ABAP Select data from SAP table EHPRCS_PSTRDATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHPRCS_PSTRDATA 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_PSTRDATA. 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_PSTRDATA 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_PSTRDATA TYPE STANDARD TABLE OF EHPRCS_PSTRDATA,
      WA_EHPRCS_PSTRDATA TYPE EHPRCS_PSTRDATA,
      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_PSTRDATA> TYPE EHPRCS_PSTRDATA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCS_PSTRDATA
*  INTO TABLE @DATA(IT_EHPRCS_PSTRDATA2).
*--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_PSTRDATA INDEX 1 INTO DATA(WA_EHPRCS_PSTRDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPRCS_PSTRDATA>-NODE_KEY = 1.
<EHPRCS_PSTRDATA>-PARENT_NODE_KEY = 1.
<EHPRCS_PSTRDATA>-NEXT_NODE_KEY = 1.
<EHPRCS_PSTRDATA>-ORD = 1.
<EHPRCS_PSTRDATA>-NODE_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPRCS_PSTRDATA-PHAN_TYPE, sy-vline,
  WA_EHPRCS_PSTRDATA-SPEC_TYPE, sy-vline,
  WA_EHPRCS_PSTRDATA-ID, sy-vline,
  WA_EHPRCS_PSTRDATA-IDENT1, sy-vline,
  WA_EHPRCS_PSTRDATA-IDENT2, sy-vline,
  WA_EHPRCS_PSTRDATA-SPEC_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPRCS_PSTRDATA 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_PSTRDATA 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_PSTRDATA INTO WA_EHPRCS_PSTRDATA.


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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field RECN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_PSTRDATA-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_PSTRDATA-RECN.
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_PSTRDATA_STR, 
NODE_KEY TYPE STRING,
PARENT_NODE_KEY TYPE STRING,
NEXT_NODE_KEY TYPE STRING,
ORD TYPE STRING,
NODE_TYPE TYPE STRING,
PHAN_TYPE TYPE STRING,
SPEC_TYPE TYPE STRING,
ID TYPE STRING,
IDENT1 TYPE STRING,
IDENT2 TYPE STRING,
SPEC_ID TYPE STRING,
MAT_NO TYPE STRING,
MAT_NO_COMP TYPE STRING,
FLG_HAS_COMP TYPE STRING,
FLG_AMPL_HEAD TYPE STRING,
FLG_MULT_SUPPL TYPE STRING,
FLG_PREFERRED TYPE STRING,
FLG_BLOCKED TYPE STRING,
FLG_PLANTS_ONLY TYPE STRING,
FLG_SALEABLE TYPE STRING,
FLG_ACTIVE TYPE STRING,
STATUS TYPE STRING,
PROPERTY TYPE STRING,
PLANT TYPE STRING,
USAGE TYPE STRING,
ALTERNATE TYPE STRING,
SUPPLIER_LIST TYPE STRING,
CUSTOMER_LIST TYPE STRING,
CUSTOM TYPE STRING,
GROUP TYPE STRING,
PLANT_NAME TYPE STRING,
SUPPL_NO TYPE STRING,
SUPPL_NAME TYPE STRING,
