Implemented sqlite database.

pylexique/pylexique.py

@@ -159,7 +159,7 @@ def _initialize_database(self) -> None:
         cursor = self._conn.cursor()
         cursor.execute('''
             CREATE TABLE lexicon (
-                ortho TEXT PRIMARY KEY,
+                ortho TEXT,
                 phon TEXT,
                 lemme TEXT,
                 cgram TEXT,
@@ -196,13 +196,16 @@ def _initialize_database(self) -> None:
                 nbmorph INTEGER
             )
         ''')
+        cursor.execute('''
+            CREATE INDEX idx_ortho ON lexicon (ortho)
+        ''')
         cursor.close()
 
     def _insert_entry(self, row_fields: ConvertedRow) -> None:
         """Insert a row into the lexicon table."""
         cursor = self._conn.cursor()
         cursor.execute('''
-            INSERT INTO lexicon VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+            INSERT INTO lexicon VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
         ''', row_fields)
         cursor.close()
 
@@ -230,7 +233,7 @@ def save_cache(self) -> None:
         disk_conn = sqlite3.connect(self._cache_path)
         cursor = disk_conn.cursor()
         cursor.execute("ATTACH DATABASE ':memory:' AS inmemory")
-        cursor.execute("CREATE TABLE inmemory.lexicon AS SELECT * FROM main.lexicon")
+        cursor.execute("CREATE TABLE inmemory.lexicon AS SELECT * FROM lexicon")
         cursor.execute("DETACH DATABASE inmemory")
         disk_conn.commit()
         cursor.close()