ABAP Select data from SAP table EMARM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EMARM
*  INTO TABLE @DATA(IT_EMARM2).
*--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_EMARM INDEX 1 INTO DATA(WA_EMARM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EMARM>-UMREZ = 1.
<EMARM>-UMREN = 1.
<EMARM>-EANNR = 1.
<EMARM>-EAN11 = 1.
<EMARM>-NUMTP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EMARM-LAENG, sy-vline,
  WA_EMARM-BREIT, sy-vline,
  WA_EMARM-HOEHE, sy-vline,
  WA_EMARM-MEABM, sy-vline,
  WA_EMARM-VOLUM, sy-vline,
  WA_EMARM-VOLEH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EMARM 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_EMARM 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_EMARM INTO WA_EMARM.


*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 EAN11, internal->external for field EAN11
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_EMARM-EAN11
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMARM-EAN11.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEABM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EMARM-MEABM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMARM-MEABM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EMARM-VOLEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMARM-VOLEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EMARM-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMARM-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MESUB
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EMARM-MESUB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMARM-MESUB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_EMARM-ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMARM-ATINN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MSEHI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EMARM-MSEHI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMARM-MSEHI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TOP_LOAD_FULL_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EMARM-TOP_LOAD_FULL_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMARM-TOP_LOAD_FULL_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field /STTPEC/SERNO_PROV_BUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EMARM-/STTPEC/SERNO_PROV_BUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EMARM-/STTPEC/SERNO_PROV_BUP.
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_EMARM_STR, 
UMREZ TYPE STRING,
UMREN TYPE STRING,
EANNR TYPE STRING,
EAN11 TYPE STRING,
NUMTP TYPE STRING,
LAENG TYPE STRING,
BREIT TYPE STRING,
HOEHE TYPE STRING,
MEABM TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
BRGEW TYPE STRING,
GEWEI TYPE STRING,
MESUB TYPE STRING,
ATINN TYPE STRING,
MESRT TYPE STRING,
XFHDW TYPE STRING,
XBEWW TYPE STRING,
KZWSO TYPE STRING,
MSEHI TYPE STRING,
BFLME_MARM TYPE STRING,
GTIN_VARIANT TYPE STRING,
NEST_FTR TYPE STRING,
MAX_STACK TYPE STRING,
TOP_LOAD_FULL TYPE STRING,
TOP_LOAD_FULL_UOM TYPE STRING,
CAPAUSE TYPE STRING,
TY2TQ TYPE STRING,
DUMMY_UOM_INCL_EEW_PS TYPE STRING,
/CWM/TY2TQ TYPE STRING,
/STTPEC/NCODE TYPE STRING,
/STTPEC/NCODE_TY TYPE STRING,
/STTPEC/RCODE TYPE STRING,
/STTPEC/SERUSE TYPE STRING,
/STTPEC/SYNCCHG TYPE STRING,
/STTPEC/SERNO_MANAGED TYPE STRING,
/STTPEC/SERNO_PROV_BUP TYPE STRING,
/STTPEC/UOM_SYNC TYPE STRING,
/STTPEC/SER_GTIN TYPE STRING,
PCBUT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EMARM_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_EMARM_STR-UMREZ sy-vline 
WA_EMARM_STR-UMREN sy-vline 
WA_EMARM_STR-EANNR sy-vline 
WA_EMARM_STR-EAN11 sy-vline 
WA_EMARM_STR-NUMTP sy-vline 
WA_EMARM_STR-LAENG sy-vline 
WA_EMARM_STR-BREIT sy-vline 
WA_EMARM_STR-HOEHE sy-vline 
WA_EMARM_STR-MEABM sy-vline 
WA_EMARM_STR-VOLUM sy-vline 
WA_EMARM_STR-VOLEH sy-vline 
WA_EMARM_STR-BRGEW sy-vline 
WA_EMARM_STR-GEWEI sy-vline 
WA_EMARM_STR-MESUB sy-vline 
WA_EMARM_STR-ATINN sy-vline 
WA_EMARM_STR-MESRT sy-vline 
WA_EMARM_STR-XFHDW sy-vline 
WA_EMARM_STR-XBEWW sy-vline 
WA_EMARM_STR-KZWSO sy-vline 
WA_EMARM_STR-MSEHI sy-vline 
WA_EMARM_STR-BFLME_MARM sy-vline 
WA_EMARM_STR-GTIN_VARIANT sy-vline 
WA_EMARM_STR-NEST_FTR sy-vline 
WA_EMARM_STR-MAX_STACK sy-vline 
WA_EMARM_STR-TOP_LOAD_FULL sy-vline 
WA_EMARM_STR-TOP_LOAD_FULL_UOM sy-vline 
WA_EMARM_STR-CAPAUSE sy-vline 
WA_EMARM_STR-TY2TQ sy-vline 
WA_EMARM_STR-DUMMY_UOM_INCL_EEW_PS sy-vline 
WA_EMARM_STR-/CWM/TY2TQ sy-vline 
WA_EMARM_STR-/STTPEC/NCODE sy-vline 
WA_EMARM_STR-/STTPEC/NCODE_TY sy-vline 
WA_EMARM_STR-/STTPEC/RCODE sy-vline 
WA_EMARM_STR-/STTPEC/SERUSE sy-vline 
WA_EMARM_STR-/STTPEC/SYNCCHG sy-vline 
WA_EMARM_STR-/STTPEC/SERNO_MANAGED sy-vline 
WA_EMARM_STR-/STTPEC/SERNO_PROV_BUP sy-vline 
WA_EMARM_STR-/STTPEC/UOM_SYNC sy-vline 
WA_EMARM_STR-/STTPEC/SER_GTIN sy-vline 
WA_EMARM_STR-PCBUT sy-vline      INTO ld_text SEPARATED BY SPACE.

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