Type Members

1.  trait Attribute extends LeafExpression with LogSupport

   Attribute is used for column names of relational table inputs and outputs

2.  trait BinaryExpression extends Expression
3.  trait BinaryPlan extends LogicalPlan
4.  case class CTERelationRef(name: String, outputColumns: Seq[Attribute], nodeLocation: Option[NodeLocation]) extends Relation with LeafPlan with Product with Serializable

   For WITH cte as (...)

5.  case class ColumnPath(database: Option[String], table: Option[String], columnName: String) extends Product with Serializable

   Used for matching column name with Attribute

6.  sealed trait Expression extends TreeNode[Expression] with Product

7.  trait LeafExpression extends Expression
8.  trait LeafPlan extends LogicalPlan
9.  trait LogicalPlan extends TreeNode[LogicalPlan] with Product with SQLSig
10.  case class NodeLocation(line: Int, column: Int) extends Product with Serializable
11.  case class ResolvedAttribute(name: String, dataType: DataType, qualifier: Option[String], sourceColumn: Option[SourceColumn], nodeLocation: Option[NodeLocation]) extends Attribute with LogSupport with Product with Serializable
12.  case class ResolvedGroupingKey(index: Option[Int], child: Expression, nodeLocation: Option[NodeLocation]) extends GroupingKey with Product with Serializable
13.  trait SQLSig extends AnyRef

    A trait for LogicalPlan nodes that can generate SQL signatures

14.  case class SourceColumn(table: Table, column: TableColumn) extends Product with Serializable
15.  case class TableScan(fullName: String, table: Table, columns: Seq[TableColumn], nodeLocation: Option[NodeLocation]) extends Relation with LeafPlan with Product with Serializable

    The lowest level operator to access a table

    The lowest level operator to access a table

    fullName

    original table reference name in SQL. Used for generating SQL text

    table

    source table

    columns

    projectec columns

16.  trait TreeNode[Elem <: TreeNode[Elem]] extends AnyRef

    A base class for LogicalPlan and Expression

17.  trait UnaryExpression extends Expression
18.  trait UnaryPlan extends LogicalPlan