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Diffstat (limited to 'subprojects/boost-sqlite/src/resultset.cpp')
-rw-r--r-- | subprojects/boost-sqlite/src/resultset.cpp | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/subprojects/boost-sqlite/src/resultset.cpp b/subprojects/boost-sqlite/src/resultset.cpp new file mode 100644 index 0000000..9528a2a --- /dev/null +++ b/subprojects/boost-sqlite/src/resultset.cpp @@ -0,0 +1,61 @@ +// +// Copyright (c) 2022 Klemens Morgenstern (klemens.morgenstern@gmx.net) +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +#include <boost/sqlite/resultset.hpp> + +BOOST_SQLITE_BEGIN_NAMESPACE + + +bool resultset::read_next( + system::error_code & ec, + error_info & ei) // could also return row* instead! +{ + if (done_) + return false; + auto cc = sqlite3_step(impl_.get()); + if (cc == SQLITE_DONE) + { + done_ = true; + return false; + } + else if (cc != SQLITE_ROW) + { + BOOST_SQLITE_ASSIGN_EC(ec, cc); + ei.set_message(sqlite3_errmsg(sqlite3_db_handle(impl_.get()))); + } + return !done_; +} + +bool resultset::read_next() +{ + system::error_code ec; + error_info ei; + auto tmp = read_next(ec, ei); + if (ec) + throw_exception(system::system_error(ec, ei.message())); + return tmp; +} + +resultset::iterator resultset::iterator::operator++() +{ + if (sentinel_) + return *this; + + auto cc = sqlite3_step(row_.stm_); + if (cc == SQLITE_DONE) + sentinel_ = true; + else if (cc != SQLITE_ROW) + { + system::error_code ec; + BOOST_SQLITE_ASSIGN_EC(ec, cc); + throw_exception(system::system_error(ec, sqlite3_errmsg(sqlite3_db_handle(row_.stm_)))); + } + return *this; +} + +BOOST_SQLITE_END_NAMESPACE + |