ABAP Select data from SAP table P11_EHCS_PG2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P11_EHCS_PG2 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 P11_EHCS_PG2. 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 P11_EHCS_PG2 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_P11_EHCS_PG2 TYPE STANDARD TABLE OF P11_EHCS_PG2,
      WA_P11_EHCS_PG2 TYPE P11_EHCS_PG2,
      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: <P11_EHCS_PG2> TYPE P11_EHCS_PG2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P11_EHCS_PG2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P11_EHCS_PG2
  INTO TABLE IT_P11_EHCS_PG2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P11_EHCS_PG2
*  INTO TABLE @DATA(IT_P11_EHCS_PG22).
*--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_P11_EHCS_PG2 INDEX 1 INTO DATA(WA_P11_EHCS_PG22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P11_EHCS_PG2 ASSIGNING <P11_EHCS_PG2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P11_EHCS_PG2>-MANDT = 1.
<P11_EHCS_PG2>-RYEAR = 1.
<P11_EHCS_PG2>-RQUTR = 1.
<P11_EHCS_PG2>-ERNIE = 1.
<P11_EHCS_PG2>-FSTFTMG = 1.

ENDLOOP.

LOOP AT IT_P11_EHCS_PG2 INTO WA_P11_EHCS_PG2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P11_EHCS_PG2-FSTFTCL, sy-vline,
  WA_P11_EHCS_PG2-FSTFTOT, sy-vline,
  WA_P11_EHCS_PG2-LSTFTMG, sy-vline,
  WA_P11_EHCS_PG2-LSTFTCL, sy-vline,
  WA_P11_EHCS_PG2-LSTFTOT, sy-vline,
  WA_P11_EHCS_PG2-HIREFTMG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P11_EHCS_PG2 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_P11_EHCS_PG2 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_P11_EHCS_PG2 INTO WA_P11_EHCS_PG2.


