Snowflake. This feature includes support for the following:

  • Translation of Regular and Temporary Tables

  • Translation of External Tables

  • Translation of Snapshot tables.

  • Translation of Table CLONE, LIKE, and COPY.

  • Translation of Data Types.

New Features 🚀

General

New supported System Default (Preview) encoding value.

  • Support of System Default (Preview) encoding. It attempts to automatically detect the file encoding or to use the default system encoding (more details here).

We've added a wide range of translation support for Amazon Redshift's built-in functions.

Function type
Function Name

Aggregate Functions

ANY_VALUE, LISTAGG, MEDIAN, PERCENTILE_CONT, STDDEV, STDDEV_POP, STDDEV_SAMP, VAR_POP, VAR_SAMP, VARIANCE

Array Functions

ARRAY, ARRAY_CONCAT, ARRAY_FLATTEN, GET_ARRAY_LENGTH, SPLIT_TO_ARRAY, SUBARRAY

Conditional Expressions

DECODE, NVL2

Date and Time Functions

ADD_MONTHS, TIMESTAMP (AT TIME ZONE), CURRENT_DATE, DATE_PART_YEAR, LAST_DAY, NEXT_DAY, SYSDATE

Math Functions

ACOS, ASIN, ATAN, ATAN2, CBRT, CEIL, CEILING, COS, COT, DEGREES, DEXP, DLOG1, DLOG10, EXP, FLOOR, LN, LOG, MOD, PI, POWER, POW, RADIANS, RANDOM, SIN, SIGN, SQRT, TAN

String Functions

ASCII, CHARACTER_LENGTH, CHARINDEX, CHR, INITCAP, LEN, OCTET_LENGTH, REPEAT, REPLICATE, REVERSE, SOUNDEX, STRPOS, TEXTLEN, TRANSLATE

SUPER Type Information Functions

IS_ARRAY, IS_BOOLEAN

Window Functions

FIRST_VALUE, LAG, LAST_VALUE, LISTAGG, MEDIAN, NTH_VALUE, NTILE, PERCENT_RANK, PERCENTILE_CONT, PERCENTILE_DISC, RATIO_TO_REPORT, STDDEV_SAMP, STDDEV_POP, STDDEV, VAR_SAMP, VAR_POP

Version 1.3.0 (Mar 25, 2025)

SnowConvert now supports the conversion of Sybase IQ Create Table to Snowflake. This feature includes support for the following:

New Features 🚀

  • Sybase:

    • Translation of Regular and Temporary Tables

    • Translation of Constraints

    • Translation of Data Types

Azure Synapse

  • Fix Object References not shown in Object References and Missing Object References reports.

  • Added parsing support for Materialized Views with distribution clause

Version 1.2.17 (Mar 18, 2025)

SnowConvert is adding support for Azure Synapse to Snowflake, now enabling direct translation for Azure Synapse SQL scripts and stored procedures to Snowflake's SQL dialect. This complements our existing support for Transact-SQL (T-SQL) and provides a more comprehensive solution for users migrating from Microsoft's data warehousing ecosystem.

New Features 🚀

Version 1.2.16 (Mar 10, 2025)

SnowConvert now supports the conversion of Redshift stored procedures to Snowflake, enabling seamless migration of procedural code. This feature includes support for variable operations, control flow statements, cursor handling, and transaction management capabilities.

New Features 🚀

Stored procedures new supported functionality.

  • General support:

    • Transformation for SELECT INTO variables inside stored procedures.

    • Transformation for CASE statements without ELSE clauses.

    • Transformation of RETURN statement in Redshift.

    • Support of RAISE for logging, warnings, and exceptions.

  • Variable Binding:

    • Support for binding variables in stored procedures.

    • Handling positional arguments for binding variables.

    • Variable bindings in the OPEN cursor statement.

  • Transaction Support:

  • Cursor Operations:

  • DML Operations:

  • Control Flow Statements:

    • Support for basic control flows statements.

    • Transformations of Labels Stats against loops.

  • DDL Operations:

Breaking Changes ⛓️‍💥

Version 1.2.6 (Feb 26, 2025)

Oracle

  • Fixed CONSTRAINT clauses incorrectly reported as parsing errors.

