ABAP Select data from SAP table /SCMTMS/S_ATTR_ROOT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCMTMS/S_ATTR_ROOT 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 /SCMTMS/S_ATTR_ROOT. 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 /SCMTMS/S_ATTR_ROOT 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_/SCMTMS/S_ATTR_ROOT TYPE STANDARD TABLE OF /SCMTMS/S_ATTR_ROOT,
      WA_/SCMTMS/S_ATTR_ROOT TYPE /SCMTMS/S_ATTR_ROOT,
      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: </SCMTMS/S_ATTR_ROOT> TYPE /SCMTMS/S_ATTR_ROOT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCMTMS/S_ATTR_ROOT
  INTO TABLE IT_/SCMTMS/S_ATTR_ROOT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/S_ATTR_ROOT
*  INTO TABLE @DATA(IT_/SCMTMS/S_ATTR_ROOT2).
*--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_/SCMTMS/S_ATTR_ROOT INDEX 1 INTO DATA(WA_/SCMTMS/S_ATTR_ROOT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCMTMS/S_ATTR_ROOT ASSIGNING </SCMTMS/S_ATTR_ROOT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/S_ATTR_ROOT>-MOT_ROOT = 1.
</SCMTMS/S_ATTR_ROOT>-MOT_CAT_ROOT = 1.
</SCMTMS/S_ATTR_ROOT>-SHIP_TCO_ROOT = 1.
</SCMTMS/S_ATTR_ROOT>-TRAFFIC_DIR_ROOT = 1.
</SCMTMS/S_ATTR_ROOT>-MOVEM_TYPE_ROOT = 1.

ENDLOOP.

LOOP AT IT_/SCMTMS/S_ATTR_ROOT INTO WA_/SCMTMS/S_ATTR_ROOT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/S_ATTR_ROOT-SRVLVL_CODE_ROOT, sy-vline,
  WA_/SCMTMS/S_ATTR_ROOT-STAGE_CAT_ROOT, sy-vline,
  WA_/SCMTMS/S_ATTR_ROOT-STAGE_TYPE_ROOT, sy-vline,
  WA_/SCMTMS/S_ATTR_ROOT-SKIP_AGREEMENTS, sy-vline,
  WA_/SCMTMS/S_ATTR_ROOT-CONTRACT_BASIS_ROOT, sy-vline,
  WA_/SCMTMS/S_ATTR_ROOT-CONSOLIDATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/S_ATTR_ROOT 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_/SCMTMS/S_ATTR_ROOT 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_/SCMTMS/S_ATTR_ROOT INTO WA_/SCMTMS/S_ATTR_ROOT.


*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 BTD_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_ATTR_ROOT-BTD_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_ATTR_ROOT-BTD_ID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ID001, internal->external for field UNCONTR_PARTY_KEY
CALL FUNCTION 'CONVERSION_EXIT_ID001_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_ATTR_ROOT-UNCONTR_PARTY_KEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_ATTR_ROOT-UNCONTR_PARTY_KEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ID001, internal->external for field ORIG_ORD_PARTY_UUID
CALL FUNCTION 'CONVERSION_EXIT_ID001_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_ATTR_ROOT-ORIG_ORD_PARTY_UUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_ATTR_ROOT-ORIG_ORD_PARTY_UUID.
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_/SCMTMS/S_ATTR_ROOT_STR, 
MOT_ROOT TYPE STRING,
MOT_CAT_ROOT TYPE STRING,
SHIP_TCO_ROOT TYPE STRING,
TRAFFIC_DIR_ROOT TYPE STRING,
MOVEM_TYPE_ROOT TYPE STRING,
SRVLVL_CODE_ROOT TYPE STRING,
STAGE_CAT_ROOT TYPE STRING,
STAGE_TYPE_ROOT TYPE STRING,
SKIP_AGREEMENTS TYPE STRING,
CONTRACT_BASIS_ROOT TYPE STRING,
CONSOLIDATION TYPE STRING,
UNCONTROLLED TYPE STRING,
BTD_ID TYPE STRING,
UNCONTR_PARTY TYPE STRING,
UNCONTR_PARTY_KEY TYPE STRING,
RESOURCE_IND TYPE STRING,
SPLIT_IND TYPE STRING,
ISSUING_AIRLINE TYPE STRING,
TACT_ITEM_TRANS TYPE STRING,
AWB_PRINT TYPE STRING,
AWB_SETTLEMENT TYPE STRING,
OWNERSHIP_TYPE TYPE STRING,
SEL_SP TYPE STRING,
MTR_TCO_ROOT TYPE STRING,
PAYER TYPE STRING,
ORIG_ORD_PARTY_UUID TYPE STRING,
ORIG_SALES_ORG_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/S_ATTR_ROOT_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_/SCMTMS/S_ATTR_ROOT_STR-MOT_ROOT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-MOT_CAT_ROOT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-SHIP_TCO_ROOT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-TRAFFIC_DIR_ROOT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-MOVEM_TYPE_ROOT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-SRVLVL_CODE_ROOT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-STAGE_CAT_ROOT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-STAGE_TYPE_ROOT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-SKIP_AGREEMENTS sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-CONTRACT_BASIS_ROOT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-CONSOLIDATION sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-UNCONTROLLED sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-BTD_ID sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-UNCONTR_PARTY sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-UNCONTR_PARTY_KEY sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-RESOURCE_IND sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-SPLIT_IND sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-ISSUING_AIRLINE sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-TACT_ITEM_TRANS sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-AWB_PRINT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-AWB_SETTLEMENT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-OWNERSHIP_TYPE sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-SEL_SP sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-MTR_TCO_ROOT sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-PAYER sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-ORIG_ORD_PARTY_UUID sy-vline 
WA_/SCMTMS/S_ATTR_ROOT_STR-ORIG_SALES_ORG_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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