*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_P11_EHCS_PG2_STR, 
MANDT TYPE STRING,
RYEAR TYPE STRING,
RQUTR TYPE STRING,
ERNIE TYPE STRING,
FSTFTMG TYPE STRING,
FSTFTCL TYPE STRING,
FSTFTOT TYPE STRING,
LSTFTMG TYPE STRING,
LSTFTCL TYPE STRING,
LSTFTOT TYPE STRING,
HIREFTMG TYPE STRING,
HIREFTCL TYPE STRING,
HIREFTOT TYPE STRING,
FSTPTMG TYPE STRING,
FSTPTCL TYPE STRING,
FSTPTOT TYPE STRING,
LSTPTMG TYPE STRING,
LSTPTCL TYPE STRING,
LSTPTOT TYPE STRING,
HIREPTMG TYPE STRING,
HIREPTCL TYPE STRING,
HIREPTOT TYPE STRING,
APPMG TYPE STRING,
APPCL TYPE STRING,
APPOT TYPE STRING,
OTPERMG TYPE STRING,
OTPERCL TYPE STRING,
OTPEROT TYPE STRING,
VACMG TYPE STRING,
VACCL TYPE STRING,
VACOT TYPE STRING,
NMWMG TYPE STRING,
NMWCL TYPE STRING,
NMWOT TYPE STRING,
REGWGFTMG TYPE STRING,
REGWGFTCL TYPE STRING,
REGWGFTOT TYPE STRING,
OVRTFTMG TYPE STRING,
OVRTFTCL TYPE STRING,
OVRTFTOT TYPE STRING,
IRRBFTMG TYPE STRING,
IRRBFTCL TYPE STRING,
IRRBFTOT TYPE STRING,
REGWGPTMG TYPE STRING,
REGWGPTCL TYPE STRING,
REGWGPTOT TYPE STRING,
OVRTPTMG TYPE STRING,
OVRTPTCL TYPE STRING,
OVRTPTOT TYPE STRING,
IRRBPTMG TYPE STRING,
IRRBPTCL TYPE STRING,
IRRBPTOT TYPE STRING,
APPWGMG TYPE STRING,
APPWGCL TYPE STRING,
APPWGOT TYPE STRING,
TABSTYLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P11_EHCS_PG2_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_P11_EHCS_PG2_STR-MANDT sy-vline 
WA_P11_EHCS_PG2_STR-RYEAR sy-vline 
WA_P11_EHCS_PG2_STR-RQUTR sy-vline 
WA_P11_EHCS_PG2_STR-ERNIE sy-vline 
WA_P11_EHCS_PG2_STR-FSTFTMG sy-vline 
WA_P11_EHCS_PG2_STR-FSTFTCL sy-vline 
WA_P11_EHCS_PG2_STR-FSTFTOT sy-vline 
WA_P11_EHCS_PG2_STR-LSTFTMG sy-vline 
WA_P11_EHCS_PG2_STR-LSTFTCL sy-vline 
WA_P11_EHCS_PG2_STR-LSTFTOT sy-vline 
WA_P11_EHCS_PG2_STR-HIREFTMG sy-vline 
WA_P11_EHCS_PG2_STR-HIREFTCL sy-vline 
WA_P11_EHCS_PG2_STR-HIREFTOT sy-vline 
WA_P11_EHCS_PG2_STR-FSTPTMG sy-vline 
WA_P11_EHCS_PG2_STR-FSTPTCL sy-vline 
WA_P11_EHCS_PG2_STR-FSTPTOT sy-vline 
WA_P11_EHCS_PG2_STR-LSTPTMG sy-vline 
WA_P11_EHCS_PG2_STR-LSTPTCL sy-vline 
WA_P11_EHCS_PG2_STR-LSTPTOT sy-vline 
WA_P11_EHCS_PG2_STR-HIREPTMG sy-vline 
WA_P11_EHCS_PG2_STR-HIREPTCL sy-vline 
WA_P11_EHCS_PG2_STR-HIREPTOT sy-vline 
WA_P11_EHCS_PG2_STR-APPMG sy-vline 
WA_P11_EHCS_PG2_STR-APPCL sy-vline 
WA_P11_EHCS_PG2_STR-APPOT sy-vline 
WA_P11_EHCS_PG2_STR-OTPERMG sy-vline 
WA_P11_EHCS_PG2_STR-OTPERCL sy-vline 
WA_P11_EHCS_PG2_STR-OTPEROT sy-vline 
WA_P11_EHCS_PG2_STR-VACMG sy-vline 
WA_P11_EHCS_PG2_STR-VACCL sy-vline 
WA_P11_EHCS_PG2_STR-VACOT sy-vline 
WA_P11_EHCS_PG2_STR-NMWMG sy-vline 
WA_P11_EHCS_PG2_STR-NMWCL sy-vline 
WA_P11_EHCS_PG2_STR-NMWOT sy-vline 
WA_P11_EHCS_PG2_STR-REGWGFTMG sy-vline 
WA_P11_EHCS_PG2_STR-REGWGFTCL sy-vline 
WA_P11_EHCS_PG2_STR-REGWGFTOT sy-vline 
WA_P11_EHCS_PG2_STR-OVRTFTMG sy-vline 
WA_P11_EHCS_PG2_STR-OVRTFTCL sy-vline 
WA_P11_EHCS_PG2_STR-OVRTFTOT sy-vline 
WA_P11_EHCS_PG2_STR-IRRBFTMG sy-vline 
WA_P11_EHCS_PG2_STR-IRRBFTCL sy-vline 
WA_P11_EHCS_PG2_STR-IRRBFTOT sy-vline 
WA_P11_EHCS_PG2_STR-REGWGPTMG sy-vline 
WA_P11_EHCS_PG2_STR-REGWGPTCL sy-vline 
WA_P11_EHCS_PG2_STR-REGWGPTOT sy-vline 
WA_P11_EHCS_PG2_STR-OVRTPTMG sy-vline 
WA_P11_EHCS_PG2_STR-OVRTPTCL sy-vline 
WA_P11_EHCS_PG2_STR-OVRTPTOT sy-vline 
WA_P11_EHCS_PG2_STR-IRRBPTMG sy-vline 
WA_P11_EHCS_PG2_STR-IRRBPTCL sy-vline 
WA_P11_EHCS_PG2_STR-IRRBPTOT sy-vline 
WA_P11_EHCS_PG2_STR-APPWGMG sy-vline 
WA_P11_EHCS_PG2_STR-APPWGCL sy-vline 
WA_P11_EHCS_PG2_STR-APPWGOT sy-vline 
WA_P11_EHCS_PG2_STR-TABSTYLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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