Change: ‘dropPrimaryKey’
Drops an existing primary key
Available Attributes
| Name | Description |
|---|---|
| catalogName | Name of the catalogE.g. 'cat' |
| constraintName | Name of the primary keyE.g. 'const_name'Required for: firebird, informix, sybase |
| dropIndex | boolean |
| schemaName | Name of the schemaE.g. 'public' |
| tableName | Name of the table to drop the primary key ofE.g. 'person' |
<changeSet author="liquibase-docs" id="dropPrimaryKey-example">
<dropPrimaryKey catalogName="cat"
constraintName="const_name"
dropIndex="true"
schemaName="public"
tableName="person"/>
</changeSet>changeSet:
id: dropPrimaryKey-example
author: liquibase-docs
changes:
- dropPrimaryKey:
catalogName: cat
constraintName: const_name
dropIndex: true
schemaName: public
tableName: person{
"changeSet": {
"id": "dropPrimaryKey-example",
"author": "liquibase-docs",
"changes": [
{
"dropPrimaryKey": {
"catalogName": "cat",
"constraintName": "const_name",
"dropIndex": true,
"schemaName": "public",
"tableName": "person"
}
}]
}
}SQL Generated From Above Sample (MySQL)
ALTER TABLE cat.person DROP PRIMARY KEY;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 | Supported | No |
| Sybase | Supported | No |
| Sybase Anywhere | Supported | No |