-
Notifications
You must be signed in to change notification settings - Fork 16
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Databricks loader: Support for generated columns (close #951)
- Loading branch information
Showing
15 changed files
with
373 additions
and
211 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
124 changes: 124 additions & 0 deletions
124
...ader/src/test/scala/com/snowplowanalytics/snowplow/loader/databricks/DatabricksSpec.scala
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * Copyright (c) 2012-2022 Snowplow Analytics Ltd. All rights reserved. | ||
| * | ||
| * This program is licensed to you under the Apache License Version 2.0, | ||
| * and you may not use this file except in compliance with the Apache License Version 2.0. | ||
| * You may obtain a copy of the Apache License Version 2.0 at http://www.apache.org/licenses/LICENSE-2.0. | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the Apache License Version 2.0 is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the Apache License Version 2.0 for the specific language governing permissions and limitations there under. | ||
| */ | ||
| package com.snowplowanalytics.snowplow.loader.databricks | ||
|
|
||
| import cats.data.NonEmptyList | ||
| import com.snowplowanalytics.snowplow.rdbloader.common.S3 | ||
| import com.snowplowanalytics.snowplow.rdbloader.discovery.{DataDiscovery, ShreddedType} | ||
| import com.snowplowanalytics.snowplow.rdbloader.common.config.TransformerConfig.Compression | ||
| import com.snowplowanalytics.snowplow.rdbloader.common.config.Region | ||
| import com.snowplowanalytics.snowplow.rdbloader.common.LoaderMessage.SnowplowEntity | ||
| import com.snowplowanalytics.snowplow.rdbloader.config.{Config, StorageTarget} | ||
| import com.snowplowanalytics.snowplow.rdbloader.db.Columns.{ColumnName, ColumnsToCopy, ColumnsToSkip} | ||
| import com.snowplowanalytics.snowplow.rdbloader.db.{Statement, Target} | ||
|
|
||
| import scala.concurrent.duration.DurationInt | ||
| import org.specs2.mutable.Specification | ||
|
|
||
|
|
||
| class DatabricksSpec extends Specification { | ||
| import DatabricksSpec._ | ||
|
|
||
| "getLoadStatements" should { | ||
|
|
||
| "create LoadStatements with columns to copy and columns to skip" in { | ||
|
|
||
| val eventsColumns = List( | ||
| "unstruct_event_com_acme_aaa_1", | ||
| "unstruct_event_com_acme_bbb_1", | ||
| "contexts_com_acme_xxx_1", | ||
| "contexts_com_acme_yyy_1", | ||
| "not_a_snowplow_column" | ||
| ).map(ColumnName) | ||
|
|
||
| val shreddedTypes = List( | ||
| ShreddedType.Widerow(ShreddedType.Info(baseFolder, "com_acme", "aaa", 1, SnowplowEntity.SelfDescribingEvent)), | ||
| ShreddedType.Widerow(ShreddedType.Info(baseFolder, "com_acme", "ccc", 1, SnowplowEntity.SelfDescribingEvent)), | ||
| ShreddedType.Widerow(ShreddedType.Info(baseFolder, "com_acme", "yyy", 1, SnowplowEntity.Context)), | ||
| ShreddedType.Widerow(ShreddedType.Info(baseFolder, "com_acme", "zzz", 1, SnowplowEntity.Context)) | ||
| ) | ||
|
|
||
| val discovery = DataDiscovery(baseFolder, shreddedTypes, Compression.Gzip) | ||
|
|
||
| target.getLoadStatements(discovery, eventsColumns) should be like { | ||
| case NonEmptyList(Statement.EventsCopy(path, compression, columnsToCopy, columnsToSkip), Nil) => | ||
| path must beEqualTo(baseFolder) | ||
| compression must beEqualTo(Compression.Gzip) | ||
|
|
||
| columnsToCopy.names must contain(allOf( | ||
| ColumnName("unstruct_event_com_acme_aaa_1"), | ||
| ColumnName("unstruct_event_com_acme_ccc_1"), | ||
| ColumnName("contexts_com_acme_yyy_1"), | ||
| ColumnName("contexts_com_acme_zzz_1"), | ||
| )) | ||
|
|
||
| columnsToCopy.names must not contain(ColumnName("unstruct_event_com_acme_bbb_1")) | ||
| columnsToCopy.names must not contain(ColumnName("contexts_com_acme_xxx_1")) | ||
| columnsToCopy.names must not contain(ColumnName("not_a_snowplow_column")) | ||
|
|
||
| columnsToSkip.names must beEqualTo(List( | ||
| ColumnName("unstruct_event_com_acme_bbb_1"), | ||
| ColumnName("contexts_com_acme_xxx_1"), | ||
| )) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| "toFragment" should { | ||
| "create sql for loading" in { | ||
| val toCopy = ColumnsToCopy(List( | ||
| ColumnName("app_id"), | ||
| ColumnName("unstruct_event_com_acme_aaa_1"), | ||
| ColumnName("contexts_com_acme_xxx_1") | ||
| )) | ||
| val toSkip = ColumnsToSkip(List( | ||
| ColumnName("unstruct_event_com_acme_bbb_1"), | ||
| ColumnName("contexts_com_acme_yyy_1"), | ||
| )) | ||
| val statement = Statement.EventsCopy(baseFolder, Compression.Gzip, toCopy, toSkip) | ||
|
|
||
| target.toFragment(statement).toString must beLike { case sql => | ||
| sql must contain("SELECT app_id,unstruct_event_com_acme_aaa_1,contexts_com_acme_xxx_1,NULL AS unstruct_event_com_acme_bbb_1,NULL AS contexts_com_acme_yyy_1,current_timestamp() AS load_tstamp from 's3://somewhere/path/output=good/'") | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| object DatabricksSpec { | ||
|
|
||
| val baseFolder: S3.Folder = | ||
| S3.Folder.coerce("s3://somewhere/path") | ||
|
|
||
| val target: Target = Databricks.build(Config( | ||
| Region("eu-central-1"), | ||
| None, | ||
| Config.Monitoring(None, None, Config.Metrics(None, None, 1.minute), None, None, None), | ||
| "my-queue.fifo", | ||
| None, | ||
| StorageTarget.Databricks( | ||
| "host", | ||
| "hive_metastore", | ||
| "snowplow", | ||
| 443, | ||
| "some/path", | ||
| StorageTarget.PasswordConfig.PlainText("xxx"), | ||
| None, | ||
| "useragent" | ||
| ), | ||
| Config.Schedules(Nil), | ||
| Config.Timeouts(1.minute, 1.minute, 1.minute), | ||
| Config.Retries(Config.Strategy.Constant, None, 1.minute, None), | ||
| Config.Retries(Config.Strategy.Constant, None, 1.minute, None) | ||
| )).right.get | ||
|
|
||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.