Redshift

Added

  • Support for Declare statement.

  • Support for Merge statement.

  • Support for Update statement.

  • Support for variable declaration with Refcursor type.

  • Support for Declare, Open and Close Cursor.

Teradata

  • Fixed ‘chars’, and ‘characters’ built-in functions being reported as missing references.

Version 1.2.5 (Feb 7, 2025)

Common

  • Improved SnowConvert CLI help messages.

Teradata

  • Improved EWI consistency on DATE casting.

Version 1.2.1 (Jan 31, 2025)

Common

Fixed

  • Improved mechanism to validate the Snowconvert license by preventing the use of the powershell current user profile settings, ensuring a smoother execution.

Version 1.2.0 (Jan 28, 2025)

  • Free access for anyone with a corporate email.

  • Redshift conversion is now supported under preview.

  • Remove assessment step. Assessment and conversion are now completed in only one step.

  • Introduction of the new Code Completeness Score and Code Unit Methodology.

  • Improved messages like Functional Difference Messages (FDMs), Performance Reviews (PRFs) and EWIs (error, warnings, and issues).

Common

Fixed

  • Usage of correlated scalar subqueries erroneously causing SSC-EWI-0108 under certain scenarios.

Teradata

Fixed

  • Set Character Set as optional in description of columns in derived tables.

Version 1.1.91 (Dec 19, 2024)

Common

Fixed

  • Correlated scalar subqueries missing an aggregate function.

  • Uncorrelated scalar subqueries are being marked as unsupported.

Teradata

Added

  • Added "ANSI/TERA Session Mode" and "Use COLLATE for Case Specification" settings:

    • ANSI mode with COLLATE.

    • ANSI mode without COLLATE.

    • TERA mode with COLLATE.

    • TERA mode without COLLATE.

  • Support parsing of GENERATED TIMECOLUMN column option.

  • Support parsing of TD_NORMALIZE_MEET function.

Fixed

  • Fixed inconsistencies in column names when it comes to Snowflake reserved keywords.

  • Parsing errors in PARTITION BY RANGE_N clause.

  • Improved support for COALESCE expression.

SQL Server

Fixed

  • Some functions were incorrectly marked as a pending functional.

Version 1.1.80 (Dec 5, 2024)

Common

Fixed

  • SnowConvert was incorrectly marking scalar subqueries as invalid when some function aliases were used.

  • Crash when SnowConvert didn't have read/write permissions to configuration folder.

Teradata

Fixed

  • Renaming feature now contemplates function with parameters.

  • The UPDATE statement with ELSE INSERT syntax was not converted correctly.

SQL Server

Fixed

  • SnowConvert now successfully converts @@ROWCOUNT using the global variable SQLROWCOUNT.

  • View and column names from sys objects are now be paired with INFORMATION_SCHEMA.

Version 1.1.69 (Nov 14, 2024)

SQL Server

Fixed

  • BIT Datatype with DEFAULT value is not converted to true or false but 1 or 0.

Oracle

Fixed

  • Code missing when converting a function with CONNECT BY.

Version 1.1.67 (Oct 30, 2024)

Teradata

Fixed

  • Flag TeraModeForStirngComparison is set to true as default.

SQL Server

Fixed

  • Columns with default value are now converted correctly with their respective data type casting.

Oracle

Fixed

  • Code missing when converting a function with CONNECT BY.

Version 1.1.63 (Oct 24, 2024)

Common

  • Recovery codes removed from the parsing error messages.

  • Windows close button now works as intended.

  • Added a new field domain to the comment clause for each DDL SnowConvert generates.

Teradata

Added

  • Support for UNION ALL clause with different data types and column sizes.

  • Support for sp_executeql.

Fixed

  • Inconsistencies in string comparison in Tera mode and ANSI mode.

  • Complex column alias with syntax ''n is not being recognized by SnowConvert.

SQL Server

Added

  • FDM in every corelated subquery.

Fixed

  • Issue with WITH DISTRIBUTION and CLUSTERED in table creation.

Oracle

Fixed

  • Issue that caused SP conversion to fail when using .rownum within a FOR statement.

