Property talk:P6442

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Douban book version/edition ID
identifier for a version or edition of a book or a journal at the website Douban

Associated item	Douban (Q5299559)
Applicable "stated in" value	Douban (Q5299559)
Data type	External identifier
Allowed values	[1-9]\d*
Source	https://book.douban.com/
Formatter URL	https://book.douban.com/subject/$1/
Related to country	People's Republic of China (Q148) (See 127 others)
See also	Douban music ID (P6445), Douban game ID (P6444), Douban drama ID (P6443), Douban Read eBook ID (P6448)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P6442 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 246 Main statement 244 99.2% of uses Reference 2 0.8% of uses
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Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P6442#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P6442#Unique value, SPARQL (every item), SPARQL (by value)

Format “[1-9]\d*”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P6442#Format, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P6442#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P6442#Scope, SPARQL

Qualifiers “subject named as (P1810), publisher (P123), publication date (P577)”: this property should be used only with the listed qualifiers. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P6442#allowed qualifiers, SPARQL

This property is being used by: zh:Template:Douban en:Template:Douban Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)