Added create_index

tests/sqlite/test_create_index.cpp

@@ -0,0 +1,33 @@
+#include <gtest/gtest.h>
+
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/sqlite.hpp>
+#include <vector>
+
+namespace test_create_index {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  int age;
+};
+
+TEST(sqlite, test_create_index) {
+  using namespace sqlgen;
+
+  const auto people = sqlgen::sqlite::connect()
+                          .and_then(create_table<Person> | if_not_exists)
+                          .and_then(create_index<"person_ix", Person>(
+                                        "first_name"_c, "last_name"_c) |
+                                    if_not_exists)
+                          .and_then(sqlgen::read<std::vector<Person>>);
+
+  const std::string expected = R"([])";
+
+  EXPECT_EQ(rfl::json::write(people), expected);
+}
+
+}  // namespace test_create_index