CUST_NO TYPE STRING,
RECNVA TYPE STRING,
ACTNVA TYPE STRING,
RECNVP TYPE STRING,
ACTNVP TYPE STRING,
CALC_MASS TYPE STRING,
MASS_UNIT TYPE STRING,
RECN TYPE STRING,
MATCAT TYPE STRING,
LEVEL TYPE STRING,
COMP_GROUP TYPE STRING,
GENERATED TYPE STRING,
MATNR_TAB TYPE STRING,
CD_KEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCS_PSTRDATA_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_PSTRDATA_STR-NODE_KEY sy-vline 
WA_EHPRCS_PSTRDATA_STR-PARENT_NODE_KEY sy-vline 
WA_EHPRCS_PSTRDATA_STR-NEXT_NODE_KEY sy-vline 
WA_EHPRCS_PSTRDATA_STR-ORD sy-vline 
WA_EHPRCS_PSTRDATA_STR-NODE_TYPE sy-vline 
WA_EHPRCS_PSTRDATA_STR-PHAN_TYPE sy-vline 
WA_EHPRCS_PSTRDATA_STR-SPEC_TYPE sy-vline 
WA_EHPRCS_PSTRDATA_STR-ID sy-vline 
WA_EHPRCS_PSTRDATA_STR-IDENT1 sy-vline 
WA_EHPRCS_PSTRDATA_STR-IDENT2 sy-vline 
WA_EHPRCS_PSTRDATA_STR-SPEC_ID sy-vline 
WA_EHPRCS_PSTRDATA_STR-MAT_NO sy-vline 
WA_EHPRCS_PSTRDATA_STR-MAT_NO_COMP sy-vline 
WA_EHPRCS_PSTRDATA_STR-FLG_HAS_COMP sy-vline 
WA_EHPRCS_PSTRDATA_STR-FLG_AMPL_HEAD sy-vline 
WA_EHPRCS_PSTRDATA_STR-FLG_MULT_SUPPL sy-vline 
WA_EHPRCS_PSTRDATA_STR-FLG_PREFERRED sy-vline 
WA_EHPRCS_PSTRDATA_STR-FLG_BLOCKED sy-vline 
WA_EHPRCS_PSTRDATA_STR-FLG_PLANTS_ONLY sy-vline 
WA_EHPRCS_PSTRDATA_STR-FLG_SALEABLE sy-vline 
WA_EHPRCS_PSTRDATA_STR-FLG_ACTIVE sy-vline 
WA_EHPRCS_PSTRDATA_STR-STATUS sy-vline 
WA_EHPRCS_PSTRDATA_STR-PROPERTY sy-vline 
WA_EHPRCS_PSTRDATA_STR-PLANT sy-vline 
WA_EHPRCS_PSTRDATA_STR-USAGE sy-vline 
WA_EHPRCS_PSTRDATA_STR-ALTERNATE sy-vline 
WA_EHPRCS_PSTRDATA_STR-SUPPLIER_LIST sy-vline 
WA_EHPRCS_PSTRDATA_STR-CUSTOMER_LIST sy-vline 
WA_EHPRCS_PSTRDATA_STR-CUSTOM sy-vline 
WA_EHPRCS_PSTRDATA_STR-GROUP sy-vline 
WA_EHPRCS_PSTRDATA_STR-PLANT_NAME sy-vline 
WA_EHPRCS_PSTRDATA_STR-SUPPL_NO sy-vline 
WA_EHPRCS_PSTRDATA_STR-SUPPL_NAME sy-vline 
WA_EHPRCS_PSTRDATA_STR-CUST_NO sy-vline 
WA_EHPRCS_PSTRDATA_STR-RECNVA sy-vline 
WA_EHPRCS_PSTRDATA_STR-ACTNVA sy-vline 
WA_EHPRCS_PSTRDATA_STR-RECNVP sy-vline 
WA_EHPRCS_PSTRDATA_STR-ACTNVP sy-vline 
WA_EHPRCS_PSTRDATA_STR-CALC_MASS sy-vline 
WA_EHPRCS_PSTRDATA_STR-MASS_UNIT sy-vline 
WA_EHPRCS_PSTRDATA_STR-RECN sy-vline 
WA_EHPRCS_PSTRDATA_STR-MATCAT sy-vline 
WA_EHPRCS_PSTRDATA_STR-LEVEL sy-vline 
WA_EHPRCS_PSTRDATA_STR-COMP_GROUP sy-vline 
WA_EHPRCS_PSTRDATA_STR-GENERATED sy-vline 
WA_EHPRCS_PSTRDATA_STR-MATNR_TAB sy-vline 
WA_EHPRCS_PSTRDATA_STR-CD_KEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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