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This commit is contained in:
Andrei Astafev
2020-04-11 18:07:10 +03:00
parent 5bf5a20624
commit 2bcf387ba4
3 changed files with 25 additions and 15 deletions
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15
wiki/Prog/Lang/CPP/Qt/Qt обмен бинарными данными с БД.adoc
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@ -19,11 +19,16 @@ CREATE TABLE example (
----
const char cart[] = {0x04, 0x43, 0x00, 0x9A};
QByteArray binDataArray(QByteArray::fromRawData(cart, 4));
QSqlQuery query;
query.prepare(QString("INSERT INTO example (id, bin_data) VALUES(:id, :bin_data)");
query.bindValue(":id", 10, QSql::In);
query.bindValue(":bin_data", binDataArray, QSql::In | QSql::Binary);
query.exec();
QSqlQuery query1;
query1.prepare(QString("INSERT INTO example (id, bin_data) VALUES(:id, :bin_data)");
query1.bindValue(":id", 10, QSql::In);
query1.bindValue(":bin_data", binDataArray, QSql::In | QSql::Binary);
query1.exec();
QSqlQuery query2;
query2.exec(QString("INSERT INTO files VALUES(%1, %2);")
.arg(18)
.arg(db.driver()->formatValue(dataField)));
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Чтение данных: