ABAP Select data from SAP table P08P_HESA_NISR_CONTRACT_FILE_N 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_FILE_N 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_FILE_N. 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_FILE_N 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_FILE_N TYPE STANDARD TABLE OF P08P_HESA_NISR_CONTRACT_FILE_N,
      WA_P08P_HESA_NISR_CONTRACT_FILE_N TYPE P08P_HESA_NISR_CONTRACT_FILE_N,
      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_FILE_N> TYPE P08P_HESA_NISR_CONTRACT_FILE_N.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P08P_HESA_NISR_CONTRACT_FILE_N.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P08P_HESA_NISR_CONTRACT_FILE_N
  INTO TABLE IT_P08P_HESA_NISR_CONTRACT_FILE_N.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P08P_HESA_NISR_CONTRACT_FILE_N
*  INTO TABLE @DATA(IT_P08P_HESA_NISR_CONTRACT_FILE_N2).
*--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_FILE_N INDEX 1 INTO DATA(WA_P08P_HESA_NISR_CONTRACT_FILE_N2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P08P_HESA_NISR_CONTRACT_FILE_N ASSIGNING <P08P_HESA_NISR_CONTRACT_FILE_N>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P08P_HESA_NISR_CONTRACT_FILE_N>-RECID = 1.
<P08P_HESA_NISR_CONTRACT_FILE_N>-INSTID = 1.
<P08P_HESA_NISR_CONTRACT_FILE_N>-CAMPID = 1.
<P08P_HESA_NISR_CONTRACT_FILE_N>-STAFFID = 1.
<P08P_HESA_NISR_CONTRACT_FILE_N>-CONTID = 1.

ENDLOOP.

LOOP AT IT_P08P_HESA_NISR_CONTRACT_FILE_N INTO WA_P08P_HESA_NISR_CONTRACT_FILE_N.
*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_FILE_N-TERMS, sy-vline,
  WA_P08P_HESA_NISR_CONTRACT_FILE_N-MOEMP, sy-vline,
  WA_P08P_HESA_NISR_CONTRACT_FILE_N-ACEMPFUN, sy-vline,
  WA_P08P_HESA_NISR_CONTRACT_FILE_N-CONFTE, sy-vline,
  WA_P08P_HESA_NISR_CONTRACT_FILE_N-TCHWLH, sy-vline,
  WA_P08P_HESA_NISR_CONTRACT_FILE_N-GRADE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P08P_HESA_NISR_CONTRACT_FILE_N 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_FILE_N 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_FILE_N INTO WA_P08P_HESA_NISR_CONTRACT_FILE_N.


*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_FILE_N_STR, 
RECID TYPE STRING,
INSTID TYPE STRING,
CAMPID TYPE STRING,
STAFFID TYPE STRING,
CONTID TYPE STRING,
TERMS TYPE STRING,
MOEMP TYPE STRING,
ACEMPFUN TYPE STRING,
CONFTE TYPE STRING,
TCHWLH TYPE STRING,
GRADE TYPE STRING,
SMPH TYPE STRING,
SOBS TYPE STRING,
PSCAG TYPE STRING,
SSOBS TYPE STRING,
SPOINT TYPE STRING,
SALREF TYPE STRING,
NHSCON TYPE STRING,
NHSCONGR TYPE STRING,
HSPEC TYPE STRING,
HEIJOINT TYPE STRING,
STARTCON TYPE STRING,
ENDCON TYPE STRING,
ACT1 TYPE STRING,
CCENTRE1 TYPE STRING,
CCPROP1 TYPE STRING,
ACT2 TYPE STRING,
CCENTRE2 TYPE STRING,
CCPROP2 TYPE STRING,
ACT3 TYPE STRING,
CCENTRE3 TYPE STRING,
CCPROP3 TYPE STRING,
GRADID TYPE STRING,
CLINICAL TYPE STRING,
PROF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P08P_HESA_NISR_CONTRACT_FILE_N_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_FILE_N_STR-RECID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-INSTID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-CAMPID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-STAFFID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-CONTID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-TERMS sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-MOEMP sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-ACEMPFUN sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-CONFTE sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-TCHWLH sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-GRADE sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-SMPH sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-SOBS sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-PSCAG sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-SSOBS sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-SPOINT sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-SALREF sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-NHSCON sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-NHSCONGR sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-HSPEC sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-HEIJOINT sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-STARTCON sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-ENDCON sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-ACT1 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-CCENTRE1 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-CCPROP1 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-ACT2 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-CCENTRE2 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-CCPROP2 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-ACT3 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-CCENTRE3 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-CCPROP3 sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-GRADID sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-CLINICAL sy-vline 
WA_P08P_HESA_NISR_CONTRACT_FILE_N_STR-PROF sy-vline      INTO ld_text SEPARATED BY SPACE.

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