ABAP Select data from SAP table PYC_S_MON_STEP_INST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PYC_S_MON_STEP_INST
*  INTO TABLE @DATA(IT_PYC_S_MON_STEP_INST2).
*--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_PYC_S_MON_STEP_INST INDEX 1 INTO DATA(WA_PYC_S_MON_STEP_INST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PYC_S_MON_STEP_INST>-PYPI_ID = 1.
<PYC_S_MON_STEP_INST>-STEP_ID = 1.
<PYC_S_MON_STEP_INST>-SUB_STS_TYPE = 1.
<PYC_S_MON_STEP_INST>-RD_TYPE = 1.
<PYC_S_MON_STEP_INST>-ROW_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PYC_S_MON_STEP_INST-POLICY_ID, sy-vline,
  WA_PYC_S_MON_STEP_INST-INSTID, sy-vline,
  WA_PYC_S_MON_STEP_INST-PAR_HASH, sy-vline,
  WA_PYC_S_MON_STEP_INST-PAR_TYPE, sy-vline,
  WA_PYC_S_MON_STEP_INST-ID, sy-vline,
  WA_PYC_S_MON_STEP_INST-UNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PYC_S_MON_STEP_INST 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_PYC_S_MON_STEP_INST 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_PYC_S_MON_STEP_INST INTO WA_PYC_S_MON_STEP_INST.


*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 CKINP, internal->external for field STEP_ID
CALL FUNCTION 'CONVERSION_EXIT_CKINP_OUTPUT'
  EXPORTING
    input =                      WA_PYC_S_MON_STEP_INST-STEP_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PYC_S_MON_STEP_INST-STEP_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CKINP, internal->external for field POLICY_ID
CALL FUNCTION 'CONVERSION_EXIT_CKINP_OUTPUT'
  EXPORTING
    input =                      WA_PYC_S_MON_STEP_INST-POLICY_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PYC_S_MON_STEP_INST-POLICY_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CKINP, internal->external for field INSTID
CALL FUNCTION 'CONVERSION_EXIT_CKINP_OUTPUT'
  EXPORTING
    input =                      WA_PYC_S_MON_STEP_INST-INSTID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PYC_S_MON_STEP_INST-INSTID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field EMAIL_ADDR
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_PYC_S_MON_STEP_INST-EMAIL_ADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PYC_S_MON_STEP_INST-EMAIL_ADDR.
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_PYC_S_MON_STEP_INST_STR, 
PYPI_ID TYPE STRING,
STEP_ID TYPE STRING,
SUB_STS_TYPE TYPE STRING,
RD_TYPE TYPE STRING,
ROW_ID TYPE STRING,
POLICY_ID TYPE STRING,
INSTID TYPE STRING,
PAR_HASH TYPE STRING,
PAR_TYPE TYPE STRING,
ID TYPE STRING,
UNAME TYPE STRING,
FORMATTED_NAME TYPE STRING,
GENDER TYPE STRING,
JOB_TITLE TYPE STRING,
TEL_NUMBER TYPE STRING,
EMAIL_ADDR TYPE STRING,
PICTURE_EXISTS TYPE STRING,
LAST_NAME TYPE STRING,
FIRST_NAME TYPE STRING,
STATUS TYPE STRING,
RESO_ERROR_COUNT TYPE STRING,
STATUS_NAME TYPE STRING,
POLICY_NAME TYPE STRING,
CHECK_NAME TYPE STRING,
DEFAULT_PROCESSOR TYPE STRING,
DEFAULT_PROCESSOR_NAME TYPE STRING,
