ABAP Select data from SAP table P08P_HESA_CONTRACT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P08P_HESA_CONTRACT 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 P08P_HESA_CONTRACT. 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 P08P_HESA_CONTRACT 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_P08P_HESA_CONTRACT TYPE STANDARD TABLE OF P08P_HESA_CONTRACT,
      WA_P08P_HESA_CONTRACT TYPE P08P_HESA_CONTRACT,
      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: <P08P_HESA_CONTRACT> TYPE P08P_HESA_CONTRACT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P08P_HESA_CONTRACT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P08P_HESA_CONTRACT
  INTO TABLE IT_P08P_HESA_CONTRACT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P08P_HESA_CONTRACT
*  INTO TABLE @DATA(IT_P08P_HESA_CONTRACT2).
*--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_P08P_HESA_CONTRACT INDEX 1 INTO DATA(WA_P08P_HESA_CONTRACT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P08P_HESA_CONTRACT ASSIGNING <P08P_HESA_CONTRACT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P08P_HESA_CONTRACT>-CAMPID = 1.
<P08P_HESA_CONTRACT>-STAFFID = 1.
<P08P_HESA_CONTRACT>-BIRTHDTE = 1.
<P08P_HESA_CONTRACT>-GENDER = 1.
<P08P_HESA_CONTRACT>-TERMS = 1.

ENDLOOP.

LOOP AT IT_P08P_HESA_CONTRACT INTO WA_P08P_HESA_CONTRACT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P08P_HESA_CONTRACT-MOE, sy-vline,
  WA_P08P_HESA_CONTRACT-PEMPFUN, sy-vline,
  WA_P08P_HESA_CONTRACT-PERACA, sy-vline,
  WA_P08P_HESA_CONTRACT-FTE, sy-vline,
  WA_P08P_HESA_CONTRACT-CCENTRE, sy-vline,
  WA_P08P_HESA_CONTRACT-NATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P08P_HESA_CONTRACT 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_P08P_HESA_CONTRACT 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_P08P_HESA_CONTRACT INTO WA_P08P_HESA_CONTRACT.


*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.

*Conversion exit PDATE, internal->external for field BIRTHDTE
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_P08P_HESA_CONTRACT-BIRTHDTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P08P_HESA_CONTRACT-BIRTHDTE.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_P08P_HESA_CONTRACT_STR, 
CAMPID TYPE STRING,
STAFFID TYPE STRING,
BIRTHDTE TYPE STRING,
GENDER TYPE STRING,
TERMS TYPE STRING,
MOE TYPE STRING,
PEMPFUN TYPE STRING,
PERACA TYPE STRING,
FTE TYPE STRING,
CCENTRE TYPE STRING,
NATION TYPE STRING,
ETHNIC TYPE STRING,
DISABLE TYPE STRING,
DATEHEI TYPE STRING,
QUALHELD TYPE STRING,
ACCDIS TYPE STRING,
PROFQHLD TYPE STRING,
RESACT TYPE STRING,
ABLWELSH TYPE STRING,
TCHWLH TYPE STRING,
CLINSTAT TYPE STRING,
NHSJOINT TYPE STRING,
GRADE TYPE STRING,
PSOS TYPE STRING,
PSCAGI TYPE STRING,
SSOS TYPE STRING,
SALPOINT TYPE STRING,
SALARY TYPE STRING,
EMPPREYR TYPE STRING,
DATELHEI TYPE STRING,
DEST TYPE STRING,
SENPH TYPE STRING,
SREAD TYPE STRING,
APPCONT TYPE STRING,
UOA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P08P_HESA_CONTRACT_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_P08P_HESA_CONTRACT_STR-CAMPID sy-vline 
WA_P08P_HESA_CONTRACT_STR-STAFFID sy-vline 
WA_P08P_HESA_CONTRACT_STR-BIRTHDTE sy-vline 
WA_P08P_HESA_CONTRACT_STR-GENDER sy-vline 
WA_P08P_HESA_CONTRACT_STR-TERMS sy-vline 
WA_P08P_HESA_CONTRACT_STR-MOE sy-vline 
WA_P08P_HESA_CONTRACT_STR-PEMPFUN sy-vline 
WA_P08P_HESA_CONTRACT_STR-PERACA sy-vline 
WA_P08P_HESA_CONTRACT_STR-FTE sy-vline 
WA_P08P_HESA_CONTRACT_STR-CCENTRE sy-vline 
WA_P08P_HESA_CONTRACT_STR-NATION sy-vline 
WA_P08P_HESA_CONTRACT_STR-ETHNIC sy-vline 
WA_P08P_HESA_CONTRACT_STR-DISABLE sy-vline 
WA_P08P_HESA_CONTRACT_STR-DATEHEI sy-vline 
WA_P08P_HESA_CONTRACT_STR-QUALHELD sy-vline 
WA_P08P_HESA_CONTRACT_STR-ACCDIS sy-vline 
WA_P08P_HESA_CONTRACT_STR-PROFQHLD sy-vline 
WA_P08P_HESA_CONTRACT_STR-RESACT sy-vline 
WA_P08P_HESA_CONTRACT_STR-ABLWELSH sy-vline 
WA_P08P_HESA_CONTRACT_STR-TCHWLH sy-vline 
WA_P08P_HESA_CONTRACT_STR-CLINSTAT sy-vline 
WA_P08P_HESA_CONTRACT_STR-NHSJOINT sy-vline 
WA_P08P_HESA_CONTRACT_STR-GRADE sy-vline 
WA_P08P_HESA_CONTRACT_STR-PSOS sy-vline 
WA_P08P_HESA_CONTRACT_STR-PSCAGI sy-vline 
WA_P08P_HESA_CONTRACT_STR-SSOS sy-vline 
WA_P08P_HESA_CONTRACT_STR-SALPOINT sy-vline 
WA_P08P_HESA_CONTRACT_STR-SALARY sy-vline 
WA_P08P_HESA_CONTRACT_STR-EMPPREYR sy-vline 
WA_P08P_HESA_CONTRACT_STR-DATELHEI sy-vline 
WA_P08P_HESA_CONTRACT_STR-DEST sy-vline 
WA_P08P_HESA_CONTRACT_STR-SENPH sy-vline 
WA_P08P_HESA_CONTRACT_STR-SREAD sy-vline 
WA_P08P_HESA_CONTRACT_STR-APPCONT sy-vline 
WA_P08P_HESA_CONTRACT_STR-UOA sy-vline      INTO ld_text SEPARATED BY SPACE.

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