ABAP Select data from SAP table EFORMULAINSTCALC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EFORMULAINSTCALC 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 EFORMULAINSTCALC. 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 EFORMULAINSTCALC 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_EFORMULAINSTCALC TYPE STANDARD TABLE OF EFORMULAINSTCALC,
      WA_EFORMULAINSTCALC TYPE EFORMULAINSTCALC,
      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: <EFORMULAINSTCALC> TYPE EFORMULAINSTCALC.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EFORMULAINSTCALC
*  INTO TABLE @DATA(IT_EFORMULAINSTCALC2).
*--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_EFORMULAINSTCALC INDEX 1 INTO DATA(WA_EFORMULAINSTCALC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EFORMULAINSTCALC>-MANDT = 1.
<EFORMULAINSTCALC>-CALCNR = 1.
<EFORMULAINSTCALC>-RESTNR = 1.
<EFORMULAINSTCALC>-CDATE = 1.
<EFORMULAINSTCALC>-CTIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EFORMULAINSTCALC-CNAME, sy-vline,
  WA_EFORMULAINSTCALC-STAT_HIER, sy-vline,
  WA_EFORMULAINSTCALC-STAT_INTV, sy-vline,
  WA_EFORMULAINSTCALC-STAT_CALC, sy-vline,
  WA_EFORMULAINSTCALC-FL_RESTART, sy-vline,
  WA_EFORMULAINSTCALC-INTSIZE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EFORMULAINSTCALC 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_EFORMULAINSTCALC 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_EFORMULAINSTCALC INTO WA_EFORMULAINSTCALC.


*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_EFORMULAINSTCALC_STR, 
MANDT TYPE STRING,
CALCNR TYPE STRING,
RESTNR TYPE STRING,
CDATE TYPE STRING,
CTIME TYPE STRING,
CNAME TYPE STRING,
STAT_HIER TYPE STRING,
STAT_INTV TYPE STRING,
STAT_CALC TYPE STRING,
FL_RESTART TYPE STRING,
INTSIZE TYPE STRING,
INTNMBR TYPE STRING,
SERV0 TYPE STRING,
JANZ0 TYPE STRING,
SERV1 TYPE STRING,
JANZ1 TYPE STRING,
SERV2 TYPE STRING,
JANZ2 TYPE STRING,
SERV3 TYPE STRING,
JANZ3 TYPE STRING,
SERV4 TYPE STRING,
JANZ4 TYPE STRING,
SERV5 TYPE STRING,
JANZ5 TYPE STRING,
SERV6 TYPE STRING,
JANZ6 TYPE STRING,
SERV7 TYPE STRING,
JANZ7 TYPE STRING,
SERV8 TYPE STRING,
JANZ8 TYPE STRING,
SERV9 TYPE STRING,
JANZ9 TYPE STRING,
CALC_TO_DATE TYPE STRING,
FORMGRPID TYPE STRING,
FORMGRPINIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EFORMULAINSTCALC_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_EFORMULAINSTCALC_STR-MANDT sy-vline 
WA_EFORMULAINSTCALC_STR-CALCNR sy-vline 
WA_EFORMULAINSTCALC_STR-RESTNR sy-vline 
WA_EFORMULAINSTCALC_STR-CDATE sy-vline 
WA_EFORMULAINSTCALC_STR-CTIME sy-vline 
WA_EFORMULAINSTCALC_STR-CNAME sy-vline 
WA_EFORMULAINSTCALC_STR-STAT_HIER sy-vline 
WA_EFORMULAINSTCALC_STR-STAT_INTV sy-vline 
WA_EFORMULAINSTCALC_STR-STAT_CALC sy-vline 
WA_EFORMULAINSTCALC_STR-FL_RESTART sy-vline 
WA_EFORMULAINSTCALC_STR-INTSIZE sy-vline 
WA_EFORMULAINSTCALC_STR-INTNMBR sy-vline 
WA_EFORMULAINSTCALC_STR-SERV0 sy-vline 
WA_EFORMULAINSTCALC_STR-JANZ0 sy-vline 
WA_EFORMULAINSTCALC_STR-SERV1 sy-vline 
WA_EFORMULAINSTCALC_STR-JANZ1 sy-vline 
WA_EFORMULAINSTCALC_STR-SERV2 sy-vline 
WA_EFORMULAINSTCALC_STR-JANZ2 sy-vline 
WA_EFORMULAINSTCALC_STR-SERV3 sy-vline 
WA_EFORMULAINSTCALC_STR-JANZ3 sy-vline 
WA_EFORMULAINSTCALC_STR-SERV4 sy-vline 
WA_EFORMULAINSTCALC_STR-JANZ4 sy-vline 
WA_EFORMULAINSTCALC_STR-SERV5 sy-vline 
WA_EFORMULAINSTCALC_STR-JANZ5 sy-vline 
WA_EFORMULAINSTCALC_STR-SERV6 sy-vline 
WA_EFORMULAINSTCALC_STR-JANZ6 sy-vline 
WA_EFORMULAINSTCALC_STR-SERV7 sy-vline 
WA_EFORMULAINSTCALC_STR-JANZ7 sy-vline 
WA_EFORMULAINSTCALC_STR-SERV8 sy-vline 
WA_EFORMULAINSTCALC_STR-JANZ8 sy-vline 
WA_EFORMULAINSTCALC_STR-SERV9 sy-vline 
WA_EFORMULAINSTCALC_STR-JANZ9 sy-vline 
WA_EFORMULAINSTCALC_STR-CALC_TO_DATE sy-vline 
WA_EFORMULAINSTCALC_STR-FORMGRPID sy-vline 
WA_EFORMULAINSTCALC_STR-FORMGRPINIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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