ABAP Select data from SAP table CRMS4S_EQUI_IL_ATTR_BUFFER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMS4S_EQUI_IL_ATTR_BUFFER 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 CRMS4S_EQUI_IL_ATTR_BUFFER. 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 CRMS4S_EQUI_IL_ATTR_BUFFER 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_CRMS4S_EQUI_IL_ATTR_BUFFER TYPE STANDARD TABLE OF CRMS4S_EQUI_IL_ATTR_BUFFER,
      WA_CRMS4S_EQUI_IL_ATTR_BUFFER TYPE CRMS4S_EQUI_IL_ATTR_BUFFER,
      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: <CRMS4S_EQUI_IL_ATTR_BUFFER> TYPE CRMS4S_EQUI_IL_ATTR_BUFFER.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CRMS4S_EQUI_IL_ATTR_BUFFER.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CRMS4S_EQUI_IL_ATTR_BUFFER
  INTO TABLE IT_CRMS4S_EQUI_IL_ATTR_BUFFER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMS4S_EQUI_IL_ATTR_BUFFER
*  INTO TABLE @DATA(IT_CRMS4S_EQUI_IL_ATTR_BUFFER2).
*--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_CRMS4S_EQUI_IL_ATTR_BUFFER INDEX 1 INTO DATA(WA_CRMS4S_EQUI_IL_ATTR_BUFFER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CRMS4S_EQUI_IL_ATTR_BUFFER ASSIGNING <CRMS4S_EQUI_IL_ATTR_BUFFER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMS4S_EQUI_IL_ATTR_BUFFER>-EQUIPMENT = 1.
<CRMS4S_EQUI_IL_ATTR_BUFFER>-EQUIPMENTNAME = 1.
<CRMS4S_EQUI_IL_ATTR_BUFFER>-EQUIPMENTCATEGORY = 1.
<CRMS4S_EQUI_IL_ATTR_BUFFER>-EQUIPMENTCATEGORYDESC = 1.
<CRMS4S_EQUI_IL_ATTR_BUFFER>-MATERIAL = 1.

ENDLOOP.

LOOP AT IT_CRMS4S_EQUI_IL_ATTR_BUFFER INTO WA_CRMS4S_EQUI_IL_ATTR_BUFFER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMS4S_EQUI_IL_ATTR_BUFFER-MATERIALNAME, sy-vline,
  WA_CRMS4S_EQUI_IL_ATTR_BUFFER-SERIALNUMBER, sy-vline,
  WA_CRMS4S_EQUI_IL_ATTR_BUFFER-LASTCHANGEDBYUSER, sy-vline,
  WA_CRMS4S_EQUI_IL_ATTR_BUFFER-CREATIONDATE, sy-vline,
  WA_CRMS4S_EQUI_IL_ATTR_BUFFER-CREATEDBYUSER, sy-vline,
  WA_CRMS4S_EQUI_IL_ATTR_BUFFER-MAINTOBJECTINTERNALID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMS4S_EQUI_IL_ATTR_BUFFER 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_CRMS4S_EQUI_IL_ATTR_BUFFER 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_CRMS4S_EQUI_IL_ATTR_BUFFER INTO WA_CRMS4S_EQUI_IL_ATTR_BUFFER.


*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 EQUIPMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_EQUI_IL_ATTR_BUFFER-EQUIPMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_EQUI_IL_ATTR_BUFFER-EQUIPMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_EQUI_IL_ATTR_BUFFER-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_EQUI_IL_ATTR_BUFFER-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field SERIALNUMBER
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_EQUI_IL_ATTR_BUFFER-SERIALNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_EQUI_IL_ATTR_BUFFER-SERIALNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQUIPMENT_DB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_EQUI_IL_ATTR_BUFFER-EQUIPMENT_DB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_EQUI_IL_ATTR_BUFFER-EQUIPMENT_DB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL_DB
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_EQUI_IL_ATTR_BUFFER-MATERIAL_DB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_EQUI_IL_ATTR_BUFFER-MATERIAL_DB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field SERIALNUMBER_DB
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_EQUI_IL_ATTR_BUFFER-SERIALNUMBER_DB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_EQUI_IL_ATTR_BUFFER-SERIALNUMBER_DB.
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_CRMS4S_EQUI_IL_ATTR_BUFFER_STR, 
EQUIPMENT TYPE STRING,
EQUIPMENTNAME TYPE STRING,
EQUIPMENTCATEGORY TYPE STRING,
EQUIPMENTCATEGORYDESC TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
SERIALNUMBER TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
MAINTOBJECTINTERNALID TYPE STRING,
LASTCHANGEDATE TYPE STRING,
UNIQUEITEMIDENTIFIER TYPE STRING,
EQUIPMENT_DB TYPE STRING,
EQUIPMENTNAME_DB TYPE STRING,
EQUIPMENTCATEGORY_DB TYPE STRING,
EQUIPMENTCATEGORYDESC_DB TYPE STRING,
MATERIAL_DB TYPE STRING,
MATERIALNAME_DB TYPE STRING,
SERIALNUMBER_DB TYPE STRING,
LASTCHANGEDBYUSER_DB TYPE STRING,
CREATIONDATE_DB TYPE STRING,
CREATEDBYUSER_DB TYPE STRING,
MAINTOBJECTINTERNALID_DB TYPE STRING,
LASTCHANGEDATE_DB TYPE STRING,
UNIQUEITEMIDENTIFIER_DB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMS4S_EQUI_IL_ATTR_BUFFER_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_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-EQUIPMENT sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-EQUIPMENTNAME sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-EQUIPMENTCATEGORY sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-EQUIPMENTCATEGORYDESC sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-MATERIAL sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-MATERIALNAME sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-SERIALNUMBER sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-LASTCHANGEDBYUSER sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-CREATIONDATE sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-CREATEDBYUSER sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-MAINTOBJECTINTERNALID sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-LASTCHANGEDATE sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-UNIQUEITEMIDENTIFIER sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-EQUIPMENT_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-EQUIPMENTNAME_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-EQUIPMENTCATEGORY_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-EQUIPMENTCATEGORYDESC_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-MATERIAL_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-MATERIALNAME_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-SERIALNUMBER_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-LASTCHANGEDBYUSER_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-CREATIONDATE_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-CREATEDBYUSER_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-MAINTOBJECTINTERNALID_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-LASTCHANGEDATE_DB sy-vline 
WA_CRMS4S_EQUI_IL_ATTR_BUFFER_STR-UNIQUEITEMIDENTIFIER_DB sy-vline      INTO ld_text SEPARATED BY SPACE.

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