ABAP Select data from SAP table ECAMIOPR_COMPL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ECAMIOPR_COMPL
*  INTO TABLE @DATA(IT_ECAMIOPR_COMPL2).
*--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_ECAMIOPR_COMPL INDEX 1 INTO DATA(WA_ECAMIOPR_COMPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ECAMIOPR_COMPL>-MDKEY = 1.
<ECAMIOPR_COMPL>-BUPA = 1.
<ECAMIOPR_COMPL>-BANK = 1.
<ECAMIOPR_COMPL>-PC = 1.
<ECAMIOPR_COMPL>-ADDR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ECAMIOPR_COMPL-TEL, sy-vline,
  WA_ECAMIOPR_COMPL-EMAIL, sy-vline,
  WA_ECAMIOPR_COMPL-ACC, sy-vline,
  WA_ECAMIOPR_COMPL-CONT, sy-vline,
  WA_ECAMIOPR_COMPL-CI, sy-vline,
  WA_ECAMIOPR_COMPL-MR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ECAMIOPR_COMPL 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_ECAMIOPR_COMPL 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_ECAMIOPR_COMPL INTO WA_ECAMIOPR_COMPL.


*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.

*Conversion exit ALPHA, internal->external for field PRDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ECAMIOPR_COMPL-PRDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECAMIOPR_COMPL-PRDOC.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_ECAMIOPR_COMPL_STR, 
MDKEY TYPE STRING,
BUPA TYPE STRING,
BANK TYPE STRING,
PC TYPE STRING,
ADDR TYPE STRING,
TEL TYPE STRING,
EMAIL TYPE STRING,
ACC TYPE STRING,
CONT TYPE STRING,
CI TYPE STRING,
MR TYPE STRING,
MANDT TYPE STRING,
PRDOC TYPE STRING,
PRGUID TYPE STRING,
PROCESS TYPE STRING,
STATUS TYPE STRING,
LOCKED TYPE STRING,
PRVAR TYPE STRING,
XUCES TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
BEGRU TYPE STRING,
LOEVM TYPE STRING,
XNEWPARTNER TYPE STRING,
XNEWACCOUNT TYPE STRING,
EINZDAT TYPE STRING,
BEZUGSDAT TYPE STRING,
UEBADR TYPE STRING,
MI_TEXT TYPE STRING,
AUTBEGR TYPE STRING,
AUSZDAT TYPE STRING,
DEPARTUREDATE TYPE STRING,
OHNEEINZ TYPE STRING,
MO_TEXT TYPE STRING,
AUTBEST TYPE STRING,
PROPOSE_DATE TYPE STRING,
CONTACT TYPE STRING,
SAVE_IMMEDIATELY TYPE STRING,
NOTICE TYPE STRING,
SEP_MIDOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ECAMIOPR_COMPL_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_ECAMIOPR_COMPL_STR-MDKEY sy-vline 
WA_ECAMIOPR_COMPL_STR-BUPA sy-vline 
WA_ECAMIOPR_COMPL_STR-BANK sy-vline 
WA_ECAMIOPR_COMPL_STR-PC sy-vline 
WA_ECAMIOPR_COMPL_STR-ADDR sy-vline 
WA_ECAMIOPR_COMPL_STR-TEL sy-vline 
WA_ECAMIOPR_COMPL_STR-EMAIL sy-vline 
WA_ECAMIOPR_COMPL_STR-ACC sy-vline 
WA_ECAMIOPR_COMPL_STR-CONT sy-vline 
WA_ECAMIOPR_COMPL_STR-CI sy-vline 
WA_ECAMIOPR_COMPL_STR-MR sy-vline 
WA_ECAMIOPR_COMPL_STR-MANDT sy-vline 
WA_ECAMIOPR_COMPL_STR-PRDOC sy-vline 
WA_ECAMIOPR_COMPL_STR-PRGUID sy-vline 
WA_ECAMIOPR_COMPL_STR-PROCESS sy-vline 
WA_ECAMIOPR_COMPL_STR-STATUS sy-vline 
WA_ECAMIOPR_COMPL_STR-LOCKED sy-vline 
WA_ECAMIOPR_COMPL_STR-PRVAR sy-vline 
WA_ECAMIOPR_COMPL_STR-XUCES sy-vline 
WA_ECAMIOPR_COMPL_STR-ERDAT sy-vline 
WA_ECAMIOPR_COMPL_STR-ERNAM sy-vline 
WA_ECAMIOPR_COMPL_STR-AEDAT sy-vline 
WA_ECAMIOPR_COMPL_STR-AENAM sy-vline 
WA_ECAMIOPR_COMPL_STR-BEGRU sy-vline 
WA_ECAMIOPR_COMPL_STR-LOEVM sy-vline 
WA_ECAMIOPR_COMPL_STR-XNEWPARTNER sy-vline 
WA_ECAMIOPR_COMPL_STR-XNEWACCOUNT sy-vline 
WA_ECAMIOPR_COMPL_STR-EINZDAT sy-vline 
WA_ECAMIOPR_COMPL_STR-BEZUGSDAT sy-vline 
WA_ECAMIOPR_COMPL_STR-UEBADR sy-vline 
WA_ECAMIOPR_COMPL_STR-MI_TEXT sy-vline 
WA_ECAMIOPR_COMPL_STR-AUTBEGR sy-vline 
WA_ECAMIOPR_COMPL_STR-AUSZDAT sy-vline 
WA_ECAMIOPR_COMPL_STR-DEPARTUREDATE sy-vline 
WA_ECAMIOPR_COMPL_STR-OHNEEINZ sy-vline 
WA_ECAMIOPR_COMPL_STR-MO_TEXT sy-vline 
WA_ECAMIOPR_COMPL_STR-AUTBEST sy-vline 
WA_ECAMIOPR_COMPL_STR-PROPOSE_DATE sy-vline 
WA_ECAMIOPR_COMPL_STR-CONTACT sy-vline 
WA_ECAMIOPR_COMPL_STR-SAVE_IMMEDIATELY sy-vline 
WA_ECAMIOPR_COMPL_STR-NOTICE sy-vline 
WA_ECAMIOPR_COMPL_STR-SEP_MIDOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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