ABAP Select data from SAP table PSNTMNTTRND3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PSNTMNTTRND3 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 PSNTMNTTRND3. 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 PSNTMNTTRND3 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_PSNTMNTTRND3 TYPE STANDARD TABLE OF PSNTMNTTRND3,
      WA_PSNTMNTTRND3 TYPE PSNTMNTTRND3,
      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: <PSNTMNTTRND3> TYPE PSNTMNTTRND3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PSNTMNTTRND3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PSNTMNTTRND3
  INTO TABLE IT_PSNTMNTTRND3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSNTMNTTRND3
*  INTO TABLE @DATA(IT_PSNTMNTTRND32).
*--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_PSNTMNTTRND3 INDEX 1 INTO DATA(WA_PSNTMNTTRND32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PSNTMNTTRND3 ASSIGNING <PSNTMNTTRND3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSNTMNTTRND3>-MANDT = 1.
<PSNTMNTTRND3>-SOCIALPOSTSEARCHTERM = 1.
<PSNTMNTTRND3>-SOCIALPOSTSEARCHTERMTEXT = 1.
<PSNTMNTTRND3>-ISSOCIALMEDIAQUERYACTIVATED = 1.
<PSNTMNTTRND3>-SCLMDAQRYLSTACTIVATEDDATETIME = 1.

ENDLOOP.

LOOP AT IT_PSNTMNTTRND3 INTO WA_PSNTMNTTRND3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSNTMNTTRND3-LASTNDAYSPSTVSNTMNTVALFC_E, sy-vline,
  WA_PSNTMNTTRND3-LASTNDAYSPSTVSNTMNTVALWFC_E, sy-vline,
  WA_PSNTMNTTRND3-LASTNDAYSNGTVSNTMNTVALFC_E, sy-vline,
  WA_PSNTMNTTRND3-LASTNDAYSNGTVSNTMNTVALWFC_E, sy-vline,
  WA_PSNTMNTTRND3-LASTNDAYSNETSNTMNTVALFC_E, sy-vline,
  WA_PSNTMNTTRND3-LASTNDAYSNETSNTMNTVALWFC_E, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSNTMNTTRND3 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_PSNTMNTTRND3 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_PSNTMNTTRND3 INTO WA_PSNTMNTTRND3.


