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Signed-off-by: JJ Asghar <[email protected]>
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jjasghar committed Dec 5, 2023
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2 changes: 2 additions & 0 deletions docs/introduction/README.md
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Expand Up @@ -54,3 +54,5 @@ In this workshop, you will use docker to spin up
* A MinIO s3-compatible storage instance

Without further ado, let's get started.

<img src="https://count.asgharlabs.io/count?p=/main_presto_iceberg_page">
21 changes: 12 additions & 9 deletions docs/lab-1/README.md
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Expand Up @@ -95,12 +95,12 @@ The output of the `up` command will look like the below when all containers have

```sh
[+] Running 7/7
✔ Network conf_presto-network Created 0.0s
✔ Volume "conf_minio-data" Created 0.0s
✔ Volume "conf_mysql-data" Created 0.0s
✔ Container presto-coordinator Started 50.0s
✔ Container mysql Started 50.0s
✔ Container minio Started 50.0s
✔ Network conf_presto-network Created 0.0s
✔ Volume "conf_minio-data" Created 0.0s
✔ Volume "conf_mysql-data" Created 0.0s
✔ Container presto-coordinator Started 50.0s
✔ Container mysql Started 50.0s
✔ Container minio Started 50.0s
✔ Container hive-metastore Started 0.0s
```

Expand All @@ -115,9 +115,9 @@ docker logs --tail 100 minio
If started successfully, the logs for the `minio` container should include something similar to the below:
```sh
Status: 1 Online, 0 Offline.
S3-API: http://172.18.0.2:9090 http://127.0.0.1:9090
Console: http://172.18.0.2:9091 http://127.0.0.1:9091
Status: 1 Online, 0 Offline.
S3-API: http://172.18.0.2:9090 http://127.0.0.1:9090
Console: http://172.18.0.2:9091 http://127.0.0.1:9091
```
We will be using the console address in the next exercise. Let's check that the Hive metastore is running with the following command:
Expand Down Expand Up @@ -179,3 +179,6 @@ This file includes a required `connector.name` property that indicates we're def
Recall that the `metastore.uri` property is the same value defined earlier in the `metastore-site.xml` file that was used to configure the metastore service.

Leveraging high-performance huge-data analytics is as easy as that! Let's move to the next exercise to set up our data source and start creating some Iceberg tables.
<img src="https://count.asgharlabs.io/count?p=/lab1_presto_iceberg_page">
3 changes: 3 additions & 0 deletions docs/lab-2/README.md
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Expand Up @@ -26,3 +26,6 @@ You will be prompted for a username and password, which are `minio` and `minio12
Enter the name `test-bucket` and create the bucket. That's it! You can view the empty bucket in the "Object brower".

Now our s3 object store is ready for use. Let's move to the next section to start creating Iceberg tables in Presto.

<img src="https://count.asgharlabs.io/count?p=/lab2_presto_iceberg_page">

78 changes: 40 additions & 38 deletions docs/lab-3/README.md
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Expand Up @@ -31,15 +31,15 @@ After you run the command, the prompt should change from the shell prompt `$` to

```sh
presto> show catalogs;
Catalog
Catalog
---------
hive
iceberg
jmx
memory
system
tpcds
tpch
hive
iceberg
jmx
memory
system
tpcds
tpch
(7 rows)

Query 20231122_230131_00021_79xda, FINISHED, 1 node
Expand Down Expand Up @@ -103,11 +103,11 @@ We can verify our data by running a `SELECT *` statement:

```sh
presto:minio> SELECT * FROM books;
id | title | author
id | title | author
----+-----------------------+---------------------
1 | Pride and Prejudice | Jane Austen
2 | To Kill a Mockingbird | Harper Lee
3 | The Great Gatsby | F. Scott Fitzgerald
1 | Pride and Prejudice | Jane Austen
2 | To Kill a Mockingbird | Harper Lee
3 | The Great Gatsby | F. Scott Fitzgerald
(3 rows)
```

Expand All @@ -117,9 +117,9 @@ We can query some of the Iceberg metadata information from Presto. Let's look at

```sh
presto:minio> SELECT * FROM "books$history";
made_current_at | snapshot_id | parent_id | is_current_ancestor
made_current_at | snapshot_id | parent_id | is_current_ancestor
-----------------------------+---------------------+-----------+---------------------
2023-12-04 03:22:51.654 UTC | 7120201811871583704 | NULL | true
2023-12-04 03:22:51.654 UTC | 7120201811871583704 | NULL | true
(1 row)

