ABAP Select data from SAP table CCIHS_BW_ERQ_TD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCIHS_BW_ERQ_TD
*  INTO TABLE @DATA(IT_CCIHS_BW_ERQ_TD2).
*--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_CCIHS_BW_ERQ_TD INDEX 1 INTO DATA(WA_CCIHS_BW_ERQ_TD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCIHS_BW_ERQ_TD>-UPDDAT = 1.
<CCIHS_BW_ERQ_TD>-RECORDMODE = 1.
<CCIHS_BW_ERQ_TD>-WAID = 1.
<CCIHS_BW_ERQ_TD>-SUBID = 1.
<CCIHS_BW_ERQ_TD>-MATNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCIHS_BW_ERQ_TD-WERKS, sy-vline,
  WA_CCIHS_BW_ERQ_TD-EPTYPE, sy-vline,
  WA_CCIHS_BW_ERQ_TD-OPCOND, sy-vline,
  WA_CCIHS_BW_ERQ_TD-STOCKVALUE, sy-vline,
  WA_CCIHS_BW_ERQ_TD-STOCKVALUNITKEY, sy-vline,
  WA_CCIHS_BW_ERQ_TD-STOCKIN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCIHS_BW_ERQ_TD 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_CCIHS_BW_ERQ_TD 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_CCIHS_BW_ERQ_TD INTO WA_CCIHS_BW_ERQ_TD.


*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 CHRID, internal->external for field WAID
CALL FUNCTION 'CONVERSION_EXIT_CHRID_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_BW_ERQ_TD-WAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_BW_ERQ_TD-WAID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_BW_ERQ_TD-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_BW_ERQ_TD-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field STOCKVALUNITKEY
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_BW_ERQ_TD-STOCKVALUNITKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_BW_ERQ_TD-STOCKVALUNITKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field STOCKINUNITKEY
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_BW_ERQ_TD-STOCKINUNITKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_BW_ERQ_TD-STOCKINUNITKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field STOCKOUTUNITKEY
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_BW_ERQ_TD-STOCKOUTUNITKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_BW_ERQ_TD-STOCKOUTUNITKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field AVMUNITKEY
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_BW_ERQ_TD-AVMUNITKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_BW_ERQ_TD-AVMUNITKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MXMUNITKEY
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_BW_ERQ_TD-MXMUNITKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_BW_ERQ_TD-MXMUNITKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field AVVUNITKEY
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_BW_ERQ_TD-AVVUNITKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_BW_ERQ_TD-AVVUNITKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MXVUNITKEY
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_BW_ERQ_TD-MXVUNITKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_BW_ERQ_TD-MXVUNITKEY.
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_CCIHS_BW_ERQ_TD_STR, 
UPDDAT TYPE STRING,
RECORDMODE TYPE STRING,
WAID TYPE STRING,
SUBID TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
EPTYPE TYPE STRING,
OPCOND TYPE STRING,
STOCKVALUE TYPE STRING,
STOCKVALUNITKEY TYPE STRING,
STOCKIN TYPE STRING,
STOCKINUNITKEY TYPE STRING,
STOCKOUT TYPE STRING,
STOCKOUTUNITKEY TYPE STRING,
AVM TYPE STRING,
AVMUNITKEY TYPE STRING,
MXM TYPE STRING,
MXMUNITKEY TYPE STRING,
AVV TYPE STRING,
AVVUNITKEY TYPE STRING,
MXV TYPE STRING,
MXVUNITKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCIHS_BW_ERQ_TD_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_CCIHS_BW_ERQ_TD_STR-UPDDAT sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-RECORDMODE sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-WAID sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-SUBID sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-MATNR sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-WERKS sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-EPTYPE sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-OPCOND sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-STOCKVALUE sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-STOCKVALUNITKEY sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-STOCKIN sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-STOCKINUNITKEY sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-STOCKOUT sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-STOCKOUTUNITKEY sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-AVM sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-AVMUNITKEY sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-MXM sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-MXMUNITKEY sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-AVV sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-AVVUNITKEY sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-MXV sy-vline 
WA_CCIHS_BW_ERQ_TD_STR-MXVUNITKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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