mysqlc: fix timestamp query of result set

Also add test for inserting and reading timestamp values.

Change-Id: I2ba997c438f4e33965b0fe0602e58eddeff38b01
Reviewed-on: https://gerrit.libreoffice.org/67066
Tested-by: Jenkins
Reviewed-by: Tamás Bunth <btomi96@gmail.com>

connectivity/qa/connectivity/mysql/mysql.cxx

@@ -20,6 +20,8 @@
 #include <com/sun/star/sdbc/XParameters.hpp>
 #include <com/sun/star/sdbc/XStatement.hpp>
 #include <com/sun/star/sdbc/XDriver.hpp>
+
+#include <com/sun/star/util/DateTime.hpp>
 #include <svtools/miscopt.hxx>
 #include <osl/process.h>
 
@@ -50,6 +52,7 @@ public:
     void testDBPositionChange();
     void testMultipleResultsets();
     void testDBMetaData();
+    void testTimestampField();
 
     CPPUNIT_TEST_SUITE(MysqlTestDriver);
     CPPUNIT_TEST(testDBConnection);
@@ -57,6 +60,7 @@ public:
     CPPUNIT_TEST(testIntegerInsertAndQuery);
     CPPUNIT_TEST(testMultipleResultsets);
     CPPUNIT_TEST(testDBMetaData);
+    CPPUNIT_TEST(testTimestampField);
     CPPUNIT_TEST_SUITE_END();
 };
 
@@ -337,6 +341,38 @@ void MysqlTestDriver::testDBMetaData()
     nUpdateCount = xStatement->executeUpdate("DROP TABLE myTestTable");
 }
 
+void MysqlTestDriver::testTimestampField()
+{
+    Reference<XConnection> xConnection = m_xDriver->connect(m_sUrl, m_infos);
+    if (!xConnection.is())
+        CPPUNIT_ASSERT_MESSAGE("cannot connect to data source!", xConnection.is());
+    uno::Reference<XStatement> xStatement = xConnection->createStatement();
+    CPPUNIT_ASSERT(xStatement.is());
+    xStatement->executeUpdate("DROP TABLE IF EXISTS myTestTable");
+
+    xStatement->executeUpdate(
+        "CREATE TABLE myTestTable (id INTEGER PRIMARY KEY, mytimestamp timestamp)");
+    xStatement->executeUpdate("INSERT INTO myTestTable VALUES (1, '2008-02-16 20:15:03')");
+
+    // now let's query
+    Reference<XResultSet> xResultSet
+        = xStatement->executeQuery("SELECT mytimestamp from myTestTable");
+
+    xResultSet->next(); // use it
+    Reference<XRow> xRow(xResultSet, UNO_QUERY);
+    CPPUNIT_ASSERT_MESSAGE("cannot extract row from result set!", xRow.is());
+    util::DateTime dt = xRow->getTimestamp(1);
+    CPPUNIT_ASSERT_EQUAL(static_cast<short>(2008), dt.Year);
+    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned short>(2), dt.Month);
+    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned short>(16), dt.Day);
+
+    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned short>(20), dt.Hours);
+    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned short>(15), dt.Minutes);
+    CPPUNIT_ASSERT_EQUAL(static_cast<unsigned short>(3), dt.Seconds);
+
+    xStatement->executeUpdate("DROP TABLE myTestTable");
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(MysqlTestDriver);
 
 CPPUNIT_PLUGIN_IMPLEMENT();

connectivity/source/drivers/mysqlc/mysqlc_resultset.cxx

@@ -236,7 +236,7 @@ uno::Reference<XInputStream> SAL_CALL OResultSet::getBinaryStream(sal_Int32 colu
 
     OString sVal = m_aRows[m_nRowPosition][column - 1];
     return new SequenceInputStream{ uno::Sequence<sal_Int8>(
-        reinterpret_cast<sal_Int8 const*>(sVal.getStr()), getDataLength(column - 1)) };
+        reinterpret_cast<sal_Int8 const*>(sVal.getStr()), getDataLength(column)) };
 }
 
 uno::Reference<XInputStream> SAL_CALL OResultSet::getCharacterStream(sal_Int32 column)
@@ -284,7 +284,7 @@ uno::Sequence<sal_Int8> SAL_CALL OResultSet::getBytes(sal_Int32 column)
         return uno::Sequence<sal_Int8>();
 
     return uno::Sequence<sal_Int8>(reinterpret_cast<sal_Int8 const*>(sVal.getStr()),
-                                   getDataLength(column - 1));
+                                   getDataLength(column));
 }
 
 Date SAL_CALL OResultSet::getDate(sal_Int32 column)
@@ -476,7 +476,7 @@ Time SAL_CALL OResultSet::getTime(sal_Int32 column)
         return t;
 
     OString sVal = m_aRows[m_nRowPosition][column - 1];
-    OString timeString{ sVal.getStr(), getDataLength(column - 1) };
+    OString timeString{ sVal.getStr(), getDataLength(column) };
     OString token;
     sal_Int32 nIndex, i = 0;
 
@@ -515,11 +515,14 @@ DateTime SAL_CALL OResultSet::getTimestamp(sal_Int32 column)
 
     // YY-MM-DD HH:MM:SS
     std::vector<OString> dateAndTime
-        = lcl_split(OString{ sVal.getStr(), getDataLength(column - 1) }, ' ');
+        = lcl_split(OString{ sVal.getStr(), getDataLength(column) }, ' ');
 
     auto dateParts = lcl_split(dateAndTime.at(0), '-');
     auto timeParts = lcl_split(dateAndTime.at(1), ':');
 
+    if (dateParts.size() < 2 || timeParts.size() < 2)
+        throw SQLException("Timestamp has a wrong format", *this, OUString(), 1, Any());
+
     DateTime dt;
 
     dt.Year = dateParts.at(0).toUInt32();

connectivity/source/drivers/mysqlc/mysqlc_resultset.hxx

@@ -75,7 +75,7 @@ class OResultSet final : public OBase_Mutex,
 
     sal_Int32 getDataLength(sal_Int32 column)
     {
-        return m_aRows[m_nRowCount][column - 1].getLength();
+        return m_aRows[m_nRowPosition][column - 1].getLength();
     }
     bool checkNull(sal_Int32 column);