Change: ‘dropForeignKeyConstraint’
Drops an existing foreign key
Available Attributes
| Name | Description |
|---|---|
| baseTableCatalogName | @ v3.0E.g. 'cat' |
| baseTableName | Name of the table containing the column constrained by the foreign keyE.g. 'person' |
| baseTableSchemaName | E.g. 'public' |
| constraintName | Name of the foreign key constraint to dropE.g. 'fk_address_person' |
<changeSet author="liquibase-docs" id="dropForeignKeyConstraint-example">
<dropForeignKeyConstraint baseTableCatalogName="cat"
baseTableName="person"
baseTableSchemaName="public"
constraintName="fk_address_person"/>
</changeSet>changeSet:
id: dropForeignKeyConstraint-example
author: liquibase-docs
changes:
- dropForeignKeyConstraint:
baseTableCatalogName: cat
baseTableName: person
baseTableSchemaName: public
constraintName: fk_address_person{
"changeSet": {
"id": "dropForeignKeyConstraint-example",
"author": "liquibase-docs",
"changes": [
{
"dropForeignKeyConstraint": {
"baseTableCatalogName": "cat",
"baseTableName": "person",
"baseTableSchemaName": "public",
"constraintName": "fk_address_person"
}
}]
}
}SQL Generated From Above Sample (MySQL)
ALTER TABLE cat.person DROP FOREIGN KEY fk_address_person;Database Support
| Database | Notes | Auto Rollback |
|---|---|---|
| DB2/LUW | Supported | No |
| DB2/z | Supported | No |
| Derby | Supported | No |
| Firebird | Supported | No |
| H2 | Supported | No |
| HyperSQL | Supported | No |
| INGRES | Supported | No |
| Informix | Supported | No |
| MariaDB | Supported | No |
| MySQL | Supported | No |
| Oracle | Supported | No |
| PostgreSQL | Supported | No |
| SQL Server | Supported | No |
| SQLite | Not Supported | No |
| Sybase | Supported | No |
| Sybase Anywhere | Supported | No |