ABAP Select data from SAP table HCMT_BSP_PA_IT_R0156 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HCMT_BSP_PA_IT_R0156 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 HCMT_BSP_PA_IT_R0156. 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 HCMT_BSP_PA_IT_R0156 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_HCMT_BSP_PA_IT_R0156 TYPE STANDARD TABLE OF HCMT_BSP_PA_IT_R0156,
      WA_HCMT_BSP_PA_IT_R0156 TYPE HCMT_BSP_PA_IT_R0156,
      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: <HCMT_BSP_PA_IT_R0156> TYPE HCMT_BSP_PA_IT_R0156.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HCMT_BSP_PA_IT_R0156.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HCMT_BSP_PA_IT_R0156
  INTO TABLE IT_HCMT_BSP_PA_IT_R0156.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMT_BSP_PA_IT_R0156
*  INTO TABLE @DATA(IT_HCMT_BSP_PA_IT_R01562).
*--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_HCMT_BSP_PA_IT_R0156 INDEX 1 INTO DATA(WA_HCMT_BSP_PA_IT_R01562).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HCMT_BSP_PA_IT_R0156 ASSIGNING <HCMT_BSP_PA_IT_R0156>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMT_BSP_PA_IT_R0156>-OBJECT_KEY = 1.
<HCMT_BSP_PA_IT_R0156>-PERNR = 1.
<HCMT_BSP_PA_IT_R0156>-AEDTM = 1.
<HCMT_BSP_PA_IT_R0156>-UNAME = 1.
<HCMT_BSP_PA_IT_R0156>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_HCMT_BSP_PA_IT_R0156 INTO WA_HCMT_BSP_PA_IT_R0156.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMT_BSP_PA_IT_R0156-SPRTX, sy-vline,
  WA_HCMT_BSP_PA_IT_R0156-ITBLD, sy-vline,
  WA_HCMT_BSP_PA_IT_R0156-ITXEX, sy-vline,
  WA_HCMT_BSP_PA_IT_R0156-BEGDA, sy-vline,
  WA_HCMT_BSP_PA_IT_R0156-ENDDA, sy-vline,
  WA_HCMT_BSP_PA_IT_R0156-CDCOI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMT_BSP_PA_IT_R0156 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_HCMT_BSP_PA_IT_R0156 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_HCMT_BSP_PA_IT_R0156 INTO WA_HCMT_BSP_PA_IT_R0156.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_HCMT_BSP_PA_IT_R0156_STR, 
OBJECT_KEY TYPE STRING,
PERNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
SPRPS TYPE STRING,
SPRTX TYPE STRING,
ITBLD TYPE STRING,
ITXEX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
CDCOI TYPE STRING,
TXCON TYPE STRING,
CDDTR TYPE STRING,
TXDTR TYPE STRING,
CDALT TYPE STRING,
TXALT TYPE STRING,
REGIO TYPE STRING,
TXREG TYPE STRING,
CDTRE TYPE STRING,
TXTRE TYPE STRING,
PROVI TYPE STRING,
BEZEI TYPE STRING,
CDTPR TYPE STRING,
TXTPR TYPE STRING,
MUNIC TYPE STRING,
TXMUN TYPE STRING,
CDTMU TYPE STRING,
TXTMU TYPE STRING,
CDEDU TYPE STRING,
TPASI TYPE STRING,
APAIM TYPE STRING,
DTMIN TYPE STRING,
FDMIN TYPE STRING,
RDTSS TYPE STRING,
UDEFA TYPE STRING,
RRCF TYPE STRING,
MERGED_COMUNE TYPE STRING,
DIFF_TAX_MERGED_COMUNE TYPE STRING,
MERGED_COMUNE_TEXT TYPE STRING,
BBOPT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMT_BSP_PA_IT_R0156_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_HCMT_BSP_PA_IT_R0156_STR-OBJECT_KEY sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-PERNR sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-AEDTM sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-UNAME sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-SPRPS sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-SPRTX sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-ITBLD sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-ITXEX sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-BEGDA sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-ENDDA sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-CDCOI sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-TXCON sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-CDDTR sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-TXDTR sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-CDALT sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-TXALT sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-REGIO sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-TXREG sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-CDTRE sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-TXTRE sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-PROVI sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-BEZEI sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-CDTPR sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-TXTPR sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-MUNIC sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-TXMUN sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-CDTMU sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-TXTMU sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-CDEDU sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-TPASI sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-APAIM sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-DTMIN sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-FDMIN sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-RDTSS sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-UDEFA sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-RRCF sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-MERGED_COMUNE sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-DIFF_TAX_MERGED_COMUNE sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-MERGED_COMUNE_TEXT sy-vline 
WA_HCMT_BSP_PA_IT_R0156_STR-BBOPT sy-vline      INTO ld_text SEPARATED BY SPACE.

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