Version 1.1.61 (Oct 18, 2024)

Teradata

Fixed

  • Conversion of stored procedures inside macros is now supported.

  • StringSimilarity Teradata Function is now converted successfully

Oracle

Fixed

  • DATEDIFF_UDF now returns date difference with timestamp as parameter with decimals (time part difference).

1.1.56 (Oct 9, 2024)

Teradata

Fixed

  • Create a Stored Procedure to compliance the same flow as in Teradata (StoredProcedure inside a Macro)

  • Use a UDF Helper to emulate the functionality given for a VALIDTIME column in Teradata

Oracle

Fixed

  • Empty Create Statement

  • Return date difference with timestamp as parameter with decimals (time part difference).

Version 1.1.54 (Oct 3, 2024)

Common

  • Improved the auto-update mechanism.

Teradata

Fixed

  • UDF called “PERIOD_TO_TIME_UDF" is now included as part of the code output if it is used in the converted code.

  • UDF called “DATE_TO_PERIOD_UDF" is now included as part of the code output if it is used in the converted code.

SQL Server

Fixed

  • The CLUSTERED clause is no longer in the output code.

Oracle

Fixed

  • PARTITION clause in queries is now identified as an EWI instead of FDM.

Version 1.1.52 (Sep 24, 2024)

Common

  • Adding an informative message when there is no communication to the licensing API and a link with more information of what is happening.

  • A new column named "Lines of Code" was added on the report, specifically the “2.1 Conversion Rates Summary" table

Teradata

Fixed

  • Cast to CHAR/CHARACTER causing parsing error

SQL Server

Fixed

  • Empty STAT EWI when there is an extra ';'.

  • Continue statement is not marked as an EWI any more.

Oracle

Fixed

  • DATE_TO_RR_FORMAT_UDF is now included on the output if there is a reference to it on the input source code.

Version 1.1.45 (Sep 12, 2024)

Common

Fix Encoding issue SSC-EWI-0041

Teradata

Added

  • New conversion setting for TERA MODE strings comparison transformation

Fixed

  • Anonymous block of code converted to a stored procedure.

  • PRIMARY TIME INDEX not being parsed.

SQL Server

Fixed

  • Empty stat should not be classified as pending functional

  • SQL report has a text referring to Teradata

Oracle

Added

  • Oracle function conversion to Functions (single statement)

Fixed

  • DATE_TO_RR_FORMAT_UDF is added in the view conversion but is not part of the SC output

Version 1.1.38 (Aug 29, 2024)

Common

  • Improved the performance for running SnowConvert.

Teradata

  • Added translation for EXTRACT function.

  • Fix translation in procedure when there is a presence of IMMUTABLE/VOLATILE.

  • Improved translation of EXTRACT_TIMESTAMP_DIFFERENCE_UDF to support timestamp as parameter.

SQL Server

  • Improved error handling when translating long-named columns.

Oracle

  • Added translation for STANDARD_HASH function.

  • Improved the parser to be able to read DBMS_DATAPUMP.detach.

Version 1.1.33 (Aug 9, 2024)

Common

  • Fixed numerous SSC-EWI-0013 occurrences.

  • Improved UI experience when user does not have read/write permissions on a particular local directory.

Teradata

  • Added translation for PREPARE STATEMENT, ACTIVITY_COUNT, DAY_OF_MONTH, DAY_OF_WEEK, WEEK_OF_CALENDAR, MONTH_OF_CALENDAR.

  • Added translation for CREATE SCHEMA.

  • Fixed INTERVAL literal not converted in minus operations.

  • Improved parser capability to read LATEST as a column name.

Oracle

  • Improved translation on PL/SQL parameter data types: VARCHAR and INTEGER.

  • Fixed duplicated comments in PL/SQL procedure declarations.

Version 1.1.26 (July 28, 2024)

Oracle

  • Add parsing of ACCESS PARAMETERS table options.

  • Add parsing of XMLType table.

  • Added translation for FUNCTION definition within anonymous blocks.

  • Fixed duplicated code SSC-FDM-OR0045.

  • Improve parsing of XMLSchema specification.

