ABAP Select data from SAP table /SCMTMS/S_EM_RETR_APPL_TABLES 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_EM_RETR_APPL_TABLES 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_EM_RETR_APPL_TABLES. 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_EM_RETR_APPL_TABLES 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_EM_RETR_APPL_TABLES TYPE STANDARD TABLE OF /SCMTMS/S_EM_RETR_APPL_TABLES,
      WA_/SCMTMS/S_EM_RETR_APPL_TABLES TYPE /SCMTMS/S_EM_RETR_APPL_TABLES,
      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_EM_RETR_APPL_TABLES> TYPE /SCMTMS/S_EM_RETR_APPL_TABLES.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/S_EM_RETR_APPL_TABLES
*  INTO TABLE @DATA(IT_/SCMTMS/S_EM_RETR_APPL_TABLES2).
*--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_EM_RETR_APPL_TABLES INDEX 1 INTO DATA(WA_/SCMTMS/S_EM_RETR_APPL_TABLES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/S_EM_RETR_APPL_TABLES>-STOP = 1.
</SCMTMS/S_EM_RETR_APPL_TABLES>-STOP_BEFORE = 1.
</SCMTMS/S_EM_RETR_APPL_TABLES>-ITEM_TR = 1.
</SCMTMS/S_EM_RETR_APPL_TABLES>-ITEM_TR_BEFORE = 1.
</SCMTMS/S_EM_RETR_APPL_TABLES>-EXECUTIONINFORMATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/S_EM_RETR_APPL_TABLES-EXECUTIONINFORMATION_BEFORE, sy-vline,
  WA_/SCMTMS/S_EM_RETR_APPL_TABLES-STOP_SUCCESSOR, sy-vline,
  WA_/SCMTMS/S_EM_RETR_APPL_TABLES-STOP_SUCCESSOR_BEFORE, sy-vline,
  WA_/SCMTMS/S_EM_RETR_APPL_TABLES-TENDERING, sy-vline,
  WA_/SCMTMS/S_EM_RETR_APPL_TABLES-STOP_ADDR, sy-vline,
  WA_/SCMTMS/S_EM_RETR_APPL_TABLES-LOCATION_ADDR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/S_EM_RETR_APPL_TABLES 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_EM_RETR_APPL_TABLES 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_EM_RETR_APPL_TABLES INTO WA_/SCMTMS/S_EM_RETR_APPL_TABLES.


*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_/SCMTMS/S_EM_RETR_APPL_TABLES_STR, 
STOP TYPE STRING,
STOP_BEFORE TYPE STRING,
ITEM_TR TYPE STRING,
ITEM_TR_BEFORE TYPE STRING,
EXECUTIONINFORMATION TYPE STRING,
EXECUTIONINFORMATION_BEFORE TYPE STRING,
STOP_SUCCESSOR TYPE STRING,
STOP_SUCCESSOR_BEFORE TYPE STRING,
TENDERING TYPE STRING,
STOP_ADDR TYPE STRING,
LOCATION_ADDR TYPE STRING,
LOCATION_LOG TYPE STRING,
REQ_ROOT TYPE STRING,
REQ_ROOT_BEFORE TYPE STRING,
REQ_TU_ROOT TYPE STRING,
REQ_TU_ROOT_BEFORE TYPE STRING,
CAPA_ROOT TYPE STRING,
CAPA_ROOT_BEFORE TYPE STRING,
TRQ_ROOT TYPE STRING,
TRQ_ROOT_BEFORE TYPE STRING,
TOR_CREATED_KEYS TYPE STRING,
PARTY TYPE STRING,
DIRECT_SHIPMENT_OPTION TYPE STRING,
CUSTOMS_ACTIVITY TYPE STRING,
CUSTOMS_ACTIVITY_BEFORE TYPE STRING,
REQ_STOP TYPE STRING,
REQ_TU_STOP TYPE STRING,
REQ_STOP_BEFORE TYPE STRING,
REQ_TU_STOP_BEFORE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/S_EM_RETR_APPL_TABLES_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_EM_RETR_APPL_TABLES_STR-STOP sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-STOP_BEFORE sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-ITEM_TR sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-ITEM_TR_BEFORE sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-EXECUTIONINFORMATION sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-EXECUTIONINFORMATION_BEFORE sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-STOP_SUCCESSOR sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-STOP_SUCCESSOR_BEFORE sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-TENDERING sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-STOP_ADDR sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-LOCATION_ADDR sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-LOCATION_LOG sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-REQ_ROOT sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-REQ_ROOT_BEFORE sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-REQ_TU_ROOT sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-REQ_TU_ROOT_BEFORE sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-CAPA_ROOT sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-CAPA_ROOT_BEFORE sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-TRQ_ROOT sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-TRQ_ROOT_BEFORE sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-TOR_CREATED_KEYS sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-PARTY sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-DIRECT_SHIPMENT_OPTION sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-CUSTOMS_ACTIVITY sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-CUSTOMS_ACTIVITY_BEFORE sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-REQ_STOP sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-REQ_TU_STOP sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-REQ_STOP_BEFORE sy-vline 
WA_/SCMTMS/S_EM_RETR_APPL_TABLES_STR-REQ_TU_STOP_BEFORE sy-vline      INTO ld_text SEPARATED BY SPACE.

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