ABAP Select data from SAP table VCCIHT_IPEVA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VCCIHT_IPEVA
*  INTO TABLE @DATA(IT_VCCIHT_IPEVA2).
*--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_VCCIHT_IPEVA INDEX 1 INTO DATA(WA_VCCIHT_IPEVA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VCCIHT_IPEVA>-MANDT = 1.
<VCCIHT_IPEVA>-RECN = 1.
<VCCIHT_IPEVA>-ACTN = 1.
<VCCIHT_IPEVA>-VALFR = 1.
<VCCIHT_IPEVA>-VALTO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VCCIHT_IPEVA-AENNR, sy-vline,
  WA_VCCIHT_IPEVA-DELFLG, sy-vline,
  WA_VCCIHT_IPEVA-PARKFLG, sy-vline,
  WA_VCCIHT_IPEVA-CRDAT, sy-vline,
  WA_VCCIHT_IPEVA-CRNAM, sy-vline,
  WA_VCCIHT_IPEVA-UPDDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VCCIHT_IPEVA 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_VCCIHT_IPEVA 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_VCCIHT_IPEVA INTO WA_VCCIHT_IPEVA.


*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 ALPHA, internal->external for field RECN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCCIHT_IPEVA-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCCIHT_IPEVA-RECN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCCIHT_IPEVA-ACTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCCIHT_IPEVA-ACTN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCCIHT_IPEVA-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCCIHT_IPEVA-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OWNID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCCIHT_IPEVA-OWNID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCCIHT_IPEVA-OWNID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNROOT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCCIHT_IPEVA-RECNROOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCCIHT_IPEVA-RECNROOT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNTIP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCCIHT_IPEVA-RECNTIP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCCIHT_IPEVA-RECNTIP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CHRID, internal->external for field IALPREPID
CALL FUNCTION 'CONVERSION_EXIT_CHRID_OUTPUT'
  EXPORTING
    input =                      WA_VCCIHT_IPEVA-IALPREPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCCIHT_IPEVA-IALPREPID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field IALPHOSP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCCIHT_IPEVA-IALPHOSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCCIHT_IPEVA-IALPHOSP.
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_VCCIHT_IPEVA_STR, 
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
FRTRMT TYPE STRING,
FRTRMTFLG TYPE STRING,
INTNOTE TYPE STRING,
INTNOTEFLG TYPE STRING,
EXTNOTE TYPE STRING,
EXTNOTEFLG TYPE STRING,
FRTRMTGRP TYPE STRING,
OFFJOBDAT TYPE STRING,
OFFJOBTIME TYPE STRING,
IPABSSUBTYPE TYPE STRING,
IPABSBEGDAT TYPE STRING,
IPABSENDDAT TYPE STRING,
IPABSSEQNUM TYPE STRING,
IPABSESTDAYS TYPE STRING,
IPABSDAYS TYPE STRING,
IPABSCALDAYS TYPE STRING,
IPRSWBEGDAT TYPE STRING,
IPRSWENDDAT TYPE STRING,
IPRSWDAYS TYPE STRING,
IPRSWCALDAYS TYPE STRING,
RECNTIP TYPE STRING,
IALPCAT TYPE STRING,
IAREPORTFLG TYPE STRING,
IALPREPID TYPE STRING,
OBJNR TYPE STRING,
IALPSTWCFLG TYPE STRING,
IALDEADFLG TYPE STRING,
FAPHYS TYPE STRING,
FAPHYSFLG TYPE STRING,
IALPHOSP TYPE STRING,
PERSPROT TYPE STRING,
TECHPROT TYPE STRING,
IPEVAAC TYPE STRING,
IACAUS TYPE STRING,
IAEXINF TYPE STRING,
IAOBJ TYPE STRING,
IAOBJM TYPE STRING,
IPACT TYPE STRING,
IPMOV TYPE STRING,
IPSTATUS TYPE STRING,
