ABAP Select data from SAP table /ACCGO/APPL_S_READ_API_IP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/APPL_S_READ_API_IP
*  INTO TABLE @DATA(IT_/ACCGO/APPL_S_READ_API_IP2).
*--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_/ACCGO/APPL_S_READ_API_IP INDEX 1 INTO DATA(WA_/ACCGO/APPL_S_READ_API_IP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/APPL_S_READ_API_IP>-APPLDOC = 1.
</ACCGO/APPL_S_READ_API_IP>-DOC_TYPE = 1.
</ACCGO/APPL_S_READ_API_IP>-DOCUMENT_DATE = 1.
</ACCGO/APPL_S_READ_API_IP>-UIS_ID = 1.
</ACCGO/APPL_S_READ_API_IP>-TC_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/APPL_S_READ_API_IP-TC_ITM, sy-vline,
  WA_/ACCGO/APPL_S_READ_API_IP-TC_COM, sy-vline,
  WA_/ACCGO/APPL_S_READ_API_IP-SO_ID, sy-vline,
  WA_/ACCGO/APPL_S_READ_API_IP-PO_ID, sy-vline,
  WA_/ACCGO/APPL_S_READ_API_IP-DEL_ID, sy-vline,
  WA_/ACCGO/APPL_S_READ_API_IP-GR_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/APPL_S_READ_API_IP 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_/ACCGO/APPL_S_READ_API_IP 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_/ACCGO/APPL_S_READ_API_IP INTO WA_/ACCGO/APPL_S_READ_API_IP.


*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_/ACCGO/APPL_S_READ_API_IP_STR, 
APPLDOC TYPE STRING,
DOC_TYPE TYPE STRING,
DOCUMENT_DATE TYPE STRING,
UIS_ID TYPE STRING,
TC_ID TYPE STRING,
TC_ITM TYPE STRING,
TC_COM TYPE STRING,
SO_ID TYPE STRING,
PO_ID TYPE STRING,
DEL_ID TYPE STRING,
GR_ID TYPE STRING,
NOM_ID TYPE STRING,
NOM_KEY TYPE STRING,
B2BID TYPE STRING,
STRG_AGRM_ID TYPE STRING,
STRG_PERD TYPE STRING,
APPL_INS TYPE STRING,
ORIG_APPL_INSTR TYPE STRING,
STATUS TYPE STRING,
SUPPLIER TYPE STRING,
CUSTOMER TYPE STRING,
COMMODITY TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
SLOC TYPE STRING,
SHP_POINT TYPE STRING,
COMP_CODE TYPE STRING,
PURCH_ORG TYPE STRING,
PURCH_GRP TYPE STRING,
SALES_ORG TYPE STRING,
DIST_CHANNEL TYPE STRING,
DIVISION TYPE STRING,
TRNS_GRP TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
WHR_TYPE TYPE STRING,
WHR_ID TYPE STRING,
WHR_ST_DATE TYPE STRING,
WHR_ED_DATE TYPE STRING,
WHR_OBLG_TYPE TYPE STRING,
INT_WHR_ID TYPE STRING,
MAX_ROWS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/APPL_S_READ_API_IP_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_/ACCGO/APPL_S_READ_API_IP_STR-APPLDOC sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-DOC_TYPE sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-DOCUMENT_DATE sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-UIS_ID sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-TC_ID sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-TC_ITM sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-TC_COM sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-SO_ID sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-PO_ID sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-DEL_ID sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-GR_ID sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-NOM_ID sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-NOM_KEY sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-B2BID sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-STRG_AGRM_ID sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-STRG_PERD sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-APPL_INS sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-ORIG_APPL_INSTR sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-STATUS sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-SUPPLIER sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-CUSTOMER sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-COMMODITY sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-MATERIAL sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-PLANT sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-SLOC sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-SHP_POINT sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-COMP_CODE sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-PURCH_ORG sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-PURCH_GRP sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-SALES_ORG sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-DIST_CHANNEL sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-DIVISION sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-TRNS_GRP sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-CREATED_ON sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-CREATED_BY sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-CHANGED_ON sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-CHANGED_BY sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-WHR_TYPE sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-WHR_ID sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-WHR_ST_DATE sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-WHR_ED_DATE sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-WHR_OBLG_TYPE sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-INT_WHR_ID sy-vline 
WA_/ACCGO/APPL_S_READ_API_IP_STR-MAX_ROWS sy-vline      INTO ld_text SEPARATED BY SPACE.

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