Package liquibase.sqlgenerator.core

Class AddColumnGeneratorDefaultClauseBeforeNotNull

java.lang.Object

liquibase.sqlgenerator.core.AbstractSqlGenerator<AddColumnStatement>

liquibase.sqlgenerator.core.AddColumnGenerator

liquibase.sqlgenerator.core.AddColumnGeneratorDefaultClauseBeforeNotNull

All Implemented Interfaces:

PrioritizedService, SqlGenerator<AddColumnStatement>

public class AddColumnGeneratorDefaultClauseBeforeNotNull
extends AddColumnGenerator

Field Summary

Fields inherited from class liquibase.sqlgenerator.core.AddColumnGenerator

REFERENCE_PATTERN

Fields inherited from interface liquibase.servicelocator.PrioritizedService

COMPARATOR

Fields inherited from interface liquibase.sqlgenerator.SqlGenerator

EMPTY_SQL, PRIORITY_DATABASE, PRIORITY_DEFAULT

Constructor Summary

Constructors

Constructor	Description
AddColumnGeneratorDefaultClauseBeforeNotNull()

Method Summary

Modifier and Type	Method	Description
protected String	generateSingleColumnSQL(AddColumnStatement statement, Database database)
int	getPriority()	Of all the SqlGenerators that "support" a given SqlStatement/Database, SqlGeneratorFactory will return the one with the highest priority.
boolean	supports(AddColumnStatement statement, Database database)	Does this generator support the given statement/database combination? Do not validate the statement with this method, only return if it can support it.
ValidationErrors	validate(AddColumnStatement statement, Database database, SqlGeneratorChain sqlGeneratorChain)	Validate the data contained in the SqlStatement.

Methods inherited from class liquibase.sqlgenerator.core.AddColumnGenerator

addForeignKeyStatements, addUniqueConstraintStatements, generateSingleColumBaseSQL, generateSingleColumn, generateSql, getAffectedColumn, getAffectedColumns

Methods inherited from class liquibase.sqlgenerator.core.AbstractSqlGenerator

generateRollbackStatementsIsVolatile, generateStatementsIsVolatile, looksLikeFunctionCall, warn

Methods inherited from class java.lang.Object

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

Constructor Details

AddColumnGeneratorDefaultClauseBeforeNotNull

public AddColumnGeneratorDefaultClauseBeforeNotNull()

Method Details

getPriority

public int getPriority()

Description copied from interface: SqlGenerator

Of all the SqlGenerators that "support" a given SqlStatement/Database, SqlGeneratorFactory will return the one with the highest priority.

Specified by:

getPriority in interface PrioritizedService

Specified by:

getPriority in interface SqlGenerator<AddColumnStatement>

Overrides:

getPriority in class AbstractSqlGenerator<AddColumnStatement>

supports

public boolean supports(AddColumnStatement statement,
 Database database)

Description copied from interface: SqlGenerator

Does this generator support the given statement/database combination? Do not validate the statement with this method, only return if it can support it.

Specified by:

supports in interface SqlGenerator<AddColumnStatement>

Overrides:

supports in class AbstractSqlGenerator<AddColumnStatement>

validate

public ValidationErrors validate(AddColumnStatement statement,
 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.

Specified by:

validate in interface SqlGenerator<AddColumnStatement>

Overrides:

validate in class AddColumnGenerator

generateSingleColumnSQL

protected String generateSingleColumnSQL(AddColumnStatement statement,
 Database database)

Overrides:

generateSingleColumnSQL in class AddColumnGenerator