feat: improve event logging for queries + refactor

docs/docs/contributing/testing-locally.mdx

@@ -83,9 +83,20 @@ To run a single test file:
 npm run test -- path/to/file.js
 ```
 
-### Integration Testing
+### e2e Integration Testing
 
-We use [Cypress](https://www.cypress.io/) for integration tests. Tests can be run by `tox -e cypress`. To open Cypress and explore tests first setup and run test server:
+We use [Cypress](https://www.cypress.io/) for end-to-end integration
+tests. One easy option to get started quickly is to leverage `tox` to
+run the whole suite in an isolated environment.
+
+```bash
+tox -e cypress
+```
+
+Alternatively, you can go lower level and set things up in your
+development environment by following these steps:
+
+First set up a python/flask backend:
 
 ```bash
 export SUPERSET_CONFIG=tests.integration_tests.superset_test_config
@@ -98,7 +109,7 @@ superset load-examples --load-test-data
 superset run --port 8081
 ```
 
-Run Cypress tests:
+In another terminal, prepare the frontend and run Cypress tests:
 
 ```bash
 cd superset-frontend

pyproject.toml

@@ -267,6 +267,7 @@ usedevelop = true
 allowlist_externals =
     npm
     pkill
+    {toxinidir}/superset-frontend/cypress_build.sh
 
 [testenv:cypress]
 setenv =

superset/config.py

@@ -74,6 +74,9 @@
 
 # Realtime stats logger, a StatsD implementation exists
 STATS_LOGGER = DummyStatsLogger()
+
+# By default will log events to the metadata database with `DBEventLogger`
+# Note that you can use `StdOutEventLogger` for debugging
 EVENT_LOGGER = DBEventLogger()
 
 SUPERSET_LOG_VIEW = True

superset/connectors/sqla/models.py

@@ -1398,20 +1398,6 @@ def get_fetch_values_predicate(
                 )
             ) from ex
 
-    def mutate_query_from_config(self, sql: str) -> str:
-        """Apply config's SQL_QUERY_MUTATOR
-
-        Typically adds comments to the query with context"""
-        sql_query_mutator = config["SQL_QUERY_MUTATOR"]
-        mutate_after_split = config["MUTATE_AFTER_SPLIT"]
-        if sql_query_mutator and not mutate_after_split:
-            sql = sql_query_mutator(
-                sql,
-                security_manager=security_manager,
-                database=self.database,
-            )
-        return sql
-
     def get_template_processor(self, **kwargs: Any) -> BaseTemplateProcessor:
         return get_template_processor(table=self, database=self.database, **kwargs)
 

superset/db_engine_specs/base.py

@@ -58,7 +58,7 @@
 from sqlalchemy.types import TypeEngine
 from sqlparse.tokens import CTE
 
-from superset import security_manager, sql_parse
+from superset import sql_parse
 from superset.constants import TimeGrain as TimeGrainConstants
 from superset.databases.utils import make_url_safe
 from superset.errors import ErrorLevel, SupersetError, SupersetErrorType
@@ -1669,16 +1669,8 @@ def process_statement(cls, statement: str, database: Database) -> str:
         """
         parsed_query = ParsedQuery(statement, engine=cls.engine)
         sql = parsed_query.stripped()
-        sql_query_mutator = current_app.config["SQL_QUERY_MUTATOR"]
-        mutate_after_split = current_app.config["MUTATE_AFTER_SPLIT"]
-        if sql_query_mutator and not mutate_after_split:
-            sql = sql_query_mutator(
-                sql,
-                security_manager=security_manager,
-                database=database,
-            )
 
-        return sql
+        return database.mutate_sql_based_on_config(sql, is_split=True)
 
     @classmethod
     def estimate_query_cost(

superset/models/core.py

@@ -66,6 +66,7 @@
 from superset.extensions import (
     cache_manager,
     encrypted_field_factory,
+    event_logger,
     security_manager,
     ssh_manager_factory,
 )
@@ -564,6 +565,20 @@ def get_default_schema_for_query(self, query: Query) -> str | None:
         """
         return self.db_engine_spec.get_default_schema_for_query(self, query)
 
+    @staticmethod
+    def post_process_df(df: pd.DataFrame) -> pd.DataFrame:
+        def column_needs_conversion(df_series: pd.Series) -> bool:
+            return (
+                not df_series.empty
+                and isinstance(df_series, pd.Series)
+                and isinstance(df_series[0], (list, dict))
+            )
+
+        for col, coltype in df.dtypes.to_dict().items():
+            if coltype == numpy.object_ and column_needs_conversion(df[col]):
+                df[col] = df[col].apply(utils.json_dumps_w_dates)
+        return df
+
     @property
     def quote_identifier(self) -> Callable[[str], str]:
         """Add quotes to potential identifier expressions if needed"""
@@ -572,7 +587,27 @@ def quote_identifier(self) -> Callable[[str], str]:
     def get_reserved_words(self) -> set[str]:
         return self.get_dialect().preparer.reserved_words
 
