Function dscToMetaItem

src/jrd/PreparedStatement.cpp:49–164

	};

	void dscToMetaItem(const dsc* desc, MsgMetadata::Item& item)
	{
		item.finished = true;

		switch (desc->dsc_dtype)
		{
			case dtype_text:
				item.type = SQL_TEXT;
				item.charSet = desc->dsc_ttype();
				item.length = desc->dsc_length;
				break;

			case dtype_varying:
				item.type = SQL_VARYING;
				item.charSet = desc->dsc_ttype();
				fb_assert(desc->dsc_length >= sizeof(USHORT));
				item.length = desc->dsc_length - sizeof(USHORT);
				break;

			case dtype_short:
				item.type = SQL_SHORT;
				item.scale = desc->dsc_scale;
				item.length = sizeof(SSHORT);
				break;

			case dtype_long:
				item.type = SQL_LONG;
				item.scale = desc->dsc_scale;
				item.length = sizeof(SLONG);
				break;

			case dtype_quad:
				item.type = SQL_QUAD;
				item.scale = desc->dsc_scale;
				item.length = sizeof(SLONG) * 2;
				break;

			case dtype_int64:
				item.type = SQL_INT64;
				item.scale = desc->dsc_scale;
				item.length = sizeof(SINT64);
				break;

			case dtype_real:
				item.type = SQL_FLOAT;
				item.length = sizeof(float);
				break;

			case dtype_double:
				item.type = SQL_DOUBLE;
				item.length = sizeof(double);
				break;

			case dtype_dec64:
				item.type = SQL_DEC16;
				item.length = sizeof(Decimal64);
				break;