public class DropColumnChange extends AbstractChange
LiquibaseSerializable.SerializationType
Constructor and Description |
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DropColumnChange() |
Modifier and Type | Method and Description |
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SqlStatement[] |
generateStatements(Database database)
Generates the
SqlStatement objects required to run the change for the given database. |
boolean |
generateStatementsVolatile(Database database)
Implementation delegates logic to the
SqlGenerator.generateStatementsIsVolatile(Database) method on the SqlStatement objects returned by Change.generateStatements(liquibase.database.Database) . |
java.lang.String |
getCatalogName() |
java.lang.String |
getColumnName() |
java.lang.String |
getConfirmationMessage()
Confirmation message to be displayed after the change is executed.
|
java.lang.String |
getSchemaName() |
java.lang.String |
getTableName() |
void |
setCatalogName(java.lang.String catalogName) |
void |
setColumnName(java.lang.String columnName) |
void |
setSchemaName(java.lang.String schemaName) |
void |
setTableName(java.lang.String tableName) |
boolean |
supports(Database database)
Implementation delegates logic to the
SqlGenerator.supports(liquibase.statement.SqlStatement, liquibase.database.Database) method on the SqlStatement objects returned by Change.generateStatements(liquibase.database.Database) . |
ValidationErrors |
validate(Database database)
Implementation checks the ChangeParameterMetaData for declared required fields
and also delegates logic to the
SqlGenerator.validate(liquibase.statement.SqlStatement, liquibase.database.Database, liquibase.sqlgenerator.SqlGeneratorChain) method on the SqlStatement objects returned by Change.generateStatements(liquibase.database.Database) . |
createChangeMetaData, createChangeParameterMetadata, createDescriptionMetaData, createExampleValueMetaData, createInverses, createMustEqualExistingMetaData, createRequiredDatabasesMetaData, createSerializationTypeMetaData, createSinceMetaData, createSupportedDatabasesMetaData, finishInitialization, generateCheckSum, generateRollbackStatements, generateRollbackStatementsVolatile, getAffectedDatabaseObjects, getChangeSet, getResourceAccessor, getSerializableFields, getSerializableFieldType, getSerializableFieldValue, getSerializedObjectName, setChangeSet, setResourceAccessor, supportsRollback, warn
public boolean generateStatementsVolatile(Database database)
AbstractChange
SqlGenerator.generateStatementsIsVolatile(Database)
method on the SqlStatement
objects returned by Change.generateStatements(liquibase.database.Database)
.
If zero or null SqlStatements are returned by generateStatements then this method returns false.generateStatementsVolatile
in interface Change
generateStatementsVolatile
in class AbstractChange
public boolean supports(Database database)
AbstractChange
SqlGenerator.supports(liquibase.statement.SqlStatement, liquibase.database.Database)
method on the SqlStatement
objects returned by Change.generateStatements(liquibase.database.Database)
.
If no or null SqlStatements are returned by generateStatements then this method returns true.
If AbstractChange.generateStatementsVolatile(liquibase.database.Database)
returns true, we cannot call generateStatements and so assume true.supports
in interface Change
supports
in class AbstractChange
public ValidationErrors validate(Database database)
AbstractChange
SqlGenerator.validate(liquibase.statement.SqlStatement, liquibase.database.Database, liquibase.sqlgenerator.SqlGeneratorChain)
method on the SqlStatement
objects returned by Change.generateStatements(liquibase.database.Database)
.
If no or null SqlStatements are returned by generateStatements then this method returns no errors.
If there are no parameters than this method returns no errorsvalidate
in interface Change
validate
in class AbstractChange
public java.lang.String getColumnName()
public void setColumnName(java.lang.String columnName)
public java.lang.String getCatalogName()
public void setCatalogName(java.lang.String catalogName)
public java.lang.String getSchemaName()
public void setSchemaName(java.lang.String schemaName)
public java.lang.String getTableName()
public void setTableName(java.lang.String tableName)
public SqlStatement[] generateStatements(Database database)
Change
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)
.public java.lang.String getConfirmationMessage()
Change