ABAP Select data from SAP table /SAPAPO/CURTO_RPM_POSVARS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/CURTO_RPM_POSVARS
*  INTO TABLE @DATA(IT_/SAPAPO/CURTO_RPM_POSVARS2).
*--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_/SAPAPO/CURTO_RPM_POSVARS INDEX 1 INTO DATA(WA_/SAPAPO/CURTO_RPM_POSVARS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/CURTO_RPM_POSVARS>-ROW_ID = 1.
</SAPAPO/CURTO_RPM_POSVARS>-KIND_OF_ENTRY = 1.
</SAPAPO/CURTO_RPM_POSVARS>-PVGUID = 1.
</SAPAPO/CURTO_RPM_POSVARS>-BOMID = 1.
</SAPAPO/CURTO_RPM_POSVARS>-MATID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/CURTO_RPM_POSVARS-POS_NO, sy-vline,
  WA_/SAPAPO/CURTO_RPM_POSVARS-PARENT_POS_NO, sy-vline,
  WA_/SAPAPO/CURTO_RPM_POSVARS-NUM_COLORED_PV, sy-vline,
  WA_/SAPAPO/CURTO_RPM_POSVARS-IS_PHANTOM, sy-vline,
  WA_/SAPAPO/CURTO_RPM_POSVARS-PEG_IRRELEVANT, sy-vline,
  WA_/SAPAPO/CURTO_RPM_POSVARS-BOM_LEVEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/CURTO_RPM_POSVARS 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_/SAPAPO/CURTO_RPM_POSVARS 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_/SAPAPO/CURTO_RPM_POSVARS INTO WA_/SAPAPO/CURTO_RPM_POSVARS.


*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 PRDID, internal->external for field MATID
CALL FUNCTION 'CONVERSION_EXIT_PRDID_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CURTO_RPM_POSVARS-MATID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CURTO_RPM_POSVARS-MATID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSTPS, internal->external for field DATE_FROM
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CURTO_RPM_POSVARS-DATE_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CURTO_RPM_POSVARS-DATE_FROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field DATE_TO
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CURTO_RPM_POSVARS-DATE_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CURTO_RPM_POSVARS-DATE_TO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KMPME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CURTO_RPM_POSVARS-KMPME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CURTO_RPM_POSVARS-KMPME.
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_/SAPAPO/CURTO_RPM_POSVARS_STR, 
ROW_ID TYPE STRING,
KIND_OF_ENTRY TYPE STRING,
PVGUID TYPE STRING,
BOMID TYPE STRING,
MATID TYPE STRING,
POS_NO TYPE STRING,
PARENT_POS_NO TYPE STRING,
NUM_COLORED_PV TYPE STRING,
IS_PHANTOM TYPE STRING,
PEG_IRRELEVANT TYPE STRING,
BOM_LEVEL TYPE STRING,
AENNR TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
ROWID_PNGUID TYPE STRING,
EVAL_SEQUENCE TYPE STRING,
EVAL_SEQ_ACTIVE TYPE STRING,
TIMESEQ TYPE STRING,
SCHED_MODE TYPE STRING,
PNGUID TYPE STRING,
OTYPE TYPE STRING,
HL_FLAG TYPE STRING,
FLG_MAND_PART TYPE STRING,
COLNODE TYPE STRING,
CCODE TYPE STRING,
FLG_STD_PRT TYPE STRING,
KNOBJ TYPE STRING,
KMPMG TYPE STRING,
KMPME TYPE STRING,
EXPLDATE_FINDER TYPE STRING,
REP_POINT_TYPE TYPE STRING,
REQ_RELEVANT TYPE STRING,
CUSDATA TYPE STRING,
PV_SUB1_RTO_TAB TYPE STRING,
VSP_RTO_TAB TYPE STRING,
PARENT_RTO_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/CURTO_RPM_POSVARS_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_/SAPAPO/CURTO_RPM_POSVARS_STR-ROW_ID sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-KIND_OF_ENTRY sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-PVGUID sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-BOMID sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-MATID sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-POS_NO sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-PARENT_POS_NO sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-NUM_COLORED_PV sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-IS_PHANTOM sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-PEG_IRRELEVANT sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-BOM_LEVEL sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-AENNR sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-DATE_FROM sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-DATE_TO sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-ROWID_PNGUID sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-EVAL_SEQUENCE sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-EVAL_SEQ_ACTIVE sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-TIMESEQ sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-SCHED_MODE sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-PNGUID sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-OTYPE sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-HL_FLAG sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-FLG_MAND_PART sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-COLNODE sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-CCODE sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-FLG_STD_PRT sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-KNOBJ sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-KMPMG sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-KMPME sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-EXPLDATE_FINDER sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-REP_POINT_TYPE sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-REQ_RELEVANT sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-CUSDATA sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-PV_SUB1_RTO_TAB sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-VSP_RTO_TAB sy-vline 
WA_/SAPAPO/CURTO_RPM_POSVARS_STR-PARENT_RTO_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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