Package liquibase.change.core
Class DropDefaultValueChange
- java.lang.Object
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- liquibase.AbstractExtensibleObject
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- liquibase.plugin.AbstractPlugin
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- liquibase.change.AbstractChange
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- liquibase.change.core.DropDefaultValueChange
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- All Implemented Interfaces:
Cloneable,Change,ExtensibleObject,Plugin,LiquibaseSerializable
public class DropDefaultValueChange extends AbstractChange
Removes the default value from an existing column.
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Nested Class Summary
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Nested classes/interfaces inherited from interface liquibase.serializer.LiquibaseSerializable
LiquibaseSerializable.SerializationType
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Field Summary
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Fields inherited from class liquibase.change.AbstractChange
NODENAME_COLUMN
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Fields inherited from interface liquibase.change.Change
EMPTY_CHANGE, SHOULD_EXECUTE
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Fields inherited from interface liquibase.serializer.LiquibaseSerializable
GENERIC_CHANGELOG_EXTENSION_NAMESPACE, GENERIC_SNAPSHOT_EXTENSION_NAMESPACE, STANDARD_CHANGELOG_NAMESPACE, STANDARD_SNAPSHOT_NAMESPACE
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Fields inherited from interface liquibase.plugin.Plugin
PRIORITY_DATABASE, PRIORITY_DEFAULT, PRIORITY_NOT_APPLICABLE, PRIORITY_SPECIALIZED
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Constructor Summary
Constructors Constructor Description DropDefaultValueChange()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ChangeStatuscheckStatus(Database database)Validate that this change executed successfully against the given database.SqlStatement[]generateStatements(Database database)Generates theSqlStatementobjects required to run the change for the given database.StringgetCatalogName()StringgetColumnDataType()StringgetColumnName()StringgetConfirmationMessage()Confirmation message to be displayed after the change is executed.StringgetSchemaName()StringgetSerializedObjectNamespace()StringgetTableName()voidsetCatalogName(String catalogName)voidsetColumnDataType(String columnDataType)voidsetColumnName(String columnName)voidsetSchemaName(String schemaName)voidsetTableName(String tableName)-
Methods inherited from class liquibase.change.AbstractChange
createChangeMetaData, createChangeParameterMetadata, createDescriptionMetaData, createEmptyColumnConfig, createExampleValueMetaData, createInverses, createMustEqualExistingMetaData, createRequiredDatabasesMetaData, createSerializationTypeMetaData, createSinceMetaData, createSupportedDatabasesMetaData, customLoadLogic, equals, finishInitialization, generateCheckSum, generateRollbackStatements, generateRollbackStatementsVolatile, generateStatementsVolatile, getAffectedDatabaseObjects, getChangeSet, getDescription, getExcludedFieldFilters, getResourceAccessor, getSerializableFieldNamespace, getSerializableFields, getSerializableFieldType, getSerializableFieldValue, getSerializedObjectName, hashCode, isInvalidProperty, load, serialize, serializeValue, setChangeSet, setResourceAccessor, shouldExecuteChange, supports, supportsRollback, toString, validate, warn
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Methods inherited from class liquibase.AbstractExtensibleObject
clone, describe, get, get, get, getAttributes, getFieldValue, getObjectMetaData, getValuePath, has, set
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Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface liquibase.ExtensibleObject
clone, describe, get, get, getAttributes, getObjectMetaData, getValuePath, has, set
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Method Detail
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getCatalogName
public String getCatalogName()
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setCatalogName
public void setCatalogName(String catalogName)
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getSchemaName
public String getSchemaName()
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setSchemaName
public void setSchemaName(String schemaName)
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getTableName
public String getTableName()
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setTableName
public void setTableName(String tableName)
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getColumnName
public String getColumnName()
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setColumnName
public void setColumnName(String columnName)
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getColumnDataType
public String getColumnDataType()
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setColumnDataType
public void setColumnDataType(String columnDataType)
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generateStatements
public SqlStatement[] generateStatements(Database database)
Description copied from interface:ChangeGenerates theSqlStatementobjects 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 fromChange.generateStatementsVolatile(liquibase.database.Database).
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checkStatus
public ChangeStatus checkStatus(Database database)
Description copied from interface:ChangeValidate 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:
checkStatusin interfaceChange- Overrides:
checkStatusin classAbstractChange
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getConfirmationMessage
public String getConfirmationMessage()
Description copied from interface:ChangeConfirmation 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.
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getSerializedObjectNamespace
public String getSerializedObjectNamespace()
- Specified by:
getSerializedObjectNamespacein interfaceLiquibaseSerializable- Overrides:
getSerializedObjectNamespacein classAbstractChange
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