ABAP Select data from SAP table EHPMAD_SLC_SUBAS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPMAD_SLC_SUBAS
*  INTO TABLE @DATA(IT_EHPMAD_SLC_SUBAS2).
*--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_EHPMAD_SLC_SUBAS INDEX 1 INTO DATA(WA_EHPMAD_SLC_SUBAS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPMAD_SLC_SUBAS>-MANDT = 1.
<EHPMAD_SLC_SUBAS>-UUID = 1.
<EHPMAD_SLC_SUBAS>-CRR_UUID = 1.
<EHPMAD_SLC_SUBAS>-CRR_SUB_UUID = 1.
<EHPMAD_SLC_SUBAS>-CMPL_STAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPMAD_SLC_SUBAS-ASSESSMENT_STATUS, sy-vline,
  WA_EHPMAD_SLC_SUBAS-COMPONENT_UUID, sy-vline,
  WA_EHPMAD_SLC_SUBAS-SUBSTANCE_UUID, sy-vline,
  WA_EHPMAD_SLC_SUBAS-LISTSUB_ID, sy-vline,
  WA_EHPMAD_SLC_SUBAS-REGLIST_UUID, sy-vline,
  WA_EHPMAD_SLC_SUBAS-THRL_VALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPMAD_SLC_SUBAS 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_EHPMAD_SLC_SUBAS 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_EHPMAD_SLC_SUBAS INTO WA_EHPMAD_SLC_SUBAS.


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

*Conversion exit EHUNI, internal->external for field THRL_VALUE_UOM
CALL FUNCTION 'CONVERSION_EXIT_EHUNI_OUTPUT'
  EXPORTING
    input =                      WA_EHPMAD_SLC_SUBAS-THRL_VALUE_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPMAD_SLC_SUBAS-THRL_VALUE_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHUNI, internal->external for field USED_QUANTITY_UNIT
CALL FUNCTION 'CONVERSION_EXIT_EHUNI_OUTPUT'
  EXPORTING
    input =                      WA_EHPMAD_SLC_SUBAS-USED_QUANTITY_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPMAD_SLC_SUBAS-USED_QUANTITY_UNIT.
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_EHPMAD_SLC_SUBAS_STR, 
MANDT TYPE STRING,
UUID TYPE STRING,
CRR_UUID TYPE STRING,
CRR_SUB_UUID TYPE STRING,
CMPL_STAT TYPE STRING,
ASSESSMENT_STATUS TYPE STRING,
COMPONENT_UUID TYPE STRING,
SUBSTANCE_UUID TYPE STRING,
LISTSUB_ID TYPE STRING,
REGLIST_UUID TYPE STRING,
THRL_VALUE TYPE STRING,
THRL_VALUE_UOM TYPE STRING,
USED_QUANTITY_OPERATOR TYPE STRING,
USED_QUANTITY_VALUE TYPE STRING,
USED_QUANTITY_UNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPMAD_SLC_SUBAS_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_EHPMAD_SLC_SUBAS_STR-MANDT sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-UUID sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-CRR_UUID sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-CRR_SUB_UUID sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-CMPL_STAT sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-ASSESSMENT_STATUS sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-COMPONENT_UUID sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-SUBSTANCE_UUID sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-LISTSUB_ID sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-REGLIST_UUID sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-THRL_VALUE sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-THRL_VALUE_UOM sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-USED_QUANTITY_OPERATOR sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-USED_QUANTITY_VALUE sy-vline 
WA_EHPMAD_SLC_SUBAS_STR-USED_QUANTITY_UNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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