ABAP Select data from SAP table POC_S_PROC_DEF_PRE_BO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM POC_S_PROC_DEF_PRE_BO
*  INTO TABLE @DATA(IT_POC_S_PROC_DEF_PRE_BO2).
*--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_POC_S_PROC_DEF_PRE_BO INDEX 1 INTO DATA(WA_POC_S_PROC_DEF_PRE_BO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<POC_S_PROC_DEF_PRE_BO>-PROCESS_TYPE_ID = 1.
<POC_S_PROC_DEF_PRE_BO>-PROCESS_VERSION = 1.
<POC_S_PROC_DEF_PRE_BO>-PRO_STEP_TYPE_ID = 1.
<POC_S_PROC_DEF_PRE_BO>-PROCESS_START = 1.
<POC_S_PROC_DEF_PRE_BO>-PROCESS_END = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_POC_S_PROC_DEF_PRE_BO-BINDING_RULE, sy-vline,
  WA_POC_S_PROC_DEF_PRE_BO-USER_STATUS_BINDING_RULE, sy-vline,
  WA_POC_S_PROC_DEF_PRE_BO-BO_TYPE, sy-vline,
  WA_POC_S_PROC_DEF_PRE_BO-BA_TYPE, sy-vline,
  WA_POC_S_PROC_DEF_PRE_BO-IS_EXTRA, sy-vline,
  WA_POC_S_PROC_DEF_PRE_BO-CBE_INFO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_POC_S_PROC_DEF_PRE_BO 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_POC_S_PROC_DEF_PRE_BO 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_POC_S_PROC_DEF_PRE_BO INTO WA_POC_S_PROC_DEF_PRE_BO.


*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_POC_S_PROC_DEF_PRE_BO_STR, 
PROCESS_TYPE_ID TYPE STRING,
PROCESS_VERSION TYPE STRING,
PRO_STEP_TYPE_ID TYPE STRING,
PROCESS_START TYPE STRING,
PROCESS_END TYPE STRING,
BINDING_RULE TYPE STRING,
USER_STATUS_BINDING_RULE TYPE STRING,
BO_TYPE TYPE STRING,
BA_TYPE TYPE STRING,
IS_EXTRA TYPE STRING,
CBE_INFO TYPE STRING,
BINDING_RUL_NAME TYPE STRING,
STATUS_RULE_NAME TYPE STRING,
IS_RECENT_VERSION TYPE STRING,
BA_ID TYPE STRING,
BO_ID TYPE STRING,
PRE_BO_DATA TYPE STRING,
UNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_POC_S_PROC_DEF_PRE_BO_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_POC_S_PROC_DEF_PRE_BO_STR-PROCESS_TYPE_ID sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-PROCESS_VERSION sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-PRO_STEP_TYPE_ID sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-PROCESS_START sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-PROCESS_END sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-BINDING_RULE sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-USER_STATUS_BINDING_RULE sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-BO_TYPE sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-BA_TYPE sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-IS_EXTRA sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-CBE_INFO sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-BINDING_RUL_NAME sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-STATUS_RULE_NAME sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-IS_RECENT_VERSION sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-BA_ID sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-BO_ID sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-PRE_BO_DATA sy-vline 
WA_POC_S_PROC_DEF_PRE_BO_STR-UNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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