Package org.h2.command.ddl

Class AlterTableAlterColumn

java.lang.Object
org.h2.command.Prepared
org.h2.command.ddl.DefineCommand
org.h2.command.ddl.SchemaCommand
org.h2.command.ddl.CommandWithColumns
org.h2.command.ddl.AlterTableAlterColumn
public class AlterTableAlterColumn extends CommandWithColumns
This class represents the statements ALTER TABLE ADD, ALTER TABLE ADD IF NOT EXISTS, ALTER TABLE ALTER COLUMN, ALTER TABLE ALTER COLUMN SELECTIVITY, ALTER TABLE ALTER COLUMN SET DEFAULT, ALTER TABLE ALTER COLUMN DROP DEFAULT, ALTER TABLE ALTER COLUMN DROP EXPRESSION, ALTER TABLE ALTER COLUMN SET NULL, ALTER TABLE ALTER COLUMN DROP NULL, ALTER TABLE ALTER COLUMN SET VISIBLE, ALTER TABLE ALTER COLUMN SET INVISIBLE, ALTER TABLE DROP COLUMN

  • Constructor Details

    • AlterTableAlterColumn

      public AlterTableAlterColumn(SessionLocal session, Schema schema)

  • Method Details

    • setIfTableExists

      public void setIfTableExists(boolean b)

    • setTableName

      public void setTableName(String tableName)

    • setOldColumn

      public void setOldColumn(Column oldColumn)

    • setAddFirst

      public void setAddFirst()
      Add the column as the first column of the table.

    • setAddBefore

      public void setAddBefore(String before)

    • setAddAfter

      public void setAddAfter(String after)

    • update

      public long update()
      Description copied from class: Prepared
      Execute the statement.
      Overrides:
      update in class Prepared
      Returns:
      the update count

    • setType

      public void setType(int type)

    • setSelectivity

      public void setSelectivity(Expression selectivity)

    • setDefaultExpression

      public void setDefaultExpression(Expression defaultExpression)
      Set default or on update expression.
      Parameters:
      defaultExpression - default or on update expression

    • setUsingExpression

      public void setUsingExpression(Expression usingExpression)
      Set using expression.
      Parameters:
      usingExpression - using expression

    • setNewColumn

      public void setNewColumn(Column newColumn)

    • getType

      public int getType()
      Description copied from class: Prepared
      Get the command type as defined in CommandInterface
      Specified by:
      getType in class Prepared
      Returns:
      the statement type

    • setIfNotExists

      public void setIfNotExists(boolean ifNotExists)

    • addColumn

      public void addColumn(Column column)
      Description copied from class: CommandWithColumns
      Add a column to this table.
      Specified by:
      addColumn in class CommandWithColumns
      Parameters:
      column - the column to add

    • setColumnsToRemove

      public void setColumnsToRemove(ArrayList<Column> columnsToRemove)

    • setBooleanFlag

      public void setBooleanFlag(boolean booleanFlag)