Function dbstmt_emit

lua/sp.c:3454–3479

}

static int dbstmt_emit(Lua L)
{
    SP sp = getsp(L);
    luaL_checkudata(L, 1, dbtypes.dbstmt);
    dbstmt_t *dbstmt = lua_touserdata(L, 1);
    no_stmt_chk(L, dbstmt);
    if (!dbstmt->readonly) {
        return luaL_error(L, "statement must be read-only");
    }
    setup_first_sqlite_step(sp, dbstmt, 0);
    sqlite3_stmt *stmt = dbstmt->stmt;
    int cols = column_count(NULL, stmt);
    int rc;
    lua_begin_step(sp->clnt, sp, stmt);
    while ((rc = sqlite3_maybe_step(sp->clnt, stmt)) == SQLITE_ROW) {
        lua_another_step(sp->clnt, stmt, rc);
        if (l_send_back_row(L, stmt, cols) != 0) {
            rc = -1;
            break;
        }
    }
    lua_end_step(sp->clnt, sp, stmt);
    reset_stmt(sp, dbstmt);
    if (rc == SQLITE_DONE) rc = 0;
    return push_and_return(L, rc);
}

static int dbstmt_close(Lua L)
{