diff options
Diffstat (limited to 'src/wallet/sqlite.cpp')
| -rw-r--r-- | src/wallet/sqlite.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/wallet/sqlite.cpp b/src/wallet/sqlite.cpp index fe10f911c4..8d7fe97bb1 100644 --- a/src/wallet/sqlite.cpp +++ b/src/wallet/sqlite.cpp @@ -35,6 +35,21 @@ static void ErrorLogCallback(void* arg, int code, const char* msg) LogPrintf("SQLite Error. Code: %d. Message: %s\n", code, msg); } +static int TraceSqlCallback(unsigned code, void* context, void* param1, void* param2) +{ + auto* db = static_cast<SQLiteDatabase*>(context); + if (code == SQLITE_TRACE_STMT) { + auto* stmt = static_cast<sqlite3_stmt*>(param1); + // To be conservative and avoid leaking potentially secret information + // in the log file, only expand statements that query the database, not + // statements that update the database. + char* expanded{sqlite3_stmt_readonly(stmt) ? sqlite3_expanded_sql(stmt) : nullptr}; + LogPrintf("[%s] SQLite Statement: %s\n", db->Filename(), expanded ? expanded : sqlite3_sql(stmt)); + if (expanded) sqlite3_free(expanded); + } + return SQLITE_OK; +} + static bool BindBlobToStatement(sqlite3_stmt* stmt, int index, Span<const std::byte> blob, @@ -240,6 +255,13 @@ void SQLiteDatabase::Open() if (ret != SQLITE_OK) { throw std::runtime_error(strprintf("SQLiteDatabase: Failed to enable extended result codes: %s\n", sqlite3_errstr(ret))); } + // Trace SQL statements if tracing is enabled with -debug=walletdb -loglevel=walletdb:trace + if (LogAcceptCategory(BCLog::WALLETDB, BCLog::Level::Trace)) { + ret = sqlite3_trace_v2(m_db, SQLITE_TRACE_STMT, TraceSqlCallback, this); + if (ret != SQLITE_OK) { + LogPrintf("Failed to enable SQL tracing for %s\n", Filename()); + } + } } if (sqlite3_db_readonly(m_db, "main") != 0) { |