Query 20231204_032649_00007_8ds9i, FINISHED, 1 node
Expand All @@ -131,9 +131,9 @@ This shows us that we have a snapshot that was created at the moment we inserted

```sh
presto:minio> SELECT * FROM "books$snapshots";
committed_at | snapshot_id | parent_id | operation | manifest_list | summary
committed_at | snapshot_id | parent_id | operation | manifest_list | summary
-----------------------------+---------------------+-----------+-----------+-------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
2023-12-04 03:22:51.654 UTC | 7120201811871583704 | NULL | append | s3a://test-bucket/minio/books/metadata/snap-7120201811871583704-1-c736f70c-53b0-46bd-93e5-5df38eb0ef62.avro | {changed-partition-count=1, added-data-files=1, total-equality-deletes=0, added-records=3, total-position-deletes=0, added-files-size=579, total-delete-files=0, total-files-size=579, total-records=3, total-data-files=1}
2023-12-04 03:22:51.654 UTC | 7120201811871583704 | NULL | append | s3a://test-bucket/minio/books/metadata/snap-7120201811871583704-1-c736f70c-53b0-46bd-93e5-5df38eb0ef62.avro | {changed-partition-count=1, added-data-files=1, total-equality-deletes=0, added-records=3, total-position-deletes=0, added-files-size=579, total-delete-files=0, total-files-size=579, total-records=3, total-data-files=1}
(1 row)
```

Expand All @@ -143,9 +143,9 @@ Let's go one level deeper and look at the current manifest list metadata:

```sh
presto:minio> SELECT * FROM "books$manifests";
path | length | partition_spec_id | added_snapshot_id | added_data_files_count | existing_data_files_count | deleted_data_files_count | partitions
path | length | partition_spec_id | added_snapshot_id | added_data_files_count | existing_data_files_count | deleted_data_files_count | partitions
-------------------------------------------------------------------------------------+--------+-------------------+---------------------+------------------------+---------------------------+--------------------------+------------
s3a://test-bucket/minio/books/metadata/c736f70c-53b0-46bd-93e5-5df38eb0ef62-m0.avro | 6783 | 0 | 7120201811871583704 | 1 | 0 | 0 | []
s3a://test-bucket/minio/books/metadata/c736f70c-53b0-46bd-93e5-5df38eb0ef62-m0.avro | 6783 | 0 | 7120201811871583704 | 1 | 0 | 0 | []
(1 row)
```

Expand All @@ -155,9 +155,9 @@ Lastly, let's look at what the manifests can tell us. To do so, we call on the `

```sh
presto:minio> SELECT * FROM "books$files";
content | file_path | file_format | record_count | file_size_in_bytes | column_sizes | value_counts | null_value_counts | nan_value_counts | lower_bounds | upper_bounds | key_metadata | split_offsets | equality_ids
content | file_path | file_format | record_count | file_size_in_bytes | column_sizes | value_counts | null_value_counts | nan_value_counts | lower_bounds | upper_bounds | key_metadata | split_offsets | equality_ids
---------+---------------------------------------------------------------------------------+-------------+--------------+--------------------+----------------------+-----------------+-------------------+------------------+-----------------------------------------------+------------------------------------------+--------------+---------------+--------------
0 | s3a://test-bucket/minio/books/data/27b61673-a995-4810-9aa5-b4675b8483ce.parquet | PARQUET | 3 | 579 | {1=52, 2=124, 3=103} | {1=3, 2=3, 3=3} | {1=0, 2=0, 3=0} | {} | {1=1, 2=Pride and Prejud, 3=F. Scott Fitzger} | {1=3, 2=To Kill a Mockio, 3=Jane Austen} | NULL | NULL | NULL
0 | s3a://test-bucket/minio/books/data/27b61673-a995-4810-9aa5-b4675b8483ce.parquet | PARQUET | 3 | 579 | {1=52, 2=124, 3=103} | {1=3, 2=3, 3=3} | {1=0, 2=0, 3=0} | {} | {1=1, 2=Pride and Prejud, 3=F. Scott Fitzger} | {1=3, 2=To Kill a Mockio, 3=Jane Austen} | NULL | NULL | NULL
(1 row)
```

