ABAP Select data from SAP table BBP_PDS_HCF_CTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BBP_PDS_HCF_CTR
*  INTO TABLE @DATA(IT_BBP_PDS_HCF_CTR2).
*--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_BBP_PDS_HCF_CTR INDEX 1 INTO DATA(WA_BBP_PDS_HCF_CTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BBP_PDS_HCF_CTR>-CLIENT = 1.
<BBP_PDS_HCF_CTR>-GUID = 1.
<BBP_PDS_HCF_CTR>-P_GUID = 1.
<BBP_PDS_HCF_CTR>-DEL_IND = 1.
<BBP_PDS_HCF_CTR>-TABLE_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BBP_PDS_HCF_CTR-HCF_NO, sy-vline,
  WA_BBP_PDS_HCF_CTR-DUMMY_EEW_PDHST_CTR, sy-vline,
  WA_BBP_PDS_HCF_CTR-POP, sy-vline,
  WA_BBP_PDS_HCF_CTR-POP_START, sy-vline,
  WA_BBP_PDS_HCF_CTR-POP_END, sy-vline,
  WA_BBP_PDS_HCF_CTR-POP_STATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BBP_PDS_HCF_CTR 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_BBP_PDS_HCF_CTR 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_BBP_PDS_HCF_CTR INTO WA_BBP_PDS_HCF_CTR.


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

*Conversion exit TSTPS, internal->external for field CREATEDAT
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BBP_PDS_HCF_CTR-CREATEDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_PDS_HCF_CTR-CREATEDAT.
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_BBP_PDS_HCF_CTR_STR, 
CLIENT TYPE STRING,
GUID TYPE STRING,
P_GUID TYPE STRING,
DEL_IND TYPE STRING,
TABLE_TYPE TYPE STRING,
HCF_NO TYPE STRING,
DUMMY_EEW_PDHST_CTR TYPE STRING,
POP TYPE STRING,
POP_START TYPE STRING,
POP_END TYPE STRING,
POP_STATUS TYPE STRING,
POP_SIGN TYPE STRING,
POP_PERCENTAGE TYPE STRING,
POP_QTY_VAL TYPE STRING,
POP_VALUE TYPE STRING,
POP_CALL_VALUE TYPE STRING,
PS_EST_VAL TYPE STRING,
PS_POP_SRC_GUID TYPE STRING,
PS_POP_NUM_INT TYPE STRING,
PS_POP_SET TYPE STRING,
SYNOPSISNUM TYPE STRING,
SYNOPSISID TYPE STRING,
BUSINESSOBJECT TYPE STRING,
SAPDOCNUM TYPE STRING,
LPROCNUM TYPE STRING,
EXTID TYPE STRING,
COMMID TYPE STRING,
CREATEDBY TYPE STRING,
CREATEDAT TYPE STRING,
VERSION TYPE STRING,
STATUS TYPE STRING,
DUMMY_EEW_PDHCT_CTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BBP_PDS_HCF_CTR_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_BBP_PDS_HCF_CTR_STR-CLIENT sy-vline 
WA_BBP_PDS_HCF_CTR_STR-GUID sy-vline 
WA_BBP_PDS_HCF_CTR_STR-P_GUID sy-vline 
WA_BBP_PDS_HCF_CTR_STR-DEL_IND sy-vline 
WA_BBP_PDS_HCF_CTR_STR-TABLE_TYPE sy-vline 
WA_BBP_PDS_HCF_CTR_STR-HCF_NO sy-vline 
WA_BBP_PDS_HCF_CTR_STR-DUMMY_EEW_PDHST_CTR sy-vline 
WA_BBP_PDS_HCF_CTR_STR-POP sy-vline 
WA_BBP_PDS_HCF_CTR_STR-POP_START sy-vline 
WA_BBP_PDS_HCF_CTR_STR-POP_END sy-vline 
WA_BBP_PDS_HCF_CTR_STR-POP_STATUS sy-vline 
WA_BBP_PDS_HCF_CTR_STR-POP_SIGN sy-vline 
WA_BBP_PDS_HCF_CTR_STR-POP_PERCENTAGE sy-vline 
WA_BBP_PDS_HCF_CTR_STR-POP_QTY_VAL sy-vline 
WA_BBP_PDS_HCF_CTR_STR-POP_VALUE sy-vline 
WA_BBP_PDS_HCF_CTR_STR-POP_CALL_VALUE sy-vline 
WA_BBP_PDS_HCF_CTR_STR-PS_EST_VAL sy-vline 
WA_BBP_PDS_HCF_CTR_STR-PS_POP_SRC_GUID sy-vline 
WA_BBP_PDS_HCF_CTR_STR-PS_POP_NUM_INT sy-vline 
WA_BBP_PDS_HCF_CTR_STR-PS_POP_SET sy-vline 
WA_BBP_PDS_HCF_CTR_STR-SYNOPSISNUM sy-vline 
WA_BBP_PDS_HCF_CTR_STR-SYNOPSISID sy-vline 
WA_BBP_PDS_HCF_CTR_STR-BUSINESSOBJECT sy-vline 
WA_BBP_PDS_HCF_CTR_STR-SAPDOCNUM sy-vline 
WA_BBP_PDS_HCF_CTR_STR-LPROCNUM sy-vline 
WA_BBP_PDS_HCF_CTR_STR-EXTID sy-vline 
WA_BBP_PDS_HCF_CTR_STR-COMMID sy-vline 
WA_BBP_PDS_HCF_CTR_STR-CREATEDBY sy-vline 
WA_BBP_PDS_HCF_CTR_STR-CREATEDAT sy-vline 
WA_BBP_PDS_HCF_CTR_STR-VERSION sy-vline 
WA_BBP_PDS_HCF_CTR_STR-STATUS sy-vline 
WA_BBP_PDS_HCF_CTR_STR-DUMMY_EEW_PDHCT_CTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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