ABAP Select data from SAP table /SAPSLL/API1006_HEAD_SPI_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPSLL/API1006_HEAD_SPI_S 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 /SAPSLL/API1006_HEAD_SPI_S. 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 /SAPSLL/API1006_HEAD_SPI_S 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_/SAPSLL/API1006_HEAD_SPI_S TYPE STANDARD TABLE OF /SAPSLL/API1006_HEAD_SPI_S,
      WA_/SAPSLL/API1006_HEAD_SPI_S TYPE /SAPSLL/API1006_HEAD_SPI_S,
      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: </SAPSLL/API1006_HEAD_SPI_S> TYPE /SAPSLL/API1006_HEAD_SPI_S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPSLL/API1006_HEAD_SPI_S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPSLL/API1006_HEAD_SPI_S
  INTO TABLE IT_/SAPSLL/API1006_HEAD_SPI_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSLL/API1006_HEAD_SPI_S
*  INTO TABLE @DATA(IT_/SAPSLL/API1006_HEAD_SPI_S2).
*--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_/SAPSLL/API1006_HEAD_SPI_S INDEX 1 INTO DATA(WA_/SAPSLL/API1006_HEAD_SPI_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPSLL/API1006_HEAD_SPI_S ASSIGNING </SAPSLL/API1006_HEAD_SPI_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSLL/API1006_HEAD_SPI_S>-PARTNER_ID = 1.
</SAPSLL/API1006_HEAD_SPI_S>-BPARTNER = 1.
</SAPSLL/API1006_HEAD_SPI_S>-PARTN_CAT = 1.
</SAPSLL/API1006_HEAD_SPI_S>-PARTN_TYP = 1.
</SAPSLL/API1006_HEAD_SPI_S>-PARTN_GRP = 1.

ENDLOOP.

LOOP AT IT_/SAPSLL/API1006_HEAD_SPI_S INTO WA_/SAPSLL/API1006_HEAD_SPI_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPSLL/API1006_HEAD_SPI_S-PARTNERGUID, sy-vline,
  WA_/SAPSLL/API1006_HEAD_SPI_S-EXTERN_NO, sy-vline,
  WA_/SAPSLL/API1006_HEAD_SPI_S-ADDR_NO, sy-vline,
  WA_/SAPSLL/API1006_HEAD_SPI_S-ADDRESSGUID, sy-vline,
  WA_/SAPSLL/API1006_HEAD_SPI_S-EXTERNALADDRESSNUMBER, sy-vline,
  WA_/SAPSLL/API1006_HEAD_SPI_S-PARTNERROLE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSLL/API1006_HEAD_SPI_S 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_/SAPSLL/API1006_HEAD_SPI_S 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_/SAPSLL/API1006_HEAD_SPI_S INTO WA_/SAPSLL/API1006_HEAD_SPI_S.


*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 PARTNER_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API1006_HEAD_SPI_S-PARTNER_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API1006_HEAD_SPI_S-PARTNER_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API1006_HEAD_SPI_S-BPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API1006_HEAD_SPI_S-BPARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDR_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API1006_HEAD_SPI_S-ADDR_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API1006_HEAD_SPI_S-ADDR_NO.
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_/SAPSLL/API1006_HEAD_SPI_S_STR, 
PARTNER_ID TYPE STRING,
BPARTNER TYPE STRING,
PARTN_CAT TYPE STRING,
PARTN_TYP TYPE STRING,
PARTN_GRP TYPE STRING,
PARTNERGUID TYPE STRING,
EXTERN_NO TYPE STRING,
ADDR_NO TYPE STRING,
ADDRESSGUID TYPE STRING,
EXTERNALADDRESSNUMBER TYPE STRING,
PARTNERROLE TYPE STRING,
BANKDETAILID TYPE STRING,
EXTERNALBANKDETAILID TYPE STRING,
PARTNGUID TYPE STRING,
PARTNROLE TYPE STRING,
CONTROLDUPLICATEMESSAGE TYPE STRING,
NEWINTERNALMODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSLL/API1006_HEAD_SPI_S_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_/SAPSLL/API1006_HEAD_SPI_S_STR-PARTNER_ID sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-BPARTNER sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-PARTN_CAT sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-PARTN_TYP sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-PARTN_GRP sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-PARTNERGUID sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-EXTERN_NO sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-ADDR_NO sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-ADDRESSGUID sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-EXTERNALADDRESSNUMBER sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-PARTNERROLE sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-BANKDETAILID sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-EXTERNALBANKDETAILID sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-PARTNGUID sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-PARTNROLE sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-CONTROLDUPLICATEMESSAGE sy-vline 
WA_/SAPSLL/API1006_HEAD_SPI_S_STR-NEWINTERNALMODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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