INT32 _qgmPtrTable::getOwnField( const CHAR *begin,
qgmField &field )
{
if ( begin )
{
return getOwnField( begin, ossStrlen( begin ), field ) ;
}
return SDB_INVALIDARG ;
}
// PD_TRACE_DECLARE_FUNCTION( SDB__QGMPTRTABLE_GETOWNATTR, "_qgmPtrTable::getOwnAttr" )
INT32 _qgmPtrTable::getOwnAttr( const CHAR *begin,
UINT32 size,
qgmDbAttr &attr )
{
INT32 rc = SDB_OK ;
PD_TRACE_ENTRY( SDB__QGMPTRTABLE_GETOWNATTR ) ;
UINT32 pos = 0 ;
BOOLEAN hasDot = qgmUtilFirstDot( begin, size, pos ) ;
if ( hasDot && ( 0 == pos || size - 1 == pos ) )
{
PD_LOG( PDERROR,
"the first char and the last char can not be '.'" ) ;
rc = SDB_INVALIDARG ;
goto error ;
}
if ( hasDot )
{
rc = getOwnField( begin, pos, attr.relegation() ) ;
if ( SDB_OK != rc )
{
goto error ;
}
++pos ;
}
rc = getOwnField( begin + pos, size - pos, attr.attr() ) ;
if ( SDB_OK != rc )
{
goto error ;
}
done:
PD_TRACE_EXITRC( SDB__QGMPTRTABLE_GETOWNATTR, rc ) ;
return rc ;
error:
goto done ;
}
_qgmField _qgmPtrTable::getField( const qgmField &sub1,
const qgmField &sub2 )
{
if ( sub1.empty() )
{
return sub2 ;
}
else if ( sub2.empty() )
{
return sub1 ;
}
else
{
string str( sub1.begin(), sub1.size() ) ;
str += sub2.toString() ;
qgmField merge ;
getOwnField( str.c_str(), merge ) ;
return merge ;
}
}
INT32 _qgmPtrTable::getUniqueTableAlias( qgmField & field )
{
CHAR uniqueName[20] = {0} ;
ossSnprintf( uniqueName, 19, "$SYS_T%d", ++_uniqueTableID ) ;
return getOwnField( uniqueName, field ) ;
}
