ABAP Select data from SAP table RJHIPZAX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJHIPZAX
*  INTO TABLE @DATA(IT_RJHIPZAX2).
*--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_RJHIPZAX INDEX 1 INTO DATA(WA_RJHIPZAX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJHIPZAX>-RAB1_BETR = 1.
<RJHIPZAX>-RAB1_GRUND = 1.
<RJHIPZAX>-RAB2_BETR = 1.
<RJHIPZAX>-RAB2_GRUND = 1.
<RJHIPZAX>-RAB3_BETR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJHIPZAX-RAB3_GRUND, sy-vline,
  WA_RJHIPZAX-RAB4_BETR, sy-vline,
  WA_RJHIPZAX-RAB4_PEIN, sy-vline,
  WA_RJHIPZAX-RAB4_MEIN, sy-vline,
  WA_RJHIPZAX-RAB4_GRUND, sy-vline,
  WA_RJHIPZAX-RAB5_BETR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJHIPZAX 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_RJHIPZAX 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_RJHIPZAX INTO WA_RJHIPZAX.


*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_RJHIPZAX_STR, 
RAB1_BETR TYPE STRING,
RAB1_GRUND TYPE STRING,
RAB2_BETR TYPE STRING,
RAB2_GRUND TYPE STRING,
RAB3_BETR TYPE STRING,
RAB3_GRUND TYPE STRING,
RAB4_BETR TYPE STRING,
RAB4_PEIN TYPE STRING,
RAB4_MEIN TYPE STRING,
RAB4_GRUND TYPE STRING,
RAB5_BETR TYPE STRING,
RAB5_GRUND TYPE STRING,
RABE_BETR TYPE STRING,
RABE_GRUND TYPE STRING,
ZUS1_BETR TYPE STRING,
ZUS1_GRUND TYPE STRING,
ZUS2_BETR TYPE STRING,
ZUS2_GRUND TYPE STRING,
ZUS3_BETR TYPE STRING,
ZUS3_GRUND TYPE STRING,
ZUS4_BETR TYPE STRING,
ZUS4_PEIN TYPE STRING,
ZUS4_MEIN TYPE STRING,
ZUS4_GRUND TYPE STRING,
ZUS5_BETR TYPE STRING,
ZUS5_GRUND TYPE STRING,
ZUSE_BETR TYPE STRING,
ZUSE_GRUND TYPE STRING,
FPRG_BETR TYPE STRING,
FPRG_PEIN TYPE STRING,
FPRG_MEIN TYPE STRING,
FPRG_GRUND TYPE STRING,
FPR1_BETR TYPE STRING,
FPR1_GRUND TYPE STRING,
WAER_IPZA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJHIPZAX_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_RJHIPZAX_STR-RAB1_BETR sy-vline 
WA_RJHIPZAX_STR-RAB1_GRUND sy-vline 
WA_RJHIPZAX_STR-RAB2_BETR sy-vline 
WA_RJHIPZAX_STR-RAB2_GRUND sy-vline 
WA_RJHIPZAX_STR-RAB3_BETR sy-vline 
WA_RJHIPZAX_STR-RAB3_GRUND sy-vline 
WA_RJHIPZAX_STR-RAB4_BETR sy-vline 
WA_RJHIPZAX_STR-RAB4_PEIN sy-vline 
WA_RJHIPZAX_STR-RAB4_MEIN sy-vline 
WA_RJHIPZAX_STR-RAB4_GRUND sy-vline 
WA_RJHIPZAX_STR-RAB5_BETR sy-vline 
WA_RJHIPZAX_STR-RAB5_GRUND sy-vline 
WA_RJHIPZAX_STR-RABE_BETR sy-vline 
WA_RJHIPZAX_STR-RABE_GRUND sy-vline 
WA_RJHIPZAX_STR-ZUS1_BETR sy-vline 
WA_RJHIPZAX_STR-ZUS1_GRUND sy-vline 
WA_RJHIPZAX_STR-ZUS2_BETR sy-vline 
WA_RJHIPZAX_STR-ZUS2_GRUND sy-vline 
WA_RJHIPZAX_STR-ZUS3_BETR sy-vline 
WA_RJHIPZAX_STR-ZUS3_GRUND sy-vline 
WA_RJHIPZAX_STR-ZUS4_BETR sy-vline 
WA_RJHIPZAX_STR-ZUS4_PEIN sy-vline 
WA_RJHIPZAX_STR-ZUS4_MEIN sy-vline 
WA_RJHIPZAX_STR-ZUS4_GRUND sy-vline 
WA_RJHIPZAX_STR-ZUS5_BETR sy-vline 
WA_RJHIPZAX_STR-ZUS5_GRUND sy-vline 
WA_RJHIPZAX_STR-ZUSE_BETR sy-vline 
WA_RJHIPZAX_STR-ZUSE_GRUND sy-vline 
WA_RJHIPZAX_STR-FPRG_BETR sy-vline 
WA_RJHIPZAX_STR-FPRG_PEIN sy-vline 
WA_RJHIPZAX_STR-FPRG_MEIN sy-vline 
WA_RJHIPZAX_STR-FPRG_GRUND sy-vline 
WA_RJHIPZAX_STR-FPR1_BETR sy-vline 
WA_RJHIPZAX_STR-FPR1_GRUND sy-vline 
WA_RJHIPZAX_STR-WAER_IPZA sy-vline      INTO ld_text SEPARATED BY SPACE.

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