ABAP Select data from SAP table /PM0/PCRP_I_PCR_MNG_PRM_RQ into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PM0/PCRP_I_PCR_MNG_PRM_RQ 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 /PM0/PCRP_I_PCR_MNG_PRM_RQ. 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 /PM0/PCRP_I_PCR_MNG_PRM_RQ 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_/PM0/PCRP_I_PCR_MNG_PRM_RQ TYPE STANDARD TABLE OF /PM0/PCRP_I_PCR_MNG_PRM_RQ,
      WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ TYPE /PM0/PCRP_I_PCR_MNG_PRM_RQ,
      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: </PM0/PCRP_I_PCR_MNG_PRM_RQ> TYPE /PM0/PCRP_I_PCR_MNG_PRM_RQ.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PM0/PCRP_I_PCR_MNG_PRM_RQ.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PM0/PCRP_I_PCR_MNG_PRM_RQ
  INTO TABLE IT_/PM0/PCRP_I_PCR_MNG_PRM_RQ.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/PCRP_I_PCR_MNG_PRM_RQ
*  INTO TABLE @DATA(IT_/PM0/PCRP_I_PCR_MNG_PRM_RQ2).
*--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_/PM0/PCRP_I_PCR_MNG_PRM_RQ INDEX 1 INTO DATA(WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PM0/PCRP_I_PCR_MNG_PRM_RQ ASSIGNING </PM0/PCRP_I_PCR_MNG_PRM_RQ>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/PCRP_I_PCR_MNG_PRM_RQ>-MESSAGE_HEADER = 1.
</PM0/PCRP_I_PCR_MNG_PRM_RQ>-ID = 1.
</PM0/PCRP_I_PCR_MNG_PRM_RQ>-SCHEME_ID = 1.
</PM0/PCRP_I_PCR_MNG_PRM_RQ>-SCHEME_AGENCY_ID = 1.
</PM0/PCRP_I_PCR_MNG_PRM_RQ>-SCHEME_AGENCY_SCHEME_AGENCY_ID = 1.

ENDLOOP.

LOOP AT IT_/PM0/PCRP_I_PCR_MNG_PRM_RQ INTO WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ-CONTENT, sy-vline,
  WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ-UUID, sy-vline,
  WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ-SCHEME_ID, sy-vline,
  WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ-SCHEME_AGENCY_ID, sy-vline,
  WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ-CONTENT, sy-vline,
  WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ-REFERENCE_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ 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_/PM0/PCRP_I_PCR_MNG_PRM_RQ 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_/PM0/PCRP_I_PCR_MNG_PRM_RQ INTO WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ.


*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 IV_POLICYNR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ-IV_POLICYNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ-IV_POLICYNR_TT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field IV_APPLNR_CD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ-IV_APPLNR_CD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ-IV_APPLNR_CD.
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_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR, 
MESSAGE_HEADER TYPE STRING,
ID TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
UUID TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
REFERENCE_ID TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
REFERENCE_UUID TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
CREATION_DATE_TIME TYPE STRING,
SENDER_BUSINESS_SYSTEM_ID TYPE STRING,
RECIPIENT_BUSINESS_SYSTEM_ID TYPE STRING,
BO TYPE STRING,
IV_POLICYNR_TT TYPE STRING,
IV_APPLNR_CD TYPE STRING,
IV_EFFECTIVE_DATE TYPE STRING,
IF_RELEASE TYPE STRING,
IF_SAVE TYPE STRING,
IF_SIMULATION TYPE STRING,
IT_MOD_BNF TYPE STRING,
IT_MOD_BNF_FM TYPE STRING,
IV_APPLIN_DT TYPE STRING,
IV_APPL_DT TYPE STRING,
IV_CHGREASON_ID TYPE STRING,
IV_OTHCHGREASON_TT TYPE STRING,
IT_EXTENSIONIN TYPE STRING,
IT_MOD_COVCP TYPE STRING,
IT_MOD_COVCP_FM TYPE STRING,
IT_MOD_COV TYPE STRING,
IT_MOD_COV_FM TYPE STRING,
IT_MOD_INDIN TYPE STRING,
IT_MOD_INDIN_FM TYPE STRING,
IT_MOD_POLPR TYPE STRING,
IT_MOD_POLPR_FM TYPE STRING,
IT_MOD_PREM TYPE STRING,
IT_MOD_PREM_FM TYPE STRING,
IT_MOD_VALID TYPE STRING,
IT_MOD_VALID_FM TYPE STRING,
IV_CHANGESTATE_ID TYPE STRING,
EXTENSIONIN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_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_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-MESSAGE_HEADER sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-SCHEME_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-CONTENT sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-UUID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-SCHEME_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-CONTENT sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-REFERENCE_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-SCHEME_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-CONTENT sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-REFERENCE_UUID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-SCHEME_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-CONTENT sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-CREATION_DATE_TIME sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-SENDER_BUSINESS_SYSTEM_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-RECIPIENT_BUSINESS_SYSTEM_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-BO sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IV_POLICYNR_TT sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IV_APPLNR_CD sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IV_EFFECTIVE_DATE sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IF_RELEASE sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IF_SAVE sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IF_SIMULATION sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_BNF sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_BNF_FM sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IV_APPLIN_DT sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IV_APPL_DT sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IV_CHGREASON_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IV_OTHCHGREASON_TT sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_EXTENSIONIN sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_COVCP sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_COVCP_FM sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_COV sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_COV_FM sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_INDIN sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_INDIN_FM sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_POLPR sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_POLPR_FM sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_PREM sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_PREM_FM sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_VALID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IT_MOD_VALID_FM sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-IV_CHANGESTATE_ID sy-vline 
WA_/PM0/PCRP_I_PCR_MNG_PRM_RQ_STR-EXTENSIONIN sy-vline      INTO ld_text SEPARATED BY SPACE.

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