[core] Implement SQLite error logging (#6291)

2 files changed, 14 insertions, 0 deletions

diff --git a/platform/default/sqlite3.cpp b/platform/default/sqlite3.cpp
index b6db71a752..da50a1db87 100644
--- a/platform/default/sqlite3.cpp
+++ b/platform/default/sqlite3.cpp
@@ -7,6 +7,8 @@
 #include <chrono>
 #include <experimental/optional>
 
+#include <mbgl/platform/log.hpp>
+
 const static bool sqliteVersionCheck __attribute__((unused)) = []() {
     if (sqlite3_libversion_number() / 1000000 != SQLITE_VERSION_NUMBER / 1000000) {
         char message[96];
@@ -26,6 +28,7 @@ template <typename T>
 using optional = std::experimental::optional<T>;
 
 Database::Database(const std::string &filename, int flags) {
+    sqlite3_config(SQLITE_CONFIG_LOG, errorLogCallback, nullptr);
     const int err = sqlite3_open_v2(filename.c_str(), &db, flags, nullptr);
     if (err != SQLITE_OK) {
         const auto message = sqlite3_errmsg(db);
@@ -55,6 +58,16 @@ Database::operator bool() const {
     return db != nullptr;
 }
 
+void Database::errorLogCallback(void *, const int err, const char *msg) {
+    if (err == SQLITE_ERROR) {
+        mbgl::Log::Error(mbgl::Event::Database, "%s (Code %i)", msg, err);
+    } else if (err == SQLITE_WARNING) {
+        mbgl::Log::Warning(mbgl::Event::Database, "%s (Code %i)", msg, err);
+    } else {
+        mbgl::Log::Info(mbgl::Event::Database, "%s (Code %i)", msg, err);
+    }
+}
+
 void Database::setBusyTimeout(std::chrono::milliseconds timeout) {
     assert(db);
     const int err = sqlite3_busy_timeout(db,
diff --git a/platform/default/sqlite3.hpp b/platform/default/sqlite3.hpp
index cdc6f87380..cba432272b 100644
--- a/platform/default/sqlite3.hpp
+++ b/platform/default/sqlite3.hpp
@@ -51,6 +51,7 @@ public:
 
 private:
     sqlite3 *db = nullptr;
+    static void errorLogCallback(void *arg, const int err, const char *msg);
 };
 
 class Statement {