spark-sql-InsertableRelation.adoc

InsertableRelation Contract — Relations with Inserting or Overwriting Data

InsertableRelation is the contract of BaseRelations with support for inserting or overwriting data.

package org.apache.spark.sql.sources

trait InsertableRelation {
  def insert(data: DataFrame, overwrite: Boolean): Unit
}

Table 1. InsertableRelation Contract

Property	Description
insert	Inserting or overwriting data in a relation Used exclusively when InsertIntoDataSourceCommand logical command is executed

Note	JDBCRelation is the one and only known direct implementation of InsertableRelation Contract in Spark SQL.