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SQL/MySQL: fix handling of json column

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Add handling for MYSQL_TYPE_JSON by treating it the same as
MYSQL_TYPE_BLOB (which is used by current MariaDB Server for a json
column)

Fixes: QTBUG-101680
Change-Id: I4d4b0cdad73cd12e0db4df4021fddbd6a649c8ed
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
(cherry picked from commit 9d27c07e284457fb86258ab518f39c5cab1dac80)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Christian Ehrlicher 2022-10-19 21:00:29 +02:00 committed by Qt Cherry-pick Bot
parent f8b151891e
commit 5ed99a42a6
2 changed files with 43 additions and 1 deletions
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4
src/plugins/sqldrivers/mysql/qsql_mysql.cpp
View File

@ -228,6 +228,7 @@ static QMetaType qDecodeMYSQLType(int mysqltype, uint flags)
case FIELD_TYPE_MEDIUM_BLOB :
case FIELD_TYPE_LONG_BLOB :
case FIELD_TYPE_GEOMETRY :
case MYSQL_TYPE_JSON :
type = (flags & BINARY_FLAG) ? QMetaType::QByteArray : QMetaType::QString;
break;
default:
@ -266,7 +267,8 @@ static bool qIsBlob(int t)
return t == MYSQL_TYPE_TINY_BLOB
|| t == MYSQL_TYPE_BLOB
|| t == MYSQL_TYPE_MEDIUM_BLOB
|| t == MYSQL_TYPE_LONG_BLOB;
|| t == MYSQL_TYPE_LONG_BLOB
|| t == MYSQL_TYPE_JSON;
}
static bool qIsTimeOrDate(int t)

40
tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp
View File

@ -226,6 +226,9 @@ private slots:
void sqlite_real_data() { generic_data("QSQLITE"); }
void sqlite_real();
void prepared_query_json_row_data() { generic_data(); }
void prepared_query_json_row();
void aggregateFunctionTypes_data() { generic_data(); }
void aggregateFunctionTypes();
@ -4443,6 +4446,43 @@ void tst_QSqlQuery::sqlite_real()
QCOMPARE(q.value(0).toDouble(), 5.6);
}
void tst_QSqlQuery::prepared_query_json_row()
{
QFETCH(QString, dbName);
QSqlDatabase db = QSqlDatabase::database(dbName);
CHECK_DATABASE(db);
if (tst_Databases::getDatabaseType(db) != QSqlDriver::MySqlServer &&
tst_Databases::getDatabaseType(db) != QSqlDriver::PostgreSQL) {
QSKIP("PostgreSQL / MySQL specific test");
}
const QString tableName(qTableName("tableWithJsonRow", __FILE__, db));
tst_Databases::safeDropTable(db, tableName);
QSqlQuery q(db);
const QLatin1String vals[] = {QLatin1String("{\"certificateNumber\": \"CERT-001\"}"),
QLatin1String("{\"certificateNumber\": \"CERT-002\"}")};
QVERIFY_SQL(q, exec(QLatin1String("CREATE TABLE %1 (id INTEGER, value JSON)").arg(tableName)));
for (const QLatin1String &json : vals) {
QVERIFY_SQL(q, exec(QLatin1String("INSERT INTO %1 (id, value) VALUES (1, '%2')")
.arg(tableName, json)));
}
QVERIFY_SQL(q, prepare(QLatin1String("SELECT id, value FROM %1 WHERE id = ?").arg(tableName)));
q.addBindValue(1);
QVERIFY_SQL(q, exec());
size_t iCount = 0;
while (q.next()) {
QVERIFY(iCount < sizeof(vals));
const int id = q.value(0).toInt();
const QByteArray json = q.value(1).toByteArray();
QCOMPARE(id, 1);
QCOMPARE(json, vals[iCount].data());
++iCount;
}
}
void tst_QSqlQuery::aggregateFunctionTypes()
{
QFETCH(QString, dbName);