ABAP Select data from SAP table ISJPHIERARCHY01_L into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISJPHIERARCHY01_L 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 ISJPHIERARCHY01_L. 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 ISJPHIERARCHY01_L 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_ISJPHIERARCHY01_L TYPE STANDARD TABLE OF ISJPHIERARCHY01_L,
      WA_ISJPHIERARCHY01_L TYPE ISJPHIERARCHY01_L,
      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: <ISJPHIERARCHY01_L> TYPE ISJPHIERARCHY01_L.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISJPHIERARCHY01_L.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISJPHIERARCHY01_L
  INTO TABLE IT_ISJPHIERARCHY01_L.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISJPHIERARCHY01_L
*  INTO TABLE @DATA(IT_ISJPHIERARCHY01_L2).
*--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_ISJPHIERARCHY01_L INDEX 1 INTO DATA(WA_ISJPHIERARCHY01_L2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISJPHIERARCHY01_L ASSIGNING <ISJPHIERARCHY01_L>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISJPHIERARCHY01_L>-MANDT = 1.
<ISJPHIERARCHY01_L>-BUKRS = 1.
<ISJPHIERARCHY01_L>-KUNNR = 1.
<ISJPHIERARCHY01_L>-INVSUMROLE = 1.
<ISJPHIERARCHY01_L>-INVSUMRECIP = 1.

ENDLOOP.

LOOP AT IT_ISJPHIERARCHY01_L INTO WA_ISJPHIERARCHY01_L.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISJPHIERARCHY01_L-INVSUMPAYER, sy-vline,
  WA_ISJPHIERARCHY01_L-PINRNR, sy-vline,
  WA_ISJPHIERARCHY01_L-MINRNR, sy-vline,
  WA_ISJPHIERARCHY01_L-HEADERTAX, sy-vline,
  WA_ISJPHIERARCHY01_L-HOLIDUEDATE, sy-vline,
  WA_ISJPHIERARCHY01_L-BANKCHARGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISJPHIERARCHY01_L 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_ISJPHIERARCHY01_L 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_ISJPHIERARCHY01_L INTO WA_ISJPHIERARCHY01_L.


*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 KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISJPHIERARCHY01_L-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPHIERARCHY01_L-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INVSUMRECIP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISJPHIERARCHY01_L-INVSUMRECIP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPHIERARCHY01_L-INVSUMRECIP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INVSUMPAYER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISJPHIERARCHY01_L-INVSUMPAYER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPHIERARCHY01_L-INVSUMPAYER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SORT_PAYER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISJPHIERARCHY01_L-SORT_PAYER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPHIERARCHY01_L-SORT_PAYER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SORT_RECIP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISJPHIERARCHY01_L-SORT_RECIP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPHIERARCHY01_L-SORT_RECIP.
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_ISJPHIERARCHY01_L_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
KUNNR TYPE STRING,
INVSUMROLE TYPE STRING,
INVSUMRECIP TYPE STRING,
INVSUMPAYER TYPE STRING,
PINRNR TYPE STRING,
MINRNR TYPE STRING,
HEADERTAX TYPE STRING,
HOLIDUEDATE TYPE STRING,
BANKCHARGE TYPE STRING,
PATTERNID TYPE STRING,
BANKS TYPE STRING,
BANKK TYPE STRING,
VIRTACCTNR TYPE STRING,
RULEZTERM TYPE STRING,
SPECCASEREL TYPE STRING,
NAME1KUNNR TYPE STRING,
ROLETYPE TYPE STRING,
NAME1RECIP TYPE STRING,
NAME1PAYER TYPE STRING,
HOLIDAYTEXT TYPE STRING,
RULEZTERMTEXT TYPE STRING,
SUBOBJ TYPE STRING,
SORT_PAYER TYPE STRING,
SORT_RECIP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISJPHIERARCHY01_L_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_ISJPHIERARCHY01_L_STR-MANDT sy-vline 
WA_ISJPHIERARCHY01_L_STR-BUKRS sy-vline 
WA_ISJPHIERARCHY01_L_STR-KUNNR sy-vline 
WA_ISJPHIERARCHY01_L_STR-INVSUMROLE sy-vline 
WA_ISJPHIERARCHY01_L_STR-INVSUMRECIP sy-vline 
WA_ISJPHIERARCHY01_L_STR-INVSUMPAYER sy-vline 
WA_ISJPHIERARCHY01_L_STR-PINRNR sy-vline 
WA_ISJPHIERARCHY01_L_STR-MINRNR sy-vline 
WA_ISJPHIERARCHY01_L_STR-HEADERTAX sy-vline 
WA_ISJPHIERARCHY01_L_STR-HOLIDUEDATE sy-vline 
WA_ISJPHIERARCHY01_L_STR-BANKCHARGE sy-vline 
WA_ISJPHIERARCHY01_L_STR-PATTERNID sy-vline 
WA_ISJPHIERARCHY01_L_STR-BANKS sy-vline 
WA_ISJPHIERARCHY01_L_STR-BANKK sy-vline 
WA_ISJPHIERARCHY01_L_STR-VIRTACCTNR sy-vline 
WA_ISJPHIERARCHY01_L_STR-RULEZTERM sy-vline 
WA_ISJPHIERARCHY01_L_STR-SPECCASEREL sy-vline 
WA_ISJPHIERARCHY01_L_STR-NAME1KUNNR sy-vline 
WA_ISJPHIERARCHY01_L_STR-ROLETYPE sy-vline 
WA_ISJPHIERARCHY01_L_STR-NAME1RECIP sy-vline 
WA_ISJPHIERARCHY01_L_STR-NAME1PAYER sy-vline 
WA_ISJPHIERARCHY01_L_STR-HOLIDAYTEXT sy-vline 
WA_ISJPHIERARCHY01_L_STR-RULEZTERMTEXT sy-vline 
WA_ISJPHIERARCHY01_L_STR-SUBOBJ sy-vline 
WA_ISJPHIERARCHY01_L_STR-SORT_PAYER sy-vline 
WA_ISJPHIERARCHY01_L_STR-SORT_RECIP sy-vline      INTO ld_text SEPARATED BY SPACE.

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