ABAP Select data from SAP table ESH_S_IF_INA_ATTRIBUTES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_S_IF_INA_ATTRIBUTES
*  INTO TABLE @DATA(IT_ESH_S_IF_INA_ATTRIBUTES2).
*--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_ESH_S_IF_INA_ATTRIBUTES INDEX 1 INTO DATA(WA_ESH_S_IF_INA_ATTRIBUTES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_S_IF_INA_ATTRIBUTES>-ID = 1.
<ESH_S_IF_INA_ATTRIBUTES>-ALIAS = 1.
<ESH_S_IF_INA_ATTRIBUTES>-SEM_OBJ_TYPE = 1.
<ESH_S_IF_INA_ATTRIBUTES>-DESCRIPTION = 1.
<ESH_S_IF_INA_ATTRIBUTES>-DATATYPE_INA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_S_IF_INA_ATTRIBUTES-DATATYPE_ABAP, sy-vline,
  WA_ESH_S_IF_INA_ATTRIBUTES-DATATYPE_INT, sy-vline,
  WA_ESH_S_IF_INA_ATTRIBUTES-LENGTH, sy-vline,
  WA_ESH_S_IF_INA_ATTRIBUTES-LENGTH_INT, sy-vline,
  WA_ESH_S_IF_INA_ATTRIBUTES-DECIMALS, sy-vline,
  WA_ESH_S_IF_INA_ATTRIBUTES-CONVEXIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_S_IF_INA_ATTRIBUTES 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_ESH_S_IF_INA_ATTRIBUTES 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_ESH_S_IF_INA_ATTRIBUTES INTO WA_ESH_S_IF_INA_ATTRIBUTES.


*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 DTYPE, internal->external for field DATATYPE_ABAP
CALL FUNCTION 'CONVERSION_EXIT_DTYPE_OUTPUT'
  EXPORTING
    input =                      WA_ESH_S_IF_INA_ATTRIBUTES-DATATYPE_ABAP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_S_IF_INA_ATTRIBUTES-DATATYPE_ABAP.
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_ESH_S_IF_INA_ATTRIBUTES_STR, 
ID TYPE STRING,
ALIAS TYPE STRING,
SEM_OBJ_TYPE TYPE STRING,
DESCRIPTION TYPE STRING,
DATATYPE_INA TYPE STRING,
DATATYPE_ABAP TYPE STRING,
DATATYPE_INT TYPE STRING,
LENGTH TYPE STRING,
LENGTH_INT TYPE STRING,
DECIMALS TYPE STRING,
CONVEXIT TYPE STRING,
SEMANTIC_ES TYPE STRING,
SEMANTIC_INA TYPE STRING,
ISKEY TYPE STRING,
ISVIRTUAL TYPE STRING,
ISREQUEST TYPE STRING,
RELATED_RESPONSE_ATTRIBUTE TYPE STRING,
ISRESPONSE TYPE STRING,
ISFREESTYLE TYPE STRING,
ISAUTOCOMPLETE TYPE STRING,
ISLABELED TYPE STRING,
HASFULLTEXTINDEX TYPE STRING,
BUILDS_FACET TYPE STRING,
FACET_CASE_INSENSITIVE TYPE STRING,
ACCESS_ROLES TYPE STRING,
PRESENTATION_ROLES TYPE STRING,
LAYOUT_GROUPS TYPE STRING,
INDEX TYPE STRING,
IS_GROUP TYPE STRING,
CORRESPONDING_ATTR TYPE STRING,
CURRENCY_ATTRIBUTE TYPE STRING,
UOM_ATTRIBUTE TYPE STRING,
CONTAINING_GROUP TYPE STRING,
CARDINALITY TYPE STRING,
RANKING_WEIGHT TYPE STRING,
IS_BOOLEAN TYPE STRING,
VALUE_TRUE TYPE STRING,
VALUE_FALSE TYPE STRING,
IS_SORTABLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_S_IF_INA_ATTRIBUTES_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_ESH_S_IF_INA_ATTRIBUTES_STR-ID sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-ALIAS sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-SEM_OBJ_TYPE sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-DESCRIPTION sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-DATATYPE_INA sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-DATATYPE_ABAP sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-DATATYPE_INT sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-LENGTH sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-LENGTH_INT sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-DECIMALS sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-CONVEXIT sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-SEMANTIC_ES sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-SEMANTIC_INA sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-ISKEY sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-ISVIRTUAL sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-ISREQUEST sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-RELATED_RESPONSE_ATTRIBUTE sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-ISRESPONSE sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-ISFREESTYLE sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-ISAUTOCOMPLETE sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-ISLABELED sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-HASFULLTEXTINDEX sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-BUILDS_FACET sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-FACET_CASE_INSENSITIVE sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-ACCESS_ROLES sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-PRESENTATION_ROLES sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-LAYOUT_GROUPS sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-INDEX sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-IS_GROUP sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-CORRESPONDING_ATTR sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-CURRENCY_ATTRIBUTE sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-UOM_ATTRIBUTE sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-CONTAINING_GROUP sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-CARDINALITY sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-RANKING_WEIGHT sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-IS_BOOLEAN sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-VALUE_TRUE sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-VALUE_FALSE sy-vline 
WA_ESH_S_IF_INA_ATTRIBUTES_STR-IS_SORTABLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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