feat: always use a default workgroup config, instead of retrieving a workgroup config from the AWS API

awswrangler/athena/_executions.py

@@ -22,7 +22,7 @@
     _QUERY_FINAL_STATES,
     _QUERY_WAIT_POLLING_DELAY,
     _apply_formatter,
-    _get_workgroup_config,
+    _get_default_workgroup_config,
     _start_query_execution,
     _WorkGroupConfig,
 )
@@ -149,7 +149,7 @@ def start_query_execution(
         query_execution_id = cache_info.query_execution_id
         _logger.debug("Valid cache found. Retrieving...")
     else:
-        wg_config: _WorkGroupConfig = _get_workgroup_config(session=boto3_session, workgroup=workgroup)
+        wg_config: _WorkGroupConfig = _get_default_workgroup_config()
         query_execution_id = _start_query_execution(
             sql=sql,
             wg_config=wg_config,

awswrangler/athena/_read.py

@@ -22,6 +22,7 @@
     _apply_formatter,
     _apply_query_metadata,
     _empty_dataframe_response,
+    _get_default_workgroup_config,
     _get_query_metadata,
     _get_s3_output,
     _get_workgroup_config,
@@ -431,9 +432,8 @@ def _resolve_query_without_cache_regular(
     dtype_backend: Literal["numpy_nullable", "pyarrow"] = "numpy_nullable",
     client_request_token: str | None = None,
 ) -> pd.DataFrame | Iterator[pd.DataFrame]:
-    wg_config: _WorkGroupConfig = _get_workgroup_config(session=boto3_session, workgroup=workgroup)
-    s3_output = _get_s3_output(s3_output=s3_output, wg_config=wg_config, boto3_session=boto3_session)
-    s3_output = s3_output[:-1] if s3_output[-1] == "/" else s3_output
+    wg_config: _WorkGroupConfig = _get_default_workgroup_config()
+    s3_output = s3_output[:-1] if s3_output and s3_output[-1] == "/" else s3_output
     _logger.debug("Executing sql: %s", sql)
     query_id: str = _start_query_execution(
         sql=sql,
@@ -597,13 +597,13 @@ def _unload(
     athena_query_wait_polling_delay: float,
     execution_params: list[str] | None,
 ) -> _QueryMetadata:
-    wg_config: _WorkGroupConfig = _get_workgroup_config(session=boto3_session, workgroup=workgroup)
+    wg_config: _WorkGroupConfig = _get_workgroup_config(workgroup=workgroup, session=boto3_session)
     s3_output: str = _get_s3_output(s3_output=path, wg_config=wg_config, boto3_session=boto3_session)
-    s3_output = s3_output[:-1] if s3_output[-1] == "/" else s3_output
-    # Athena does not enforce a Query Result Location for UNLOAD. Thus, the workgroup output location
-    # is only used if no path is supplied.
-    if not path:
-        path = s3_output
+    s3_output = s3_output[:-1] if s3_output and s3_output[-1] == "/" else s3_output
+    if not s3_output:
+        raise exceptions.InvalidArgumentValue(
+            "Output S3 location is required for UNLOAD, either as the path argument or as a workgroup configuration"
+        )
 
     # Set UNLOAD parameters
     unload_parameters = f"  format='{file_format}'"
@@ -614,7 +614,7 @@ def _unload(
     if partitioned_by:
         unload_parameters += f"  , partitioned_by=ARRAY{partitioned_by}"
 
-    sql = f"UNLOAD ({sql}) TO '{path}' WITH ({unload_parameters})"
+    sql = f"UNLOAD ({sql}) TO '{s3_output}' WITH ({unload_parameters})"
     _logger.debug("Executing unload query: %s", sql)
     try:
         query_id: str = _start_query_execution(

awswrangler/athena/_utils.py

@@ -93,17 +93,20 @@ def _start_query_execution(
     args: dict[str, Any] = {"QueryString": sql}
 
