ABAP Select data from SAP table /SAPAPO/PE_PRCPR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/PE_PRCPR
*  INTO TABLE @DATA(IT_/SAPAPO/PE_PRCPR2).
*--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_/SAPAPO/PE_PRCPR INDEX 1 INTO DATA(WA_/SAPAPO/PE_PRCPR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/PE_PRCPR>-MANDT = 1.
</SAPAPO/PE_PRCPR>-PRC_PRF_ID = 1.
</SAPAPO/PE_PRCPR>-METHOD = 1.
</SAPAPO/PE_PRCPR>-PACK_SIZE_MIN = 1.
</SAPAPO/PE_PRCPR>-PACK_SIZE_MAX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/PE_PRCPR-PRL_PRC_ACTIVE, sy-vline,
  WA_/SAPAPO/PE_PRCPR-PRL_PRC_MAX, sy-vline,
  WA_/SAPAPO/PE_PRCPR-RFC_GROUP, sy-vline,
  WA_/SAPAPO/PE_PRCPR-BL_MIN_MSGTYPE, sy-vline,
  WA_/SAPAPO/PE_PRCPR-BL_DETAIL, sy-vline,
  WA_/SAPAPO/PE_PRCPR-READ_TRIG_FIRST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/PE_PRCPR 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_/SAPAPO/PE_PRCPR 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_/SAPAPO/PE_PRCPR INTO WA_/SAPAPO/PE_PRCPR.


*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_/SAPAPO/PE_PRCPR_STR, 
MANDT TYPE STRING,
PRC_PRF_ID TYPE STRING,
METHOD TYPE STRING,
PACK_SIZE_MIN TYPE STRING,
PACK_SIZE_MAX TYPE STRING,
PRL_PRC_ACTIVE TYPE STRING,
PRL_PRC_MAX TYPE STRING,
RFC_GROUP TYPE STRING,
BL_MIN_MSGTYPE TYPE STRING,
BL_DETAIL TYPE STRING,
READ_TRIG_FIRST TYPE STRING,
PSM_SEL_RESULT TYPE STRING,
BUFFER_SEL_RES TYPE STRING,
RETRY TYPE STRING,
BL_CX_BAL_LOG TYPE STRING,
CREUSER TYPE STRING,
CREDATE TYPE STRING,
CRETIME TYPE STRING,
CHGUSER TYPE STRING,
CHGDATE TYPE STRING,
CHGTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/PE_PRCPR_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_/SAPAPO/PE_PRCPR_STR-MANDT sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-PRC_PRF_ID sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-METHOD sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-PACK_SIZE_MIN sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-PACK_SIZE_MAX sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-PRL_PRC_ACTIVE sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-PRL_PRC_MAX sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-RFC_GROUP sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-BL_MIN_MSGTYPE sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-BL_DETAIL sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-READ_TRIG_FIRST sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-PSM_SEL_RESULT sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-BUFFER_SEL_RES sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-RETRY sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-BL_CX_BAL_LOG sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-CREUSER sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-CREDATE sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-CRETIME sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-CHGUSER sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-CHGDATE sy-vline 
WA_/SAPAPO/PE_PRCPR_STR-CHGTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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