reintroduce cutoffs when searching for very frequent words

[nominatim.git] / nominatim / tools / tiger_data.py

diff --git a/nominatim/tools/tiger_data.py b/nominatim/tools/tiger_data.py
index 4988e33c8552150dab9efbd56274046d939f6304..70cecae58648997f0bc6a81a863fee7b420432f5 100644 (file)
--- a/nominatim/tools/tiger_data.py
+++ b/nominatim/tools/tiger_data.py
@@ -23,6 +23,7 @@ from nominatim.db.sql_preprocessor import SQLPreprocessor
 from nominatim.errors import UsageError
 from nominatim.data.place_info import PlaceInfo
 from nominatim.tokenizer.base import AbstractAnalyzer, AbstractTokenizer
+from nominatim.tools import freeze
 
 LOG = logging.getLogger()
 
@@ -108,14 +109,21 @@ def handle_threaded_sql_statements(pool: WorkerPool, fd: TextIO,
 
 
 def add_tiger_data(data_dir: str, config: Configuration, threads: int,
-                   tokenizer: AbstractTokenizer) -> None:
+                   tokenizer: AbstractTokenizer) -> int:
     """ Import tiger data from directory or tar file `data dir`.
     """
     dsn = config.get_libpq_dsn()
 
+    with connect(dsn) as conn:
+        is_frozen = freeze.is_frozen(conn)
+        conn.close()
+
+        if is_frozen:
+            raise UsageError("Tiger cannot be imported when database frozen (Github issue #3048)")
+
     with TigerInput(data_dir) as tar:
         if not tar:
-            return
+            return 1
 
         with connect(dsn) as conn:
             sql = SQLPreprocessor(conn, config)
@@ -137,3 +145,5 @@ def add_tiger_data(data_dir: str, config: Configuration, threads: int,
     with connect(dsn) as conn:
         sql = SQLPreprocessor(conn, config)
         sql.run_sql_file(conn, 'tiger_import_finish.sql')
+
+    return 0