ABAP Select data from SAP table E1MARC1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1MARC1 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 E1MARC1. 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 E1MARC1 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_E1MARC1 TYPE STANDARD TABLE OF E1MARC1,
      WA_E1MARC1 TYPE E1MARC1,
      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: <E1MARC1> TYPE E1MARC1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1MARC1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1MARC1
  INTO TABLE IT_E1MARC1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1MARC1
*  INTO TABLE @DATA(IT_E1MARC12).
*--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_E1MARC1 INDEX 1 INTO DATA(WA_E1MARC12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1MARC1 ASSIGNING <E1MARC1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1MARC1>-NFMAT_EXTERNAL = 1.
<E1MARC1>-NFMAT_VERSION = 1.
<E1MARC1>-NFMAT_GUID = 1.
<E1MARC1>-STDPD_EXTERNAL = 1.
<E1MARC1>-STDPD_VERSION = 1.

ENDLOOP.

LOOP AT IT_E1MARC1 INTO WA_E1MARC1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1MARC1-STDPD_GUID, sy-vline,
  WA_E1MARC1-VRBMT_EXTERNAL, sy-vline,
  WA_E1MARC1-VRBMT_VERSION, sy-vline,
  WA_E1MARC1-VRBMT_GUID, sy-vline,
  WA_E1MARC1-NFMAT_LONG, sy-vline,
  WA_E1MARC1-STDPD_LONG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1MARC1 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_E1MARC1 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_E1MARC1 INTO WA_E1MARC1.


