ABAP Select data from SAP table EHPRCV_ANL_REQR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHPRCV_ANL_REQR table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to EHPRCV_ANL_REQR. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the EHPRCV_ANL_REQR table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_EHPRCV_ANL_REQR TYPE STANDARD TABLE OF EHPRCV_ANL_REQR,
      WA_EHPRCV_ANL_REQR TYPE EHPRCV_ANL_REQR,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <EHPRCV_ANL_REQR> TYPE EHPRCV_ANL_REQR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EHPRCV_ANL_REQR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EHPRCV_ANL_REQR
  INTO TABLE IT_EHPRCV_ANL_REQR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCV_ANL_REQR
*  INTO TABLE @DATA(IT_EHPRCV_ANL_REQR2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_EHPRCV_ANL_REQR INDEX 1 INTO DATA(WA_EHPRCV_ANL_REQR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EHPRCV_ANL_REQR ASSIGNING <EHPRCV_ANL_REQR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPRCV_ANL_REQR>-MANDT = 1.
<EHPRCV_ANL_REQR>-SELFKEY = 1.
<EHPRCV_ANL_REQR>-PARENTKEY = 1.
<EHPRCV_ANL_REQR>-COMPLIANCEREQUIREMENT = 1.
<EHPRCV_ANL_REQR>-REVISIONSTATUS = 1.

ENDLOOP.

LOOP AT IT_EHPRCV_ANL_REQR INTO WA_EHPRCV_ANL_REQR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPRCV_ANL_REQR-REQVALIDFROMDATE, sy-vline,
  WA_EHPRCV_ANL_REQR-REQVALIDTODATE, sy-vline,
  WA_EHPRCV_ANL_REQR-REQREGLKEYREF, sy-vline,
  WA_EHPRCV_ANL_REQR-REVISIONISLATEST, sy-vline,
  WA_EHPRCV_ANL_REQR-REQUIREMENTDESCRIPTION, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_EHPRCV_ANL_REQR you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_EHPRCV_ANL_REQR TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_EHPRCV_ANL_REQR INTO WA_EHPRCV_ANL_REQR.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_EHPRCV_ANL_REQR_STR, 
MANDT TYPE STRING,
SELFKEY TYPE STRING,
PARENTKEY TYPE STRING,
COMPLIANCEREQUIREMENT TYPE STRING,
REVISIONSTATUS TYPE STRING,
REQVALIDFROMDATE TYPE STRING,
REQVALIDTODATE TYPE STRING,
REQREGLKEYREF TYPE STRING,
REVISIONISLATEST TYPE STRING,
REQUIREMENTDESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCV_ANL_REQR_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_EHPRCV_ANL_REQR_STR-MANDT sy-vline 
WA_EHPRCV_ANL_REQR_STR-SELFKEY sy-vline 
WA_EHPRCV_ANL_REQR_STR-PARENTKEY sy-vline 
WA_EHPRCV_ANL_REQR_STR-COMPLIANCEREQUIREMENT sy-vline 
WA_EHPRCV_ANL_REQR_STR-REVISIONSTATUS sy-vline 
WA_EHPRCV_ANL_REQR_STR-REQVALIDFROMDATE sy-vline 
WA_EHPRCV_ANL_REQR_STR-REQVALIDTODATE sy-vline 
WA_EHPRCV_ANL_REQR_STR-REQREGLKEYREF sy-vline 
WA_EHPRCV_ANL_REQR_STR-REVISIONISLATEST sy-vline 
WA_EHPRCV_ANL_REQR_STR-REQUIREMENTDESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.