Definition¶

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$rename¶

The $rename operator updates the name of a field and has the following form:

The new field name must differ from the existing field name. Tospecify a <field> in an embedded document, use dot notation.

Class - amazon for mac. Consider the following example:

This operation renames the field nickname to alias, and thefield cell to mobile.

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Behavior¶

The $rename operator logically performs an $unsetof both the old name and the new name, and then performs a$set operation with the new name. As such, the operation maynot preserve the order of the fields in the document; i.e. the renamedfield may move within the document.

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If the document already has a field with the <newName>, the$rename operator removes that field and renames the specified<field> to <newName>.

If the field to rename does not exist in a document, $renamedoes nothing (i.e. no operation).

For fields in embedded documents, the $rename operator canrename these fields as well as move the fields in and out of embeddeddocuments. $rename does not work if these fields are in arrayelements.

Examples¶

A collection students contains the following documents where afield nmae appears misspelled, i.e. should be name:

The examples in this section successively updates the documents in thecollection.

Rename a Field¶

To rename a field, call the $rename operator with the currentname of the field and the new name:

This operation renames the field nmae to name for all documentsin the collection:

Rename a Field in an Embedded Document¶

To rename a field in an embedded document, call the $renameoperator using the dot notation to referto the field. If the field is to remain in the same embedded document,also use the dot notation in the new name, as in the following:

This operation renames the embedded field first to fname:

Rename a Field That Does Not Exist¶

When renaming a field and the existing field name refers to a fieldthat does not exist, the $rename operator does nothing, as inthe following:

This operation does nothing because there is no field namedwife.

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Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.

rename

(riːˈneɪm)

rename

Past participle: renamed
Gerund: renaming

Imperative
rename
rename

Present
I rename
you rename
he/she/it renames
we rename
you rename
they rename

Preterite
I renamed
you renamed
he/she/it renamed
we renamed
you renamed
they renamed

Present Continuous
I am renaming
you are renaming
he/she/it is renaming
we are renaming
you are renaming
they are renaming

Present Perfect
I have renamed
you have renamed
he/she/it has renamed
we have renamed
you have renamed
they have renamed

Past Continuous
I was renaming
you were renaming
he/she/it was renaming
we were renaming
you were renaming
they were renaming

Past Perfect
I had renamed
you had renamed
he/she/it had renamed
we had renamed
you had renamed
they had renamed

Future
I will rename
you will rename
he/she/it will rename
we will rename
you will rename
they will rename

Future Perfect
I will have renamed
you will have renamed
he/she/it will have renamed
we will have renamed
you will have renamed
they will have renamed

Future Continuous
I will be renaming
you will be renaming
he/she/it will be renaming
we will be renaming
you will be renaming
they will be renaming

Present Perfect Continuous
I have been renaming
you have been renaming
he/she/it has been renaming
we have been renaming
you have been renaming
they have been renaming

Future Perfect Continuous
I will have been renaming
you will have been renaming
he/she/it will have been renaming
we will have been renaming
you will have been renaming
they will have been renaming

Past Perfect Continuous
I had been renaming
you had been renaming
he/she/it had been renaming
we had been renaming
you had been renaming
they had been renaming

Conditional
I would rename
you would rename
he/she/it would rename
we would rename
you would rename
they would rename

Past Conditional
I would have renamed
you would have renamed
he/she/it would have renamed
we would have renamed
you would have renamed
they would have renamed

Verb	1.	rename - assign a new name to; 'Many streets in the former East Germany were renamed in 1990' call, name - assign a specified (usually proper) proper name to; 'They named their son David'; 'The new school was named after the famous Civil Rights leader'
2.	rename - name again or anew; 'He was renamed Minister of the Interior' name, nominate, make - charge with a function; charge to be; 'She was named Head of the Committee'; 'She was made president of the club'

rename

[ˈriːˈneɪm]VT → ponernuevonombre a
they have renamed it 'Mon Repos' → le han puesto el nuevonombre de 'Mon Repos'

rename

[ˌriːˈneɪm]vt [+ person, town, building, company, organization] → rebaptiser; [+ computer file] → renommer

Renamergen

rename

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