ABAP Select data from SAP table ESH_U_SRVCCONTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_U_SRVCCONTR
*  INTO TABLE @DATA(IT_ESH_U_SRVCCONTR2).
*--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_ESH_U_SRVCCONTR INDEX 1 INTO DATA(WA_ESH_U_SRVCCONTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_U_SRVCCONTR>-MANDT = 1.
<ESH_U_SRVCCONTR>-SERVICEDOCUMENT = 1.
<ESH_U_SRVCCONTR>-SERVICEOBJECTTYPE = 1.
<ESH_U_SRVCCONTR>-CONTACTPERSON = 1.
<ESH_U_SRVCCONTR>-DISTRIBUTIONCHANNEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_U_SRVCCONTR-DIVISION, sy-vline,
  WA_ESH_U_SRVCCONTR-SOLDTOFNAME, sy-vline,
  WA_ESH_U_SRVCCONTR-EMPFNAME, sy-vline,
  WA_ESH_U_SRVCCONTR-SOLDTOLNAME, sy-vline,
  WA_ESH_U_SRVCCONTR-EMPLNAME, sy-vline,
  WA_ESH_U_SRVCCONTR-SOLDTOORGFNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_U_SRVCCONTR 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_ESH_U_SRVCCONTR 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_ESH_U_SRVCCONTR INTO WA_ESH_U_SRVCCONTR.


*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 SERVICEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_SRVCCONTR-SERVICEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_SRVCCONTR-SERVICEDOCUMENT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_SRVCCONTR-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_SRVCCONTR-SOLDTOPARTY.
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_ESH_U_SRVCCONTR_STR, 
MANDT TYPE STRING,
SERVICEDOCUMENT TYPE STRING,
SERVICEOBJECTTYPE TYPE STRING,
CONTACTPERSON TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
SOLDTOFNAME TYPE STRING,
EMPFNAME TYPE STRING,
SOLDTOLNAME TYPE STRING,
EMPLNAME TYPE STRING,
SOLDTOORGFNAME TYPE STRING,
SOLDTOORGLNAME TYPE STRING,
POSTINGDATE TYPE STRING,
RESPONSIBLEEMPLOYEE TYPE STRING,
SALESGROUP TYPE STRING,
SALESGROUPORGUNITID TYPE STRING,
SALESOFFICE TYPE STRING,
SALESOFFICEORGUNITID TYPE STRING,
SALESORGANIZATION TYPE STRING,
SALESORGANIZATIONORGUNITID TYPE STRING,
SERVICEDOCUMENTDESCRIPTION TYPE STRING,
SERVICEDOCUMENTSTATUSNAME TYPE STRING,
SERVICEDOCUMENTTEMPLATETYPE TYPE STRING,
SERVICEDOCUMENTTYPE TYPE STRING,
SERVICEDOCUMENTTYPENAME TYPE STRING,
SERVICEORGANIZATION TYPE STRING,
SERVICETEAM TYPE STRING,
SOLDTOPARTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_U_SRVCCONTR_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_ESH_U_SRVCCONTR_STR-MANDT sy-vline 
WA_ESH_U_SRVCCONTR_STR-SERVICEDOCUMENT sy-vline 
WA_ESH_U_SRVCCONTR_STR-SERVICEOBJECTTYPE sy-vline 
WA_ESH_U_SRVCCONTR_STR-CONTACTPERSON sy-vline 
WA_ESH_U_SRVCCONTR_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_ESH_U_SRVCCONTR_STR-DIVISION sy-vline 
WA_ESH_U_SRVCCONTR_STR-SOLDTOFNAME sy-vline 
WA_ESH_U_SRVCCONTR_STR-EMPFNAME sy-vline 
WA_ESH_U_SRVCCONTR_STR-SOLDTOLNAME sy-vline 
WA_ESH_U_SRVCCONTR_STR-EMPLNAME sy-vline 
WA_ESH_U_SRVCCONTR_STR-SOLDTOORGFNAME sy-vline 
WA_ESH_U_SRVCCONTR_STR-SOLDTOORGLNAME sy-vline 
WA_ESH_U_SRVCCONTR_STR-POSTINGDATE sy-vline 
WA_ESH_U_SRVCCONTR_STR-RESPONSIBLEEMPLOYEE sy-vline 
WA_ESH_U_SRVCCONTR_STR-SALESGROUP sy-vline 
WA_ESH_U_SRVCCONTR_STR-SALESGROUPORGUNITID sy-vline 
WA_ESH_U_SRVCCONTR_STR-SALESOFFICE sy-vline 
WA_ESH_U_SRVCCONTR_STR-SALESOFFICEORGUNITID sy-vline 
WA_ESH_U_SRVCCONTR_STR-SALESORGANIZATION sy-vline 
WA_ESH_U_SRVCCONTR_STR-SALESORGANIZATIONORGUNITID sy-vline 
WA_ESH_U_SRVCCONTR_STR-SERVICEDOCUMENTDESCRIPTION sy-vline 
WA_ESH_U_SRVCCONTR_STR-SERVICEDOCUMENTSTATUSNAME sy-vline 
WA_ESH_U_SRVCCONTR_STR-SERVICEDOCUMENTTEMPLATETYPE sy-vline 
WA_ESH_U_SRVCCONTR_STR-SERVICEDOCUMENTTYPE sy-vline 
WA_ESH_U_SRVCCONTR_STR-SERVICEDOCUMENTTYPENAME sy-vline 
WA_ESH_U_SRVCCONTR_STR-SERVICEORGANIZATION sy-vline 
WA_ESH_U_SRVCCONTR_STR-SERVICETEAM sy-vline 
WA_ESH_U_SRVCCONTR_STR-SOLDTOPARTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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