SQLServer

  • Fixed EXECUTE AS statement wrongly transformed to EXECUTE IMMEDIATE.

  • Fixed temporary table generated erroneously.

  • Improve parsing of WITH xmlnamespaces statement.

Version 1.1.16 (June 26, 2024)

Teradata

  • Fixed translation of LIKE NOT CASESPECIFIC.

  • Improved translation of variable declarations inside BEGIN…END.

  • Improved parsing of AS OF clause and WITH TIES option from CREATE VIEW.

Oracle

  • Fixed translation for columns with whitespaces in CREATE VIEW.

  • Improved description of SSC-EWI-OR0042.

  • Improved parsing of ACCESSIBLE BY clause and SQL_MACRO option from CREATE FUNCTION.

  • Improved parsing of the DECLARE statement.

SQLServer

  • Fixed translation of BEGIN…END showing pending functional equivalence.

  • Added translation for FOR XML PATH clause.

Version 1.1.9 (June 12, 2024)

Common

  • Added more info in the COMMENT clause of each object.

Teradata

  • Added an EWI 0073 to PREPARE statement.

  • Added OR REPLACE to CREATE TABLE

Oracle

  • Added translation for Materialized View's REFRESH_MODE property.

  • Improved parsing capability to read MODEL clause and to read CREATE VIEW alternate routes.

Version 1.1.8 (May 31, 2024)

Common

  • Added translation of Materialized View to Dynamic Tables.

  • Improved CodeUnit Report to show more code units.

SQLServer

  • Added translation of SET ANSI_NULLS.

  • Added translation of INSERT that contains a FROM Subquery + MERGE INTO pattern.

Version 1.1.6 (May 21, 2024)

Teradata

  • Fixed translation for Cast('POINT(x t)' As ST_GEOMETRY

  • Fixed translation of casting from one format to another.

  • Fixed translation related to DATEADD_UDF and TO_INTERVAL_UDF

Oracle

  • Improved parsing capability to read JSON_OBJECT and JSON_ARRAYAGG built-in functions.

SQLServer

  • Improved Missing Object References report's content.

  • Improved robustness during the semantic analysis phase and translation phase.

Version 1.1.5 (May 10, 2024)

Common

  • Provide more information and details for SSC-EWI-0001

  • Improved robustness of assessment mode when providing free tables.

Teradata

  • Improved translation related to date handling.

  • Improved parsing capability to read code that contains block comments.

  • Improved parsing capability to read NOT NULL column option before the data type declaration in a table.

  • Improved the functionality of TIMESTAMP_DIFFERENCE_UDF and EXTRACT_TIMESTAMP_DIFFERENCE_UDF.

SQL Server

  • Improved translation for ALTER TABLE CHECK constraint.

Version 1.1.4 (May 2, 2024)

Common

  • Added new breaking change at the UI. Now, the user will have to inquire about an access code for doing their assessment. For more details, please check here.

  • Added a new assessment report EmbeddedCodeUnitReport, for more information, please visit here.

  • Improved the TopLevelCodeUnitReport. Added four more columns: FDM Count, PRF Count, FDM and PRF. For more information, please visit here.

  • Fixed an unexpected error in creating an assessment report.

Teradata

  • Added translation for CONTINUE HANDLER.

  • Added new parsing capability for BYTE data type.

  • Improved binding variable translations.

Oracle

  • Added and improved parsing capability to read EXPLAIN PLAN statement, U-Literals and CTAS.

  • Improve CURSOR translation when it has to define a cursor with object_construct.

  • Improved translation of procedure parameters avoiding deployment errors.

SQLServer

  • Added translation for DB_ID function.

  • Added basic translation for CREATE SCHEMA.

  • Added an FDM for CREATE INDEX.

  • Improved ALTER TABLE translation.

Version 1.1.2 (April 24, 2024)

Included SnowConvert Core Version 28.1.113

Version 1.1.1 (April 19, 2024)

Included SnowConvert Core Version 28.1.100

Version 1.1.0 (Mar 26, 2024)

Included SnowConvert Core Versions

Version 1.0.3 (Mar 19, 2024)

Included SnowConvert Core Versions

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