ABAP Select data from SAP table SAVESORT_PS_LOG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SAVESORT_PS_LOG
*  INTO TABLE @DATA(IT_SAVESORT_PS_LOG2).
*--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_SAVESORT_PS_LOG INDEX 1 INTO DATA(WA_SAVESORT_PS_LOG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SAVESORT_PS_LOG>-MANDT = 1.
<SAVESORT_PS_LOG>-ALVNAME = 1.
<SAVESORT_PS_LOG>-FILTER_NUM = 1.
<SAVESORT_PS_LOG>-SPOS = 1.
<SAVESORT_PS_LOG>-FIELDNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SAVESORT_PS_LOG-UP, sy-vline,
  WA_SAVESORT_PS_LOG-DOWN, sy-vline,
  WA_SAVESORT_PS_LOG-GROUP1, sy-vline,
  WA_SAVESORT_PS_LOG-SUBTOT, sy-vline,
  WA_SAVESORT_PS_LOG-COMP, sy-vline,
  WA_SAVESORT_PS_LOG-EXPA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SAVESORT_PS_LOG 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_SAVESORT_PS_LOG 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_SAVESORT_PS_LOG INTO WA_SAVESORT_PS_LOG.


*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_SAVESORT_PS_LOG_STR, 
MANDT TYPE STRING,
ALVNAME TYPE STRING,
FILTER_NUM TYPE STRING,
SPOS TYPE STRING,
FIELDNAME TYPE STRING,
UP TYPE STRING,
DOWN TYPE STRING,
GROUP1 TYPE STRING,
SUBTOT TYPE STRING,
COMP TYPE STRING,
EXPA TYPE STRING,
SELTEXT TYPE STRING,
OBLIGATORY TYPE STRING,
LEVEL1 TYPE STRING,
NO_OUT TYPE STRING,
INTOPT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SAVESORT_PS_LOG_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_SAVESORT_PS_LOG_STR-MANDT sy-vline 
WA_SAVESORT_PS_LOG_STR-ALVNAME sy-vline 
WA_SAVESORT_PS_LOG_STR-FILTER_NUM sy-vline 
WA_SAVESORT_PS_LOG_STR-SPOS sy-vline 
WA_SAVESORT_PS_LOG_STR-FIELDNAME sy-vline 
WA_SAVESORT_PS_LOG_STR-UP sy-vline 
WA_SAVESORT_PS_LOG_STR-DOWN sy-vline 
WA_SAVESORT_PS_LOG_STR-GROUP1 sy-vline 
WA_SAVESORT_PS_LOG_STR-SUBTOT sy-vline 
WA_SAVESORT_PS_LOG_STR-COMP sy-vline 
WA_SAVESORT_PS_LOG_STR-EXPA sy-vline 
WA_SAVESORT_PS_LOG_STR-SELTEXT sy-vline 
WA_SAVESORT_PS_LOG_STR-OBLIGATORY sy-vline 
WA_SAVESORT_PS_LOG_STR-LEVEL1 sy-vline 
WA_SAVESORT_PS_LOG_STR-NO_OUT sy-vline 
WA_SAVESORT_PS_LOG_STR-INTOPT sy-vline      INTO ld_text SEPARATED BY SPACE.

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