ABAP Select data from SAP table TLANSUPTA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TLANSUPTA
*  INTO TABLE @DATA(IT_TLANSUPTA2).
*--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_TLANSUPTA INDEX 1 INTO DATA(WA_TLANSUPTA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TLANSUPTA>-ACTID = 1.
<TLANSUPTA>-TABNAME = 1.
<TLANSUPTA>-EXCLUDE = 1.
<TLANSUPTA>-COMPLETE = 1.
<TLANSUPTA>-PROCESSED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TLANSUPTA-UPDATED, sy-vline,
  WA_TLANSUPTA-INSERTED, sy-vline,
  WA_TLANSUPTA-DELETED, sy-vline,
  WA_TLANSUPTA-UNCHANGED, sy-vline,
  WA_TLANSUPTA-CLIENT, sy-vline,
  WA_TLANSUPTA-CONTFLAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TLANSUPTA 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_TLANSUPTA 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_TLANSUPTA INTO WA_TLANSUPTA.


*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_TLANSUPTA_STR, 
ACTID TYPE STRING,
TABNAME TYPE STRING,
EXCLUDE TYPE STRING,
COMPLETE TYPE STRING,
PROCESSED TYPE STRING,
UPDATED TYPE STRING,
INSERTED TYPE STRING,
DELETED TYPE STRING,
UNCHANGED TYPE STRING,
CLIENT TYPE STRING,
CONTFLAG TYPE STRING,
SUPMODE TYPE STRING,
RETCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TLANSUPTA_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_TLANSUPTA_STR-ACTID sy-vline 
WA_TLANSUPTA_STR-TABNAME sy-vline 
WA_TLANSUPTA_STR-EXCLUDE sy-vline 
WA_TLANSUPTA_STR-COMPLETE sy-vline 
WA_TLANSUPTA_STR-PROCESSED sy-vline 
WA_TLANSUPTA_STR-UPDATED sy-vline 
WA_TLANSUPTA_STR-INSERTED sy-vline 
WA_TLANSUPTA_STR-DELETED sy-vline 
WA_TLANSUPTA_STR-UNCHANGED sy-vline 
WA_TLANSUPTA_STR-CLIENT sy-vline 
WA_TLANSUPTA_STR-CONTFLAG sy-vline 
WA_TLANSUPTA_STR-SUPMODE sy-vline 
WA_TLANSUPTA_STR-RETCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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