From 2a1fa15d8baa4eda37e17b2e9362f8bde17a939d Mon Sep 17 00:00:00 2001 From: randomdan Date: Sat, 8 Jul 2006 16:32:05 +0000 Subject: libcodbcpp initial release --- libodbcpp/column.cpp | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 libodbcpp/column.cpp (limited to 'libodbcpp/column.cpp') diff --git a/libodbcpp/column.cpp b/libodbcpp/column.cpp new file mode 100644 index 0000000..212b792 --- /dev/null +++ b/libodbcpp/column.cpp @@ -0,0 +1,54 @@ +#include "column.h" +#include "error.h" +#include "timetypepair.h" + +ODBC::Column::Column(String n, u_int i) : + colNo(i), + name(n), + fresh(false) +{ +} + +ODBC::Column::~Column() +{ +} + +#define ODBC_DEFAULT_COLUMN_CAST(ctype, rtype) \ + ODBC::Column::operator rtype() const { \ + return (dynamic_cast& >(*this)).value; \ + } + +ODBC_DEFAULT_COLUMN_CAST(SQLINTEGER, unsigned int); +ODBC_DEFAULT_COLUMN_CAST(SQLINTEGER, unsigned long long); +ODBC_DEFAULT_COLUMN_CAST(SQLINTEGER, long long); +ODBC_DEFAULT_COLUMN_CAST(SQLINTEGER, int); +ODBC_DEFAULT_COLUMN_CAST(SQLDOUBLE, double); +ODBC_DEFAULT_COLUMN_CAST(SQLDOUBLE, float); +ODBC_DEFAULT_COLUMN_CAST(SQLCHAR*, const unsigned char * const); +ODBC_DEFAULT_COLUMN_CAST(SQLCHAR*, String); +ODBC::Column::operator std::string() const { + return (const char*)((dynamic_cast& >(*this)).value); +} +ODBC::Column::operator const char * const () const { + return (const char*)((dynamic_cast& >(*this)).value); +} +ODBC::Column::operator const struct tm & () const { + const _Column& c = dynamic_cast& >(*this); + if (c.fresh) { + c.value.sql2c(); + c.fresh = false; + } + return c.value.c(); +} + +void +ODBC::Column::bind(SQLHANDLE hStmt, SQLUINTEGER col, SQLSMALLINT ctype, void * buf, size_t size) +{ + bindSize = size; + RETCODE rc = SQLBindCol(hStmt, col, ctype, buf, bindSize, &bindLen); + if (rc != SQL_SUCCESS) { + throw Error(rc, SQL_HANDLE_STMT, hStmt, "%s: Bind column %lu", __FUNCTION__, col); + } +} + + -- cgit v1.2.3