ERROR_STATUS TYPE STRING,
RESULT_NAME TYPE STRING,
LC_DT TYPE STRING,
UNASSIGN_ERROR_COUNT TYPE STRING,
RO_EXT_ID TYPE STRING,
OPERATION_TYPE TYPE STRING,
ITEM_INDEX TYPE STRING,
TOTAL_ALERT_COUNT TYPE STRING,
SEARCH_STRING TYPE STRING,
DUMMY TYPE STRING,
REASON TYPE STRING,
REASON_TEXT TYPE STRING,
PROCESSOR_ACTIVE TYPE STRING,
NOTE_DT TYPE STRING,
FREE_TEXT TYPE STRING,
IS_ATTACHMENT TYPE STRING,
ACTION_LOG_ID TYPE STRING,
ATTACHMENT_ID TYPE STRING,
RO_PAR_TYPE_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PYC_S_MON_STEP_INST_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_PYC_S_MON_STEP_INST_STR-PYPI_ID sy-vline 
WA_PYC_S_MON_STEP_INST_STR-STEP_ID sy-vline 
WA_PYC_S_MON_STEP_INST_STR-SUB_STS_TYPE sy-vline 
WA_PYC_S_MON_STEP_INST_STR-RD_TYPE sy-vline 
WA_PYC_S_MON_STEP_INST_STR-ROW_ID sy-vline 
WA_PYC_S_MON_STEP_INST_STR-POLICY_ID sy-vline 
WA_PYC_S_MON_STEP_INST_STR-INSTID sy-vline 
WA_PYC_S_MON_STEP_INST_STR-PAR_HASH sy-vline 
WA_PYC_S_MON_STEP_INST_STR-PAR_TYPE sy-vline 
WA_PYC_S_MON_STEP_INST_STR-ID sy-vline 
WA_PYC_S_MON_STEP_INST_STR-UNAME sy-vline 
WA_PYC_S_MON_STEP_INST_STR-FORMATTED_NAME sy-vline 
WA_PYC_S_MON_STEP_INST_STR-GENDER sy-vline 
WA_PYC_S_MON_STEP_INST_STR-JOB_TITLE sy-vline 
WA_PYC_S_MON_STEP_INST_STR-TEL_NUMBER sy-vline 
WA_PYC_S_MON_STEP_INST_STR-EMAIL_ADDR sy-vline 
WA_PYC_S_MON_STEP_INST_STR-PICTURE_EXISTS sy-vline 
WA_PYC_S_MON_STEP_INST_STR-LAST_NAME sy-vline 
WA_PYC_S_MON_STEP_INST_STR-FIRST_NAME sy-vline 
WA_PYC_S_MON_STEP_INST_STR-STATUS sy-vline 
WA_PYC_S_MON_STEP_INST_STR-RESO_ERROR_COUNT sy-vline 
WA_PYC_S_MON_STEP_INST_STR-STATUS_NAME sy-vline 
WA_PYC_S_MON_STEP_INST_STR-POLICY_NAME sy-vline 
WA_PYC_S_MON_STEP_INST_STR-CHECK_NAME sy-vline 
WA_PYC_S_MON_STEP_INST_STR-DEFAULT_PROCESSOR sy-vline 
WA_PYC_S_MON_STEP_INST_STR-DEFAULT_PROCESSOR_NAME sy-vline 
WA_PYC_S_MON_STEP_INST_STR-ERROR_STATUS sy-vline 
WA_PYC_S_MON_STEP_INST_STR-RESULT_NAME sy-vline 
WA_PYC_S_MON_STEP_INST_STR-LC_DT sy-vline 
WA_PYC_S_MON_STEP_INST_STR-UNASSIGN_ERROR_COUNT sy-vline 
WA_PYC_S_MON_STEP_INST_STR-RO_EXT_ID sy-vline 
WA_PYC_S_MON_STEP_INST_STR-OPERATION_TYPE sy-vline 
WA_PYC_S_MON_STEP_INST_STR-ITEM_INDEX sy-vline 
WA_PYC_S_MON_STEP_INST_STR-TOTAL_ALERT_COUNT sy-vline 
WA_PYC_S_MON_STEP_INST_STR-SEARCH_STRING sy-vline 
WA_PYC_S_MON_STEP_INST_STR-DUMMY sy-vline 
WA_PYC_S_MON_STEP_INST_STR-REASON sy-vline 
WA_PYC_S_MON_STEP_INST_STR-REASON_TEXT sy-vline 
WA_PYC_S_MON_STEP_INST_STR-PROCESSOR_ACTIVE sy-vline 
WA_PYC_S_MON_STEP_INST_STR-NOTE_DT sy-vline 
WA_PYC_S_MON_STEP_INST_STR-FREE_TEXT sy-vline 
WA_PYC_S_MON_STEP_INST_STR-IS_ATTACHMENT sy-vline 
WA_PYC_S_MON_STEP_INST_STR-ACTION_LOG_ID sy-vline 
WA_PYC_S_MON_STEP_INST_STR-ATTACHMENT_ID sy-vline 
WA_PYC_S_MON_STEP_INST_STR-RO_PAR_TYPE_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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