ModifyDataTypeWarn

Last updated: January 22, 2026

Flags any changes that modify the data type of an existing column, helping avoid data truncation or loss when converting between incompatible types, such as changing from a larger to smaller size or from text to numeric formats.

Uses

Property

Value

Liquibase version required

4.5.0+

Scope (--checks-scope)

changelog

Default status

enabled

Default severity (exit code)

0 ("INFO")

Customizable settings

No (static)

Before you begin

  1. Ensure that you have correctly specified your Liquibase Secure license key.

  2. Ensure that the --checks-scope parameter includes the scope of this check.

Changelog checks prerequisites

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Procedure

1

Enable

This check is enabled by default. To verify that it is currently enabled, run the checks show command:

liquibase checks show --check-name=<string>

2

To run the check, use the checks run command.

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Note: For flow files you'll need to run liquibase flow to apply your changes.