liquibase.sqlgenerator.core

Class DropColumnGenerator

java.lang.Object

liquibase.sqlgenerator.core.AbstractSqlGenerator<DropColumnStatement>

liquibase.sqlgenerator.core.DropColumnGenerator

All Implemented Interfaces:

PrioritizedService, SqlGenerator<DropColumnStatement>

public class DropColumnGenerator
extends AbstractSqlGenerator<DropColumnStatement>

Field Summary

Fields inherited from interface liquibase.sqlgenerator.SqlGenerator

EMPTY_SQL, PRIORITY_DATABASE, PRIORITY_DEFAULT

Fields inherited from interface liquibase.servicelocator.PrioritizedService

COMPARATOR

Constructor Summary

Constructors

Constructor and Description
DropColumnGenerator()

Method Summary

Modifier and Type	Method and Description
Sql[]	generateSql(DropColumnStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain) Generate the actual Sql for the given statement and database.
protected Column	getAffectedColumn(DropColumnStatement statement)
ValidationErrors	validate(DropColumnStatement dropColumnStatement, Database database, SqlGeneratorChain sqlGeneratorChain) Validate the data contained in the SqlStatement.

Methods inherited from class liquibase.sqlgenerator.core.AbstractSqlGenerator

generateRollbackStatementsIsVolatile, generateStatementsIsVolatile, getPriority, looksLikeFunctionCall, supports, warn

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DropColumnGenerator

public DropColumnGenerator()

Method Detail

validate

public ValidationErrors validate(DropColumnStatement dropColumnStatement,
                                 Database database,
                                 SqlGeneratorChain sqlGeneratorChain)

Description copied from interface: SqlGenerator

Validate the data contained in the SqlStatement. If there are no errors, return an empty ValidationErrors object, not a null value. Liquibase will inspect the ValidationErrors result before attempting to call generateSql.

generateSql

public Sql[] generateSql(DropColumnStatement statement,
                         Database database,
                         SqlGeneratorChain sqlGeneratorChain)

Description copied from interface: SqlGenerator

Generate the actual Sql for the given statement and database.

getAffectedColumn

protected Column getAffectedColumn(DropColumnStatement statement)