ABAP Select data from SAP table IHPAVB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IHPAVB
*  INTO TABLE @DATA(IT_IHPAVB2).
*--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_IHPAVB INDEX 1 INTO DATA(WA_IHPAVB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IHPAVB>-MANDT = 1.
<IHPAVB>-OBJNR = 1.
<IHPAVB>-PARVW = 1.
<IHPAVB>-COUNTER = 1.
<IHPAVB>-OBTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IHPAVB-PARNR, sy-vline,
  WA_IHPAVB-INHER, sy-vline,
  WA_IHPAVB-ERDAT, sy-vline,
  WA_IHPAVB-ERZEIT, sy-vline,
  WA_IHPAVB-ERNAM, sy-vline,
  WA_IHPAVB-AEDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IHPAVB 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_IHPAVB 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_IHPAVB INTO WA_IHPAVB.


*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 PARVW, internal->external for field PARVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_IHPAVB-PARVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IHPAVB-PARVW.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit PARVW, internal->external for field PARVW_EXT
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_IHPAVB-PARVW_EXT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IHPAVB-PARVW_EXT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field ADRNP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IHPAVB-ADRNP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IHPAVB-ADRNP.
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_IHPAVB_STR, 
MANDT TYPE STRING,
OBJNR TYPE STRING,
PARVW TYPE STRING,
COUNTER TYPE STRING,
OBTYP TYPE STRING,
PARNR TYPE STRING,
INHER TYPE STRING,
ERDAT TYPE STRING,
ERZEIT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AEZEIT TYPE STRING,
AENAM TYPE STRING,
KZLOESCH TYPE STRING,
ADRNR TYPE STRING,
TZONSP TYPE STRING,
TABPT TYPE STRING,
UPDKZ TYPE STRING,
SLKNZ TYPE STRING,
PARVW_EXT TYPE STRING,
ADR_FLAG TYPE STRING,
ADR_HANDLE TYPE STRING,
ADRNR_KUPAV TYPE STRING,
ADRDA TYPE STRING,
ADRND TYPE STRING,
ADRNP TYPE STRING,
CVP_XBLCK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IHPAVB_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_IHPAVB_STR-MANDT sy-vline 
WA_IHPAVB_STR-OBJNR sy-vline 
WA_IHPAVB_STR-PARVW sy-vline 
WA_IHPAVB_STR-COUNTER sy-vline 
WA_IHPAVB_STR-OBTYP sy-vline 
WA_IHPAVB_STR-PARNR sy-vline 
WA_IHPAVB_STR-INHER sy-vline 
WA_IHPAVB_STR-ERDAT sy-vline 
WA_IHPAVB_STR-ERZEIT sy-vline 
WA_IHPAVB_STR-ERNAM sy-vline 
WA_IHPAVB_STR-AEDAT sy-vline 
WA_IHPAVB_STR-AEZEIT sy-vline 
WA_IHPAVB_STR-AENAM sy-vline 
WA_IHPAVB_STR-KZLOESCH sy-vline 
WA_IHPAVB_STR-ADRNR sy-vline 
WA_IHPAVB_STR-TZONSP sy-vline 
WA_IHPAVB_STR-TABPT sy-vline 
WA_IHPAVB_STR-UPDKZ sy-vline 
WA_IHPAVB_STR-SLKNZ sy-vline 
WA_IHPAVB_STR-PARVW_EXT sy-vline 
WA_IHPAVB_STR-ADR_FLAG sy-vline 
WA_IHPAVB_STR-ADR_HANDLE sy-vline 
WA_IHPAVB_STR-ADRNR_KUPAV sy-vline 
WA_IHPAVB_STR-ADRDA sy-vline 
WA_IHPAVB_STR-ADRND sy-vline 
WA_IHPAVB_STR-ADRNP sy-vline 
WA_IHPAVB_STR-CVP_XBLCK sy-vline      INTO ld_text SEPARATED BY SPACE.

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