ABAP Select data from SAP table ISU_S_COLGRP_HANA_INFO_ADD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_S_COLGRP_HANA_INFO_ADD
*  INTO TABLE @DATA(IT_ISU_S_COLGRP_HANA_INFO_ADD2).
*--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_ISU_S_COLGRP_HANA_INFO_ADD INDEX 1 INTO DATA(WA_ISU_S_COLGRP_HANA_INFO_ADD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_S_COLGRP_HANA_INFO_ADD>-TABLE_NAMEHAN = 1.
<ISU_S_COLGRP_HANA_INFO_ADD>-HOSTHAN = 1.
<ISU_S_COLGRP_HANA_INFO_ADD>-PORTHAN = 1.
<ISU_S_COLGRP_HANA_INFO_ADD>-PART_IDHAN = 1.
<ISU_S_COLGRP_HANA_INFO_ADD>-PARTITIONHAN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_S_COLGRP_HANA_INFO_ADD-SUBPARTITIONHAN, sy-vline,
  WA_ISU_S_COLGRP_HANA_INFO_ADD-RANGEHAN, sy-vline,
  WA_ISU_S_COLGRP_HANA_INFO_ADD-SUBRANGEHAN, sy-vline,
  WA_ISU_S_COLGRP_HANA_INFO_ADD-COMMENT, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_ISU_S_COLGRP_HANA_INFO_ADD 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_ISU_S_COLGRP_HANA_INFO_ADD 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_ISU_S_COLGRP_HANA_INFO_ADD INTO WA_ISU_S_COLGRP_HANA_INFO_ADD.


*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_ISU_S_COLGRP_HANA_INFO_ADD_STR, 
TABLE_NAMEHAN TYPE STRING,
HOSTHAN TYPE STRING,
PORTHAN TYPE STRING,
PART_IDHAN TYPE STRING,
PARTITIONHAN TYPE STRING,
SUBPARTITIONHAN TYPE STRING,
RANGEHAN TYPE STRING,
SUBRANGEHAN TYPE STRING,
COMMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_S_COLGRP_HANA_INFO_ADD_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_ISU_S_COLGRP_HANA_INFO_ADD_STR-TABLE_NAMEHAN sy-vline 
WA_ISU_S_COLGRP_HANA_INFO_ADD_STR-HOSTHAN sy-vline 
WA_ISU_S_COLGRP_HANA_INFO_ADD_STR-PORTHAN sy-vline 
WA_ISU_S_COLGRP_HANA_INFO_ADD_STR-PART_IDHAN sy-vline 
WA_ISU_S_COLGRP_HANA_INFO_ADD_STR-PARTITIONHAN sy-vline 
WA_ISU_S_COLGRP_HANA_INFO_ADD_STR-SUBPARTITIONHAN sy-vline 
WA_ISU_S_COLGRP_HANA_INFO_ADD_STR-RANGEHAN sy-vline 
WA_ISU_S_COLGRP_HANA_INFO_ADD_STR-SUBRANGEHAN sy-vline 
WA_ISU_S_COLGRP_HANA_INFO_ADD_STR-COMMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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