ABAP Select data from SAP table P08P_HESA_NISR_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_NISR_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_NISR_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_NISR_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_NISR_CONTRACT TYPE STANDARD TABLE OF P08P_HESA_NISR_CONTRACT,
      WA_P08P_HESA_NISR_CONTRACT TYPE P08P_HESA_NISR_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_NISR_CONTRACT> TYPE P08P_HESA_NISR_CONTRACT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P08P_HESA_NISR_CONTRACT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P08P_HESA_NISR_CONTRACT
  INTO TABLE IT_P08P_HESA_NISR_CONTRACT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P08P_HESA_NISR_CONTRACT
*  INTO TABLE @DATA(IT_P08P_HESA_NISR_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_NISR_CONTRACT INDEX 1 INTO DATA(WA_P08P_HESA_NISR_CONTRACT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P08P_HESA_NISR_CONTRACT ASSIGNING <P08P_HESA_NISR_CONTRACT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P08P_HESA_NISR_CONTRACT>-RECID = 1.
<P08P_HESA_NISR_CONTRACT>-INSTID = 1.
<P08P_HESA_NISR_CONTRACT>-CAMPID = 1.
<P08P_HESA_NISR_CONTRACT>-STAFFID = 1.
<P08P_HESA_NISR_CONTRACT>-CONTRACTID = 1.

ENDLOOP.

LOOP AT IT_P08P_HESA_NISR_CONTRACT INTO WA_P08P_HESA_NISR_CONTRACT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P08P_HESA_NISR_CONTRACT-TERMS, sy-vline,
  WA_P08P_HESA_NISR_CONTRACT-MOE, sy-vline,
  WA_P08P_HESA_NISR_CONTRACT-PEMPFUN, sy-vline,
  WA_P08P_HESA_NISR_CONTRACT-FTE, sy-vline,
  WA_P08P_HESA_NISR_CONTRACT-TCHWLH, sy-vline,
  WA_P08P_HESA_NISR_CONTRACT-GRADE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P08P_HESA_NISR_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_NISR_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_NISR_CONTRACT INTO WA_P08P_HESA_NISR_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.
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_NISR_CONTRACT_STR, 
RECID TYPE STRING,
INSTID TYPE STRING,
CAMPID TYPE STRING,
STAFFID TYPE STRING,
CONTRACTID TYPE STRING,
TERMS TYPE STRING,
MOE TYPE STRING,
PEMPFUN TYPE STRING,
FTE TYPE STRING,
TCHWLH TYPE STRING,
GRADE TYPE STRING,
SMPH TYPE STRING,
PSOS TYPE STRING,
PSCAGI TYPE STRING,
SSOS TYPE STRING,
SALPOINT TYPE STRING,
SALARY TYPE STRING,
NHSJOINT TYPE STRING,
CGRADE TYPE STRING,
SPECL TYPE STRING,
HEIJOINT TYPE STRING,
ACTUAL_BEGDA TYPE STRING,
ACTUAL_ENDDA TYPE STRING,
ACT01 TYPE STRING,
CCE01 TYPE STRING,
CCP01 TYPE STRING,
ACT02 TYPE STRING,
CCE02 TYPE STRING,
CCP02 TYPE STRING,
ACT03 TYPE STRING,
CCE03 TYPE STRING,
CCP03 TYPE STRING,
GRADID TYPE STRING,
CLINICAL TYPE STRING,
PROFE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P08P_HESA_NISR_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_NISR_CONTRACT_STR-RECID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-INSTID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-CAMPID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-STAFFID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-CONTRACTID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-TERMS sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-MOE sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-PEMPFUN sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-FTE sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-TCHWLH sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-GRADE sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-SMPH sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-PSOS sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-PSCAGI sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-SSOS sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-SALPOINT sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-SALARY sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-NHSJOINT sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-CGRADE sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-SPECL sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-HEIJOINT sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-ACTUAL_BEGDA sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-ACTUAL_ENDDA sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-ACT01 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-CCE01 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-CCP01 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-ACT02 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-CCE02 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-CCP02 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-ACT03 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-CCE03 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-CCP03 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-GRADID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-CLINICAL sy-vline 
WA_P08P_HESA_NISR_CONTRACT_STR-PROFE sy-vline      INTO ld_text SEPARATED BY SPACE.

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