ABAP Select data from SAP table P10TE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P10TE 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 P10TE. 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 P10TE 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_P10TE TYPE STANDARD TABLE OF P10TE,
      WA_P10TE TYPE P10TE,
      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: <P10TE> TYPE P10TE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P10TE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P10TE
  INTO TABLE IT_P10TE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P10TE
*  INTO TABLE @DATA(IT_P10TE2).
*--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_P10TE INDEX 1 INTO DATA(WA_P10TE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P10TE ASSIGNING <P10TE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P10TE>-ANN_GRS_WAGE = 1.
<P10TE>-EMPL_CLASS = 1.
<P10TE>-RR_COD = 1.
<P10TE>-TAX_FILT = 1.
<P10TE>-EIC_COD = 1.

ENDLOOP.

LOOP AT IT_P10TE INTO WA_P10TE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P10TE-WHO_PAYS_COD, sy-vline,
  WA_P10TE-EMPL_STATUS, sy-vline,
  WA_P10TE-NUM_LOCAT_ENTRIES, sy-vline,
  WA_P10TE-NUM_TAX_ENTRIES, sy-vline,
  WA_P10TE-RET_ALL_STATES, sy-vline,
  WA_P10TE-EMPL_COD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P10TE 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_P10TE 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_P10TE INTO WA_P10TE.


*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_P10TE_STR, 
ANN_GRS_WAGE TYPE STRING,
EMPL_CLASS TYPE STRING,
RR_COD TYPE STRING,
TAX_FILT TYPE STRING,
EIC_COD TYPE STRING,
WHO_PAYS_COD TYPE STRING,
EMPL_STATUS TYPE STRING,
NUM_LOCAT_ENTRIES TYPE STRING,
NUM_TAX_ENTRIES TYPE STRING,
RET_ALL_STATES TYPE STRING,
EMPL_COD TYPE STRING,
EMPO_NAME TYPE STRING,
DATA_VERS TYPE STRING,
MSG_LVL TYPE STRING,
CHK_DATE TYPE STRING,
HIRE_DATE TYPE STRING,
MEMB_PS_RETIR TYPE STRING,
DRSVD0 TYPE STRING,
DRSVD1 TYPE STRING,
SELSTATEIND TYPE STRING,
SRSVD0 TYPE STRING,
SRSVD1 TYPE STRING,
RESIDENTCOUNTRY TYPE STRING,
SELECTEDSTATE TYPE STRING,
CRSVD0 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P10TE_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_P10TE_STR-ANN_GRS_WAGE sy-vline 
WA_P10TE_STR-EMPL_CLASS sy-vline 
WA_P10TE_STR-RR_COD sy-vline 
WA_P10TE_STR-TAX_FILT sy-vline 
WA_P10TE_STR-EIC_COD sy-vline 
WA_P10TE_STR-WHO_PAYS_COD sy-vline 
WA_P10TE_STR-EMPL_STATUS sy-vline 
WA_P10TE_STR-NUM_LOCAT_ENTRIES sy-vline 
WA_P10TE_STR-NUM_TAX_ENTRIES sy-vline 
WA_P10TE_STR-RET_ALL_STATES sy-vline 
WA_P10TE_STR-EMPL_COD sy-vline 
WA_P10TE_STR-EMPO_NAME sy-vline 
WA_P10TE_STR-DATA_VERS sy-vline 
WA_P10TE_STR-MSG_LVL sy-vline 
WA_P10TE_STR-CHK_DATE sy-vline 
WA_P10TE_STR-HIRE_DATE sy-vline 
WA_P10TE_STR-MEMB_PS_RETIR sy-vline 
WA_P10TE_STR-DRSVD0 sy-vline 
WA_P10TE_STR-DRSVD1 sy-vline 
WA_P10TE_STR-SELSTATEIND sy-vline 
WA_P10TE_STR-SRSVD0 sy-vline 
WA_P10TE_STR-SRSVD1 sy-vline 
WA_P10TE_STR-RESIDENTCOUNTRY sy-vline 
WA_P10TE_STR-SELECTEDSTATE sy-vline 
WA_P10TE_STR-CRSVD0 sy-vline      INTO ld_text SEPARATED BY SPACE.

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