Change: ‘markUnused’
Marks Column Unused
Available Attributes
| Name | Description |
|---|---|
| catalogName | Name of the catalogE.g. 'cat' |
| columnName | Name of the columnE.g. 'id' |
| schemaName | Name of the schemaE.g. 'public' |
| tableName | Name of the tableE.g. 'person' |
<changeSet author="liquibase-docs" id="markUnused-example">
<pro:markUnused catalogName="cat"
columnName="id"
schemaName="public"
tableName="person"/>
</changeSet>changeSet:
id: markUnused-example
author: liquibase-docs
changes:
- markUnused:
catalogName: cat
columnName: id
schemaName: public
tableName: person{
"changeSet": {
"id": "markUnused-example",
"author": "liquibase-docs",
"changes": [
{
"markUnused": {
"catalogName": "cat",
"columnName": "id",
"schemaName": "public",
"tableName": "person"
}
}]
}
}SQL Generated From Above Sample (Oracle)
ALTER TABLE cat.person SET UNUSED COLUMN id;Database Support
| Database | Notes | Auto Rollback |
|---|---|---|
| DB2/LUW | Not Supported | No |
| DB2/z | Not Supported | No |
| Derby | Not Supported | No |
| Firebird | Not Supported | No |
| H2 | Not Supported | No |
| HyperSQL | Not Supported | No |
| INGRES | Not Supported | No |
| Informix | Not Supported | No |
| MariaDB | Not Supported | No |
| MySQL | Not Supported | No |
| Oracle | Supported | No |
| PostgreSQL | Not Supported | No |
| SQL Server | Not Supported | No |
| SQLite | Not Supported | No |
| Sybase | Not Supported | No |
| Sybase Anywhere | Not Supported | No |