python: implement reverse lookup function

[nominatim.git] / nominatim / api / logging.py

diff --git a/nominatim/api/logging.py b/nominatim/api/logging.py
index 3759ba1b1a3f5c0d25932e6f78536b11202c2a73..ec3590635770dd6ea02d5e9bcda23840416de8fc 100644 (file)
--- a/nominatim/api/logging.py
+++ b/nominatim/api/logging.py
@@ -60,6 +60,17 @@ class BaseLogger:
         """ Print the SQL for the given statement.
         """
 
+    def format_sql(self, conn: AsyncConnection, statement: 'sa.Executable') -> str:
+        """ Return the comiled version of the statement.
+        """
+        try:
+            return str(cast('sa.ClauseElement', statement)
+                         .compile(conn.sync_engine, compile_kwargs={"literal_binds": True}))
+        except sa.exc.CompileError:
+            pass
+
+        return str(cast('sa.ClauseElement', statement).compile(conn.sync_engine))
+
 
 class HTMLLogger(BaseLogger):
     """ Logger that formats messages in HTML.
@@ -92,8 +103,7 @@ class HTMLLogger(BaseLogger):
 
 
     def sql(self, conn: AsyncConnection, statement: 'sa.Executable') -> None:
-        sqlstr = str(cast('sa.ClauseElement', statement)
-                      .compile(conn.sync_engine, compile_kwargs={"literal_binds": True}))
+        sqlstr = self.format_sql(conn, statement)
         if CODE_HIGHLIGHT:
             sqlstr = highlight(sqlstr, PostgresLexer(),
                                HtmlFormatter(nowrap=True, lineseparator='<br />'))
@@ -147,9 +157,7 @@ class TextLogger(BaseLogger):
 
 
     def sql(self, conn: AsyncConnection, statement: 'sa.Executable') -> None:
-        sqlstr = str(cast('sa.ClauseElement', statement)
-                      .compile(conn.sync_engine, compile_kwargs={"literal_binds": True}))
-        sqlstr = '\n| '.join(textwrap.wrap(sqlstr, width=78))
+        sqlstr = '\n| '.join(textwrap.wrap(self.format_sql(conn, statement), width=78))
         self._write(f"| {sqlstr}\n\n")