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Poco::Data ODBC impl doesn't bind to unsigned numeric types properly #1683

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This commit is contained in:
Alex Fabijanic 2017-10-20 22:14:07 -05:00
parent 5b91bc65b6
commit 43195651af
3 changed files with 38 additions and 10 deletions
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3
Data/ODBC/include/Poco/Data/ODBC/ODBCMetaColumn.h
View File

@ -50,6 +50,9 @@ public:
/// null-termination byte that ends the character string.
/// This information is returned from the SQL_DESC_LENGTH record field of the IRD.
bool isUnsigned() const;
/// Returns true if column is unsigned or a non-numeric data type.
private:
ODBCMetaColumn();

41
Data/ODBC/src/ODBCMetaColumn.cpp
View File

@ -58,6 +58,23 @@ void ODBCMetaColumn::getDescription()
}
bool ODBCMetaColumn::isUnsigned() const
{
SQLLEN val = 0;
if (Utility::isError(Poco::Data::ODBC::SQLColAttribute(_rStmt,
(SQLUSMALLINT)position() + 1, // ODBC columns are 1-based
SQL_DESC_UNSIGNED,
0,
0,
0,
&val)))
{
throw StatementException(_rStmt);
}
return (val == SQL_TRUE);
}
void ODBCMetaColumn::init()
{
getDescription();
@ -94,23 +111,27 @@ void ODBCMetaColumn::init()
case SQL_WVARCHAR:
case SQL_WLONGVARCHAR:
setType(MetaColumn::FDT_WSTRING); break;
case SQL_TINYINT:
setType(MetaColumn::FDT_INT8); break;
setType(isUnsigned() ? MetaColumn::FDT_UINT8 : MetaColumn::FDT_INT8);
break;
case SQL_SMALLINT:
setType(MetaColumn::FDT_INT16); break;
setType(isUnsigned() ? MetaColumn::FDT_UINT16 : MetaColumn::FDT_INT16);
break;
case SQL_INTEGER:
setType(MetaColumn::FDT_INT32); break;
setType(isUnsigned() ? MetaColumn::FDT_UINT32 : MetaColumn::FDT_INT32);
break;
case SQL_BIGINT:
setType(MetaColumn::FDT_INT64); break;
setType(isUnsigned() ? MetaColumn::FDT_UINT64 : MetaColumn::FDT_INT64);
break;
case SQL_DOUBLE:
case SQL_FLOAT:
setType(MetaColumn::FDT_DOUBLE); break;
case SQL_NUMERIC:
case SQL_DECIMAL:
if (0 == _columnDesc.decimalDigits)

4
Data/ODBC/src/SessionImpl.cpp
View File

@ -222,7 +222,11 @@ bool SessionImpl::canTransact()
void SessionImpl::setTransactionIsolation(Poco::UInt32 ti)
{
#if POCO_PTR_IS_64_BIT
Poco::UInt64 isolation = 0;
#else
Poco::UInt32 isolation = 0;
#endif
if (ti & Session::TRANSACTION_READ_UNCOMMITTED)
isolation |= SQL_TXN_READ_UNCOMMITTED;