dropCheckConstraint

Note: This is a Liquibase Pro Change Type, so you need a Liquibase Pro License Key to use it.

Drops an existing check constraint.

Run dropCheckConstraint

To run this Change Type, follow these steps:

  1. Add the Change Type to your changeset, as shown in the examples on this page.
  2. Specify any required attributes. Use the table on this page to see which ones your database requires.
  3. Deploy your changeset by running the update command:
    4. liquibase update

Available attributes

Name Description Required for Supports Since
catalogName

Name of the catalog

 all 3.0
constraintName

Name of the constraint

 all all
schemaName

Name of the schema

 all
tableName Name of the table to drop the check constraint from all all

Examples

--liquibase formatted sql

--changeset liquibase-docs:dropCheckConstraint-example
ALTER  TABLE  cat.[public].person  DROP  CONSTRAINT  const_name;
databaseChangeLog:
-  changeSet:
    id:  dropCheckConstraint-example
    author:  liquibase-docs
    changes:
    -  dropCheckConstraint:
        catalogName:  cat
        constraintName:  const_name
        schemaName:  public
        tableName:  person
{
    "databaseChangeLog": [
        {
            "changeSet": {
                "id": "dropCheckConstraint-example",
                "author": "liquibase-docs",
                "changes": [
                    {
                        "dropCheckConstraint": {
                            "catalogName": "cat",
                            "constraintName": "const_name",
                            "schemaName": "public",
                            "tableName": "person"
                        }
                    }
                ]
            }
        }
    ]
}
<databaseChangeLog
    xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
    xmlns:pro="http://www.liquibase.org/xml/ns/pro"
    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
        http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-latest.xsd
        http://www.liquibase.org/xml/ns/dbchangelog-ext
        http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd
        http://www.liquibase.org/xml/ns/pro
        http://www.liquibase.org/xml/ns/pro/liquibase-pro-latest.xsd">

    <changeSet  author="liquibase-docs"  id="dropCheckConstraint-example">
        <pro:dropCheckConstraint  catalogName="cat"
            constraintName="const_name"
            schemaName="public"
            tableName="person"/>
    </changeSet>

</databaseChangeLog>

Database support

Database Notes Auto Rollback
DB2/LUW Supported No
DB2/z Supported No
Derby Not Supported No
Firebird Not Supported No
Google BigQuery Supported No
H2 Not Supported No
HyperSQL Not Supported No
INGRES Not Supported No
Informix Not Supported No
MariaDB Not Supported No
MySQL 5.7 Not Supported No
MySQL 8.0 Supported No
Oracle Supported No
PostgreSQL Supported No
Snowflake Not Supported No
SQL Server Supported No
SQLite Not Supported No
Sybase Not Supported No
Sybase Anywhere Not Supported No