ABAP Select data from SAP table FIAPQA_S_PREQ_PDF into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIAPQA_S_PREQ_PDF
*  INTO TABLE @DATA(IT_FIAPQA_S_PREQ_PDF2).
*--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_FIAPQA_S_PREQ_PDF INDEX 1 INTO DATA(WA_FIAPQA_S_PREQ_PDF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIAPQA_S_PREQ_PDF>-PRBUDAT = 1.
<FIAPQA_S_PREQ_PDF>-PREQNO = 1.
<FIAPQA_S_PREQ_PDF>-INVOICE = 1.
<FIAPQA_S_PREQ_PDF>-INVBUDAT = 1.
<FIAPQA_S_PREQ_PDF>-INVAMT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIAPQA_S_PREQ_PDF-BKTXT, sy-vline,
  WA_FIAPQA_S_PREQ_PDF-PREQWRBTR, sy-vline,
  WA_FIAPQA_S_PREQ_PDF-NOTES, sy-vline,
  WA_FIAPQA_S_PREQ_PDF-HDOFPS, sy-vline,
  WA_FIAPQA_S_PREQ_PDF-LIFNR, sy-vline,
  WA_FIAPQA_S_PREQ_PDF-EBELN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIAPQA_S_PREQ_PDF 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_FIAPQA_S_PREQ_PDF 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_FIAPQA_S_PREQ_PDF INTO WA_FIAPQA_S_PREQ_PDF.


*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.

*Conversion exit ALPHA, internal->external for field PREQNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIAPQA_S_PREQ_PDF-PREQNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIAPQA_S_PREQ_PDF-PREQNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INVOICE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIAPQA_S_PREQ_PDF-INVOICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIAPQA_S_PREQ_PDF-INVOICE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIAPQA_S_PREQ_PDF-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIAPQA_S_PREQ_PDF-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIAPQA_S_PREQ_PDF-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIAPQA_S_PREQ_PDF-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EBELN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIAPQA_S_PREQ_PDF-EBELN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIAPQA_S_PREQ_PDF-EBELN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIAPQA_S_PREQ_PDF-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIAPQA_S_PREQ_PDF-KOSTL.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FIAPQA_S_PREQ_PDF_STR, 
PRBUDAT TYPE STRING,
PREQNO TYPE STRING,
INVOICE TYPE STRING,
INVBUDAT TYPE STRING,
INVAMT TYPE STRING,
BKTXT TYPE STRING,
PREQWRBTR TYPE STRING,
NOTES TYPE STRING,
HDOFPS TYPE STRING,
LIFNR TYPE STRING,
EBELN TYPE STRING,
BEDAT TYPE STRING,
EBELN1 TYPE STRING,
KOSTL TYPE STRING,
NAME1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIAPQA_S_PREQ_PDF_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_FIAPQA_S_PREQ_PDF_STR-PRBUDAT sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-PREQNO sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-INVOICE sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-INVBUDAT sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-INVAMT sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-BKTXT sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-PREQWRBTR sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-NOTES sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-HDOFPS sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-LIFNR sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-EBELN sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-BEDAT sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-EBELN1 sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-KOSTL sy-vline 
WA_FIAPQA_S_PREQ_PDF_STR-NAME1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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