ABAP Select data from SAP table BSATP_SINGLE_RECORDS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BSATP_SINGLE_RECORDS
*  INTO TABLE @DATA(IT_BSATP_SINGLE_RECORDS2).
*--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_BSATP_SINGLE_RECORDS INDEX 1 INTO DATA(WA_BSATP_SINGLE_RECORDS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BSATP_SINGLE_RECORDS>-CHKKEY_IDX = 1.
<BSATP_SINGLE_RECORDS>-ATPDATE = 1.
<BSATP_SINGLE_RECORDS>-ATPTIME = 1.
<BSATP_SINGLE_RECORDS>-ATPCAT = 1.
<BSATP_SINGLE_RECORDS>-CATTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BSATP_SINGLE_RECORDS-REQQTY, sy-vline,
  WA_BSATP_SINGLE_RECORDS-CNFQTY, sy-vline,
  WA_BSATP_SINGLE_RECORDS-RCPQTY, sy-vline,
  WA_BSATP_SINGLE_RECORDS-ATPQTY, sy-vline,
  WA_BSATP_SINGLE_RECORDS-CATPQTY, sy-vline,
  WA_BSATP_SINGLE_RECORDS-SHRTQTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BSATP_SINGLE_RECORDS 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_BSATP_SINGLE_RECORDS 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_BSATP_SINGLE_RECORDS INTO WA_BSATP_SINGLE_RECORDS.


*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_BSATP_SINGLE_RECORDS_STR, 
CHKKEY_IDX TYPE STRING,
ATPDATE TYPE STRING,
ATPTIME TYPE STRING,
ATPCAT TYPE STRING,
CATTYPE TYPE STRING,
REQQTY TYPE STRING,
CNFQTY TYPE STRING,
RCPQTY TYPE STRING,
ATPQTY TYPE STRING,
CATPQTY TYPE STRING,
SHRTQTY TYPE STRING,
DELNR TYPE STRING,
DELPS TYPE STRING,
DELET TYPE STRING,
ATPDATEMB TYPE STRING,
ATPTIMEMB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BSATP_SINGLE_RECORDS_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_BSATP_SINGLE_RECORDS_STR-CHKKEY_IDX sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-ATPDATE sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-ATPTIME sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-ATPCAT sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-CATTYPE sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-REQQTY sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-CNFQTY sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-RCPQTY sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-ATPQTY sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-CATPQTY sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-SHRTQTY sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-DELNR sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-DELPS sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-DELET sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-ATPDATEMB sy-vline 
WA_BSATP_SINGLE_RECORDS_STR-ATPTIMEMB sy-vline      INTO ld_text SEPARATED BY SPACE.

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