liquibase.change.core
Class DropDefaultValueChange

java.lang.Object
  extended by liquibase.change.AbstractChange
      extended by liquibase.change.core.DropDefaultValueChange
All Implemented Interfaces:
Change

public class DropDefaultValueChange
extends AbstractChange

Removes the default value from an existing column.


Constructor Summary
DropDefaultValueChange()
           
 
Method Summary
 SqlStatement[] generateStatements(Database database)
          Generates the SQL statements required to run the change
 java.lang.String getColumnDataType()
           
 java.lang.String getColumnName()
           
 java.lang.String getConfirmationMessage()
           
 java.lang.String getSchemaName()
           
 java.lang.String getTableName()
           
 void setColumnDataType(java.lang.String columnDataType)
           
 void setColumnName(java.lang.String columnName)
           
 void setSchemaName(java.lang.String schemaName)
           
 void setTableName(java.lang.String tableName)
           
 
Methods inherited from class liquibase.change.AbstractChange
createInverses, generateCheckSum, generateRollbackStatements, getAffectedDatabaseObjects, getChangeMetaData, getChangeSet, getResourceAccessor, init, requiresUpdatedDatabaseMetadata, setChangeSet, setPriority, setResourceAccessor, supports, supportsRollback, validate, warn
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DropDefaultValueChange

public DropDefaultValueChange()
Method Detail

getSchemaName

public java.lang.String getSchemaName()

setSchemaName

public void setSchemaName(java.lang.String schemaName)

getTableName

public java.lang.String getTableName()

setTableName

public void setTableName(java.lang.String tableName)

getColumnName

public java.lang.String getColumnName()

setColumnName

public void setColumnName(java.lang.String columnName)

getColumnDataType

public java.lang.String getColumnDataType()

setColumnDataType

public void setColumnDataType(java.lang.String columnDataType)

generateStatements

public SqlStatement[] generateStatements(Database database)
Description copied from interface: Change
Generates the SQL statements required to run the change

Parameters:
database - databasethe target Database associated to this change's statements
Returns:
an array of Strings with the statements

getConfirmationMessage

public java.lang.String getConfirmationMessage()
Returns:
Confirmation message to be displayed after the change is executed


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