ABAP Select data from SAP table PNO_RMB_PCL_CONTEXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PNO_RMB_PCL_CONTEXT
*  INTO TABLE @DATA(IT_PNO_RMB_PCL_CONTEXT2).
*--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_PNO_RMB_PCL_CONTEXT INDEX 1 INTO DATA(WA_PNO_RMB_PCL_CONTEXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PNO_RMB_PCL_CONTEXT>-CONTAINER = 1.
<PNO_RMB_PCL_CONTEXT>-REF_DATE = 1.
<PNO_RMB_PCL_CONTEXT>-PREV_WORK_DATE = 1.
<PNO_RMB_PCL_CONTEXT>-PREV_OFF_DATE = 1.
<PNO_RMB_PCL_CONTEXT>-IS_WORK_DAY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PNO_RMB_PCL_CONTEXT-FIX_BASIS, sy-vline,
  WA_PNO_RMB_PCL_CONTEXT-VAR_BASIS, sy-vline,
  WA_PNO_RMB_PCL_CONTEXT-FIX_BASIS_NI, sy-vline,
  WA_PNO_RMB_PCL_CONTEXT-VAR_BASIS_NI, sy-vline,
  WA_PNO_RMB_PCL_CONTEXT-SICKNESS, sy-vline,
  WA_PNO_RMB_PCL_CONTEXT-LAST_PERIOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PNO_RMB_PCL_CONTEXT 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_PNO_RMB_PCL_CONTEXT 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_PNO_RMB_PCL_CONTEXT INTO WA_PNO_RMB_PCL_CONTEXT.


*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_PNO_RMB_PCL_CONTEXT_STR, 
CONTAINER TYPE STRING,
REF_DATE TYPE STRING,
PREV_WORK_DATE TYPE STRING,
PREV_OFF_DATE TYPE STRING,
IS_WORK_DAY TYPE STRING,
FIX_BASIS TYPE STRING,
VAR_BASIS TYPE STRING,
FIX_BASIS_NI TYPE STRING,
VAR_BASIS_NI TYPE STRING,
SICKNESS TYPE STRING,
LAST_PERIOD TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
TYPE TYPE STRING,
FIX_BASIS TYPE STRING,
VAR_BASIS TYPE STRING,
FIX_BASIS_NI TYPE STRING,
VAR_BASIS_NI TYPE STRING,
IS_TREATMENT TYPE STRING,
PAID_AMOUNT TYPE STRING,
PERCENTAGE TYPE STRING,
FIRST_ABS_DATE TYPE STRING,
AP_PERIODS TYPE STRING,
EST_MAXDATE TYPE STRING,
DAYS_WITHOUT_TP TYPE STRING,
FORCED_TP_COUNTDOWN TYPE STRING,
LONGLEAVE_DURATION TYPE STRING,
LONGLEAVE_ABSGR TYPE STRING,
SD_HISTORY TYPE STRING,
CHILDSICK TYPE STRING,
AP_USED TYPE STRING,
TOTAL_USED TYPE STRING,
PARENTAL TYPE STRING,
LAST_PERIOD TYPE STRING,
ORIG_START_DATE TYPE STRING,
EST_MAXDATE TYPE STRING,
TRAINING TYPE STRING,
LAST_PERIOD TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
TYPE TYPE STRING,
FIX_BASIS TYPE STRING,
VAR_BASIS TYPE STRING,
FIX_BASIS_NI TYPE STRING,
VAR_BASIS_NI TYPE STRING,
IS_TREATMENT TYPE STRING,
PAID_AMOUNT TYPE STRING,
PERCENTAGE TYPE STRING,
FIRST_ABS_DATE TYPE STRING,
NURSING TYPE STRING,
LAST_PERIOD TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
TYPE TYPE STRING,
FIX_BASIS TYPE STRING,
VAR_BASIS TYPE STRING,
FIX_BASIS_NI TYPE STRING,
VAR_BASIS_NI TYPE STRING,
IS_TREATMENT TYPE STRING,
PAID_AMOUNT TYPE STRING,
PERCENTAGE TYPE STRING,
FIRST_ABS_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PNO_RMB_PCL_CONTEXT_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_PNO_RMB_PCL_CONTEXT_STR-CONTAINER sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-REF_DATE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-PREV_WORK_DATE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-PREV_OFF_DATE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-IS_WORK_DAY sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FIX_BASIS sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-VAR_BASIS sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FIX_BASIS_NI sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-VAR_BASIS_NI sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-SICKNESS sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-LAST_PERIOD sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-BEGDA sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-ENDDA sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-TYPE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FIX_BASIS sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-VAR_BASIS sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FIX_BASIS_NI sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-VAR_BASIS_NI sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-IS_TREATMENT sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-PAID_AMOUNT sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-PERCENTAGE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FIRST_ABS_DATE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-AP_PERIODS sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-EST_MAXDATE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-DAYS_WITHOUT_TP sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FORCED_TP_COUNTDOWN sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-LONGLEAVE_DURATION sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-LONGLEAVE_ABSGR sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-SD_HISTORY sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-CHILDSICK sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-AP_USED sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-TOTAL_USED sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-PARENTAL sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-LAST_PERIOD sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-ORIG_START_DATE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-EST_MAXDATE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-TRAINING sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-LAST_PERIOD sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-BEGDA sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-ENDDA sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-TYPE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FIX_BASIS sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-VAR_BASIS sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FIX_BASIS_NI sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-VAR_BASIS_NI sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-IS_TREATMENT sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-PAID_AMOUNT sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-PERCENTAGE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FIRST_ABS_DATE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-NURSING sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-LAST_PERIOD sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-BEGDA sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-ENDDA sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-TYPE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FIX_BASIS sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-VAR_BASIS sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FIX_BASIS_NI sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-VAR_BASIS_NI sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-IS_TREATMENT sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-PAID_AMOUNT sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-PERCENTAGE sy-vline 
WA_PNO_RMB_PCL_CONTEXT_STR-FIRST_ABS_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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