Change: ‘modifyDataType’
Modify data type
Available Attributes
| Name | Description |
|---|---|
| catalogName | Name of the catalog@ v3.0E.g. 'cat' |
| columnName | Name of the columnE.g. 'id' |
| newDataType | E.g. 'int' |
| schemaName | Name of the schemaE.g. 'public' |
| tableName | Name of the tableE.g. 'person' |
<changeSet author="liquibase-docs" id="modifyDataType-example">
<modifyDataType catalogName="cat"
columnName="id"
newDataType="int"
schemaName="public"
tableName="person"/>
</changeSet>changeSet:
id: modifyDataType-example
author: liquibase-docs
changes:
- modifyDataType:
catalogName: cat
columnName: id
newDataType: int
schemaName: public
tableName: person{
"changeSet": {
"id": "modifyDataType-example",
"author": "liquibase-docs",
"changes": [
{
"modifyDataType": {
"catalogName": "cat",
"columnName": "id",
"newDataType": "int",
"schemaName": "public",
"tableName": "person"
}
}]
}
}SQL Generated From Above Sample (MySQL)
ALTER TABLE cat.person MODIFY id INT;Database Support
| Database | Notes | Auto Rollback |
|---|---|---|
| DB2/LUW | Supported | No |
| DB2/z | Not 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 |