ABAP Select data from SAP table EHPRCS_EXP01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHPRCS_EXP01 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 EHPRCS_EXP01. 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 EHPRCS_EXP01 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_EHPRCS_EXP01 TYPE STANDARD TABLE OF EHPRCS_EXP01,
      WA_EHPRCS_EXP01 TYPE EHPRCS_EXP01,
      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: <EHPRCS_EXP01> TYPE EHPRCS_EXP01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EHPRCS_EXP01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EHPRCS_EXP01
  INTO TABLE IT_EHPRCS_EXP01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCS_EXP01
*  INTO TABLE @DATA(IT_EHPRCS_EXP012).
*--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_EHPRCS_EXP01 INDEX 1 INTO DATA(WA_EHPRCS_EXP012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EHPRCS_EXP01 ASSIGNING <EHPRCS_EXP01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPRCS_EXP01>-MARK = 1.
<EHPRCS_EXP01>-STATUS = 1.
<EHPRCS_EXP01>-EXPDATE = 1.
<EHPRCS_EXP01>-EXPLANGU = 1.
<EHPRCS_EXP01>-MATNR = 1.

ENDLOOP.

LOOP AT IT_EHPRCS_EXP01 INTO WA_EHPRCS_EXP01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPRCS_EXP01-MAKTX, sy-vline,
  WA_EHPRCS_EXP01-KDMAT, sy-vline,
  WA_EHPRCS_EXP01-POSTX, sy-vline,
  WA_EHPRCS_EXP01-CUSTLIFNR, sy-vline,
  WA_EHPRCS_EXP01-CVDDP, sy-vline,
  WA_EHPRCS_EXP01-LOG_HANDLE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPRCS_EXP01 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_EHPRCS_EXP01 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_EHPRCS_EXP01 INTO WA_EHPRCS_EXP01.


*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 EXPLANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_EXP01-EXPLANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_EXP01-EXPLANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_EXP01-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_EXP01-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BPNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_EXP01-BPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_EXP01-BPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_EXP01-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_EXP01-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPEC1, internal->external for field SUBID
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_EXP01-SUBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_EXP01-SUBID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CHRID, internal->external for field SBGVID
CALL FUNCTION 'CONVERSION_EXIT_CHRID_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_EXP01-SBGVID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_EXP01-SBGVID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_EXP01-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_EXP01-LANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNDH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_EXP01-RECNDH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_EXP01-RECNDH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HDRNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_EXP01-HDRNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_EXP01-HDRNO.
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_EHPRCS_EXP01_STR, 
MARK TYPE STRING,
STATUS TYPE STRING,
EXPDATE TYPE STRING,
EXPLANGU TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
KDMAT TYPE STRING,
POSTX TYPE STRING,
CUSTLIFNR TYPE STRING,
CVDDP TYPE STRING,
LOG_HANDLE TYPE STRING,
MSGTY TYPE STRING,
EXPTYP TYPE STRING,
BPNR TYPE STRING,
KUNNR TYPE STRING,
NAME1 TYPE STRING,
PARA TYPE STRING,
SUBID TYPE STRING,
SBGVID TYPE STRING,
LANGU TYPE STRING,
EHSDOCCAT TYPE STRING,
INTVERSION TYPE STRING,
DMSKEY TYPE STRING,
RECNDH TYPE STRING,
HDRNO TYPE STRING,
VERSTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCS_EXP01_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_EHPRCS_EXP01_STR-MARK sy-vline 
WA_EHPRCS_EXP01_STR-STATUS sy-vline 
WA_EHPRCS_EXP01_STR-EXPDATE sy-vline 
WA_EHPRCS_EXP01_STR-EXPLANGU sy-vline 
WA_EHPRCS_EXP01_STR-MATNR sy-vline 
WA_EHPRCS_EXP01_STR-MAKTX sy-vline 
WA_EHPRCS_EXP01_STR-KDMAT sy-vline 
WA_EHPRCS_EXP01_STR-POSTX sy-vline 
WA_EHPRCS_EXP01_STR-CUSTLIFNR sy-vline 
WA_EHPRCS_EXP01_STR-CVDDP sy-vline 
WA_EHPRCS_EXP01_STR-LOG_HANDLE sy-vline 
WA_EHPRCS_EXP01_STR-MSGTY sy-vline 
WA_EHPRCS_EXP01_STR-EXPTYP sy-vline 
WA_EHPRCS_EXP01_STR-BPNR sy-vline 
WA_EHPRCS_EXP01_STR-KUNNR sy-vline 
WA_EHPRCS_EXP01_STR-NAME1 sy-vline 
WA_EHPRCS_EXP01_STR-PARA sy-vline 
WA_EHPRCS_EXP01_STR-SUBID sy-vline 
WA_EHPRCS_EXP01_STR-SBGVID sy-vline 
WA_EHPRCS_EXP01_STR-LANGU sy-vline 
WA_EHPRCS_EXP01_STR-EHSDOCCAT sy-vline 
WA_EHPRCS_EXP01_STR-INTVERSION sy-vline 
WA_EHPRCS_EXP01_STR-DMSKEY sy-vline 
WA_EHPRCS_EXP01_STR-RECNDH sy-vline 
WA_EHPRCS_EXP01_STR-HDRNO sy-vline 
WA_EHPRCS_EXP01_STR-VERSTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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