docs: Fix DuckLake param prefixes, Kafka default, and missing keyword (#1442)

Author: claudespice

website/docs/components/catalogs/ducklake.md

@@ -40,7 +40,7 @@ Supported connection string formats:
 | AWS S3     | `ducklake:s3://bucket/path/metadata.ducklake`                                |
 | PostgreSQL | `ducklake:postgres:dbname=mydb host=localhost user=postgres password=secret` |
 
-The connection string can also be provided via the `connection_string` parameter.
+The connection string can also be provided via the `ducklake_connection_string` parameter.
 
 ## `name`
 
@@ -70,11 +70,11 @@ The `access` field controls what operations are allowed on the catalog:
 
 ## `params`
 
-| Parameter Name      | Description                                                                                                                                           |
-| ------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `connection_string` | The DuckLake metadata location (e.g., `s3://bucket/path/metadata.ducklake`). If omitted, the value from `from: ducklake:<connection_string>` is used. |
-| `name`              | The name to attach the DuckLake catalog as in DuckDB. Default: `ducklake`.                                                                            |
-| `open`              | Path to an existing DuckDB file for persistent storage. If not provided, an in-memory DuckDB instance is used.                                        |
+| Parameter Name               | Description                                                                                                                                           |
+| ---------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `ducklake_connection_string` | The DuckLake metadata location (e.g., `s3://bucket/path/metadata.ducklake`). If omitted, the value from `from: ducklake:<connection_string>` is used. |
+| `ducklake_name`              | The name to attach the DuckLake catalog as in DuckDB. Default: `ducklake`.                                                                            |
+| `ducklake_open`              | Path to an existing DuckDB file for persistent storage. If not provided, an in-memory DuckDB instance is used.                                        |
 
 ## Authentication
 
@@ -115,7 +115,7 @@ catalogs:
   - from: ducklake
     name: my_lakehouse
     params:
-      connection_string: "postgres:dbname=ducklake_catalog host=localhost user=postgres password=${secrets:PASSWORD}"
+      ducklake_connection_string: "postgres:dbname=ducklake_catalog host=localhost user=postgres password=${secrets:PASSWORD}"
 ```
 
 ### Read-write with DDL support

website/docs/components/data-connectors/ducklake.md

@@ -16,7 +16,7 @@ datasets:
   - from: ducklake:my_table
     name: my_table
     params:
-      connection_string: s3://my-bucket/path/metadata.ducklake
+      ducklake_connection_string: s3://my-bucket/path/metadata.ducklake
 ```
 
 ## Configuration
@@ -39,7 +39,7 @@ datasets:
   - from: ducklake:customer
     name: tpch_customer
     params:
-      connection_string: s3://my-bucket/metadata.ducklake
+      ducklake_connection_string: s3://my-bucket/metadata.ducklake
 ```
 
 ```sql
@@ -50,11 +50,11 @@ The dataset name cannot be a [reserved keyword](../../reference/spicepod/keyword
 
 ### `params`
 
-| Parameter Name      | Description                                                                                                    |
-| ------------------- | -------------------------------------------------------------------------------------------------------------- |
-| `connection_string` | **Required**. The DuckLake metadata location (e.g., `s3://bucket/path/metadata.ducklake`).                     |
-| `name`              | The name to attach the DuckLake catalog as in DuckDB. Default: `ducklake`.                                     |
-| `open`              | Path to an existing DuckDB file for persistent storage. If not provided, an in-memory DuckDB instance is used. |
+| Parameter Name                | Description                                                                                                    |
+| ----------------------------- | -------------------------------------------------------------------------------------------------------------- |
+| `ducklake_connection_string`  | **Required**. The DuckLake metadata location (e.g., `s3://bucket/path/metadata.ducklake`).                     |
+| `ducklake_name`               | The name to attach the DuckLake catalog as in DuckDB. Default: `ducklake`.                                     |
+| `ducklake_open`               | Path to an existing DuckDB file for persistent storage. If not provided, an in-memory DuckDB instance is used. |
 
 ### Connection string formats
 
@@ -95,7 +95,7 @@ datasets:
   - from: ducklake:customer
     name: customer
     params:
-      connection_string: s3://my-bucket/lakehouse/metadata.ducklake
+      ducklake_connection_string: s3://my-bucket/lakehouse/metadata.ducklake
 ```
 
 ### Reading from a specific schema
@@ -105,7 +105,7 @@ datasets:
   - from: ducklake:analytics.events
     name: events
     params:
-      connection_string: s3://my-bucket/metadata.ducklake
+      ducklake_connection_string: s3://my-bucket/metadata.ducklake
 ```
 
 ### PostgreSQL metadata backend
@@ -125,7 +125,7 @@ datasets:
   - from: ducklake:customer
     name: customer
     params: &ducklake_params
-      connection_string: s3://my-bucket/metadata.ducklake
+      ducklake_connection_string: s3://my-bucket/metadata.ducklake
   - from: ducklake:orders
     name: orders
     params: *ducklake_params
@@ -141,7 +141,7 @@ datasets:
   - from: ducklake:customer
     name: customer
     params:
-      connection_string: s3://my-bucket/metadata.ducklake
+      ducklake_connection_string: s3://my-bucket/metadata.ducklake
     acceleration:
       enabled: true
       engine: duckdb

website/docs/components/data-connectors/index.md

@@ -274,7 +274,7 @@ Schema inference happens once, when the dataset is first registered. Some connec
 
 | Connector                             | Parameter                          | Default | Description                                         |
 | ------------------------------------- | ---------------------------------- | ------- | --------------------------------------------------- |
-| [Kafka](data-connectors/kafka)        | `schema_infer_max_records`         | 10      | Number of messages sampled to infer the JSON schema |
+| [Kafka](data-connectors/kafka)        | `schema_infer_max_records`         | 1       | Number of messages sampled to infer the JSON schema |
 | [DynamoDB](data-connectors/dynamodb)  | `schema_infer_max_records`         | 10      | Number of items sampled to infer the schema         |
 | [MongoDB](data-connectors/mongodb)    | `mongodb_num_docs_to_infer_schema` | 400     | Number of documents sampled to infer the schema     |
 | [CSV files](../reference/file_format) | `csv_schema_infer_max_records`     | 1000    | Number of rows sampled to infer the CSV schema      |

website/docs/reference/spicepod/keywords.md

@@ -17,6 +17,7 @@ These keywords apply to all data connectors:
 - `COUNT`
 - `FALSE`
 - `NULL`
+- `TRUE`
 - `END-EXEC`
 - `LATERAL`
 - `TABLE`