*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_E1MARC1_STR, 
NFMAT_EXTERNAL TYPE STRING,
NFMAT_VERSION TYPE STRING,
NFMAT_GUID TYPE STRING,
STDPD_EXTERNAL TYPE STRING,
STDPD_VERSION TYPE STRING,
STDPD_GUID TYPE STRING,
VRBMT_EXTERNAL TYPE STRING,
VRBMT_VERSION TYPE STRING,
VRBMT_GUID TYPE STRING,
NFMAT_LONG TYPE STRING,
STDPD_LONG TYPE STRING,
VRBMT_LONG TYPE STRING,
UCMAT_LONG TYPE STRING,
SCM_GRPRT TYPE STRING,
SCM_GIPRT TYPE STRING,
SCM_SCOST TYPE STRING,
SCM_RELDT TYPE STRING,
SCM_RRP_TYPE TYPE STRING,
SCM_HEUR_ID TYPE STRING,
SCM_PACKAGE_ID TYPE STRING,
SCM_SSPEN TYPE STRING,
SCM_GET_ALERTS TYPE STRING,
SCM_RES_NET_NAME TYPE STRING,
SCM_CONHAP TYPE STRING,
SCM_HUNIT TYPE STRING,
SCM_CONHAP_OUT TYPE STRING,
SCM_HUNIT_OUT TYPE STRING,
SCM_SHELF_LIFE_LOC TYPE STRING,
SCM_SHELF_LIFE_DUR TYPE STRING,
SCM_MATURITY_DUR TYPE STRING,
SCM_SHLF_LFE_REQ_MIN TYPE STRING,
SCM_SHLF_LFE_REQ_MAX TYPE STRING,
SCM_LSUOM TYPE STRING,
SCM_REORD_DUR TYPE STRING,
SCM_TARGET_DUR TYPE STRING,
SCM_TSTRID TYPE STRING,
SCM_STRA1 TYPE STRING,
SCM_PEG_PAST_ALERT TYPE STRING,
SCM_PEG_FUTURE_ALERT TYPE STRING,
SCM_PEG_STRATEGY TYPE STRING,
SCM_PEG_WO_ALERT_FST TYPE STRING,
SCM_FIXPEG_PROD_SET TYPE STRING,
SCM_WHATBOM TYPE STRING,
DEF_SEG_LONG TYPE STRING,
FSH_MG_ARUN_REQ TYPE STRING,
ARUN_FIX_BATCH TYPE STRING,
SCM_RRP_SEL_GROUP TYPE STRING,
SCM_INTSRC_PROF TYPE STRING,
SCM_PRIO TYPE STRING,
SCM_MIN_PASS_AMOUNT TYPE STRING,
SCM_PROFID TYPE STRING,
SCM_GES_MNG_USE TYPE STRING,
SCM_GES_BST_USE TYPE STRING,
SGT_MRPSI TYPE STRING,
SCM_THRUPUT_TIME TYPE STRING,
SCM_TPOP TYPE STRING,
SCM_SAFTY_V TYPE STRING,
SCM_PPSAFTYSTK TYPE STRING,
SCM_PPSAFTYSTK_V TYPE STRING,
SCM_REPSAFTY TYPE STRING,
SCM_REPSAFTY_V TYPE STRING,
SCM_REORD_V TYPE STRING,
SCM_MAXSTOCK_V TYPE STRING,
SCM_SCOST_PRCNT TYPE STRING,
SCM_PROC_COST TYPE STRING,
SCM_NDCOSTWE TYPE STRING,
SCM_NDCOSTWA TYPE STRING,
ESPPFLG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1MARC1_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_E1MARC1_STR-NFMAT_EXTERNAL sy-vline 
WA_E1MARC1_STR-NFMAT_VERSION sy-vline 
WA_E1MARC1_STR-NFMAT_GUID sy-vline 
WA_E1MARC1_STR-STDPD_EXTERNAL sy-vline 
WA_E1MARC1_STR-STDPD_VERSION sy-vline 
WA_E1MARC1_STR-STDPD_GUID sy-vline 
WA_E1MARC1_STR-VRBMT_EXTERNAL sy-vline 
WA_E1MARC1_STR-VRBMT_VERSION sy-vline 
WA_E1MARC1_STR-VRBMT_GUID sy-vline 
WA_E1MARC1_STR-NFMAT_LONG sy-vline 
WA_E1MARC1_STR-STDPD_LONG sy-vline 
WA_E1MARC1_STR-VRBMT_LONG sy-vline 
WA_E1MARC1_STR-UCMAT_LONG sy-vline 
WA_E1MARC1_STR-SCM_GRPRT sy-vline 
WA_E1MARC1_STR-SCM_GIPRT sy-vline 
WA_E1MARC1_STR-SCM_SCOST sy-vline 
WA_E1MARC1_STR-SCM_RELDT sy-vline 
WA_E1MARC1_STR-SCM_RRP_TYPE sy-vline 
WA_E1MARC1_STR-SCM_HEUR_ID sy-vline 
WA_E1MARC1_STR-SCM_PACKAGE_ID sy-vline 
WA_E1MARC1_STR-SCM_SSPEN sy-vline 
WA_E1MARC1_STR-SCM_GET_ALERTS sy-vline 
WA_E1MARC1_STR-SCM_RES_NET_NAME sy-vline 
WA_E1MARC1_STR-SCM_CONHAP sy-vline 
WA_E1MARC1_STR-SCM_HUNIT sy-vline 
WA_E1MARC1_STR-SCM_CONHAP_OUT sy-vline 
WA_E1MARC1_STR-SCM_HUNIT_OUT sy-vline 
WA_E1MARC1_STR-SCM_SHELF_LIFE_LOC sy-vline 
WA_E1MARC1_STR-SCM_SHELF_LIFE_DUR sy-vline 
WA_E1MARC1_STR-SCM_MATURITY_DUR sy-vline 
WA_E1MARC1_STR-SCM_SHLF_LFE_REQ_MIN sy-vline 
WA_E1MARC1_STR-SCM_SHLF_LFE_REQ_MAX sy-vline 
WA_E1MARC1_STR-SCM_LSUOM sy-vline 
WA_E1MARC1_STR-SCM_REORD_DUR sy-vline 
WA_E1MARC1_STR-SCM_TARGET_DUR sy-vline 
WA_E1MARC1_STR-SCM_TSTRID sy-vline 
WA_E1MARC1_STR-SCM_STRA1 sy-vline 
WA_E1MARC1_STR-SCM_PEG_PAST_ALERT sy-vline 
WA_E1MARC1_STR-SCM_PEG_FUTURE_ALERT sy-vline 
WA_E1MARC1_STR-SCM_PEG_STRATEGY sy-vline 
WA_E1MARC1_STR-SCM_PEG_WO_ALERT_FST sy-vline 
WA_E1MARC1_STR-SCM_FIXPEG_PROD_SET sy-vline 
WA_E1MARC1_STR-SCM_WHATBOM sy-vline 
WA_E1MARC1_STR-DEF_SEG_LONG sy-vline 
WA_E1MARC1_STR-FSH_MG_ARUN_REQ sy-vline 
WA_E1MARC1_STR-ARUN_FIX_BATCH sy-vline 
WA_E1MARC1_STR-SCM_RRP_SEL_GROUP sy-vline 
WA_E1MARC1_STR-SCM_INTSRC_PROF sy-vline 
WA_E1MARC1_STR-SCM_PRIO sy-vline 
WA_E1MARC1_STR-SCM_MIN_PASS_AMOUNT sy-vline 
WA_E1MARC1_STR-SCM_PROFID sy-vline 
WA_E1MARC1_STR-SCM_GES_MNG_USE sy-vline 
WA_E1MARC1_STR-SCM_GES_BST_USE sy-vline 
WA_E1MARC1_STR-SGT_MRPSI sy-vline 
WA_E1MARC1_STR-SCM_THRUPUT_TIME sy-vline 
WA_E1MARC1_STR-SCM_TPOP sy-vline 
WA_E1MARC1_STR-SCM_SAFTY_V sy-vline 
WA_E1MARC1_STR-SCM_PPSAFTYSTK sy-vline 
WA_E1MARC1_STR-SCM_PPSAFTYSTK_V sy-vline 
WA_E1MARC1_STR-SCM_REPSAFTY sy-vline 
WA_E1MARC1_STR-SCM_REPSAFTY_V sy-vline 
WA_E1MARC1_STR-SCM_REORD_V sy-vline 
WA_E1MARC1_STR-SCM_MAXSTOCK_V sy-vline 
WA_E1MARC1_STR-SCM_SCOST_PRCNT sy-vline 
WA_E1MARC1_STR-SCM_PROC_COST sy-vline 
WA_E1MARC1_STR-SCM_NDCOSTWE sy-vline 
WA_E1MARC1_STR-SCM_NDCOSTWA sy-vline 
WA_E1MARC1_STR-ESPPFLG sy-vline      INTO ld_text SEPARATED BY SPACE.

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