     # s3_output
-    args["ResultConfiguration"] = {
-        "OutputLocation": _get_s3_output(s3_output=s3_output, wg_config=wg_config, boto3_session=boto3_session)
-    }
+    if s3_output:
+        args["ResultConfiguration"] = {"OutputLocation": s3_output}
 
     # encryption
     if wg_config.enforced is True:
+        if "ResultConfiguration" not in args:
+            args["ResultConfiguration"] = {}
         if wg_config.encryption is not None:
             args["ResultConfiguration"]["EncryptionConfiguration"] = {"EncryptionOption": wg_config.encryption}
             if wg_config.kms_key is not None:
                 args["ResultConfiguration"]["EncryptionConfiguration"]["KmsKey"] = wg_config.kms_key
     elif encryption is not None:
+        if "ResultConfiguration" not in args:
+            args["ResultConfiguration"] = {}
         args["ResultConfiguration"]["EncryptionConfiguration"] = {"EncryptionOption": encryption}
         if kms_key is not None:
             args["ResultConfiguration"]["EncryptionConfiguration"]["KmsKey"] = kms_key
@@ -140,6 +143,12 @@ def _start_query_execution(
     return response["QueryExecutionId"]
 
 
+def _get_default_workgroup_config() -> _WorkGroupConfig:
+    wg_config: _WorkGroupConfig = _WorkGroupConfig(enforced=False, s3_output=None, encryption=None, kms_key=None)
+    _logger.debug("Default workgroup config:\n%s", wg_config)
+    return wg_config
+
+
 def _get_workgroup_config(session: boto3.Session | None = None, workgroup: str = "primary") -> _WorkGroupConfig:
     enforced: bool
     wg_s3_output: str | None
@@ -783,9 +792,8 @@ def create_ctas_table(
 
     fully_qualified_name = f'"{ctas_database}"."{ctas_table}"'
 
-    wg_config: _WorkGroupConfig = _get_workgroup_config(session=boto3_session, workgroup=workgroup)
-    s3_output = _get_s3_output(s3_output=s3_output, wg_config=wg_config, boto3_session=boto3_session)
-    s3_output = s3_output[:-1] if s3_output[-1] == "/" else s3_output
+    wg_config: _WorkGroupConfig = _get_default_workgroup_config()
+    s3_output = s3_output[:-1] if s3_output and s3_output[-1] == "/" else s3_output
     # If the workgroup enforces an external location, then it overrides the user supplied argument
     external_location_str: str = (
         f"    external_location = '{s3_output}/{ctas_table}',\n" if (not wg_config.enforced) and (s3_output) else ""

awswrangler/athena/_write_iceberg.py

@@ -15,7 +15,7 @@
 from awswrangler._config import apply_configs
 from awswrangler.athena._executions import wait_query
 from awswrangler.athena._utils import (
-    _get_workgroup_config,
+    _get_default_workgroup_config,
     _start_query_execution,
     _WorkGroupConfig,
 )
@@ -303,7 +303,7 @@ def _merge_iceberg(
     None
 
     """
-    wg_config: _WorkGroupConfig = _get_workgroup_config(session=boto3_session, workgroup=workgroup)
+    wg_config: _WorkGroupConfig = _get_default_workgroup_config()
 
     sql_statement: str
     if merge_cols:
@@ -488,7 +488,7 @@ def to_iceberg(  # noqa: PLR0913
     ... )
 
     """
-    wg_config: _WorkGroupConfig = _get_workgroup_config(session=boto3_session, workgroup=workgroup)
+    wg_config: _WorkGroupConfig = _get_default_workgroup_config()
     temp_table: str = f"temp_table_{uuid.uuid4().hex}"
 
     _validate_args(
@@ -743,7 +743,7 @@ def delete_from_iceberg_table(
     if not merge_cols:
         raise exceptions.InvalidArgumentValue("Merge columns must be specified.")
 
-    wg_config: _WorkGroupConfig = _get_workgroup_config(session=boto3_session, workgroup=workgroup)
+    wg_config: _WorkGroupConfig = _get_default_workgroup_config()
     temp_table: str = f"temp_table_{uuid.uuid4().hex}"
 
     if not temp_path and not wg_config.s3_output: