ABAP Select data from SAP table E1MARAISM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1MARAISM 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 E1MARAISM. 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 E1MARAISM 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_E1MARAISM TYPE STANDARD TABLE OF E1MARAISM,
      WA_E1MARAISM TYPE E1MARAISM,
      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: <E1MARAISM> TYPE E1MARAISM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1MARAISM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1MARAISM
  INTO TABLE IT_E1MARAISM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1MARAISM
*  INTO TABLE @DATA(IT_E1MARAISM2).
*--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_E1MARAISM INDEX 1 INTO DATA(WA_E1MARAISM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1MARAISM ASSIGNING <E1MARAISM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1MARAISM>-ISMHIERARCHLEVL = 1.
<E1MARAISM>-ISMISPCNROB = 1.
<E1MARAISM>-ISMISPCNRTO = 1.
<E1MARAISM>-ISMARTIST = 1.
<E1MARAISM>-ISMTITLE = 1.

ENDLOOP.

LOOP AT IT_E1MARAISM INTO WA_E1MARAISM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1MARAISM-ISMSUBTITLE1, sy-vline,
  WA_E1MARAISM-ISMSUBTITLE2, sy-vline,
  WA_E1MARAISM-ISMSUBTITLE3, sy-vline,
  WA_E1MARAISM-ISMDESCRMSD, sy-vline,
  WA_E1MARAISM-ISMSTATISTICGRP, sy-vline,
  WA_E1MARAISM-ISMREPORTGRP1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1MARAISM 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_E1MARAISM 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_E1MARAISM INTO WA_E1MARAISM.


*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_E1MARAISM_STR, 
ISMHIERARCHLEVL TYPE STRING,
ISMISPCNROB TYPE STRING,
ISMISPCNRTO TYPE STRING,
ISMARTIST TYPE STRING,
ISMTITLE TYPE STRING,
ISMSUBTITLE1 TYPE STRING,
ISMSUBTITLE2 TYPE STRING,
ISMSUBTITLE3 TYPE STRING,
ISMDESCRMSD TYPE STRING,
ISMSTATISTICGRP TYPE STRING,
ISMREPORTGRP1 TYPE STRING,
ISMREPORTGRP2 TYPE STRING,
ISMREFMDPRFAM TYPE STRING,
ISMREFMDPROD TYPE STRING,
ISMPUBLTYPE TYPE STRING,
ISMMEDIATYPE TYPE STRING,
ISMCONTTYPE TYPE STRING,
ISMPUBLICATION TYPE STRING,
ISMEDITION TYPE STRING,
ISMISSUE TYPE STRING,
ISMPUBLDATE TYPE STRING,
ISMORGKEY TYPE STRING,
ISMIMPRINT TYPE STRING,
ISMRESPPLANER TYPE STRING,
ISMRESPPROD TYPE STRING,
ISMLANGUAGES TYPE STRING,
ISMPUBLPERIOD TYPE STRING,
ISMPUBLPERTYP TYPE STRING,
ISMEDITIONNUM TYPE STRING,
ISMEDITIONTYPE TYPE STRING,
ISMREPRINTNUM TYPE STRING,
ISMREPRINTTYPE TYPE STRING,
ISMRELEASE TYPE STRING,
