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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 22:05:10 -05:00
parent 4cc043e4a8
commit 3fb4c34161
4 changed files with 35 additions and 7 deletions
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3
Data/ODBC/include/Poco/Data/ODBC/ODBCMetaColumn.h
View File

@ -51,6 +51,9 @@ public:
/// null-termination byte that ends the character string. /// null-termination byte that ends the character string.
/// This information is returned from the SQL_DESC_LENGTH record field of the IRD. /// 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: private:
ODBCMetaColumn(); ODBCMetaColumn();

29
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() void ODBCMetaColumn::init()
{ {
getDescription(); getDescription();
@ -97,16 +114,20 @@ void ODBCMetaColumn::init()
setType(MetaColumn::FDT_WSTRING); break; setType(MetaColumn::FDT_WSTRING); break;
case SQL_TINYINT: case SQL_TINYINT:
setType(MetaColumn::FDT_INT8); break; setType(isUnsigned() ? MetaColumn::FDT_UINT8 : MetaColumn::FDT_INT8);
break;
case SQL_SMALLINT: case SQL_SMALLINT:
setType(MetaColumn::FDT_INT16); break; setType(isUnsigned() ? MetaColumn::FDT_UINT16 : MetaColumn::FDT_INT16);
break;
case SQL_INTEGER: case SQL_INTEGER:
setType(MetaColumn::FDT_INT32); break; setType(isUnsigned() ? MetaColumn::FDT_UINT32 : MetaColumn::FDT_INT32);
break;
case SQL_BIGINT: case SQL_BIGINT:
setType(MetaColumn::FDT_INT64); break; setType(isUnsigned() ? MetaColumn::FDT_UINT64 : MetaColumn::FDT_INT64);
break;
case SQL_DOUBLE: case SQL_DOUBLE:
case SQL_FLOAT: case SQL_FLOAT:

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

@ -232,7 +232,11 @@ bool SessionImpl::canTransact()
void SessionImpl::setTransactionIsolation(Poco::UInt32 ti) void SessionImpl::setTransactionIsolation(Poco::UInt32 ti)
{ {
#if POCO_PTR_IS_64_BIT
Poco::UInt64 isolation = 0;
#else
Poco::UInt32 isolation = 0; Poco::UInt32 isolation = 0;
#endif
if (ti & Session::TRANSACTION_READ_UNCOMMITTED) if (ti & Session::TRANSACTION_READ_UNCOMMITTED)
isolation |= SQL_TXN_READ_UNCOMMITTED; isolation |= SQL_TXN_READ_UNCOMMITTED;