*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_PSNTMNTTRND3_STR, 
MANDT TYPE STRING,
SOCIALPOSTSEARCHTERM TYPE STRING,
SOCIALPOSTSEARCHTERMTEXT TYPE STRING,
ISSOCIALMEDIAQUERYACTIVATED TYPE STRING,
SCLMDAQRYLSTACTIVATEDDATETIME TYPE STRING,
LASTNDAYSPSTVSNTMNTVALFC_E TYPE STRING,
LASTNDAYSPSTVSNTMNTVALWFC_E TYPE STRING,
LASTNDAYSNGTVSNTMNTVALFC_E TYPE STRING,
LASTNDAYSNGTVSNTMNTVALWFC_E TYPE STRING,
LASTNDAYSNETSNTMNTVALFC_E TYPE STRING,
LASTNDAYSNETSNTMNTVALWFC_E TYPE STRING,
LASTNDAYSNTRLSNTMNTVALFC_E TYPE STRING,
LASTNDAYSNTRLSNTMNTVALWFC_E TYPE STRING,
LAST2NDAYSPSTVSNTMNTVALFC_E TYPE STRING,
LAST2NDAYSPSTVSNTMNTVALWFC_E TYPE STRING,
LAST2NDAYSNGTVSNTMNTVALFC_E TYPE STRING,
LAST2NDAYSNGTVSNTMNTVALWFC_E TYPE STRING,
LAST2NDAYSNETSNTMNTVALFC_E TYPE STRING,
LAST2NDAYSNETSNTMNTVALWFC_E TYPE STRING,
LAST2NDAYSNTRLSNTMNTVALFC_E TYPE STRING,
LAST2NDAYSNTRLSNTMNTVALWFC_E TYPE STRING,
NMBROFSCLPSTSLSTNDAYSFC TYPE STRING,
NMBROFSCLPSTSLSTNDAYSWFC TYPE STRING,
NMBROFPSTVSCLPSTSLSTNDAYSFC TYPE STRING,
NMBROFPSTVSCLPSTSLSTNDAYSWFC TYPE STRING,
NMBROFNGTVSCLPSTSLSTNDAYSFC TYPE STRING,
NMBROFNGTVSCLPSTSLSTNDAYSWFC TYPE STRING,
NMBROFSCLPSTSLST2NDAYSFC TYPE STRING,
NMBROFSCLPSTSLST2NDAYSWFC TYPE STRING,
NMBROFPSTVSCLPSTSLST2NDAYSFC TYPE STRING,
NMBROFPSTVSCLPSTSLST2NDAYSWFC TYPE STRING,
NMBROFNGTVSCLPSTSLST2NDAYSFC TYPE STRING,
NMBROFNGTVSCLPSTSLST2NDAYSWFC TYPE STRING,
NETSNTMNTTRENDCALCULATIONFC_E TYPE STRING,
NETSNTMNTTRENDCALCULATIONWFC_E TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSNTMNTTRND3_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_PSNTMNTTRND3_STR-MANDT sy-vline 
WA_PSNTMNTTRND3_STR-SOCIALPOSTSEARCHTERM sy-vline 
WA_PSNTMNTTRND3_STR-SOCIALPOSTSEARCHTERMTEXT sy-vline 
WA_PSNTMNTTRND3_STR-ISSOCIALMEDIAQUERYACTIVATED sy-vline 
WA_PSNTMNTTRND3_STR-SCLMDAQRYLSTACTIVATEDDATETIME sy-vline 
WA_PSNTMNTTRND3_STR-LASTNDAYSPSTVSNTMNTVALFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LASTNDAYSPSTVSNTMNTVALWFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LASTNDAYSNGTVSNTMNTVALFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LASTNDAYSNGTVSNTMNTVALWFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LASTNDAYSNETSNTMNTVALFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LASTNDAYSNETSNTMNTVALWFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LASTNDAYSNTRLSNTMNTVALFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LASTNDAYSNTRLSNTMNTVALWFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LAST2NDAYSPSTVSNTMNTVALFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LAST2NDAYSPSTVSNTMNTVALWFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LAST2NDAYSNGTVSNTMNTVALFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LAST2NDAYSNGTVSNTMNTVALWFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LAST2NDAYSNETSNTMNTVALFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LAST2NDAYSNETSNTMNTVALWFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LAST2NDAYSNTRLSNTMNTVALFC_E sy-vline 
WA_PSNTMNTTRND3_STR-LAST2NDAYSNTRLSNTMNTVALWFC_E sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFSCLPSTSLSTNDAYSFC sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFSCLPSTSLSTNDAYSWFC sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFPSTVSCLPSTSLSTNDAYSFC sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFPSTVSCLPSTSLSTNDAYSWFC sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFNGTVSCLPSTSLSTNDAYSFC sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFNGTVSCLPSTSLSTNDAYSWFC sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFSCLPSTSLST2NDAYSFC sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFSCLPSTSLST2NDAYSWFC sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFPSTVSCLPSTSLST2NDAYSFC sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFPSTVSCLPSTSLST2NDAYSWFC sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFNGTVSCLPSTSLST2NDAYSFC sy-vline 
WA_PSNTMNTTRND3_STR-NMBROFNGTVSCLPSTSLST2NDAYSWFC sy-vline 
WA_PSNTMNTTRND3_STR-NETSNTMNTTRENDCALCULATIONFC_E sy-vline 
WA_PSNTMNTTRND3_STR-NETSNTMNTTRENDCALCULATIONWFC_E sy-vline      INTO ld_text SEPARATED BY SPACE.

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