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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/PE_S_LANE_TRPE
*  INTO TABLE @DATA(IT_/SAPAPO/PE_S_LANE_TRPE2).
*--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/PE_S_LANE_TRPE INDEX 1 INTO DATA(WA_/SAPAPO/PE_S_LANE_TRPE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/PE_S_LANE_TRPE>-LOCFR = 1.
</SAPAPO/PE_S_LANE_TRPE>-LOCTO = 1.
</SAPAPO/PE_S_LANE_TRPE>-TRPID = 1.
</SAPAPO/PE_S_LANE_TRPE>-MDL = 1.
</SAPAPO/PE_S_LANE_TRPE>-METHOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/PE_S_LANE_TRPE-FIELDS, sy-vline,
  WA_/SAPAPO/PE_S_LANE_TRPE-PLN_HRZN, sy-vline,
  WA_/SAPAPO/PE_S_LANE_TRPE-CTP_HRZN, sy-vline,
  WA_/SAPAPO/PE_S_LANE_TRPE-FDR_HRZN, sy-vline,
  WA_/SAPAPO/PE_S_LANE_TRPE-FOH_HRZN, sy-vline,
  WA_/SAPAPO/PE_S_LANE_TRPE-MANF_DURA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/PE_S_LANE_TRPE 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/PE_S_LANE_TRPE 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/PE_S_LANE_TRPE INTO WA_/SAPAPO/PE_S_LANE_TRPE.


*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 TSTRN, internal->external for field MANF_DURA
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PE_S_LANE_TRPE-MANF_DURA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PE_S_LANE_TRPE-MANF_DURA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field TDD_LT_PULL
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PE_S_LANE_TRPE-TDD_LT_PULL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PE_S_LANE_TRPE-TDD_LT_PULL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field TDD_LT_PUSH
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PE_S_LANE_TRPE-TDD_LT_PUSH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PE_S_LANE_TRPE-TDD_LT_PUSH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field CMP_LT
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PE_S_LANE_TRPE-CMP_LT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PE_S_LANE_TRPE-CMP_LT.
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/PE_S_LANE_TRPE_STR, 
LOCFR TYPE STRING,
LOCTO TYPE STRING,
TRPID TYPE STRING,
MDL TYPE STRING,
METHOD TYPE STRING,
FIELDS TYPE STRING,
PLN_HRZN TYPE STRING,
CTP_HRZN TYPE STRING,
FDR_HRZN TYPE STRING,
FOH_HRZN TYPE STRING,
MANF_DURA TYPE STRING,
TDD_CMP_LT_TRG TYPE STRING,
TDD_LT_PULL TYPE STRING,
TDD_LT_PUSH TYPE STRING,
CMP_LT TYPE STRING,
SSD_PRF_ID TYPE STRING,
SYNC_CAL_GR TYPE STRING,
DYN_FREEZE_HOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/PE_S_LANE_TRPE_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/PE_S_LANE_TRPE_STR-LOCFR sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-LOCTO sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-TRPID sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-MDL sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-METHOD sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-FIELDS sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-PLN_HRZN sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-CTP_HRZN sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-FDR_HRZN sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-FOH_HRZN sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-MANF_DURA sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-TDD_CMP_LT_TRG sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-TDD_LT_PULL sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-TDD_LT_PUSH sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-CMP_LT sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-SSD_PRF_ID sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-SYNC_CAL_GR sy-vline 
WA_/SAPAPO/PE_S_LANE_TRPE_STR-DYN_FREEZE_HOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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