liquibase.change.core
Class DropDefaultValueChange
java.lang.Object
liquibase.change.AbstractChange
liquibase.change.core.DropDefaultValueChange
- All Implemented Interfaces:
- Change, LiquibaseSerializable
public class DropDefaultValueChange
- extends AbstractChange
Removes the default value from an existing column.
Methods inherited from class liquibase.change.AbstractChange |
createChangeMetaData, createChangeParameterMetadata, createDescriptionMetaData, createEmptyColumnConfig, createExampleValueMetaData, createInverses, createMustEqualExistingMetaData, createRequiredDatabasesMetaData, createSerializationTypeMetaData, createSinceMetaData, createSupportedDatabasesMetaData, customLoadLogic, finishInitialization, generateCheckSum, generateRollbackStatements, generateRollbackStatementsVolatile, generateStatementsVolatile, getAffectedDatabaseObjects, getChangeSet, getDescription, getResourceAccessor, getSerializableFieldNamespace, getSerializableFields, getSerializableFieldType, getSerializableFieldValue, getSerializedObjectName, isInvalidProperty, load, serialize, serializeValue, setChangeSet, setResourceAccessor, supports, supportsRollback, toString, validate, warn |
DropDefaultValueChange
public DropDefaultValueChange()
getCatalogName
public String getCatalogName()
setCatalogName
public void setCatalogName(String catalogName)
getSchemaName
public String getSchemaName()
setSchemaName
public void setSchemaName(String schemaName)
getTableName
public String getTableName()
setTableName
public void setTableName(String tableName)
getColumnName
public String getColumnName()
setColumnName
public void setColumnName(String columnName)
getColumnDataType
public String getColumnDataType()
setColumnDataType
public void setColumnDataType(String columnDataType)
generateStatements
public SqlStatement[] generateStatements(Database database)
- Description copied from interface:
Change
- Generates the
SqlStatement
objects required to run the change for the given database.
NOTE: This method may be called multiple times throughout the changelog execution process and may be called in documentation generation and other integration points as well.
If this method reads from the current database state or uses any other logic that will be affected by whether previous changeSets have ran or not, you must return true from Change.generateStatementsVolatile(liquibase.database.Database)
.
checkStatus
public ChangeStatus checkStatus(Database database)
- Description copied from interface:
Change
- Validate that this change executed successfully against the given database. This will check that the update completed at a high level plus check details of the change.
For example, a change to add a column will check that the column exists plus data type, default values, etc.
- Specified by:
checkStatus
in interface Change
- Overrides:
checkStatus
in class AbstractChange
getConfirmationMessage
public String getConfirmationMessage()
- Description copied from interface:
Change
- Confirmation message to be displayed after the change is executed. Should include relevant configuration settings to make it as helpful as possible.
This method may be called outside the changelog execution process, such as in documentation generation.
getSerializedObjectNamespace
public String getSerializedObjectNamespace()
- Specified by:
getSerializedObjectNamespace
in interface LiquibaseSerializable
- Overrides:
getSerializedObjectNamespace
in class AbstractChange
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