addCheckConstraint

Adds a check constraint to an existing column or set of columns.

Available attributes

Name	Description	Required for	Supports	Since
Name	Description	Required for	Supports	Since
catalogName	Name of the catalog		all	3.0
constraintBody		all	all
constraintName	Name of the check constraint	all	all
disabled			all
schemaName	Name of the schema		all
tableName	Name of the table to create the check constraint on	all	all
validate	This is true if the check constraint has 'ENABLE VALIDATE' set, or false if the check constraint has 'ENABLE NOVALIDATE' set.		all

XML example

<changeSet  author="liquibase-docs"  id="addCheckConstraint-example">  
    <pro:addCheckConstraint  catalogName="cat"  
            constraintName="const_name"  
            disabled="true"  
            schemaName="public"  
            tableName="person"  
            validate="true">A String</pro:addCheckConstraint>  
</changeSet>

YAML example

changeSet:  
  id:  addCheckConstraint-example  
  author:  liquibase-docs  
  changes:  
  -  addCheckConstraint:  
      catalogName:  cat  
      constraintBody:  A String  
      constraintName:  const_name  
      disabled:  true  
      schemaName:  public  
      tableName:  person  
      validate:  true

JSON example

{  "changeSet":  {  "id":  "addCheckConstraint-example",  "author":  "liquibase-docs",  "changes":  [  {  "addCheckConstraint":  {  "catalogName":  "cat",  "constraintBody":  "A String",  "constraintName":  "const_name",  "disabled":  true,  "schemaName":  "public",  "tableName":  "person",  "validate":  true  }  }]  }  }

SQL example

ALTER  TABLE  cat.[public].person  ADD  CONSTRAINT  const_name  CHECK  (A  String);  

ALTER  TABLE  cat.[public].person  NOCHECK  CONSTRAINT  const_name;

Database support

Database	Notes	Auto rollback
DB2/LUW	Supported	Yes
DB2/z	Supported	Yes
Derby	Not Supported	Yes
Firebird	Not Supported	Yes
H2	Not Supported	Yes
HyperSQL	Not Supported	Yes
INGRES	Not Supported	Yes
Informix	Not Supported	Yes
MariaDB	Not Supported	Yes
MySQL	Not Supported	Yes
Oracle	Supported	Yes
PostgreSQL	Supported	Yes
SQL Server	Supported	Yes
SQLite	Not Supported	Yes
Sybase	Not Supported	Yes
Sybase Anywhere	Not Supported	Yes