Fix #19489: Optimise multithreading for lineage

ingestion/src/metadata/ingestion/lineage/masker.py

@@ -14,8 +14,7 @@
 
 import traceback
 
-import sqlparse
-from sqlfluff.core import Linter
+from collate_sqllineage.runner import SQLPARSE_DIALECT, LineageRunner
 from sqlparse.sql import Comparison
 from sqlparse.tokens import Literal, Number, String
 
@@ -24,25 +23,22 @@
 MASK_TOKEN = "?"
 
 
+# pylint: disable=protected-access
 def get_logger():
     # pylint: disable=import-outside-toplevel
     from metadata.utils.logger import utils_logger
 
     return utils_logger()
 
 
-def mask_literals_with_sqlparse(query: str):
+def mask_literals_with_sqlparse(query: str, parser: LineageRunner):
     """
     Mask literals in a query using sqlparse.
     """
     logger = get_logger()
 
     try:
-        parsed = sqlparse.parse(query)  # Parse the query
-
-        if not parsed:
-            return query
-        parsed = parsed[0]
+        parsed = parser._parsed_result
 
         def mask_token(token):
             # Mask all literals: strings, numbers, or other literal values
@@ -79,17 +75,16 @@ def mask_token(token):
     return query
 
 
-def mask_literals_with_sqlfluff(query: str, dialect: str = Dialect.ANSI.value) -> str:
+def mask_literals_with_sqlfluff(query: str, parser: LineageRunner) -> str:
     """
     Mask literals in a query using SQLFluff.
     """
     logger = get_logger()
     try:
-        # Initialize SQLFluff linter
-        linter = Linter(dialect=dialect)
+        if not parser._evaluated:
+            parser._eval()
 
-        # Parse the query
-        parsed = linter.parse_string(query)
+        parsed = parser._parsed_result
 
         def replace_literals(segment):
             """Recursively replace literals with placeholders."""
@@ -114,17 +109,21 @@ def replace_literals(segment):
     return query
 
 
-def mask_query(query: str, dialect: str = Dialect.ANSI.value) -> str:
+def mask_query(
+    query: str, dialect: str = Dialect.ANSI.value, parser: LineageRunner = None
+) -> str:
     logger = get_logger()
     try:
-        sqlfluff_masked_query = mask_literals_with_sqlfluff(query, dialect)
-        sqlparse_masked_query = mask_literals_with_sqlparse(query)
-        # compare both masked queries and return the one with more masked tokens
-        if sqlfluff_masked_query.count(MASK_TOKEN) >= sqlparse_masked_query.count(
-            MASK_TOKEN
-        ):
-            return sqlfluff_masked_query
-        return sqlparse_masked_query
+        if not parser:
+            try:
+                parser = LineageRunner(query, dialect=dialect)
+                len(parser.source_tables)
+            except Exception:
+                parser = LineageRunner(query)
+                len(parser.source_tables)
+        if parser._dialect == SQLPARSE_DIALECT:
+            return mask_literals_with_sqlparse(query, parser)
+        return mask_literals_with_sqlfluff(query, parser)
     except Exception as exc:
         logger.debug(f"Failed to mask query with sqlfluff: {exc}")
         logger.debug(traceback.format_exc())

ingestion/src/metadata/ingestion/lineage/parser.py

@@ -71,12 +71,13 @@ def __init__(
         self.query_parsing_success = True
         self.query_parsing_failure_reason = None
         self.dialect = dialect
-        self._masked_query = mask_query(self.query, dialect.value)
+        self.masked_query = None
         self._clean_query = self.clean_raw_query(query)
-        self._masked_clean_query = mask_query(self._clean_query, dialect.value)
         self.parser = self._evaluate_best_parser(
             self._clean_query, dialect=dialect, timeout_seconds=timeout_seconds
         )
+        if self.masked_query is None:
+            self.masked_query = mask_query(self._clean_query, parser=self.parser)
 
     @cached_property
     def involved_tables(self) -> Optional[List[Table]]:
@@ -95,7 +96,7 @@ def involved_tables(self) -> Optional[List[Table]]:
         except SQLLineageException as exc:
             logger.debug(traceback.format_exc())
             logger.warning(
-                f"Cannot extract source table information from query [{self._masked_query}]: {exc}"
+                f"Cannot extract source table information from query [{self.masked_query or self.query}]: {exc}"
             )
             return None
 
@@ -334,12 +335,10 @@ def stateful_add_joins_from_statement(
                 )
 
                 if not table_left or not table_right:
-                    logger.warning(
-                        f"Can't extract table names when parsing JOIN information from {comparison}"
-                    )
                     logger.debug(
-                        f"Query: {mask_query(sql_statement, self.dialect.value)}"
+                        f"Can't extract table names when parsing JOIN information from {comparison}"
                     )
+                    logger.debug(f"Query: {self.masked_query}")
                     continue
 
                 left_table_column = TableColumn(table=table_left, column=column_left)
@@ -422,10 +421,9 @@ def get_sqlfluff_lineage_runner(qry: str, dlct: str) -> LineageRunner:
             lr_dialect.get_column_lineage()
             return lr_dialect
 
