Package liquibase.change.core
Class MergeColumnChange
- 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.MergeColumnChange
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- All Implemented Interfaces:
Cloneable
,Change
,ExtensibleObject
,Plugin
,LiquibaseSerializable
public class MergeColumnChange extends AbstractChange
Combines data from two existing columns into a new column and drops the original columns.
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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 MergeColumnChange()
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Method Summary
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Methods inherited from class liquibase.change.AbstractChange
checkStatus, createChangeMetaData, createChangeParameterMetadata, createDescriptionMetaData, createEmptyColumnConfig, createExampleValueMetaData, createInverses, createMustEqualExistingMetaData, createRequiredDatabasesMetaData, createSerializationTypeMetaData, createSinceMetaData, createSupportedDatabasesMetaData, customLoadLogic, equals, finishInitialization, generateCheckSum, generateRollbackStatements, generateRollbackStatementsVolatile, getAffectedDatabaseObjects, getChangeSet, getDescription, getExcludedFieldFilters, getResourceAccessor, getSerializableFieldNamespace, getSerializableFields, getSerializableFieldType, getSerializableFieldValue, getSerializedObjectName, hashCode, isInvalidProperty, load, modify, serialize, serializeValue, setChangeSet, setResourceAccessor, shouldExecuteChange, 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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supports
public boolean supports(Database database)
Description copied from class:AbstractChange
Implementation delegates logic to theSqlGenerator.supports(liquibase.statement.SqlStatement, liquibase.database.Database)
method on theSqlStatement
objects returned byChange.generateStatements(liquibase.database.Database)
. If no or null SqlStatements are returned by generateStatements then this method returns true. IfAbstractChange.generateStatementsVolatile(liquibase.database.Database)
returns true, we cannot call generateStatements and so assume true.- Specified by:
supports
in interfaceChange
- Overrides:
supports
in classAbstractChange
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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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getColumn1Name
public String getColumn1Name()
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setColumn1Name
public void setColumn1Name(String column1Name)
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getColumn2Name
public String getColumn2Name()
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setColumn2Name
public void setColumn2Name(String column2Name)
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getJoinString
public String getJoinString()
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setJoinString
public void setJoinString(String joinString)
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getFinalColumnName
public String getFinalColumnName()
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setFinalColumnName
public void setFinalColumnName(String finalColumnName)
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getFinalColumnType
public String getFinalColumnType()
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setFinalColumnType
public void setFinalColumnType(String finalColumnType)
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generateStatementsVolatile
public boolean generateStatementsVolatile(Database database)
Description copied from class:AbstractChange
Implementation delegates logic to theSqlGenerator.generateStatementsIsVolatile(Database)
method on theSqlStatement
objects returned byChange.generateStatements(liquibase.database.Database)
. If zero or null SqlStatements are returned by generateStatements then this method returns false.- Specified by:
generateStatementsVolatile
in interfaceChange
- Overrides:
generateStatementsVolatile
in classAbstractChange
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generateStatements
public SqlStatement[] generateStatements(Database database)
Description copied from interface:Change
Generates theSqlStatement
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 fromChange.generateStatementsVolatile(liquibase.database.Database)
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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.
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getSerializedObjectNamespace
public String getSerializedObjectNamespace()
- Specified by:
getSerializedObjectNamespace
in interfaceLiquibaseSerializable
- Overrides:
getSerializedObjectNamespace
in classAbstractChange
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