RE: Migrating PostgreSQL Stored Procedures to MSSQL 2019 for example
Hi,
When we did our migration from SQL Server to PostgreSQL, we mainly used two tools:
sqlserver2pgsql for most of our schema-related changes. You can find that here: https://github.com/dalibo/sqlserver2pgsql.
AWS Schema Conversion Tool (SCT) for migrating views and stored functions/procedures. The AWS SCT also can do schema conversions. You can find that here: https://aws.amazon.com/dms/schema-conversion-tool/
For the AWS SCT tool, you don’t really need to use AWS schemas. You can install PostgreSQL locally, and save the SQL files it generates and then apply them yourself. Not sure if that’s a violation of their license terms though (our company does use AWS).
Keep in mind that these conversion tools do the majority of the work, but the output they generate needs to be reviewed. For example, columns with an isjson() constraint need to be converted to json or jsonb columns. Stored procedures/functions sometimes don’t convert at all.
The following sites also provide the ability to conversion SQL statements using SQL Server-specific syntax to PostgreSQL.
https://www.jooq.org/translate/
https://www.sqlines.com/online
https://wiki.postgresql.org/wiki/Converting_from_other_Databases_to_PostgreSQL
Hope this helps,
Joel
From: Scott Simpson <Scott.Simpson@zellis.com>
Sent: Friday, August 12, 2022 6:17 AM
To: pgsql-general@lists.postgresql.org
Subject: Migrating PostgreSQL Stored Procedures to MSSQL 2019 for example
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Hi,
I need to migrate many PostgreSQL Stored Procedures and functions to MSSQL.
I can find anything online that seems to handle this task.
Are there any tools that you have that can do this job?
Kind Regards
Zellis | Scott Simpson | Senior Engineer
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United Kingdom
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