gRPC Reference¶

Complete message reference for ui/proto/lakehouse.proto.

CatalogService¶

ListTablesRequest¶

(empty message)

ListTablesResponse¶

Field	Type	Description
`namespaces`	`repeated string`	List of namespace names
`tables`	`repeated string`	List of fully qualified table names

GetSchemaRequest¶

Field	Type	Description
`table_name`	`string`	Fully qualified table name

ColumnInfo¶

Field	Type	Description
`name`	`string`	Column name
`type`	`string`	Spark SQL type
`nullable`	`bool`	Whether the column is nullable
`comment`	`optional string`	Column comment

SchemaResponse¶

Field	Type	Description
`success`	`bool`	Operation success
`table`	`string`	Table name
`columns`	`repeated ColumnInfo`	Column definitions
`error`	`optional string`	Error message

HealthService¶

GetTableHealthRequest¶

Field	Type	Description
`table_name`	`string`	Fully qualified table name

TableHealthResponse¶

Field	Type	Description
`success`	`bool`	Operation success
`table`	`string`	Table name
`snapshot_count`	`int32`	Number of snapshots
`data_file_count`	`int32`	Number of data files
`total_size_bytes`	`int64`	Total data size
`avg_file_size_bytes`	`int64`	Average file size
`small_file_count`	`int32`	Number of small files
`recommendation`	`string`	Maintenance recommendation
`error`	`optional string`	Error message

OperationsService¶

CompactRequest¶

Field	Type	Description
`table`	`string`	Fully qualified table name
`strategy`	`string`	`binpack`, `sort`, or `zorder`
`options`	`map<string, string>`	Additional compaction options

ExpireRequest¶

Field	Type	Description
`table`	`string`	Fully qualified table name
`retain_last`	`int32`	Number of snapshots to retain
`older_than`	`optional string`	Expire before this timestamp

RemoveOrphansRequest¶

Field	Type	Description
`table`	`string`	Fully qualified table name
`dry_run`	`bool`	List files without removing

OperationResponse¶

Field	Type	Description
`success`	`bool`	Operation success
`operation`	`string`	Operation name
`table`	`string`	Table name
`details_json`	`string`	JSON-encoded result details
`error`	`optional string`	Error message

AddColumnRequest¶

Field	Type	Description
`table`	`string`	Fully qualified table name
`name`	`string`	New column name
`type`	`string`	Spark SQL type
`after`	`optional string`	Position after column
`comment`	`optional string`	Column comment

RenameColumnRequest¶

Field	Type	Description
`table`	`string`	Fully qualified table name
`old_name`	`string`	Current column name
`new_name`	`string`	New column name

DropColumnRequest¶

Field	Type	Description
`table`	`string`	Fully qualified table name
`name`	`string`	Column to drop

StreamingService¶

StartPipelineRequest¶

Field	Type	Description
`source_table`	`string`	Source table for streaming
`sink_table`	`optional string`	Sink table for output
`checkpoint_location`	`optional string`	Checkpoint path
`trigger_interval`	`string`	Trigger interval (e.g., `"10 seconds"`)

StopPipelineRequest¶

Field	Type	Description
`pipeline_id`	`string`	Pipeline to stop

StopPipelineResponse¶

Field	Type	Description
`success`	`bool`	Operation success
`pipeline_id`	`string`	Pipeline ID
`status`	`string`	Final status
`error`	`optional string`	Error message

GetPipelineStatusRequest¶

Field	Type	Description
`pipeline_id`	`string`	Pipeline to query

PipelineStatusResponse¶

Field	Type	Description
`pipeline_id`	`string`	Pipeline ID
`status`	`string`	Current status
`batches_processed`	`int64`	Batches completed
`rows_processed`	`int64`	Rows processed
`error`	`optional string`	Error message

ListPipelinesRequest¶

(empty message)

PipelineInfo¶

Field	Type	Description
`id`	`string`	Pipeline ID
`status`	`string`	Current status
`source`	`string`	Source table

ListPipelinesResponse¶

Field	Type	Description
`pipelines`	`repeated PipelineInfo`	All pipelines

MonitorMetricsRequest¶

Field	Type	Description
`pipeline_id`	`optional string`	Filter by pipeline (all if empty)

PipelineMetrics (server-streaming)¶

Field	Type	Description
`pipeline_id`	`string`	Pipeline ID
`status`	`string`	Current status
`batches_processed`	`int64`	Batches completed
`rows_processed`	`int64`	Rows processed

AgentService¶

ChatRequest¶

Field	Type	Description
`prompt`	`string`	Natural language prompt
`provider`	`string`	LLM provider
`model`	`string`	Model name
`api_base`	`optional string`	Custom API endpoint

ToolCallInfo¶

Field	Type	Description
`tool`	`string`	Tool name
`arguments_json`	`string`	JSON-encoded arguments
`result_json`	`string`	JSON-encoded result

ChatResponse¶

Field	Type	Description
`success`	`bool`	Operation success
`response`	`string`	Agent response text
`tool_calls`	`repeated ToolCallInfo`	Tools invoked
`error`	`optional string`	Error message

ChatStreamEvent (server-streaming)¶

Field	Type	Description
`event_type`	`string`	`tool_call`, `response`, `error`, `done`
`data_json`	`string`	JSON-encoded payload

ConfigService¶

GetConfigRequest¶

(empty message)

ConfigResponse¶

Field	Type	Description
`configured`	`bool`	Whether catalog is configured
`catalog_type`	`optional string`	Catalog type
`warehouse`	`optional string`	Warehouse path
`catalog_name`	`optional string`	Catalog name
`uri`	`optional string`	Catalog URI
`extra_props`	`map<string, string>`	Additional properties

SetConfigRequest¶

Field	Type	Description
`catalog_type`	`string`	Catalog type
`warehouse`	`string`	Warehouse path
`catalog_name`	`string`	Catalog name
`uri`	`optional string`	Catalog URI
`extra_props`	`map<string, string>`	Additional properties

SetConfigResponse¶

Field	Type	Description
`success`	`bool`	Operation success
`catalog_type`	`optional string`	Applied catalog type
`warehouse`	`optional string`	Applied warehouse
`catalog_name`	`optional string`	Applied catalog name
`uri`	`optional string`	Applied URI