TheNeuralBit commented on code in PR #17298: URL: https://github.com/apache/beam/pull/17298#discussion_r844252364
########## website/www/site/content/en/documentation/dsls/sql/walkthrough.md: ########## @@ -20,18 +20,15 @@ limitations under the License. This page illustrates the usage of Beam SQL with example code. -## Row +## Beam Schemas and Rows -Before applying a SQL query to a `PCollection`, the data in the collection must -be in `Row` format. A `Row` represents a single, immutable record in a Beam SQL -`PCollection`. The names and types of the fields/columns in the row are defined -by its associated [Schema](https://beam.apache.org/releases/javadoc/{{< param release_latest >}}/index.html?org/apache/beam/sdk/schemas/Schema.html). -You can use the [Schema.builder()](https://beam.apache.org/releases/javadoc/{{< param release_latest >}}/index.html?org/apache/beam/sdk/schemas/Schema.html) to create -`Schemas`. See [Data -Types](/documentation/dsls/sql/data-types) for more details on supported primitive data types. +A SQL query can only be applied to a a `PCollection<T>` +where `T` has a schema registered (preferred), or a `PCollection<Row>`. See the Review Comment: Done -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