Expand Down Expand Up @@ -196,10 +196,10 @@ At this point, a new snapshot is made current, which we can see by querying the

```sh
presto:minio> SELECT * FROM "books$snapshots";
committed_at | snapshot_id | parent_id | operation | manifest_list | summary
committed_at | snapshot_id | parent_id | operation | manifest_list | summary
-----------------------------+---------------------+---------------------+-----------+-------------------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
2023-12-04 03:22:51.654 UTC | 7120201811871583704 | NULL | append | s3a://test-bucket/minio/books/metadata/snap-7120201811871583704-1-c736f70c-53b0-46bd-93e5-5df38eb0ef62.avro | {changed-partition-count=1, added-data-files=1, total-equality-deletes=0, added-records=3, total-position-deletes=0, added-files-size=579, total-delete-files=0, total-files-size=579, total-records=3, total-data-files=1}
2023-12-04 03:33:37.630 UTC | 5122816232892408908 | 7120201811871583704 | append | s3a://test-bucket/minio/books/metadata/snap-5122816232892408908-1-973a8dc3-8103-4df7-8324-1fa13a2f1202.avro | {changed-partition-count=1, added-data-files=1, total-equality-deletes=0, added-records=1, total-position-deletes=0, added-files-size=765, total-delete-files=0, total-files-size=1344, total-records=4, total-data-files=2}
2023-12-04 03:22:51.654 UTC | 7120201811871583704 | NULL | append | s3a://test-bucket/minio/books/metadata/snap-7120201811871583704-1-c736f70c-53b0-46bd-93e5-5df38eb0ef62.avro | {changed-partition-count=1, added-data-files=1, total-equality-deletes=0, added-records=3, total-position-deletes=0, added-files-size=579, total-delete-files=0, total-files-size=579, total-records=3, total-data-files=1}
2023-12-04 03:33:37.630 UTC | 5122816232892408908 | 7120201811871583704 | append | s3a://test-bucket/minio/books/metadata/snap-5122816232892408908-1-973a8dc3-8103-4df7-8324-1fa13a2f1202.avro | {changed-partition-count=1, added-data-files=1, total-equality-deletes=0, added-records=1, total-position-deletes=0, added-files-size=765, total-delete-files=0, total-files-size=1344, total-records=4, total-data-files=2}
(2 rows)
```

Expand All @@ -211,34 +211,34 @@ Another popular feature of Iceberg is time travel, wherein we can query the tabl

```sh
presto:minio> SELECT snapshot_id, committed_at FROM "books$snapshots" ORDER BY committed_at;
snapshot_id | committed_at
snapshot_id | committed_at
---------------------+-----------------------------
7120201811871583704 | 2023-12-04 03:22:51.654 UTC
5122816232892408908 | 2023-12-04 03:33:37.630 UTC
7120201811871583704 | 2023-12-04 03:22:51.654 UTC
5122816232892408908 | 2023-12-04 03:33:37.630 UTC
(2 rows)
```

Let's verify that the table is in the expected state at our earliest snapshot ID:

```sh
presto:minio> SELECT * FROM books FOR VERSION AS OF 7120201811871583704;
id | title | author | checked_out
id | title | author | checked_out
----+-----------------------+---------------------+-------------
1 | Pride and Prejudice | Jane Austen | NULL
2 | To Kill a Mockingbird | Harper Lee | NULL
3 | The Great Gatsby | F. Scott Fitzgerald | NULL
1 | Pride and Prejudice | Jane Austen | NULL
2 | To Kill a Mockingbird | Harper Lee | NULL
3 | The Great Gatsby | F. Scott Fitzgerald | NULL
(3 rows)
```

We could also do the same thing using a timestamp or date. If you run this query, make sure you change the timestamp so that it's accurate for the time at which you're following along.

```sh
presto:minio> SELECT * FROM books FOR TIMESTAMP AS OF TIMESTAMP '2023-12-04 03:22:51.700 UTC';
id | title | author | checked_out
id | title | author | checked_out
----+-----------------------+---------------------+-------------
1 | Pride and Prejudice | Jane Austen | NULL
2 | To Kill a Mockingbird | Harper Lee | NULL
3 | The Great Gatsby | F. Scott Fitzgerald | NULL
1 | Pride and Prejudice | Jane Austen | NULL
2 | To Kill a Mockingbird | Harper Lee | NULL
3 | The Great Gatsby | F. Scott Fitzgerald | NULL
(3 rows)
```

Expand All @@ -253,14 +253,16 @@ Let's verify that the table is back to how it was before:

```sh
presto:minio> SELECT * FROM books;
id | title | author | checked_out
id | title | author | checked_out
----+-----------------------+---------------------+-------------
1 | Pride and Prejudice | Jane Austen | NULL
2 | To Kill a Mockingbird | Harper Lee | NULL
3 | The Great Gatsby | F. Scott Fitzgerald | NULL
1 | Pride and Prejudice | Jane Austen | NULL
2 | To Kill a Mockingbird | Harper Lee | NULL
3 | The Great Gatsby | F. Scott Fitzgerald | NULL
(3 rows)
```

Notice that the table still includes the `checked_out` column. This is to be expected because the snapshot only changes when data files are written to. Removing the column would be another schema evolution operation that only changes the `.metadata.json` file and not the snapshot itself.

You just explored some of Iceberg's key features using Presto! Presto's Iceberg connector has more features than those we've gone over today, such as partitioning and partition column transforms, as well as additional features that are soon-to-come!

<img src="https://count.asgharlabs.io/count?p=/lab3_presto_iceberg_page">

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