ISMORPUBLISHER TYPE STRING,
ISMORIGTITLE TYPE STRING,
ISMORIDCODE TYPE STRING,
ISMORIDCDTYPE TYPE STRING,
ISMORIGLANG TYPE STRING,
ISMFRSTPUBLPER TYPE STRING,
ISMFRSTPBPERTYP TYPE STRING,
ISMFRSTPUBLDATE TYPE STRING,
ISMGROSSPRINTRUN TYPE STRING,
ISMAUDITRETNR TYPE STRING,
ISMAUDITRETTYPE TYPE STRING,
ISMXIGNAUDITSTAT TYPE STRING,
ISMCPREXCEP TYPE STRING,
ISMPERRULE TYPE STRING,
ISMNRINYEAR TYPE STRING,
ISMCOPYNR TYPE STRING,
ISMYEARNR TYPE STRING,
ISMISSUETYPEST TYPE STRING,
ISMISSUETYPEAC TYPE STRING,
ISMINITSHIPDATE TYPE STRING,
ISMDELIVTYPE TYPE STRING,
ISMXSUPPLYCOMM TYPE STRING,
ISMMATRETURN TYPE STRING,
ISMDESIGN TYPE STRING,
ISMEXTENT TYPE STRING,
ISMEXTENTUNIT TYPE STRING,
ISMFORMAT TYPE STRING,
ISMNUMBER1 TYPE STRING,
ISMNUMUNIT1 TYPE STRING,
ISMNUMBER2 TYPE STRING,
ISMNUMUNIT2 TYPE STRING,
ISMPAPWEIGHT TYPE STRING,
ISMPAPWTCOV TYPE STRING,
ISMPAPWTHUNIT TYPE STRING,
ISMSHEETWEIGHT TYPE STRING,
ISMSHEETWTCOV TYPE STRING,
ISMSHEETWTUNIT TYPE STRING,
ISMADINSERTNR TYPE STRING,
ISMADINSERTTYPE TYPE STRING,
ISMWASTEDISPREQU TYPE STRING,
ISMTIEINAD TYPE STRING,
ISMADINSERTIDNR TYPE STRING,
ISMXINDIVSPEC TYPE STRING,
ISMPOSTALFORMAT TYPE STRING,
ISMBASICYEAR TYPE STRING,
ISMFKALID TYPE STRING,
ISMMPGNGRP TYPE STRING,
ISMSTATUSMSD TYPE STRING,
ISMXPRPERDT TYPE STRING,
ISMXPRPERSPLIT TYPE STRING,
ISMNUMTYP1 TYPE STRING,
ISMNUMTYP2 TYPE STRING,
ISMTITLELEVEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1MARAISM_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_E1MARAISM_STR-ISMHIERARCHLEVL sy-vline 
WA_E1MARAISM_STR-ISMISPCNROB sy-vline 
WA_E1MARAISM_STR-ISMISPCNRTO sy-vline 
WA_E1MARAISM_STR-ISMARTIST sy-vline 
WA_E1MARAISM_STR-ISMTITLE sy-vline 
WA_E1MARAISM_STR-ISMSUBTITLE1 sy-vline 
WA_E1MARAISM_STR-ISMSUBTITLE2 sy-vline 
WA_E1MARAISM_STR-ISMSUBTITLE3 sy-vline 
WA_E1MARAISM_STR-ISMDESCRMSD sy-vline 
WA_E1MARAISM_STR-ISMSTATISTICGRP sy-vline 
WA_E1MARAISM_STR-ISMREPORTGRP1 sy-vline 
WA_E1MARAISM_STR-ISMREPORTGRP2 sy-vline 
WA_E1MARAISM_STR-ISMREFMDPRFAM sy-vline 
WA_E1MARAISM_STR-ISMREFMDPROD sy-vline 
WA_E1MARAISM_STR-ISMPUBLTYPE sy-vline 
WA_E1MARAISM_STR-ISMMEDIATYPE sy-vline 
WA_E1MARAISM_STR-ISMCONTTYPE sy-vline 
WA_E1MARAISM_STR-ISMPUBLICATION sy-vline 
WA_E1MARAISM_STR-ISMEDITION sy-vline 
WA_E1MARAISM_STR-ISMISSUE sy-vline 
WA_E1MARAISM_STR-ISMPUBLDATE sy-vline 
WA_E1MARAISM_STR-ISMORGKEY sy-vline 
WA_E1MARAISM_STR-ISMIMPRINT sy-vline 
WA_E1MARAISM_STR-ISMRESPPLANER sy-vline 
WA_E1MARAISM_STR-ISMRESPPROD sy-vline 
WA_E1MARAISM_STR-ISMLANGUAGES sy-vline 
