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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.sql.sources
import org.scalatest.BeforeAndAfterAll
import org.apache.spark.SparkFunSuite
import org.apache.spark.sql.AnalysisException
import org.apache.spark.sql.catalyst.dsl.expressions._
import org.apache.spark.sql.catalyst.expressions.{Alias, Attribute, Cast, Expression, Literal}
import org.apache.spark.sql.execution.datasources.DataSourceAnalysis
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.types.{DataType, IntegerType, StructType}
class DataSourceAnalysisSuite extends SparkFunSuite with BeforeAndAfterAll {
private var targetAttributes: Seq[Attribute] = _
private var targetPartitionSchema: StructType = _
override def beforeAll(): Unit = {
targetAttributes = Seq('a.int, 'd.int, 'b.int, 'c.int)
targetPartitionSchema = new StructType()
.add("b", IntegerType)
.add("c", IntegerType)
}
private def checkProjectList(actual: Seq[Expression], expected: Seq[Expression]): Unit = {
// Remove aliases since we have no control on their exprId.
val withoutAliases = actual.map {
case alias: Alias => alias.child
case other => other
}
assert(withoutAliases === expected)
}
Seq(true, false).foreach { caseSensitive =>
val conf = new SQLConf().copy(SQLConf.CASE_SENSITIVE -> caseSensitive)
def cast(e: Expression, dt: DataType): Expression = {
Cast(e, dt, Option(conf.sessionLocalTimeZone))
}
val rule = DataSourceAnalysis(conf)
test(
s"convertStaticPartitions only handle INSERT having at least static partitions " +
s"(caseSensitive: $caseSensitive)") {
intercept[AssertionError] {
rule.convertStaticPartitions(
sourceAttributes = Seq('e.int, 'f.int),
providedPartitions = Map("b" -> None, "c" -> None),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
}
}
test(s"Missing columns (caseSensitive: $caseSensitive)") {
// Missing columns.
intercept[AnalysisException] {
rule.convertStaticPartitions(
sourceAttributes = Seq('e.int),
providedPartitions = Map("b" -> Some("1"), "c" -> None),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
}
}
test(s"Missing partitioning columns (caseSensitive: $caseSensitive)") {
// Missing partitioning columns.
intercept[AnalysisException] {
rule.convertStaticPartitions(
sourceAttributes = Seq('e.int, 'f.int),
providedPartitions = Map("b" -> Some("1")),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
}
// Missing partitioning columns.
intercept[AnalysisException] {
rule.convertStaticPartitions(
sourceAttributes = Seq('e.int, 'f.int, 'g.int),
providedPartitions = Map("b" -> Some("1")),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
}
// Wrong partitioning columns.
intercept[AnalysisException] {
rule.convertStaticPartitions(
sourceAttributes = Seq('e.int, 'f.int),
providedPartitions = Map("b" -> Some("1"), "d" -> None),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
}
}
test(s"Wrong partitioning columns (caseSensitive: $caseSensitive)") {
// Wrong partitioning columns.
intercept[AnalysisException] {
rule.convertStaticPartitions(
sourceAttributes = Seq('e.int, 'f.int),
providedPartitions = Map("b" -> Some("1"), "d" -> Some("2")),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
}
// Wrong partitioning columns.
intercept[AnalysisException] {
rule.convertStaticPartitions(
sourceAttributes = Seq('e.int),
providedPartitions = Map("b" -> Some("1"), "c" -> Some("3"), "d" -> Some("2")),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
}
if (caseSensitive) {
// Wrong partitioning columns.
intercept[AnalysisException] {
rule.convertStaticPartitions(
sourceAttributes = Seq('e.int, 'f.int),
providedPartitions = Map("b" -> Some("1"), "C" -> Some("3")),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
}
}
}
test(
s"Static partitions need to appear before dynamic partitions" +
s" (caseSensitive: $caseSensitive)") {
// Static partitions need to appear before dynamic partitions.
intercept[AnalysisException] {
rule.convertStaticPartitions(
sourceAttributes = Seq('e.int, 'f.int),
providedPartitions = Map("b" -> None, "c" -> Some("3")),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
}
}
test(s"All static partitions (caseSensitive: $caseSensitive)") {
if (!caseSensitive) {
val nonPartitionedAttributes = Seq('e.int, 'f.int)
val expected = nonPartitionedAttributes ++
Seq(cast(Literal("1"), IntegerType), cast(Literal("3"), IntegerType))
val actual = rule.convertStaticPartitions(
sourceAttributes = nonPartitionedAttributes,
providedPartitions = Map("b" -> Some("1"), "C" -> Some("3")),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
checkProjectList(actual, expected)
}
{
val nonPartitionedAttributes = Seq('e.int, 'f.int)
val expected = nonPartitionedAttributes ++
Seq(cast(Literal("1"), IntegerType), cast(Literal("3"), IntegerType))
val actual = rule.convertStaticPartitions(
sourceAttributes = nonPartitionedAttributes,
providedPartitions = Map("b" -> Some("1"), "c" -> Some("3")),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
checkProjectList(actual, expected)
}
// Test the case having a single static partition column.
{
val nonPartitionedAttributes = Seq('e.int, 'f.int)
val expected = nonPartitionedAttributes ++ Seq(cast(Literal("1"), IntegerType))
val actual = rule.convertStaticPartitions(
sourceAttributes = nonPartitionedAttributes,
providedPartitions = Map("b" -> Some("1")),
targetAttributes = Seq('a.int, 'd.int, 'b.int),
targetPartitionSchema = new StructType().add("b", IntegerType))
checkProjectList(actual, expected)
}
}
test(s"Static partition and dynamic partition (caseSensitive: $caseSensitive)") {
val nonPartitionedAttributes = Seq('e.int, 'f.int)
val dynamicPartitionAttributes = Seq('g.int)
val expected =
nonPartitionedAttributes ++
Seq(cast(Literal("1"), IntegerType)) ++
dynamicPartitionAttributes
val actual = rule.convertStaticPartitions(
sourceAttributes = nonPartitionedAttributes ++ dynamicPartitionAttributes,
providedPartitions = Map("b" -> Some("1"), "c" -> None),
targetAttributes = targetAttributes,
targetPartitionSchema = targetPartitionSchema)
checkProjectList(actual, expected)
}
}
}
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