ABAP Select data from SAP table RJHANZISZ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJHANZISZ
*  INTO TABLE @DATA(IT_RJHANZISZ2).
*--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_RJHANZISZ INDEX 1 INTO DATA(WA_RJHANZISZ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJHANZISZ>-AVM_NR = 1.
<RJHANZISZ>-FRD_AVM_NR = 1.
<RJHANZISZ>-POS_NR = 1.
<RJHANZISZ>-SATZART = 1.
<RJHANZISZ>-SART_REIFO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJHANZISZ-INSERENT, sy-vline,
  WA_RJHANZISZ-XINSBLANK, sy-vline,
  WA_RJHANZISZ-INSZ_NR, sy-vline,
  WA_RJHANZISZ-INS_TAPROZ, sy-vline,
  WA_RJHANZISZ-AZGR_INS, sy-vline,
  WA_RJHANZISZ-REGULIERER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJHANZISZ 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_RJHANZISZ 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_RJHANZISZ INTO WA_RJHANZISZ.


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

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

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

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

*Conversion exit ALPHA, internal->external for field ADR_ANRED
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHANZISZ-ADR_ANRED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHANZISZ-ADR_ANRED.
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_RJHANZISZ_STR, 
AVM_NR TYPE STRING,
FRD_AVM_NR TYPE STRING,
POS_NR TYPE STRING,
SATZART TYPE STRING,
SART_REIFO TYPE STRING,
INSERENT TYPE STRING,
XINSBLANK TYPE STRING,
INSZ_NR TYPE STRING,
INS_TAPROZ TYPE STRING,
AZGR_INS TYPE STRING,
REGULIERER TYPE STRING,
GPNR_RECH TYPE STRING,
PARZA TYPE STRING,
ADRNR TYPE STRING,
LOGADR TYPE STRING,
ADRESSVAR TYPE STRING,
ADR_ANRED TYPE STRING,
ADR_FELD1 TYPE STRING,
ADR_FELD2 TYPE STRING,
PARNR TYPE STRING,
X_ADRND TYPE STRING,
X_ADRNP TYPE STRING,
VKBUR_ZUST TYPE STRING,
XORTSPREIS TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
BANKN TYPE STRING,
BKONT TYPE STRING,
BVTYP TYPE STRING,
XEINZUG TYPE STRING,
ZLSCH TYPE STRING,
KONDA TYPE STRING,
AE TYPE STRING,
CCINS TYPE STRING,
CCNUM TYPE STRING,
DATBI TYPE STRING,
CCNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJHANZISZ_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_RJHANZISZ_STR-AVM_NR sy-vline 
WA_RJHANZISZ_STR-FRD_AVM_NR sy-vline 
WA_RJHANZISZ_STR-POS_NR sy-vline 
WA_RJHANZISZ_STR-SATZART sy-vline 
WA_RJHANZISZ_STR-SART_REIFO sy-vline 
WA_RJHANZISZ_STR-INSERENT sy-vline 
WA_RJHANZISZ_STR-XINSBLANK sy-vline 
WA_RJHANZISZ_STR-INSZ_NR sy-vline 
WA_RJHANZISZ_STR-INS_TAPROZ sy-vline 
WA_RJHANZISZ_STR-AZGR_INS sy-vline 
WA_RJHANZISZ_STR-REGULIERER sy-vline 
WA_RJHANZISZ_STR-GPNR_RECH sy-vline 
WA_RJHANZISZ_STR-PARZA sy-vline 
WA_RJHANZISZ_STR-ADRNR sy-vline 
WA_RJHANZISZ_STR-LOGADR sy-vline 
WA_RJHANZISZ_STR-ADRESSVAR sy-vline 
WA_RJHANZISZ_STR-ADR_ANRED sy-vline 
WA_RJHANZISZ_STR-ADR_FELD1 sy-vline 
WA_RJHANZISZ_STR-ADR_FELD2 sy-vline 
WA_RJHANZISZ_STR-PARNR sy-vline 
WA_RJHANZISZ_STR-X_ADRND sy-vline 
WA_RJHANZISZ_STR-X_ADRNP sy-vline 
WA_RJHANZISZ_STR-VKBUR_ZUST sy-vline 
WA_RJHANZISZ_STR-XORTSPREIS sy-vline 
WA_RJHANZISZ_STR-BANKS sy-vline 
WA_RJHANZISZ_STR-BANKL sy-vline 
WA_RJHANZISZ_STR-BANKN sy-vline 
WA_RJHANZISZ_STR-BKONT sy-vline 
WA_RJHANZISZ_STR-BVTYP sy-vline 
WA_RJHANZISZ_STR-XEINZUG sy-vline 
WA_RJHANZISZ_STR-ZLSCH sy-vline 
WA_RJHANZISZ_STR-KONDA sy-vline 
WA_RJHANZISZ_STR-AE sy-vline 
WA_RJHANZISZ_STR-CCINS sy-vline 
WA_RJHANZISZ_STR-CCNUM sy-vline 
WA_RJHANZISZ_STR-DATBI sy-vline 
WA_RJHANZISZ_STR-CCNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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