ABAP Select data from SAP table /PF1/STR_PO_ITEM_RELEASE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PF1/STR_PO_ITEM_RELEASE 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 /PF1/STR_PO_ITEM_RELEASE. 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 /PF1/STR_PO_ITEM_RELEASE 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_/PF1/STR_PO_ITEM_RELEASE TYPE STANDARD TABLE OF /PF1/STR_PO_ITEM_RELEASE,
      WA_/PF1/STR_PO_ITEM_RELEASE TYPE /PF1/STR_PO_ITEM_RELEASE,
      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: </PF1/STR_PO_ITEM_RELEASE> TYPE /PF1/STR_PO_ITEM_RELEASE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PF1/STR_PO_ITEM_RELEASE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PF1/STR_PO_ITEM_RELEASE
  INTO TABLE IT_/PF1/STR_PO_ITEM_RELEASE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PF1/STR_PO_ITEM_RELEASE
*  INTO TABLE @DATA(IT_/PF1/STR_PO_ITEM_RELEASE2).
*--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_/PF1/STR_PO_ITEM_RELEASE INDEX 1 INTO DATA(WA_/PF1/STR_PO_ITEM_RELEASE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PF1/STR_PO_ITEM_RELEASE ASSIGNING </PF1/STR_PO_ITEM_RELEASE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PF1/STR_PO_ITEM_RELEASE>-CLEARING_AREA = 1.
</PF1/STR_PO_ITEM_RELEASE>-PI_KIND = 1.
</PF1/STR_PO_ITEM_RELEASE>-TECH_STAT = 1.
</PF1/STR_PO_ITEM_RELEASE>-TR_CURR = 1.
</PF1/STR_PO_ITEM_RELEASE>-TR_AMOUNT = 1.

ENDLOOP.

LOOP AT IT_/PF1/STR_PO_ITEM_RELEASE INTO WA_/PF1/STR_PO_ITEM_RELEASE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PF1/STR_PO_ITEM_RELEASE-TR_DEBCREDIND, sy-vline,
  WA_/PF1/STR_PO_ITEM_RELEASE-EXCHNGRATE, sy-vline,
  WA_/PF1/STR_PO_ITEM_RELEASE-TRANS_TYPE, sy-vline,
  WA_/PF1/STR_PO_ITEM_RELEASE-PRIORITY, sy-vline,
  WA_/PF1/STR_PO_ITEM_RELEASE-RELEASE_ACTIVITY, sy-vline,
  WA_/PF1/STR_PO_ITEM_RELEASE-COUNTRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PF1/STR_PO_ITEM_RELEASE 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_/PF1/STR_PO_ITEM_RELEASE 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_/PF1/STR_PO_ITEM_RELEASE INTO WA_/PF1/STR_PO_ITEM_RELEASE.


*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_/PF1/STR_PO_ITEM_RELEASE_STR, 
CLEARING_AREA TYPE STRING,
PI_KIND TYPE STRING,
TECH_STAT TYPE STRING,
TR_CURR TYPE STRING,
TR_AMOUNT TYPE STRING,
TR_DEBCREDIND TYPE STRING,
EXCHNGRATE TYPE STRING,
TRANS_TYPE TYPE STRING,
PRIORITY TYPE STRING,
RELEASE_ACTIVITY TYPE STRING,
COUNTRY TYPE STRING,
BANKKEY TYPE STRING,
BIC TYPE STRING,
IBAN TYPE STRING,
ACCT_NO TYPE STRING,
ACCT_CUR TYPE STRING,
HOLDER TYPE STRING,
CLRSYSIDCD TYPE STRING,
WORK_BASKET_ID TYPE STRING,
PP_PRIORITY TYPE STRING,
RISK_SCORE TYPE STRING,
IN_OUT_FORMAT TYPE STRING,
MEDIUM TYPE STRING,
CHANNEL TYPE STRING,
PO_TYPE TYPE STRING,
SND_COMPANY_CODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PF1/STR_PO_ITEM_RELEASE_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_/PF1/STR_PO_ITEM_RELEASE_STR-CLEARING_AREA sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-PI_KIND sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-TECH_STAT sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-TR_CURR sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-TR_AMOUNT sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-TR_DEBCREDIND sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-EXCHNGRATE sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-TRANS_TYPE sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-PRIORITY sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-RELEASE_ACTIVITY sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-COUNTRY sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-BANKKEY sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-BIC sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-IBAN sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-ACCT_NO sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-ACCT_CUR sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-HOLDER sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-CLRSYSIDCD sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-WORK_BASKET_ID sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-PP_PRIORITY sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-RISK_SCORE sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-IN_OUT_FORMAT sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-MEDIUM sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-CHANNEL sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-PO_TYPE sy-vline 
WA_/PF1/STR_PO_ITEM_RELEASE_STR-SND_COMPANY_CODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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