ABAP Select data from SAP table OTC_CONV_IFHAPO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OTC_CONV_IFHAPO
*  INTO TABLE @DATA(IT_OTC_CONV_IFHAPO2).
*--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_OTC_CONV_IFHAPO INDEX 1 INTO DATA(WA_OTC_CONV_IFHAPO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OTC_CONV_IFHAPO>-MANDT = 1.
<OTC_CONV_IFHAPO>-RFHA = 1.
<OTC_CONV_IFHAPO>-RFHAZU = 1.
<OTC_CONV_IFHAPO>-DCRDAT = 1.
<OTC_CONV_IFHAPO>-TCRTIM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OTC_CONV_IFHAPO-RFHAZB, sy-vline,
  WA_OTC_CONV_IFHAPO-CRUSER, sy-vline,
  WA_OTC_CONV_IFHAPO-UPUSER, sy-vline,
  WA_OTC_CONV_IFHAPO-DUPDAT, sy-vline,
  WA_OTC_CONV_IFHAPO-TUPTIM, sy-vline,
  WA_OTC_CONV_IFHAPO-RANTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OTC_CONV_IFHAPO 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_OTC_CONV_IFHAPO 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_OTC_CONV_IFHAPO INTO WA_OTC_CONV_IFHAPO.


*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 RFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OTC_CONV_IFHAPO-RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OTC_CONV_IFHAPO-RFHA.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit EXCRT, internal->external for field KHWKURS
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_OTC_CONV_IFHAPO-KHWKURS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OTC_CONV_IFHAPO-KHWKURS.
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_OTC_CONV_IFHAPO_STR, 
MANDT TYPE STRING,
RFHA TYPE STRING,
RFHAZU TYPE STRING,
DCRDAT TYPE STRING,
TCRTIM TYPE STRING,
RFHAZB TYPE STRING,
CRUSER TYPE STRING,
UPUSER TYPE STRING,
DUPDAT TYPE STRING,
TUPTIM TYPE STRING,
RANTYP TYPE STRING,
SFHAZBA TYPE STRING,
SBKKLAS TYPE STRING,
SBKTYP TYPE STRING,
SBERFIMA TYPE STRING,
SSIGN TYPE STRING,
SHERKUNFT TYPE STRING,
RKONDGR TYPE STRING,
RKOND TYPE STRING,
DGUEL_KP TYPE STRING,
NSTUFE TYPE STRING,
SKOART TYPE STRING,
RREFKONT TYPE STRING,
SBZVABW TYPE STRING,
RAHABKI TYPE STRING,
RAHKTID TYPE STRING,
RPZAHL TYPE STRING,
RPBANK TYPE STRING,
SZART TYPE STRING,
ZLSCH TYPE STRING,
UZAWE TYPE STRING,
SBEWEBE TYPE STRING,
SSPRGRD TYPE STRING,
SBFREI TYPE STRING,
DFAELL TYPE STRING,
DZTERM TYPE STRING,
BZBETR TYPE STRING,
WZBETR TYPE STRING,
BHWBETR TYPE STRING,
KHWKURS TYPE STRING,
ASTUECK TYPE STRING,
BPRICE TYPE STRING,
WPRICE TYPE STRING,
BHWPREIS TYPE STRING,
BINDEX TYPE STRING,
VVBASIS TYPE STRING,
PWKURS TYPE STRING,
BNWHR TYPE STRING,
RHANDPL TYPE STRING,
SKURSART TYPE STRING,
DBERVON TYPE STRING,
DBERBIS TYPE STRING,
ATAGE TYPE STRING,
ABASTAGE TYPE STRING,
PKOND TYPE STRING,
DPKOND TYPE STRING,
DZFEST TYPE STRING,
SZBMETH TYPE STRING,
BBASIS TYPE STRING,
WBASIS TYPE STRING,
SINCL TYPE STRING,
SINCLBIS TYPE STRING,
SULTBIS TYPE STRING,
SEXCLVON TYPE STRING,
SULTVON TYPE STRING,
SAEND TYPE STRING,
DVALUT TYPE STRING,
SVINCL TYPE STRING,
SVULT TYPE STRING,
SBWGARTREF TYPE STRING,
SKHWFIX TYPE STRING,
ZUONR TYPE STRING,
BPPRC TYPE STRING,
BUPRC TYPE STRING,
SRUNIT TYPE STRING,
REGI_STATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OTC_CONV_IFHAPO_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_OTC_CONV_IFHAPO_STR-MANDT sy-vline 