WA_E1MARAISM_STR-ISMPUBLPERIOD sy-vline 
WA_E1MARAISM_STR-ISMPUBLPERTYP sy-vline 
WA_E1MARAISM_STR-ISMEDITIONNUM sy-vline 
WA_E1MARAISM_STR-ISMEDITIONTYPE sy-vline 
WA_E1MARAISM_STR-ISMREPRINTNUM sy-vline 
WA_E1MARAISM_STR-ISMREPRINTTYPE sy-vline 
WA_E1MARAISM_STR-ISMRELEASE sy-vline 
WA_E1MARAISM_STR-ISMORPUBLISHER sy-vline 
WA_E1MARAISM_STR-ISMORIGTITLE sy-vline 
WA_E1MARAISM_STR-ISMORIDCODE sy-vline 
WA_E1MARAISM_STR-ISMORIDCDTYPE sy-vline 
WA_E1MARAISM_STR-ISMORIGLANG sy-vline 
WA_E1MARAISM_STR-ISMFRSTPUBLPER sy-vline 
WA_E1MARAISM_STR-ISMFRSTPBPERTYP sy-vline 
WA_E1MARAISM_STR-ISMFRSTPUBLDATE sy-vline 
WA_E1MARAISM_STR-ISMGROSSPRINTRUN sy-vline 
WA_E1MARAISM_STR-ISMAUDITRETNR sy-vline 
WA_E1MARAISM_STR-ISMAUDITRETTYPE sy-vline 
WA_E1MARAISM_STR-ISMXIGNAUDITSTAT sy-vline 
WA_E1MARAISM_STR-ISMCPREXCEP sy-vline 
WA_E1MARAISM_STR-ISMPERRULE sy-vline 
WA_E1MARAISM_STR-ISMNRINYEAR sy-vline 
WA_E1MARAISM_STR-ISMCOPYNR sy-vline 
WA_E1MARAISM_STR-ISMYEARNR sy-vline 
WA_E1MARAISM_STR-ISMISSUETYPEST sy-vline 
WA_E1MARAISM_STR-ISMISSUETYPEAC sy-vline 
WA_E1MARAISM_STR-ISMINITSHIPDATE sy-vline 
WA_E1MARAISM_STR-ISMDELIVTYPE sy-vline 
WA_E1MARAISM_STR-ISMXSUPPLYCOMM sy-vline 
WA_E1MARAISM_STR-ISMMATRETURN sy-vline 
WA_E1MARAISM_STR-ISMDESIGN sy-vline 
WA_E1MARAISM_STR-ISMEXTENT sy-vline 
WA_E1MARAISM_STR-ISMEXTENTUNIT sy-vline 
WA_E1MARAISM_STR-ISMFORMAT sy-vline 
WA_E1MARAISM_STR-ISMNUMBER1 sy-vline 
WA_E1MARAISM_STR-ISMNUMUNIT1 sy-vline 
WA_E1MARAISM_STR-ISMNUMBER2 sy-vline 
WA_E1MARAISM_STR-ISMNUMUNIT2 sy-vline 
WA_E1MARAISM_STR-ISMPAPWEIGHT sy-vline 
WA_E1MARAISM_STR-ISMPAPWTCOV sy-vline 
WA_E1MARAISM_STR-ISMPAPWTHUNIT sy-vline 
WA_E1MARAISM_STR-ISMSHEETWEIGHT sy-vline 
WA_E1MARAISM_STR-ISMSHEETWTCOV sy-vline 
WA_E1MARAISM_STR-ISMSHEETWTUNIT sy-vline 
WA_E1MARAISM_STR-ISMADINSERTNR sy-vline 
WA_E1MARAISM_STR-ISMADINSERTTYPE sy-vline 
WA_E1MARAISM_STR-ISMWASTEDISPREQU sy-vline 
WA_E1MARAISM_STR-ISMTIEINAD sy-vline 
WA_E1MARAISM_STR-ISMADINSERTIDNR sy-vline 
WA_E1MARAISM_STR-ISMXINDIVSPEC sy-vline 
WA_E1MARAISM_STR-ISMPOSTALFORMAT sy-vline 
WA_E1MARAISM_STR-ISMBASICYEAR sy-vline 
WA_E1MARAISM_STR-ISMFKALID sy-vline 
WA_E1MARAISM_STR-ISMMPGNGRP sy-vline 
WA_E1MARAISM_STR-ISMSTATUSMSD sy-vline 
WA_E1MARAISM_STR-ISMXPRPERDT sy-vline 
WA_E1MARAISM_STR-ISMXPRPERSPLIT sy-vline 
WA_E1MARAISM_STR-ISMNUMTYP1 sy-vline 
WA_E1MARAISM_STR-ISMNUMTYP2 sy-vline 
WA_E1MARAISM_STR-ISMTITLELEVEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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