testing_project/Documentation: reference/reference_lua/box_tuple/field_name — English @ Weblate: tarantool> format = {} --- ... tarantool> format[1] = {name …

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tarantool> format = {}
---
...
tarantool> format[1] = {name = 'field1', type = 'unsigned'}
---
...
tarantool> format[2] = {name = 'field2', type = 'string'}
---
...
tarantool> s = box.schema.space.create('test', {format = format})
---
...
tarantool> pk = s:create_index('pk')
---
...
tarantool> t = s:replace{1, 'Я'}
---
...
tarantool> t['field2']
---
- Я
...

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	tuple_object[field-name]
	If ``t`` is a tuple instance, ``t['field-name']`` will return the field named 'field-name' in the tuple. Fields have names if the tuple has been retrieved from a space that has an associated :ref:`format <box_space-format>`. :samp:`t[{lua-variable-name}]` will do the same thing if ``lua-variable-name`` contains ``'field-name'``.
	There is a variation which the `Lua manual <https://www.lua.org/pil/2.5.html>`_ calls "syntactic sugar": use ``t.field-name`` as an equivalent of ``t['field-name']``.
	return
	field value.
	rtype
	lua-value
	In the following example, a tuple named ``t`` is returned from ``replace`` and then the second field in ``t`` named 'field2' is returned.
	tarantool> format = {} --- ... tarantool> format[1] = {name = 'field1', type = 'unsigned'} --- ... tarantool> format[2] = {name = 'field2', type = 'string'} --- ... tarantool> s = box.schema.space.create('test', {format = format}) --- ... tarantool> pk = s:create_index('pk') --- ... tarantool> t = s:replace{1, 'Я'} --- ... tarantool> t['field2'] --- - Я ...

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