RELWITNESS TYPE STRING,
RWITEXFLAG TYPE STRING,
IALPEXP TYPE STRING,
FAPHYSGRP TYPE STRING,
RELWITNESSGRP TYPE STRING,
OFFJOBTIMEZONE TYPE STRING,
PRIVCONCFLG TYPE STRING,
EMERGRMFLG TYPE STRING,
INPATFLG TYPE STRING,
IPDEATHDATE TYPE STRING,
IPACTWTBEG TYPE STRING,
IPACTWTEND TYPE STRING,
IALOC TYPE STRING,
IATRTOHC TYPE STRING,
IATRFRHC TYPE STRING,
UNCONSCIOUS TYPE STRING,
RESUSCITATION TYPE STRING,
HOSPITALIZATION TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VCCIHT_IPEVA_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_VCCIHT_IPEVA_STR-MANDT sy-vline 
WA_VCCIHT_IPEVA_STR-RECN sy-vline 
WA_VCCIHT_IPEVA_STR-ACTN sy-vline 
WA_VCCIHT_IPEVA_STR-VALFR sy-vline 
WA_VCCIHT_IPEVA_STR-VALTO sy-vline 
WA_VCCIHT_IPEVA_STR-AENNR sy-vline 
WA_VCCIHT_IPEVA_STR-DELFLG sy-vline 
WA_VCCIHT_IPEVA_STR-PARKFLG sy-vline 
WA_VCCIHT_IPEVA_STR-CRDAT sy-vline 
WA_VCCIHT_IPEVA_STR-CRNAM sy-vline 
WA_VCCIHT_IPEVA_STR-UPDDAT sy-vline 
WA_VCCIHT_IPEVA_STR-UPDNAM sy-vline 
WA_VCCIHT_IPEVA_STR-SRSID sy-vline 
WA_VCCIHT_IPEVA_STR-OWNID sy-vline 
WA_VCCIHT_IPEVA_STR-RECNROOT sy-vline 
WA_VCCIHT_IPEVA_STR-FRTRMT sy-vline 
WA_VCCIHT_IPEVA_STR-FRTRMTFLG sy-vline 
WA_VCCIHT_IPEVA_STR-INTNOTE sy-vline 
WA_VCCIHT_IPEVA_STR-INTNOTEFLG sy-vline 
WA_VCCIHT_IPEVA_STR-EXTNOTE sy-vline 
WA_VCCIHT_IPEVA_STR-EXTNOTEFLG sy-vline 
WA_VCCIHT_IPEVA_STR-FRTRMTGRP sy-vline 
WA_VCCIHT_IPEVA_STR-OFFJOBDAT sy-vline 
WA_VCCIHT_IPEVA_STR-OFFJOBTIME sy-vline 
WA_VCCIHT_IPEVA_STR-IPABSSUBTYPE sy-vline 
WA_VCCIHT_IPEVA_STR-IPABSBEGDAT sy-vline 
WA_VCCIHT_IPEVA_STR-IPABSENDDAT sy-vline 
WA_VCCIHT_IPEVA_STR-IPABSSEQNUM sy-vline 
WA_VCCIHT_IPEVA_STR-IPABSESTDAYS sy-vline 
WA_VCCIHT_IPEVA_STR-IPABSDAYS sy-vline 
WA_VCCIHT_IPEVA_STR-IPABSCALDAYS sy-vline 
WA_VCCIHT_IPEVA_STR-IPRSWBEGDAT sy-vline 
WA_VCCIHT_IPEVA_STR-IPRSWENDDAT sy-vline 
WA_VCCIHT_IPEVA_STR-IPRSWDAYS sy-vline 
WA_VCCIHT_IPEVA_STR-IPRSWCALDAYS sy-vline 
WA_VCCIHT_IPEVA_STR-RECNTIP sy-vline 
WA_VCCIHT_IPEVA_STR-IALPCAT sy-vline 
WA_VCCIHT_IPEVA_STR-IAREPORTFLG sy-vline 
WA_VCCIHT_IPEVA_STR-IALPREPID sy-vline 
WA_VCCIHT_IPEVA_STR-OBJNR sy-vline 
WA_VCCIHT_IPEVA_STR-IALPSTWCFLG sy-vline 
WA_VCCIHT_IPEVA_STR-IALDEADFLG sy-vline 
WA_VCCIHT_IPEVA_STR-FAPHYS sy-vline 
WA_VCCIHT_IPEVA_STR-FAPHYSFLG sy-vline 
WA_VCCIHT_IPEVA_STR-IALPHOSP sy-vline 
WA_VCCIHT_IPEVA_STR-PERSPROT sy-vline 
WA_VCCIHT_IPEVA_STR-TECHPROT sy-vline 
WA_VCCIHT_IPEVA_STR-IPEVAAC sy-vline 
WA_VCCIHT_IPEVA_STR-IACAUS sy-vline 
WA_VCCIHT_IPEVA_STR-IAEXINF sy-vline 
WA_VCCIHT_IPEVA_STR-IAOBJ sy-vline 
WA_VCCIHT_IPEVA_STR-IAOBJM sy-vline 
WA_VCCIHT_IPEVA_STR-IPACT sy-vline 
WA_VCCIHT_IPEVA_STR-IPMOV sy-vline 
WA_VCCIHT_IPEVA_STR-IPSTATUS sy-vline 
WA_VCCIHT_IPEVA_STR-RELWITNESS sy-vline 
WA_VCCIHT_IPEVA_STR-RWITEXFLAG sy-vline 
WA_VCCIHT_IPEVA_STR-IALPEXP sy-vline 
WA_VCCIHT_IPEVA_STR-FAPHYSGRP sy-vline 
WA_VCCIHT_IPEVA_STR-RELWITNESSGRP sy-vline 
WA_VCCIHT_IPEVA_STR-OFFJOBTIMEZONE sy-vline 
WA_VCCIHT_IPEVA_STR-PRIVCONCFLG sy-vline 
WA_VCCIHT_IPEVA_STR-EMERGRMFLG sy-vline 
WA_VCCIHT_IPEVA_STR-INPATFLG sy-vline 
WA_VCCIHT_IPEVA_STR-IPDEATHDATE sy-vline 
WA_VCCIHT_IPEVA_STR-IPACTWTBEG sy-vline 
WA_VCCIHT_IPEVA_STR-IPACTWTEND sy-vline 
WA_VCCIHT_IPEVA_STR-IALOC sy-vline 
WA_VCCIHT_IPEVA_STR-IATRTOHC sy-vline 
WA_VCCIHT_IPEVA_STR-IATRFRHC sy-vline 
WA_VCCIHT_IPEVA_STR-UNCONSCIOUS sy-vline 
WA_VCCIHT_IPEVA_STR-RESUSCITATION sy-vline 
WA_VCCIHT_IPEVA_STR-HOSPITALIZATION sy-vline 
WA_VCCIHT_IPEVA_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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