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Generation of the data flow in SQL access mode

 

Typical structure

BEGIN_STD_DFL

NUM_E(15,0) SQL_RET_CODE

LOADING LDG_ENTITY2<window.object:list_prop> *SQL ENTITY1 -

*COND(.....) *SORT(.....) LoadingStep

END_STD_DFL

 

The condition generated depends on the access path specified and the access type defined for the list loading.

If a load step has been specified, it appears at the end of the load declaration.

 

As regards the host variables of the SQL condition, those taken into account are:

  • The first Input/Output screen field whose origin is the logical property defined in the entity's access.

  • The first screen field whose original logical entity is different from the entity processed, but has the same original conceptual property.

  • The field of the entity which constitutes the access.

The sort is made according to the following rule:

  • If the entity key is convenient for the access path indicated, the sort will affect all the fields which constitute the key.

  • If it is not, choose the first access with a convenient path, and the sort will affect the entire key of the access.

  • Otherwise, the sort will only affect the fields which constitute the path indicated.

 

 

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