ABAP Select data from SAP table /PLMB/S_SPC_BAS_HEADER_ATTR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PLMB/S_SPC_BAS_HEADER_ATTR 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 /PLMB/S_SPC_BAS_HEADER_ATTR. 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 /PLMB/S_SPC_BAS_HEADER_ATTR 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_/PLMB/S_SPC_BAS_HEADER_ATTR TYPE STANDARD TABLE OF /PLMB/S_SPC_BAS_HEADER_ATTR,
      WA_/PLMB/S_SPC_BAS_HEADER_ATTR TYPE /PLMB/S_SPC_BAS_HEADER_ATTR,
      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: </PLMB/S_SPC_BAS_HEADER_ATTR> TYPE /PLMB/S_SPC_BAS_HEADER_ATTR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PLMB/S_SPC_BAS_HEADER_ATTR
  INTO TABLE IT_/PLMB/S_SPC_BAS_HEADER_ATTR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMB/S_SPC_BAS_HEADER_ATTR
*  INTO TABLE @DATA(IT_/PLMB/S_SPC_BAS_HEADER_ATTR2).
*--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_/PLMB/S_SPC_BAS_HEADER_ATTR INDEX 1 INTO DATA(WA_/PLMB/S_SPC_BAS_HEADER_ATTR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PLMB/S_SPC_BAS_HEADER_ATTR ASSIGNING </PLMB/S_SPC_BAS_HEADER_ATTR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMB/S_SPC_BAS_HEADER_ATTR>-IDENT_1_DESC = 1.
</PLMB/S_SPC_BAS_HEADER_ATTR>-IDENT_1_VALUE = 1.
</PLMB/S_SPC_BAS_HEADER_ATTR>-IDENT_2_DESC = 1.
</PLMB/S_SPC_BAS_HEADER_ATTR>-IDENT_2_VALUE = 1.
</PLMB/S_SPC_BAS_HEADER_ATTR>-AENNR = 1.

ENDLOOP.

LOOP AT IT_/PLMB/S_SPC_BAS_HEADER_ATTR INTO WA_/PLMB/S_SPC_BAS_HEADER_ATTR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMB/S_SPC_BAS_HEADER_ATTR-CHANGE_NR_DESC, sy-vline,
  WA_/PLMB/S_SPC_BAS_HEADER_ATTR-VALFR, sy-vline,
  WA_/PLMB/S_SPC_BAS_HEADER_ATTR-VALTO, sy-vline,
  WA_/PLMB/S_SPC_BAS_HEADER_ATTR-SUBCHAR, sy-vline,
  WA_/PLMB/S_SPC_BAS_HEADER_ATTR-SUBCHAR_NAME, sy-vline,
  WA_/PLMB/S_SPC_BAS_HEADER_ATTR-AUTHGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMB/S_SPC_BAS_HEADER_ATTR 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_/PLMB/S_SPC_BAS_HEADER_ATTR 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_/PLMB/S_SPC_BAS_HEADER_ATTR INTO WA_/PLMB/S_SPC_BAS_HEADER_ATTR.


*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 AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_SPC_BAS_HEADER_ATTR-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_SPC_BAS_HEADER_ATTR-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPEC1, internal->external for field SUBID
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_SPC_BAS_HEADER_ATTR-SUBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_SPC_BAS_HEADER_ATTR-SUBID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPEC1, internal->external for field CPY_SUBID
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_SPC_BAS_HEADER_ATTR-CPY_SUBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_SPC_BAS_HEADER_ATTR-CPY_SUBID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CPY_AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMB/S_SPC_BAS_HEADER_ATTR-CPY_AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMB/S_SPC_BAS_HEADER_ATTR-CPY_AENNR.
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_/PLMB/S_SPC_BAS_HEADER_ATTR_STR, 
IDENT_1_DESC TYPE STRING,
IDENT_1_VALUE TYPE STRING,
IDENT_2_DESC TYPE STRING,
IDENT_2_VALUE TYPE STRING,
AENNR TYPE STRING,
CHANGE_NR_DESC TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
SUBCHAR TYPE STRING,
SUBCHAR_NAME TYPE STRING,
AUTHGRP TYPE STRING,
AUTHGRP_NAME TYPE STRING,
REM TYPE STRING,
CRNAM TYPE STRING,
CREATED_BY TYPE STRING,
CRDAT TYPE STRING,
UPDNAM TYPE STRING,
CHANGED_BY TYPE STRING,
UPDDAT TYPE STRING,
UPDNAMS TYPE STRING,
LAST_CHANGED_BY TYPE STRING,
UPDDATS TYPE STRING,
SUBID TYPE STRING,
SUBCAT TYPE STRING,
SUBCAT_NAME TYPE STRING,
OBJTYPE TYPE STRING,
OBJTYPE_NAME TYPE STRING,
CPY_FLAG TYPE STRING,
CPY_SUBID TYPE STRING,
CPY_AENNR TYPE STRING,
CPY_KEYDATE TYPE STRING,
TEMPLATE TYPE STRING,
GRPID TYPE STRING,
CPY_MAT_ASMNT_IND TYPE STRING,
CPY_REF_IND TYPE STRING,
CPY_DOC_ASMNT_IND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMB/S_SPC_BAS_HEADER_ATTR_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_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-IDENT_1_DESC sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-IDENT_1_VALUE sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-IDENT_2_DESC sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-IDENT_2_VALUE sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-AENNR sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CHANGE_NR_DESC sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-VALFR sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-VALTO sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-SUBCHAR sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-SUBCHAR_NAME sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-AUTHGRP sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-AUTHGRP_NAME sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-REM sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CRNAM sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CREATED_BY sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CRDAT sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-UPDNAM sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CHANGED_BY sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-UPDDAT sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-UPDNAMS sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-LAST_CHANGED_BY sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-UPDDATS sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-SUBID sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-SUBCAT sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-SUBCAT_NAME sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-OBJTYPE sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-OBJTYPE_NAME sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CPY_FLAG sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CPY_SUBID sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CPY_AENNR sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CPY_KEYDATE sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-TEMPLATE sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-GRPID sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CPY_MAT_ASMNT_IND sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CPY_REF_IND sy-vline 
WA_/PLMB/S_SPC_BAS_HEADER_ATTR_STR-CPY_DOC_ASMNT_IND sy-vline      INTO ld_text SEPARATED BY SPACE.

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