query: Add db_name column.

conservancy_beancount/reports/query.py

@@ -224,6 +224,12 @@ class DBId(DBColumn):
     _dtype = int
 
 
+class DBName(DBColumn):
+    """Look up an entity's display name from the database"""
+    _db_query = "SELECT display_name FROM donor WHERE ledger_entity_id = ?"
+    _dtype = str
+
+
 class DBPostal(DBColumn):
     """Look up an entity's postal addresses from the database"""
     _db_query = """
@@ -444,10 +450,12 @@ class _EnvironmentMixin:
         except (OSError, sqlite3.Error):
             columns['db_email'] = DBEmail
             columns['db_id'] = DBId
+            columns['db_name'] = DBName
             columns['db_postal'] = DBPostal
         else:
             columns['db_email'] = DBEmail.with_db(db_conn)
             columns['db_id'] = DBId.with_db(db_conn)
+            columns['db_name'] = DBName.with_db(db_conn)
             columns['db_postal'] = DBPostal.with_db(db_conn)
 
         rt_credentials = config.rt_credentials()

setup.py

@@ -5,7 +5,7 @@ from setuptools import setup
 setup(
     name='conservancy_beancount',
     description="Plugin, library, and reports for reading Conservancy's books",
-    version='1.19.5',
+    version='1.19.6',
     author='Software Freedom Conservancy',
     author_email='info@sfconservancy.org',
     license='GNU AGPLv3+',