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DBPROP_DATASOURCE_TYPE

Property group: Data Source Information

Property set: DBPROPSET_DATASOURCEINFO

Type: VT_I4

Typical R/W: R

Description: Data Source Type

Following are returned values of this property and resulting behaviors:

  • DBPROPVAL_DST_TDP — The provider is a tabular data provider.

  • DBPROPVAL_DST_MDP — The provider is a multidimensional provider.

  • DBPROPVAL_DST_TDPANDMDP — The provider is both a TDP and an MDP.

  • DBPROPVAL_DST_DOCSOURCE — The provider supports direct URL binding and is a document source provider. A consumer can expect a document source provider to exhibit the following behavior:

    • When binding to a collection and requesting a rowset, the resource rowset defines the shape of that rowset.

    • When creating a new row via ICreateRow::CreateRow, the container class is defined to be a folder and the default columns of the new row are the columns of the resource rowset.

The columns of the resource rowset are defined in the following table. Distributed Authoring and Versioning (DAV) is a protocol enhancement to HyperText Transfer Protocol (HTTP).

Column name

Column ID

Type indicator

Description

DAV property

RESOURCE_PARSENAME

DBROWCOL_PARSENAME

DBTYPE_WSTR

Read-only.

URL of the resource. This name is usually a relative URL, although it can be an absolute URL.

If the resource is the root of a tree, its parse name is defined to be an empty string.

DAV:lastpathsegment

RESOURCE_PARENTNAME

DBROWCOL_PARENTNAME

DBTYPE_WSTR

Read-only.

URL of the parent resource. The string always contains an absolute URL.

If the resource is the root of a tree, its parent name is defined to be an empty string.

DAV:parentname

RESOURCE_ABSOLUTEPARSENAME

DBROWCOL_ABSOLUTEPARSENAME

DBTYPE_WSTR

Read-only

URL of the resource. This name is always an absolute URL and for nonroot resources is the concatenation of its parent name and its parse name.

DAV:href

RESOURCE_ISHIDDEN

DBROWCOL_ISHIDDEN

DBTYPE_BOOL

VARIANT_TRUE: The resource is hidden. Therefore, no row for it will be returned in rowsets unless the command that created the rowset explicitly selected rows where RESOURCE_ISHIDDEN is VARIANT_TRUE.

DAV:ishidden

RESOURCE_ISREADONLY

DBROWCOL_ISREADONLY

DBTYPE_BOOL

VARIANT_TRUE: The resource is read-only. Attempts to open this resource with DBBINDURLFLAG_WRITE return DB_E_READONLY.

This property can be edited even when the resource has been opened only for reading.

DAV:isreadonly

RESOURCE_CONTENTTYPE

DBROWCOL_CONTENTTYPE

DBTYPE_WSTR

The MIME type of the document; for example, "text/html".

DAV:getcontenttype

RESOURCE_CONTENTCLASS

DBROWCOL_CONTENTCLASS

DBTYPE_WSTR

The likely use of the document. This might correspond to the Microsoft® Office template used to create the document.

DAV:contentclass

RESOURCE_CONTENTLANGUAGE

DBROWCOL_CONTENTLANGUAGE

DBTYPE_WSTR

The language in which the content is written; for example, "U.S. English".

DAV:getcontentlanguage

RESOURCE_CREATIONTIME

DBROWCOL_CREATIONTIME

DBTYPE_FILETIME

Read-only.

Specifies a FILETIME structure containing the time the resource was created. The time is reported in Coordinated Universal Time (UTC) format.

DAV:creationdate

RESOURCE_LASTACCESSTIME

DBROWCOL_LASTACCESSTIME

DBTYPE_FILETIME

Read-only.

Specifies a FILETIME structure containing the time that the resource was last accessed. The time is in UTC format. The FILETIME members are zero if the provider does not support this time member.

DAV:lastaccessed

RESOURCE_LASTWRITETIME

DBROWCOL_LASTWRITETIME

DBTYPE_FILETIME

Read-only.

Time when the resource was last modified. The time is stored in a FILETIME structure in UTC format. If the provider does not support the time member, the remaining FILETIME members are set to zero.

DAV:getlastmodified

RESOURCE_STREAMSIZE

DBROWCOL_STREAMSIZE

DBTYPE_UI8

Read-only.

Size of the resource's default stream, in bytes.

DAV:getcontentlength

RESOURCE_ISCOLLECTION

DBROWCOL_ISCOLLECTION

DBTYPE_BOOL

Read-only.

VARIANT_TRUE: The resource is a collection.

VARIANT_FALSE: The resource is atomic.

DAV:iscollection

RESOURCE_ISSTRUCTUREDDOCUMENT

DBROWCOL_ISSTRUCTUREDDOCUMENT

DBTYPE_BOOL

VARIANT_TRUE: The resource is a structured document.

VARIANT_FALSE: The resource is not a structured document. It could be a collection or an atomic resource.

DAV:isstructureddocument

DEFAULT_DOCUMENT

DBROWCOL_DEFAULTDOCUMENT

DBTYPE_WSTR

Read-only.

This resource contains a URL to the default simple document of a folder or a structured document. This is used when the default IStream is requested from a resource. This property is blank for atomic resources.

DAV:defaultdocument

CHAPTERED_CHILDREN

CHAPTERED_CHILDREN

OLE DB Chapter

Optional.

Read-only.

Specifies the chapter of the rowset containing the children of the resource.

RESOURCE_DISPLAYNAME

DBROWCOL_DISPLAYNAME

DBTYPE_WSTR

Read-only.

Display name of the resource.

DAV:displayname

RESOURCE_ISROOT

DBROWCOL_ISROOT

DBTYPE_BOOL

Read-only.

VARIANT_TRUE: The resource is a root of a collection. Can be used with RESOURCE_ISCOLLECTION.

DAV:isroot

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