ABAP Select data from SAP table PCO_ISSS_35 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PCO_ISSS_35 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 PCO_ISSS_35. 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 PCO_ISSS_35 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_PCO_ISSS_35 TYPE STANDARD TABLE OF PCO_ISSS_35,
      WA_PCO_ISSS_35 TYPE PCO_ISSS_35,
      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: <PCO_ISSS_35> TYPE PCO_ISSS_35.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PCO_ISSS_35.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PCO_ISSS_35
  INTO TABLE IT_PCO_ISSS_35.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCO_ISSS_35
*  INTO TABLE @DATA(IT_PCO_ISSS_352).
*--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_PCO_ISSS_35 INDEX 1 INTO DATA(WA_PCO_ISSS_352).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PCO_ISSS_35 ASSIGNING <PCO_ISSS_35>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCO_ISSS_35>-CAM01 = 1.
<PCO_ISSS_35>-CAM02 = 1.
<PCO_ISSS_35>-CAM03 = 1.
<PCO_ISSS_35>-CAM04 = 1.
<PCO_ISSS_35>-CAM05 = 1.

ENDLOOP.

LOOP AT IT_PCO_ISSS_35 INTO WA_PCO_ISSS_35.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCO_ISSS_35-CAM06, sy-vline,
  WA_PCO_ISSS_35-CAM07, sy-vline,
  WA_PCO_ISSS_35-CAM08, sy-vline,
  WA_PCO_ISSS_35-CAM09, sy-vline,
  WA_PCO_ISSS_35-CAM10, sy-vline,
  WA_PCO_ISSS_35-CAM11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCO_ISSS_35 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_PCO_ISSS_35 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_PCO_ISSS_35 INTO WA_PCO_ISSS_35.


*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_PCO_ISSS_35_STR, 
CAM01 TYPE STRING,
CAM02 TYPE STRING,
CAM03 TYPE STRING,
CAM04 TYPE STRING,
CAM05 TYPE STRING,
CAM06 TYPE STRING,
CAM07 TYPE STRING,
CAM08 TYPE STRING,
CAM09 TYPE STRING,
CAM10 TYPE STRING,
CAM11 TYPE STRING,
CAM12 TYPE STRING,
CAM13 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCO_ISSS_35_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_PCO_ISSS_35_STR-CAM01 sy-vline 
WA_PCO_ISSS_35_STR-CAM02 sy-vline 
WA_PCO_ISSS_35_STR-CAM03 sy-vline 
WA_PCO_ISSS_35_STR-CAM04 sy-vline 
WA_PCO_ISSS_35_STR-CAM05 sy-vline 
WA_PCO_ISSS_35_STR-CAM06 sy-vline 
WA_PCO_ISSS_35_STR-CAM07 sy-vline 
WA_PCO_ISSS_35_STR-CAM08 sy-vline 
WA_PCO_ISSS_35_STR-CAM09 sy-vline 
WA_PCO_ISSS_35_STR-CAM10 sy-vline 
WA_PCO_ISSS_35_STR-CAM11 sy-vline 
WA_PCO_ISSS_35_STR-CAM12 sy-vline 
WA_PCO_ISSS_35_STR-CAM13 sy-vline      INTO ld_text SEPARATED BY SPACE.

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