querygeneration

Type Members

1. case class AggregateQuery(columns: Seq[NamedExpression], groups: Seq[Expression], child: SnowflakeQuery, alias: String) extends SnowflakeQuery with Product with Serializable

   

   The query for a aggregation operation.

   The query for a aggregation operation.

   columns

   The projection columns, containing also the aggregate expressions.

   groups

   The grouping columns.

   child

   The child node.

   alias

   Query alias.

2. case class FilterQuery(conditions: Seq[Expression], child: SnowflakeQuery, alias: String, fields: Option[Seq[Attribute]] = None) extends SnowflakeQuery with Product with Serializable

   

   The query for a filter operation.

   The query for a filter operation.

   conditions

   The filter condition.

   child

   The child node.

   alias

   Query alias.

3. case class JoinQuery(left: SnowflakeQuery, right: SnowflakeQuery, conditions: Option[Expression], joinType: JoinType, alias: String) extends SnowflakeQuery with Product with Serializable

   

   The query for join operations.

   The query for join operations.

   left

   The left query subtree.

   right

   The right query subtree.

   conditions

   The join conditions.

   joinType

   The join type.

   alias

   Query alias.

4. case class LeftSemiJoinQuery(left: SnowflakeQuery, right: SnowflakeQuery, conditions: Option[Expression], isAntiJoin: Boolean = false, alias: Iterator[String]) extends SnowflakeQuery with Product with Serializable

   

5. case class ProjectQuery(columns: Seq[NamedExpression], child: SnowflakeQuery, alias: String) extends SnowflakeQuery with Product with Serializable

   

   The query for a projection operation.

   The query for a projection operation.

   columns

   The projection columns.

   child

   The child node.

   alias

   Query alias.

6. case class SortLimitQuery(limit: Option[Expression], orderBy: Seq[Expression], child: SnowflakeQuery, alias: String) extends SnowflakeQuery with Product with Serializable

   

   The query for Sort and Limit operations.

   The query for Sort and Limit operations.

   limit

   Limit expression.

   orderBy

   Order By expressions.

   child

   The child node.

   alias

   Query alias.

7. case class SourceQuery(relation: SnowflakeRelation, refColumns: Seq[Attribute], alias: String) extends SnowflakeQuery with Product with Serializable

   

   The query for a base type (representing a table or view).

   The query for a base type (representing a table or view).

   relation

   The base SnowflakeRelation representing the basic table, view, or subquery defined by the user.

   refColumns

   Columns used to override the output generation for the QueryHelper. These are the columns resolved by SnowflakeRelation.

   alias

   Query alias.

8. case class UnionQuery(children: Seq[LogicalPlan], alias: String, outputCols: Option[Seq[Attribute]] = None) extends SnowflakeQuery with Product with Serializable

   

   The query for union.

   The query for union.

   children

   Children of the union expression.

9. case class WindowQuery(windowExpressions: Seq[NamedExpression], child: SnowflakeQuery, alias: String) extends SnowflakeQuery with Product with Serializable

   

   Query including a windowing clause.

   Query including a windowing clause.

   windowExpressions

   The windowing expressions.

   child

   The child query.

   alias

   Query alias.