ABAP Select data from SAP table PSLOWMOMATSEDATE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSLOWMOMATSEDATE
*  INTO TABLE @DATA(IT_PSLOWMOMATSEDATE2).
*--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_PSLOWMOMATSEDATE INDEX 1 INTO DATA(WA_PSLOWMOMATSEDATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSLOWMOMATSEDATE>-MANDT = 1.
<PSLOWMOMATSEDATE>-INVENTORYCONSUMPTIONGROUP = 1.
<PSLOWMOMATSEDATE>-STARTDATE = 1.
<PSLOWMOMATSEDATE>-STARTDATEM1 = 1.
<PSLOWMOMATSEDATE>-STARTDATEM2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSLOWMOMATSEDATE-STARTDATEM3, sy-vline,
  WA_PSLOWMOMATSEDATE-STARTDATEM4, sy-vline,
  WA_PSLOWMOMATSEDATE-STARTDATEM5, sy-vline,
  WA_PSLOWMOMATSEDATE-STARTDATEM6, sy-vline,
  WA_PSLOWMOMATSEDATE-STARTDATEM7, sy-vline,
  WA_PSLOWMOMATSEDATE-STARTDATEM8, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSLOWMOMATSEDATE 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_PSLOWMOMATSEDATE 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_PSLOWMOMATSEDATE INTO WA_PSLOWMOMATSEDATE.


*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_PSLOWMOMATSEDATE_STR, 
MANDT TYPE STRING,
INVENTORYCONSUMPTIONGROUP TYPE STRING,
STARTDATE TYPE STRING,
STARTDATEM1 TYPE STRING,
STARTDATEM2 TYPE STRING,
STARTDATEM3 TYPE STRING,
STARTDATEM4 TYPE STRING,
STARTDATEM5 TYPE STRING,
STARTDATEM6 TYPE STRING,
STARTDATEM7 TYPE STRING,
STARTDATEM8 TYPE STRING,
STARTDATEM9 TYPE STRING,
STARTDATEM10 TYPE STRING,
ENDDATEM1 TYPE STRING,
ENDDATEM2 TYPE STRING,
ENDDATEM3 TYPE STRING,
ENDDATEM4 TYPE STRING,
ENDDATEM5 TYPE STRING,
ENDDATEM6 TYPE STRING,
ENDDATEM7 TYPE STRING,
ENDDATEM8 TYPE STRING,
ENDDATEM9 TYPE STRING,
ENDDATEM10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSLOWMOMATSEDATE_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_PSLOWMOMATSEDATE_STR-MANDT sy-vline 
WA_PSLOWMOMATSEDATE_STR-INVENTORYCONSUMPTIONGROUP sy-vline 
WA_PSLOWMOMATSEDATE_STR-STARTDATE sy-vline 
WA_PSLOWMOMATSEDATE_STR-STARTDATEM1 sy-vline 
WA_PSLOWMOMATSEDATE_STR-STARTDATEM2 sy-vline 
WA_PSLOWMOMATSEDATE_STR-STARTDATEM3 sy-vline 
WA_PSLOWMOMATSEDATE_STR-STARTDATEM4 sy-vline 
WA_PSLOWMOMATSEDATE_STR-STARTDATEM5 sy-vline 
WA_PSLOWMOMATSEDATE_STR-STARTDATEM6 sy-vline 
WA_PSLOWMOMATSEDATE_STR-STARTDATEM7 sy-vline 
WA_PSLOWMOMATSEDATE_STR-STARTDATEM8 sy-vline 
WA_PSLOWMOMATSEDATE_STR-STARTDATEM9 sy-vline 
WA_PSLOWMOMATSEDATE_STR-STARTDATEM10 sy-vline 
WA_PSLOWMOMATSEDATE_STR-ENDDATEM1 sy-vline 
WA_PSLOWMOMATSEDATE_STR-ENDDATEM2 sy-vline 
WA_PSLOWMOMATSEDATE_STR-ENDDATEM3 sy-vline 
WA_PSLOWMOMATSEDATE_STR-ENDDATEM4 sy-vline 
WA_PSLOWMOMATSEDATE_STR-ENDDATEM5 sy-vline 
WA_PSLOWMOMATSEDATE_STR-ENDDATEM6 sy-vline 
WA_PSLOWMOMATSEDATE_STR-ENDDATEM7 sy-vline 
WA_PSLOWMOMATSEDATE_STR-ENDDATEM8 sy-vline 
WA_PSLOWMOMATSEDATE_STR-ENDDATEM9 sy-vline 
WA_PSLOWMOMATSEDATE_STR-ENDDATEM10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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