-    def get_df(  # pylint: disable=too-many-locals
+    def mutate_sql_based_on_config(self, sql_: str, is_split: bool = False) -> str:
+        """
+        Mutates the SQL query based on the app configuration.
+
+        Two config params here affect the behavior of the SQL query mutator:
+        - `SQL_QUERY_MUTATOR`: A user-provided function that mutates the SQL query.
+        - `MUTATE_AFTER_SPLIT`: If True, the SQL query mutator is only called after the
+          sql is broken down into smaller queries. If False, the SQL query mutator applies
+          on the group of queries as a whole. Here the called passes the context
+          as to whether the SQL is split or already.
+        """
+        sql_mutator = config["SQL_QUERY_MUTATOR"]
+        if sql_mutator and (is_split == config["MUTATE_AFTER_SPLIT"]):
+            return sql_mutator(
+                sql_,
+                security_manager=security_manager,
+                database=self,
+            )
+        return sql_
+
+    def get_df(
         self,
         sql: str,
         schema: str | None = None,
@@ -581,15 +616,6 @@ def get_df(  # pylint: disable=too-many-locals
         sqls = self.db_engine_spec.parse_sql(sql)
         with self.get_sqla_engine(schema) as engine:
             engine_url = engine.url
-        mutate_after_split = config["MUTATE_AFTER_SPLIT"]
-        sql_query_mutator = config["SQL_QUERY_MUTATOR"]
-
-        def needs_conversion(df_series: pd.Series) -> bool:
-            return (
-                not df_series.empty
-                and isinstance(df_series, pd.Series)
-                and isinstance(df_series[0], (list, dict))
-            )
 
         def _log_query(sql: str) -> None:
             if log_query:
@@ -603,42 +629,30 @@ def _log_query(sql: str) -> None:
 
         with self.get_raw_connection(schema=schema) as conn:
             cursor = conn.cursor()
-            for sql_ in sqls[:-1]:
-                if mutate_after_split:
-                    sql_ = sql_query_mutator(
-                        sql_,
-                        security_manager=security_manager,
-                        database=None,
-                    )
+            df = None
+            for i, sql_ in enumerate(sqls):
+                sql_ = self.mutate_sql_based_on_config(sql_, is_split=True)
                 _log_query(sql_)
-                self.db_engine_spec.execute(cursor, sql_, self)
-                cursor.fetchall()
-
-            if mutate_after_split:
-                last_sql = sql_query_mutator(
-                    sqls[-1],
-                    security_manager=security_manager,
-                    database=None,
-                )
-                _log_query(last_sql)
-                self.db_engine_spec.execute(cursor, last_sql, self)
-            else:
-                _log_query(sqls[-1])
-                self.db_engine_spec.execute(cursor, sqls[-1], self)
-
-            data = self.db_engine_spec.fetch_data(cursor)
-            result_set = SupersetResultSet(
-                data, cursor.description, self.db_engine_spec
-            )
-            df = result_set.to_pandas_df()
+                with event_logger.log_context(
+                    action="execute_sql",
+                    database=self,
+                    object_ref=__name__,
+                ):
+                    self.db_engine_spec.execute(cursor, sql_, self)
+                    if i < len(sqls) - 1:
+                        # If it's not the last, we don't keep the results
+                        cursor.fetchall()
+                    else:
+                        # Last query, fetch and process the results
+                        data = self.db_engine_spec.fetch_data(cursor)
+                        result_set = SupersetResultSet(
+                            data, cursor.description, self.db_engine_spec
+                        )
+                        df = result_set.to_pandas_df()
             if mutator:
                 df = mutator(df)
 
-            for col, coltype in df.dtypes.to_dict().items():
-                if coltype == numpy.object_ and needs_conversion(df[col]):
-                    df[col] = df[col].apply(utils.json_dumps_w_dates)
-
-            return df
+            return self.post_process_df(df)
 
     def compile_sqla_query(self, qry: Select, schema: str | None = None) -> str:
         with self.get_sqla_engine(schema) as engine:

superset/models/helpers.py

@@ -880,18 +880,6 @@ def make_sqla_column_compatible(
         sqla_col.key = label_expected
         return sqla_col
 
-    def mutate_query_from_config(self, sql: str) -> str:
-        """Apply config's SQL_QUERY_MUTATOR
-
-        Typically adds comments to the query with context"""
-        if sql_query_mutator := config["SQL_QUERY_MUTATOR"]:
-            sql = sql_query_mutator(
-                sql,
-                security_manager=security_manager,
-                database=self.database,
-            )
-        return sql
-
     @staticmethod
     def _apply_cte(sql: str, cte: Optional[str]) -> str:
         """
@@ -919,7 +907,7 @@ def get_query_str_extended(
             logger.warning("Unable to parse SQL to format it, passing it as-is")
 
