diff options
Diffstat (limited to 'lib/output/pq')
-rw-r--r-- | lib/output/pq/updateDatabase.cpp | 45 | ||||
-rw-r--r-- | lib/output/pq/updateDatabase.h | 3 |
2 files changed, 19 insertions, 29 deletions
diff --git a/lib/output/pq/updateDatabase.cpp b/lib/output/pq/updateDatabase.cpp index eb912d8..232e8f9 100644 --- a/lib/output/pq/updateDatabase.cpp +++ b/lib/output/pq/updateDatabase.cpp @@ -284,14 +284,7 @@ namespace MyGrate::Output::Pq { } void - UpdateDatabase::copyAll(const Row & r, std::back_insert_iterator<std::vector<DbValue>> && out) - { - std::copy(r.begin(), r.end(), out); - } - - void - UpdateDatabase::copyKeys( - const Row & r, const TableDefPtr & td, std::back_insert_iterator<std::vector<DbValue>> && out) + UpdateDatabase::copyKeys(const Row & r, const TableDefPtr & td, std::back_insert_iterator<Row> && out) { std::copy_if(r.begin(), r.end(), out, [c = td->columns.begin()](auto &&) mutable { return (c++)->get()->is_pk; @@ -324,13 +317,13 @@ namespace MyGrate::Output::Pq { out->update = prepare(ou.str().c_str(), kordinal); } beforeEvent(e); - std::vector<DbValue> updateValues; - updateValues.reserve(out->columns.size() + out->keys); - RowPair rp {e->event.rows, table_map->event.table_map}; - copyAll(rp.second, std::back_inserter(updateValues)); - copyKeys(rp.first, out, std::back_inserter(updateValues)); - out->update->execute(updateValues); - verify<ReplicationError>(out->update->rows() == 1, "Wrong number of rows updated."); + auto rows {Row::fromRowsEvent(e->event.rows, table_map->event.table_map)}; + verify<ReplicationError>(rows.size() % 2 == 0, "Odd number of update rows"); + for (auto rp = rows.begin(); rp != rows.end(); rp++) { + copyKeys(*rp, out, std::back_inserter(*rp)); + out->update->execute(*rp); + verify<ReplicationError>(out->update->rows() == 1, "Wrong number of rows updated."); + } afterEvent(e); } } @@ -356,12 +349,12 @@ namespace MyGrate::Output::Pq { out->deleteFrom = prepare(ou.str().c_str(), kordinal); } beforeEvent(e); - std::vector<DbValue> updateValues; - updateValues.reserve(out->keys); - Row rp {e->event.rows, table_map->event.table_map}; - copyKeys(rp, out, std::back_inserter(updateValues)); - out->deleteFrom->execute(updateValues); - verify<ReplicationError>(out->deleteFrom->rows() == 1, "Wrong number of rows deleted."); + for (auto & r : Row::fromRowsEvent(e->event.rows, table_map->event.table_map)) { + Row keys; + copyKeys(r, out, std::back_inserter(keys)); + out->deleteFrom->execute(keys); + verify<ReplicationError>(out->deleteFrom->rows() == 1, "Wrong number of rows deleted."); + } afterEvent(e); } } @@ -390,12 +383,10 @@ namespace MyGrate::Output::Pq { out->insertInto = prepare(ou.str().c_str(), out->columns.size()); } beforeEvent(e); - std::vector<DbValue> updateValues; - updateValues.reserve(out->columns.size()); - Row rp {e->event.rows, table_map->event.table_map}; - copyAll(rp, std::back_inserter(updateValues)); - out->insertInto->execute(updateValues); - verify<ReplicationError>(out->insertInto->rows() == 1, "Wrong number of rows updated."); + for (const auto & r : Row::fromRowsEvent(e->event.rows, table_map->event.table_map)) { + out->insertInto->execute(r); + verify<ReplicationError>(out->insertInto->rows() == 1, "Wrong number of rows updated."); + } afterEvent(e); } } diff --git a/lib/output/pq/updateDatabase.h b/lib/output/pq/updateDatabase.h index bc3a6bc..d2b4872 100644 --- a/lib/output/pq/updateDatabase.h +++ b/lib/output/pq/updateDatabase.h @@ -73,8 +73,7 @@ namespace MyGrate::Output::Pq { UpdateDatabase(PqConn &&, uint64_t source, RecordSetPtr cfg); static void verifyRow(const MariaDB_Event_Ptr & e, const TableDefPtr &); - static void copyAll(const Row & r, std::back_insert_iterator<std::vector<DbValue>> &&); - static void copyKeys(const Row & r, const TableDefPtr &, std::back_insert_iterator<std::vector<DbValue>> &&); + static void copyKeys(const Row & r, const TableDefPtr &, std::back_insert_iterator<Row> &&); void copyTableContent(Input::MySQLConn *, const char * tableName, const TableDefPtr &); |