ABAP Select data from SAP table PAEP_EMIRITIZATION_TREE_STR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAEP_EMIRITIZATION_TREE_STR
*  INTO TABLE @DATA(IT_PAEP_EMIRITIZATION_TREE_STR2).
*--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_PAEP_EMIRITIZATION_TREE_STR INDEX 1 INTO DATA(WA_PAEP_EMIRITIZATION_TREE_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAEP_EMIRITIZATION_TREE_STR>-T_KEY = 1.
<PAEP_EMIRITIZATION_TREE_STR>-P_KEY = 1.
<PAEP_EMIRITIZATION_TREE_STR>-ICON = 1.
<PAEP_EMIRITIZATION_TREE_STR>-HE_COUNT = 1.
<PAEP_EMIRITIZATION_TREE_STR>-EM_COUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAEP_EMIRITIZATION_TREE_STR-TR_COUNT, sy-vline,
  WA_PAEP_EMIRITIZATION_TREE_STR-NA_COUNT, sy-vline,
  WA_PAEP_EMIRITIZATION_TREE_STR-NA_M_COUNT, sy-vline,
  WA_PAEP_EMIRITIZATION_TREE_STR-NA_F_COUNT, sy-vline,
  WA_PAEP_EMIRITIZATION_TREE_STR-EX_COUNT, sy-vline,
  WA_PAEP_EMIRITIZATION_TREE_STR-NA_PERC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAEP_EMIRITIZATION_TREE_STR 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_PAEP_EMIRITIZATION_TREE_STR 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_PAEP_EMIRITIZATION_TREE_STR INTO WA_PAEP_EMIRITIZATION_TREE_STR.


*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_PAEP_EMIRITIZATION_TREE_STR_STR, 
T_KEY TYPE STRING,
P_KEY TYPE STRING,
ICON TYPE STRING,
HE_COUNT TYPE STRING,
EM_COUNT TYPE STRING,
TR_COUNT TYPE STRING,
NA_COUNT TYPE STRING,
NA_M_COUNT TYPE STRING,
NA_F_COUNT TYPE STRING,
EX_COUNT TYPE STRING,
NA_PERC TYPE STRING,
EX_PERC TYPE STRING,
NA_TARG TYPE STRING,
DIM1_PERC TYPE STRING,
DIM2_PERC TYPE STRING,
TNAME TYPE STRING,
BUKRS TYPE STRING,
AEVPC TYPE STRING,
GNGRP TYPE STRING,
JCLGR TYPE STRING,
CGRSR TYPE STRING,
AP_COUNT TYPE STRING,
AP_NA_COUNT TYPE STRING,
AP_EX_COUNT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
PAROT TYPE STRING,
PARID TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
VBEG TYPE STRING,
VEND TYPE STRING,
TLEVEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAEP_EMIRITIZATION_TREE_STR_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_PAEP_EMIRITIZATION_TREE_STR_STR-T_KEY sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-P_KEY sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-ICON sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-HE_COUNT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-EM_COUNT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-TR_COUNT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-NA_COUNT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-NA_M_COUNT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-NA_F_COUNT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-EX_COUNT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-NA_PERC sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-EX_PERC sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-NA_TARG sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-DIM1_PERC sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-DIM2_PERC sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-TNAME sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-BUKRS sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-AEVPC sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-GNGRP sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-JCLGR sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-CGRSR sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-AP_COUNT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-AP_NA_COUNT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-AP_EX_COUNT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-PLVAR sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-OTYPE sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-OBJID sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-PAROT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-PARID sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-BEGDA sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-ENDDA sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-SHORT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-STEXT sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-VBEG sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-VEND sy-vline 
WA_PAEP_EMIRITIZATION_TREE_STR_STR-TLEVEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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