ABAP Select data from SAP table /SMB/BPIA_S_BB_LIB_H into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SMB/BPIA_S_BB_LIB_H
*  INTO TABLE @DATA(IT_/SMB/BPIA_S_BB_LIB_H2).
*--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_/SMB/BPIA_S_BB_LIB_H INDEX 1 INTO DATA(WA_/SMB/BPIA_S_BB_LIB_H2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SMB/BPIA_S_BB_LIB_H>-BBID = 1.
</SMB/BPIA_S_BB_LIB_H>-MINRELEASE = 1.
</SMB/BPIA_S_BB_LIB_H>-MAXRELEASE = 1.
</SMB/BPIA_S_BB_LIB_H>-DOC_ID = 1.
</SMB/BPIA_S_BB_LIB_H>-ACTS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SMB/BPIA_S_BB_LIB_H-SYSDATA, sy-vline,
  WA_/SMB/BPIA_S_BB_LIB_H-TASKS, sy-vline,
  WA_/SMB/BPIA_S_BB_LIB_H-FORMAT, sy-vline,
  WA_/SMB/BPIA_S_BB_LIB_H-DESCRIPTION, sy-vline,
  WA_/SMB/BPIA_S_BB_LIB_H-SOFTWARE_COMPONENTS, sy-vline,
  WA_/SMB/BPIA_S_BB_LIB_H-PREREQ_BBS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SMB/BPIA_S_BB_LIB_H 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_/SMB/BPIA_S_BB_LIB_H 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_/SMB/BPIA_S_BB_LIB_H INTO WA_/SMB/BPIA_S_BB_LIB_H.


*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_/SMB/BPIA_S_BB_LIB_H_STR, 
BBID TYPE STRING,
MINRELEASE TYPE STRING,
MAXRELEASE TYPE STRING,
DOC_ID TYPE STRING,
ACTS TYPE STRING,
SYSDATA TYPE STRING,
TASKS TYPE STRING,
FORMAT TYPE STRING,
DESCRIPTION TYPE STRING,
SOFTWARE_COMPONENTS TYPE STRING,
PREREQ_BBS TYPE STRING,
NOTES TYPE STRING,
SYSTEM_ID TYPE STRING,
APPLICATION_SERVER TYPE STRING,
CNAM TYPE STRING,
UNAM TYPE STRING,
EXPORT_DATE TYPE STRING,
IMG_SUBOBJECTS TYPE STRING,
BFUNCTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SMB/BPIA_S_BB_LIB_H_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_/SMB/BPIA_S_BB_LIB_H_STR-BBID sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-MINRELEASE sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-MAXRELEASE sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-DOC_ID sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-ACTS sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-SYSDATA sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-TASKS sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-FORMAT sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-DESCRIPTION sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-SOFTWARE_COMPONENTS sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-PREREQ_BBS sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-NOTES sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-SYSTEM_ID sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-APPLICATION_SERVER sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-CNAM sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-UNAM sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-EXPORT_DATE sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-IMG_SUBOBJECTS sy-vline 
WA_/SMB/BPIA_S_BB_LIB_H_STR-BFUNCTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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