ABAP Select data from SAP table ESTESCD_ARC_ES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESTESCD_ARC_ES
*  INTO TABLE @DATA(IT_ESTESCD_ARC_ES2).
*--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_ESTESCD_ARC_ES INDEX 1 INTO DATA(WA_ESTESCD_ARC_ES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESTESCD_ARC_ES>-MANDT = 1.
<ESTESCD_ARC_ES>-RECN = 1.
<ESTESCD_ARC_ES>-RECNROOT = 1.
<ESTESCD_ARC_ES>-RECN_TO_WRK_SUBST = 1.
<ESTESCD_ARC_ES>-EHS_ES_HEAD_RECN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESTESCD_ARC_ES-CRTIMESTAMP_UTC, sy-vline,
  WA_ESTESCD_ARC_ES-CRNAM, sy-vline,
  WA_ESTESCD_ARC_ES-UPDTIMESTAMP_UTC, sy-vline,
  WA_ESTESCD_ARC_ES-UPDNAM, sy-vline,
  WA_ESTESCD_ARC_ES-EHS_ES_HEAD_ID, sy-vline,
  WA_ESTESCD_ARC_ES-UUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESTESCD_ARC_ES 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_ESTESCD_ARC_ES 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_ESTESCD_ARC_ES INTO WA_ESTESCD_ARC_ES.


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

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

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

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

*Conversion exit SPEC1, internal->external for field EHS_ES_HEAD_ID
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_ESTESCD_ARC_ES-EHS_ES_HEAD_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESTESCD_ARC_ES-EHS_ES_HEAD_ID.
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_ESTESCD_ARC_ES_STR, 
MANDT TYPE STRING,
RECN TYPE STRING,
RECNROOT TYPE STRING,
RECN_TO_WRK_SUBST TYPE STRING,
EHS_ES_HEAD_RECN TYPE STRING,
CRTIMESTAMP_UTC TYPE STRING,
CRNAM TYPE STRING,
UPDTIMESTAMP_UTC TYPE STRING,
UPDNAM TYPE STRING,
EHS_ES_HEAD_ID TYPE STRING,
UUID TYPE STRING,
UUID_OUT TYPE STRING,
VERSION_DATE TYPE STRING,
ES_ORDER TYPE STRING,
ES_XML_CHECK_STATUS TYPE STRING,
INTERNAL_STATUS TYPE STRING,
INTERNAL_ACTION TYPE STRING,
COUNT_ESCOM_PHRASES TYPE STRING,
COUNT_NON_ESCOM_PHRASES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESTESCD_ARC_ES_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_ESTESCD_ARC_ES_STR-MANDT sy-vline 
WA_ESTESCD_ARC_ES_STR-RECN sy-vline 
WA_ESTESCD_ARC_ES_STR-RECNROOT sy-vline 
WA_ESTESCD_ARC_ES_STR-RECN_TO_WRK_SUBST sy-vline 
WA_ESTESCD_ARC_ES_STR-EHS_ES_HEAD_RECN sy-vline 
WA_ESTESCD_ARC_ES_STR-CRTIMESTAMP_UTC sy-vline 
WA_ESTESCD_ARC_ES_STR-CRNAM sy-vline 
WA_ESTESCD_ARC_ES_STR-UPDTIMESTAMP_UTC sy-vline 
WA_ESTESCD_ARC_ES_STR-UPDNAM sy-vline 
WA_ESTESCD_ARC_ES_STR-EHS_ES_HEAD_ID sy-vline 
WA_ESTESCD_ARC_ES_STR-UUID sy-vline 
WA_ESTESCD_ARC_ES_STR-UUID_OUT sy-vline 
WA_ESTESCD_ARC_ES_STR-VERSION_DATE sy-vline 
WA_ESTESCD_ARC_ES_STR-ES_ORDER sy-vline 
WA_ESTESCD_ARC_ES_STR-ES_XML_CHECK_STATUS sy-vline 
WA_ESTESCD_ARC_ES_STR-INTERNAL_STATUS sy-vline 
WA_ESTESCD_ARC_ES_STR-INTERNAL_ACTION sy-vline 
WA_ESTESCD_ARC_ES_STR-COUNT_ESCOM_PHRASES sy-vline 
WA_ESTESCD_ARC_ES_STR-COUNT_NON_ESCOM_PHRASES sy-vline      INTO ld_text SEPARATED BY SPACE.

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