-        sqlfluff_count = 0
         try:
             lr_sqlfluff = get_sqlfluff_lineage_runner(query, dialect.value)
-            sqlfluff_count = len(lr_sqlfluff.get_column_lineage()) + len(
+            _ = len(lr_sqlfluff.get_column_lineage()) + len(
                 set(lr_sqlfluff.source_tables).union(
                     set(lr_sqlfluff.target_tables).union(
                         set(lr_sqlfluff.intermediate_tables)
@@ -438,23 +436,20 @@ def get_sqlfluff_lineage_runner(qry: str, dlct: str) -> LineageRunner:
                 f"Lineage with SqlFluff failed for the [{dialect.value}]. "
                 f"Parser has been running for more than {timeout_seconds} seconds."
             )
-            logger.debug(
-                f"{self.query_parsing_failure_reason}] query: [{self._masked_clean_query}]"
-            )
             lr_sqlfluff = None
         except Exception:
             self.query_parsing_success = False
             self.query_parsing_failure_reason = (
                 f"Lineage with SqlFluff failed for the [{dialect.value}]"
             )
-            logger.debug(
-                f"{self.query_parsing_failure_reason} query: [{self._masked_clean_query}]"
-            )
             lr_sqlfluff = None
 
+        if lr_sqlfluff:
+            return lr_sqlfluff
+
         lr_sqlparser = LineageRunner(query)
         try:
-            sqlparser_count = len(lr_sqlparser.get_column_lineage()) + len(
+            _ = len(lr_sqlparser.get_column_lineage()) + len(
                 set(lr_sqlparser.source_tables).union(
                     set(lr_sqlparser.target_tables).union(
                         set(lr_sqlparser.intermediate_tables)
@@ -463,21 +458,13 @@ def get_sqlfluff_lineage_runner(qry: str, dlct: str) -> LineageRunner:
             )
         except Exception:
             # if both runner have failed we return the usual one
+            logger.debug(f"Failed to parse query with sqlparse & sqlfluff: {query}")
             return lr_sqlfluff if lr_sqlfluff else lr_sqlparser
 
-        if lr_sqlfluff:
-            # if sqlparser retrieve more lineage info that sqlfluff
-            if sqlparser_count > sqlfluff_count:
-                self.query_parsing_success = False
-                self.query_parsing_failure_reason = (
-                    "Lineage computed with SqlFluff did not perform as expected "
-                    f"for the [{dialect.value}]"
-                )
-                logger.debug(
-                    f"{self.query_parsing_failure_reason} query: [{self._masked_clean_query}]"
-                )
-                return lr_sqlparser
-            return lr_sqlfluff
+        self.masked_query = mask_query(self._clean_query, parser=lr_sqlparser)
+        logger.debug(
+            f"Using sqlparse for lineage parsing for query: {self.masked_query}"
+        )
         return lr_sqlparser
 
     @staticmethod

ingestion/src/metadata/ingestion/lineage/sql_lineage.py

@@ -37,7 +37,6 @@
 from metadata.generated.schema.type.entityLineage import Source as LineageSource
 from metadata.generated.schema.type.entityReference import EntityReference
 from metadata.ingestion.api.models import Either
-from metadata.ingestion.lineage.masker import mask_query
 from metadata.ingestion.lineage.models import (
     Dialect,
     QueryParsingError,
@@ -614,11 +613,11 @@ def get_lineage_by_query(
     """
     column_lineage = {}
     query_parsing_failures = QueryParsingFailures()
-    masked_query = mask_query(query, dialect.value)
 
     try:
-        logger.debug(f"Running lineage with query: {masked_query}")
         lineage_parser = LineageParser(query, dialect, timeout_seconds=timeout_seconds)
+        masked_query = lineage_parser.masked_query or query
+        logger.debug(f"Running lineage with query: {masked_query}")
 
         raw_column_lineage = lineage_parser.column_lineage
         column_lineage.update(populate_column_lineage_map(raw_column_lineage))
@@ -715,11 +714,11 @@ def get_lineage_via_table_entity(
     """Get lineage from table entity"""
     column_lineage = {}
     query_parsing_failures = QueryParsingFailures()
-    masked_query = mask_query(query, dialect.value)
 
     try:
-        logger.debug(f"Getting lineage via table entity using query: {masked_query}")
         lineage_parser = LineageParser(query, dialect, timeout_seconds=timeout_seconds)
+        masked_query = lineage_parser.masked_query or query
+        logger.debug(f"Getting lineage via table entity using query: {masked_query}")
         to_table_name = table_entity.name.root
 
         for from_table_name in lineage_parser.source_tables:

ingestion/src/metadata/ingestion/ometa/mixins/es_mixin.py

@@ -344,7 +344,7 @@ def _paginate_es_internal(
             # Get next page
             last_hit = response.hits.hits[-1] if response.hits.hits else None
             if not last_hit or not last_hit.sort:
-                logger.info("No more pages to fetch")
+                logger.debug("No more pages to fetch")
                 break
 
             after = ",".join(last_hit.sort)
@@ -429,10 +429,11 @@ def yield_es_view_def(
                 _, database_name, schema_name, table_name = fqn.split(
                     hit.source["fullyQualifiedName"]
                 )
-                yield TableView(
-                    view_definition=hit.source["schemaDefinition"],
-                    service_name=service_name,
-                    db_name=database_name,
-                    schema_name=schema_name,
-                    table_name=table_name,
-                )
+                if hit.source.get("schemaDefinition"):
+                    yield TableView(
+                        view_definition=hit.source["schemaDefinition"],
+                        service_name=service_name,
+                        db_name=database_name,
+                        schema_name=schema_name,
+                        table_name=table_name,
+                    )

ingestion/src/metadata/ingestion/ometa/mixins/lineage_mixin.py

@@ -63,7 +63,7 @@ def _merge_column_lineage(
                     )
             for column in updated or []:
                 if not isinstance(column, dict):
-                    data = column.dict()
+                    data = column.model_dump()
                 else:
                     data = column
                 if data.get("toColumn") and data.get("fromColumns"):