WA_OTC_CONV_IFHAPO_STR-RFHA sy-vline 
WA_OTC_CONV_IFHAPO_STR-RFHAZU sy-vline 
WA_OTC_CONV_IFHAPO_STR-DCRDAT sy-vline 
WA_OTC_CONV_IFHAPO_STR-TCRTIM sy-vline 
WA_OTC_CONV_IFHAPO_STR-RFHAZB sy-vline 
WA_OTC_CONV_IFHAPO_STR-CRUSER sy-vline 
WA_OTC_CONV_IFHAPO_STR-UPUSER sy-vline 
WA_OTC_CONV_IFHAPO_STR-DUPDAT sy-vline 
WA_OTC_CONV_IFHAPO_STR-TUPTIM sy-vline 
WA_OTC_CONV_IFHAPO_STR-RANTYP sy-vline 
WA_OTC_CONV_IFHAPO_STR-SFHAZBA sy-vline 
WA_OTC_CONV_IFHAPO_STR-SBKKLAS sy-vline 
WA_OTC_CONV_IFHAPO_STR-SBKTYP sy-vline 
WA_OTC_CONV_IFHAPO_STR-SBERFIMA sy-vline 
WA_OTC_CONV_IFHAPO_STR-SSIGN sy-vline 
WA_OTC_CONV_IFHAPO_STR-SHERKUNFT sy-vline 
WA_OTC_CONV_IFHAPO_STR-RKONDGR sy-vline 
WA_OTC_CONV_IFHAPO_STR-RKOND sy-vline 
WA_OTC_CONV_IFHAPO_STR-DGUEL_KP sy-vline 
WA_OTC_CONV_IFHAPO_STR-NSTUFE sy-vline 
WA_OTC_CONV_IFHAPO_STR-SKOART sy-vline 
WA_OTC_CONV_IFHAPO_STR-RREFKONT sy-vline 
WA_OTC_CONV_IFHAPO_STR-SBZVABW sy-vline 
WA_OTC_CONV_IFHAPO_STR-RAHABKI sy-vline 
WA_OTC_CONV_IFHAPO_STR-RAHKTID sy-vline 
WA_OTC_CONV_IFHAPO_STR-RPZAHL sy-vline 
WA_OTC_CONV_IFHAPO_STR-RPBANK sy-vline 
WA_OTC_CONV_IFHAPO_STR-SZART sy-vline 
WA_OTC_CONV_IFHAPO_STR-ZLSCH sy-vline 
WA_OTC_CONV_IFHAPO_STR-UZAWE sy-vline 
WA_OTC_CONV_IFHAPO_STR-SBEWEBE sy-vline 
WA_OTC_CONV_IFHAPO_STR-SSPRGRD sy-vline 
WA_OTC_CONV_IFHAPO_STR-SBFREI sy-vline 
WA_OTC_CONV_IFHAPO_STR-DFAELL sy-vline 
WA_OTC_CONV_IFHAPO_STR-DZTERM sy-vline 
WA_OTC_CONV_IFHAPO_STR-BZBETR sy-vline 
WA_OTC_CONV_IFHAPO_STR-WZBETR sy-vline 
WA_OTC_CONV_IFHAPO_STR-BHWBETR sy-vline 
WA_OTC_CONV_IFHAPO_STR-KHWKURS sy-vline 
WA_OTC_CONV_IFHAPO_STR-ASTUECK sy-vline 
WA_OTC_CONV_IFHAPO_STR-BPRICE sy-vline 
WA_OTC_CONV_IFHAPO_STR-WPRICE sy-vline 
WA_OTC_CONV_IFHAPO_STR-BHWPREIS sy-vline 
WA_OTC_CONV_IFHAPO_STR-BINDEX sy-vline 
WA_OTC_CONV_IFHAPO_STR-VVBASIS sy-vline 
WA_OTC_CONV_IFHAPO_STR-PWKURS sy-vline 
WA_OTC_CONV_IFHAPO_STR-BNWHR sy-vline 
WA_OTC_CONV_IFHAPO_STR-RHANDPL sy-vline 
WA_OTC_CONV_IFHAPO_STR-SKURSART sy-vline 
WA_OTC_CONV_IFHAPO_STR-DBERVON sy-vline 
WA_OTC_CONV_IFHAPO_STR-DBERBIS sy-vline 
WA_OTC_CONV_IFHAPO_STR-ATAGE sy-vline 
WA_OTC_CONV_IFHAPO_STR-ABASTAGE sy-vline 
WA_OTC_CONV_IFHAPO_STR-PKOND sy-vline 
WA_OTC_CONV_IFHAPO_STR-DPKOND sy-vline 
WA_OTC_CONV_IFHAPO_STR-DZFEST sy-vline 
WA_OTC_CONV_IFHAPO_STR-SZBMETH sy-vline 
WA_OTC_CONV_IFHAPO_STR-BBASIS sy-vline 
WA_OTC_CONV_IFHAPO_STR-WBASIS sy-vline 
WA_OTC_CONV_IFHAPO_STR-SINCL sy-vline 
WA_OTC_CONV_IFHAPO_STR-SINCLBIS sy-vline 
WA_OTC_CONV_IFHAPO_STR-SULTBIS sy-vline 
WA_OTC_CONV_IFHAPO_STR-SEXCLVON sy-vline 
WA_OTC_CONV_IFHAPO_STR-SULTVON sy-vline 
WA_OTC_CONV_IFHAPO_STR-SAEND sy-vline 
WA_OTC_CONV_IFHAPO_STR-DVALUT sy-vline 
WA_OTC_CONV_IFHAPO_STR-SVINCL sy-vline 
WA_OTC_CONV_IFHAPO_STR-SVULT sy-vline 
WA_OTC_CONV_IFHAPO_STR-SBWGARTREF sy-vline 
WA_OTC_CONV_IFHAPO_STR-SKHWFIX sy-vline 
WA_OTC_CONV_IFHAPO_STR-ZUONR sy-vline 
WA_OTC_CONV_IFHAPO_STR-BPPRC sy-vline 
WA_OTC_CONV_IFHAPO_STR-BUPRC sy-vline 
WA_OTC_CONV_IFHAPO_STR-SRUNIT sy-vline 
WA_OTC_CONV_IFHAPO_STR-REGI_STATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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