Add sqlite3 compile time options more similar to cpython

Author: timfel

graalpython/com.oracle.graal.python.cext/CMakeLists.txt

@@ -240,7 +240,19 @@ set(SQLITE3_SRC
     "${SRC_DIR}/modules/_sqlite/util.c"
 )
 native_module("_sqlite3" TRUE "${SQLITE3_SRC}")
+# This combines the flags CPython uses on macOS and Windows, on Linux systems
+# it usually links against the system sqlite3 so we do not really know. See
+# https://github.com/python/cpython/issues/88017 for some reasons
 target_include_directories("_sqlite3" PUBLIC "${SRC_DIR}/modules/_sqlite/sqlite")
+target_compile_definitions("_sqlite3" PRIVATE
+    SQLITE_ENABLE_MATH_FUNCTIONS
+    SQLITE_ENABLE_FTS5
+    SQLITE_ENABLE_FTS4
+    SQLITE_ENABLE_FTS3_PARENTHESIS
+    SQLITE_ENABLE_RTREE
+    SQLITE_OMIT_AUTOINIT
+    SQLITE_TCL=0
+)
 
 set(LIBHACL_HEADERS
     # "${SRC_DIR}/modules/_hacl/include/krml/FStar_UInt128_Verified.h"

graalpython/com.oracle.graal.python.test/src/tests/test_sqlite3.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2023, 2024, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2023, 2025, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # The Universal Permissive License (UPL), Version 1.0
@@ -49,3 +49,15 @@ def test_basic_functionality():
     rows = conn.execute("select sqlite_version()")
     assert len(next(rows)[0]) >= 5
     conn.close()
+
+
+def test_fts5_works():
+    import sqlite3
+    conn = sqlite3.connect(':memory:')
+    conn.execute("CREATE VIRTUAL TABLE IF NOT EXISTS your_table USING fts5(column1, column2)")
+    conn.execute("CREATE VIRTUAL TABLE IF NOT EXISTS your_table USING fts4(column1, column2)")
+    conn.execute("CREATE VIRTUAL TABLE IF NOT EXISTS your_table USING fts3(column1, column2)")
+    conn.execute("CREATE VIRTUAL TABLE IF NOT EXISTS your_table USING rtree(column1, column2)")
+    sqpi = next(conn.execute("SELECT pi()"))[0]
+    assert 3.14 == float(f'{sqpi:.2f}'), sqpi
+    conn.close()