Function QueryCtx_GetUndoLog

src/query_ctx.c:257–265

retrieve undo log

// retrieve undo log
UndoLog QueryCtx_GetUndoLog(void) {
	QueryCtx *ctx = _QueryCtx_GetCtx();
	ASSERT(ctx != NULL);
	
	if(ctx->undo_log == NULL) {
		ctx->undo_log = UndoLog_New();
	}
	return ctx->undo_log;
}

// rollback the current command
void QueryCtx_Rollback(void) {