Package org.h2.command.dml

Class MergeUsing

java.lang.Object
org.h2.command.Prepared
org.h2.command.dml.DataChangeStatement
org.h2.command.dml.MergeUsing
public final class MergeUsing extends DataChangeStatement
This class represents the statement syntax MERGE INTO table alias USING... It does not replace the MERGE INTO... KEYS... form.

  • Constructor Details

  • Method Details

    • update

      public long update(ResultTarget deltaChangeCollector, DataChangeDeltaTable.ResultOption deltaChangeCollectionMode)
      Description copied from class: DataChangeStatement
      Execute the statement with specified delta change collector and collection mode.
      Specified by:
      update in class DataChangeStatement
      Parameters:
      deltaChangeCollector - target result
      deltaChangeCollectionMode - collection mode
      Returns:
      the update count

    • getPlanSQL

      public StringBuilder getPlanSQL(StringBuilder builder, int sqlFlags)
      Description copied from class: Prepared
      Appends the SQL statement with the execution plan.
      Overrides:
      getPlanSQL in class Prepared
      Parameters:
      builder - string builder
      sqlFlags - formatting flags
      Returns:
      the execution plan

    • setSourceTableFilter

      public void setSourceTableFilter(TableFilter sourceTableFilter)

    • getSourceTableFilter

      public TableFilter getSourceTableFilter()

    • setOnCondition

      public void setOnCondition(Expression condition)

    • getOnCondition

      public Expression getOnCondition()

    • getWhen

      public ArrayList<MergeUsing.When> getWhen()

    • addWhen

      public void addWhen(MergeUsing.When w)
      Adds WHEN command.
      Parameters:
      w - new WHEN command to add (update, delete or insert).

    • getTable

      public Table getTable()
      Description copied from class: DataChangeStatement
      Return the target table.
      Specified by:
      getTable in class DataChangeStatement
      Returns:
      the target table

    • setTargetTableFilter

      public void setTargetTableFilter(TableFilter targetTableFilter)

    • getTargetTableFilter

      public TableFilter getTargetTableFilter()

    • 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

    • getStatementName

      public String getStatementName()
      Description copied from class: DataChangeStatement
      Return the name of this statement.
      Specified by:
      getStatementName in class DataChangeStatement
      Returns:
      the short name of this statement.

    • collectDependencies

      public void collectDependencies(HashSet<DbObject> dependencies)
      Description copied from class: Prepared
      Find and collect all DbObjects, this Prepared depends on.
      Overrides:
      collectDependencies in class Prepared
      Parameters:
      dependencies - collection of dependencies to populate