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#include "command.h"
#include "error.h"
#include "param.h"
#include <sqlext.h>
ODBC::Command::Command(const Connection & c, const std::string & s) :
DB::Command(s),
connection(c)
{
RETCODE rc = SQLAllocHandle(SQL_HANDLE_STMT, c.conn, &hStmt);
if (!SQL_SUCCEEDED(rc)) {
throw Error(rc, SQL_HANDLE_STMT, hStmt, "Allocate statement handle");
}
rc = SQLSetStmtAttr(hStmt, SQL_ATTR_CURSOR_TYPE, (SQLPOINTER)SQL_CURSOR_DYNAMIC, 0);
if (!SQL_SUCCEEDED(rc)) {
throw ConnectionError(rc, SQL_HANDLE_STMT, hStmt, "Set scrollable cursor");
}
rc = SQLPrepare(hStmt, (SQLCHAR*)sql.c_str(), sql.length());
if (!SQL_SUCCEEDED(rc)) {
SQLFreeHandle(SQL_HANDLE_STMT, hStmt);
throw Error(rc, SQL_HANDLE_STMT, hStmt, "Prepare statement");
}
SQLSMALLINT pcount;
rc = SQLNumParams(hStmt, &pcount);
if (!SQL_SUCCEEDED(rc)) {
SQLFreeHandle(SQL_HANDLE_STMT, hStmt);
throw Error(rc, SQL_HANDLE_STMT, hStmt, "Parameter count");
}
params.resize(pcount);
}
ODBC::Command::~Command()
{
for (Params::iterator i = params.begin(); i != params.end(); ++i) {
if (*i) {
delete *i;
}
}
}
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