dataClass.getDataStore( )

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4D v19.8


dataClass.getDataStore () -> Result

Parameter	Type	Description
Result	DataStore	Datastore of the dataclass

Description

The dataClass.getDataStore( ) method returns the datastore for the specified dataclass.

The datastore can be:

the main datastore, as returned by the ds command.
a remote datastore, opened using the Open datastore command.

Example

The SearchDuplicate project method searches for duplicated values in any dataclass.

 C_OBJECT($pet)

 $pet:=ds.Cats.all().first() //get an entity

 SearchDuplicate($pet;"Dogs")

  // SearchDuplicate method

  // SearchDuplicate($1;$2)

  // SearchDuplicate(entity_to_search;dataclass_name)

 

 C_OBJECT($1;$pet;$dataStore;$duplicates)

 C_TEXT($2;$dataClassName)

 $pet:=$1

 $dataClassName:=$2

 $dataStore:=$pet.getDataClass().getDataStore()

 $duplicates:=$dataStore[$dataClassName].query("name=:1";$pet.name)