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Change a SQL function name

org.openrewrite.sql.ChangeFunctionName

When migrating between dialects, often one name can be substituted for another. For example, Oracle's NVL function can be replaced with Postgres COALESCE.

Recipe source

This recipe is only available to users of Moderne.

Options

TypeNameDescriptionExample
StringoldFunctionNameThe name of the function to find, case insensitive.NVL
StringnewFunctionNameThe new name to use. This will match the casing of the original method when a replacement is made.COALESCE

License

This recipe is available under the Moderne Proprietary License.

Usage

This recipe has required configuration parameters and can only be run by users of Moderne. To run this recipe, you will need to provide the Moderne CLI run command with the required options. Or, if you'd like to create a declarative recipe, please see the below example of a rewrite.yml file:

rewrite.yml
---
type: specs.openrewrite.org/v1beta/recipe
name: com.yourorg.ChangeFunctionNameExample
displayName: Change a SQL function name example
recipeList:
- org.openrewrite.sql.ChangeFunctionName:
oldFunctionName: NVL
newFunctionName: COALESCE

You will need to have configured the Moderne CLI on your machine before you can run the following command.

shell
mod run . --recipe ChangeFunctionName --recipe-option "oldFunctionName=NVL" --recipe-option "newFunctionName=COALESCE"

If the recipe is not available locally, then you can install it using:

mod config recipes jar install org.openrewrite.recipe:rewrite-sql:1.13.0

See how this recipe works across multiple open-source repositories

Run this recipe on OSS repos at scale with the Moderne SaaS.

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Please contact Moderne for more information about safely running the recipes on your own codebase in a private SaaS.

Data Tables

SQL queries

org.openrewrite.sql.table.DatabaseQueries

Shows matching SQL queries.

Column NameDescription
Source pathThe path to the source file.
QueryThe text of the query.

SQL functions in use

org.openrewrite.sql.table.DatabaseFunctions

Shows matching SQL functions and the queries that contain them.

Column NameDescription
Source pathThe path to the source file.
QueryThe text of the query.
FunctionFunction name.

Source files that had results

org.openrewrite.table.SourcesFileResults

Source files that were modified by the recipe run.

Column NameDescription
Source path before the runThe source path of the file before the run. null when a source file was created during the run.
Source path after the runA recipe may modify the source path. This is the path after the run. null when a source file was deleted during the run.
Parent of the recipe that made changesIn a hierarchical recipe, the parent of the recipe that made a change. Empty if this is the root of a hierarchy or if the recipe is not hierarchical at all.
Recipe that made changesThe specific recipe that made a change.
Estimated time savingAn estimated effort that a developer to fix manually instead of using this recipe, in unit of seconds.
CycleThe recipe cycle in which the change was made.

Source files that errored on a recipe

org.openrewrite.table.SourcesFileErrors

The details of all errors produced by a recipe run.

Column NameDescription
Source pathThe file that failed to parse.
Recipe that made changesThe specific recipe that made a change.
Stack traceThe stack trace of the failure.

Recipe performance

org.openrewrite.table.RecipeRunStats

Statistics used in analyzing the performance of recipes.

Column NameDescription
The recipeThe recipe whose stats are being measured both individually and cumulatively.
Source file countThe number of source files the recipe ran over.
Source file changed countThe number of source files which were changed in the recipe run. Includes files created, deleted, and edited.
Cumulative scanning timeThe total time spent across the scanning phase of this recipe.
99th percentile scanning time99 out of 100 scans completed in this amount of time.
Max scanning timeThe max time scanning any one source file.
Cumulative edit timeThe total time spent across the editing phase of this recipe.
99th percentile edit time99 out of 100 edits completed in this amount of time.
Max edit timeThe max time editing any one source file.

Contributors

Jonathan Schneider, Tim te Beek