Query Planners
amsdal_glue.planners.DefaultSchemaQueryPlanner ¶
Bases: SchemaQueryPlanner
DefaultSchemaQueryPlanner is responsible for planning schema queries by creating a chain of tasks that execute schema queries. It extends the SchemaQueryPlanner class.
plan_schema_query ¶
plan_schema_query(filters=None)
Plans the execution of a schema query by creating a chain of tasks.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
filters
|
Conditions | None
|
The conditions to filter the schema query. |
None
|
Returns:
| Name | Type | Description |
|---|---|---|
ChainTask |
ChainTask
|
A chain of tasks that execute the schema query. |
amsdal_glue.planners.DefaultDataQueryPlanner ¶
Bases: DefaultDataQueryPlannerMixin, DataQueryPlanner
DefaultDataQueryPlanner is responsible for planning data queries by creating a chain of tasks that execute data queries. It extends the DataQueryPlanner class.
plan_data_query ¶
plan_data_query(query)
Plans the execution of a data query by creating a chain of tasks.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
query
|
QueryStatement
|
The data query statement to be executed. |
required |
Returns:
| Name | Type | Description |
|---|---|---|
ChainTask |
ChainTask
|
A chain of tasks that execute the data query. |