         if mutate:
-            sql = self.mutate_query_from_config(sql)
+            sql = self.database.mutate_sql_based_on_config(sql)
         return QueryStringExtended(
             applied_template_filters=sqlaq.applied_template_filters,
             applied_filter_columns=sqlaq.applied_filter_columns,
@@ -1393,7 +1381,7 @@ def values_for_column(
         with self.database.get_sqla_engine() as engine:
             sql = qry.compile(engine, compile_kwargs={"literal_binds": True})
             sql = self._apply_cte(sql, cte)
-            sql = self.mutate_query_from_config(sql)
+            sql = self.database.mutate_sql_based_on_config(sql)
 
             df = pd.read_sql_query(sql=sql, con=engine)
             # replace NaN with None to ensure it can be serialized to JSON

superset/sql_lab.py

@@ -46,7 +46,7 @@
     SupersetErrorException,
     SupersetErrorsException,
 )
-from superset.extensions import celery_app
+from superset.extensions import celery_app, event_logger
 from superset.models.core import Database
 from superset.models.sql_lab import Query
 from superset.result_set import SupersetResultSet
@@ -73,7 +73,6 @@
 SQLLAB_HARD_TIMEOUT = SQLLAB_TIMEOUT + 60
 SQL_MAX_ROW = config["SQL_MAX_ROW"]
 SQLLAB_CTAS_NO_LIMIT = config["SQLLAB_CTAS_NO_LIMIT"]
-SQL_QUERY_MUTATOR = config["SQL_QUERY_MUTATOR"]
 log_query = config["QUERY_LOGGER"]
 logger = logging.getLogger(__name__)
 
@@ -264,11 +263,7 @@ def execute_sql_statement(  # pylint: disable=too-many-statements
         sql = apply_limit_if_exists(database, increased_limit, query, sql)
 
     # Hook to allow environment-specific mutation (usually comments) to the SQL
-    sql = SQL_QUERY_MUTATOR(
-        sql,
-        security_manager=security_manager,
-        database=database,
-    )
+    sql = database.mutate_sql_based_on_config(sql)
     try:
         query.executed_sql = sql
         if log_query:
@@ -281,21 +276,26 @@ def execute_sql_statement(  # pylint: disable=too-many-statements
                 log_params,
             )
         db.session.commit()
-        with stats_timing("sqllab.query.time_executing_query", stats_logger):
-            db_engine_spec.execute_with_cursor(cursor, sql, query)
-
-        with stats_timing("sqllab.query.time_fetching_results", stats_logger):
-            logger.debug(
-                "Query %d: Fetching data for query object: %s",
-                query.id,
-                str(query.to_dict()),
-            )
-            data = db_engine_spec.fetch_data(cursor, increased_limit)
-            if query.limit is None or len(data) <= query.limit:
-                query.limiting_factor = LimitingFactor.NOT_LIMITED
-            else:
-                # return 1 row less than increased_query
-                data = data[:-1]
+        with event_logger.log_context(
+            action="execute_sql",
+            database=database,
+            object_ref=__name__,
+        ):
+            with stats_timing("sqllab.query.time_executing_query", stats_logger):
+                db_engine_spec.execute_with_cursor(cursor, sql, query)
+
+            with stats_timing("sqllab.query.time_fetching_results", stats_logger):
+                logger.debug(
+                    "Query %d: Fetching data for query object: %s",
+                    query.id,
+                    str(query.to_dict()),
+                )
+                data = db_engine_spec.fetch_data(cursor, increased_limit)
+                if query.limit is None or len(data) <= query.limit:
+                    query.limiting_factor = LimitingFactor.NOT_LIMITED
+                else:
+                    # return 1 row less than increased_query
+                    data = data[:-1]
     except SoftTimeLimitExceeded as ex:
         query.status = QueryStatus.TIMED_OUT
 

superset/sql_validators/presto_db.py

@@ -20,7 +20,7 @@
 from contextlib import closing
 from typing import Any, Optional
 
-from superset import app, security_manager
+from superset import app
 from superset.models.core import Database
 from superset.sql_parse import ParsedQuery
 from superset.sql_validators.base import BaseSQLValidator, SQLValidationAnnotation
@@ -54,12 +54,7 @@ def validate_statement(
         sql = parsed_query.stripped()
 
         # Hook to allow environment-specific mutation (usually comments) to the SQL
-        if sql_query_mutator := config["SQL_QUERY_MUTATOR"]:
-            sql = sql_query_mutator(
-                sql,
-                security_manager=security_manager,
-                database=database,
-            )
+        sql = database.mutate_sql_based_on_config(sql)
 
         # Transform the final statement to an explain call before sending it on
         # to presto to validate

superset/utils/core.py

@@ -1907,3 +1907,10 @@ def remove_extra_adhoc_filters(form_data: dict[str, Any]) -> None:
         form_data[key] = [
             filter_ for filter_ in value or [] if not filter_.get("isExtra")
         ]
+
+
+def to_int(v: Any, value_if_invalid: int = 0) -> int:
+    try:
+        return int(v)
+    except (ValueError, TypeError):
+        return value_if_invalid