ABAP Select data from SAP table /SMB/BPIA_S_PRJ_H_D 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_PRJ_H_D 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_PRJ_H_D. 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_PRJ_H_D 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_PRJ_H_D TYPE STANDARD TABLE OF /SMB/BPIA_S_PRJ_H_D,
      WA_/SMB/BPIA_S_PRJ_H_D TYPE /SMB/BPIA_S_PRJ_H_D,
      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_PRJ_H_D> TYPE /SMB/BPIA_S_PRJ_H_D.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SMB/BPIA_S_PRJ_H_D
*  INTO TABLE @DATA(IT_/SMB/BPIA_S_PRJ_H_D2).
*--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_PRJ_H_D INDEX 1 INTO DATA(WA_/SMB/BPIA_S_PRJ_H_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SMB/BPIA_S_PRJ_H_D>-WORKDIR = 1.
</SMB/BPIA_S_PRJ_H_D>-DOC_ID = 1.
</SMB/BPIA_S_PRJ_H_D>-MAIN_LANG1 = 1.
</SMB/BPIA_S_PRJ_H_D>-MAIN_LANG2 = 1.
</SMB/BPIA_S_PRJ_H_D>-QNA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SMB/BPIA_S_PRJ_H_D-PRICE, sy-vline,
  WA_/SMB/BPIA_S_PRJ_H_D-COMPLEX, sy-vline,
  WA_/SMB/BPIA_S_PRJ_H_D-SIR_SI_ID, sy-vline,
  WA_/SMB/BPIA_S_PRJ_H_D-SIR_SI_COUNTRY, sy-vline,
  WA_/SMB/BPIA_S_PRJ_H_D-SIR_SI_PROD_VERS, sy-vline,
  WA_/SMB/BPIA_S_PRJ_H_D-SIR_SI_PROD_V_OB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SMB/BPIA_S_PRJ_H_D 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_PRJ_H_D 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_PRJ_H_D INTO WA_/SMB/BPIA_S_PRJ_H_D.


*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 ISOLA, internal->external for field MAIN_LANG1
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SMB/BPIA_S_PRJ_H_D-MAIN_LANG1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SMB/BPIA_S_PRJ_H_D-MAIN_LANG1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field MAIN_LANG2
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SMB/BPIA_S_PRJ_H_D-MAIN_LANG2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SMB/BPIA_S_PRJ_H_D-MAIN_LANG2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SMB/BPIA_S_PRJ_H_D-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SMB/BPIA_S_PRJ_H_D-MATNR.
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_/SMB/BPIA_S_PRJ_H_D_STR, 
WORKDIR TYPE STRING,
DOC_ID TYPE STRING,
MAIN_LANG1 TYPE STRING,
MAIN_LANG2 TYPE STRING,
QNA TYPE STRING,
PRICE TYPE STRING,
COMPLEX TYPE STRING,
SIR_SI_ID TYPE STRING,
SIR_SI_COUNTRY TYPE STRING,
SIR_SI_PROD_VERS TYPE STRING,
SIR_SI_PROD_V_OB TYPE STRING,
SIR_PROD_ALIAS TYPE STRING,
SIR_PROD_VERS_AL TYPE STRING,
PRICE_RELEVANT TYPE STRING,
MATNR TYPE STRING,
NON_STD_SCOPE TYPE STRING,
MATNRS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SMB/BPIA_S_PRJ_H_D_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_PRJ_H_D_STR-WORKDIR sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-DOC_ID sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-MAIN_LANG1 sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-MAIN_LANG2 sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-QNA sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-PRICE sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-COMPLEX sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-SIR_SI_ID sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-SIR_SI_COUNTRY sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-SIR_SI_PROD_VERS sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-SIR_SI_PROD_V_OB sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-SIR_PROD_ALIAS sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-SIR_PROD_VERS_AL sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-PRICE_RELEVANT sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-MATNR sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-NON_STD_SCOPE sy-vline 
WA_/SMB/BPIA_S_PRJ_H_D_STR-MATNRS sy-vline      INTO ld_text SEPARATED BY SPACE.

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