ABAP Select data from SAP table MPE_C_TTU_OPACTY_EQUIP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MPE_C_TTU_OPACTY_EQUIP
*  INTO TABLE @DATA(IT_MPE_C_TTU_OPACTY_EQUIP2).
*--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_MPE_C_TTU_OPACTY_EQUIP INDEX 1 INTO DATA(WA_MPE_C_TTU_OPACTY_EQUIP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MPE_C_TTU_OPACTY_EQUIP>-EQUIPMENT = 1.
<MPE_C_TTU_OPACTY_EQUIP>-MATERIAL = 1.
<MPE_C_TTU_OPACTY_EQUIP>-ORDERINTERNALID = 1.
<MPE_C_TTU_OPACTY_EQUIP>-ORDEROPERATIONINTERNALID = 1.
<MPE_C_TTU_OPACTY_EQUIP>-OPACTYNTWKINSTANCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MPE_C_TTU_OPACTY_EQUIP-OPACTYNTWKELEMENT, sy-vline,
  WA_MPE_C_TTU_OPACTY_EQUIP-ORDERID, sy-vline,
  WA_MPE_C_TTU_OPACTY_EQUIP-OPERATION, sy-vline,
  WA_MPE_C_TTU_OPACTY_EQUIP-OPERATIONTEXT, sy-vline,
  WA_MPE_C_TTU_OPACTY_EQUIP-OPACTYNTWKELEMENTEXTERNALID, sy-vline,
  WA_MPE_C_TTU_OPACTY_EQUIP-STATUSANDACTIONSCHEMASTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MPE_C_TTU_OPACTY_EQUIP 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_MPE_C_TTU_OPACTY_EQUIP 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_MPE_C_TTU_OPACTY_EQUIP INTO WA_MPE_C_TTU_OPACTY_EQUIP.


*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 EQUIPMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MPE_C_TTU_OPACTY_EQUIP-EQUIPMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_C_TTU_OPACTY_EQUIP-EQUIPMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MPE_C_TTU_OPACTY_EQUIP-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_C_TTU_OPACTY_EQUIP-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit NUMCV, internal->external for field OPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_MPE_C_TTU_OPACTY_EQUIP-OPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_C_TTU_OPACTY_EQUIP-OPERATION.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GERNR, internal->external for field SERIALNUMBER
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_MPE_C_TTU_OPACTY_EQUIP-SERIALNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_C_TTU_OPACTY_EQUIP-SERIALNUMBER.
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_MPE_C_TTU_OPACTY_EQUIP_STR, 
EQUIPMENT TYPE STRING,
MATERIAL TYPE STRING,
ORDERINTERNALID TYPE STRING,
ORDEROPERATIONINTERNALID TYPE STRING,
OPACTYNTWKINSTANCE TYPE STRING,
OPACTYNTWKELEMENT TYPE STRING,
ORDERID TYPE STRING,
OPERATION TYPE STRING,
OPERATIONTEXT TYPE STRING,
OPACTYNTWKELEMENTEXTERNALID TYPE STRING,
STATUSANDACTIONSCHEMASTATUS TYPE STRING,
OPERATIONACTIVITYNAME TYPE STRING,
EQUIPMENTNAME TYPE STRING,
SASSTATUSCATEGORY TYPE STRING,
SASSTATUSNAME TYPE STRING,
WORKCENTER TYPE STRING,
WORKCENTERTEXT TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
PLANT TYPE STRING,
SERIALNUMBER TYPE STRING,
PRODUCTIONHOLD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MPE_C_TTU_OPACTY_EQUIP_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_MPE_C_TTU_OPACTY_EQUIP_STR-EQUIPMENT sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-MATERIAL sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-ORDERINTERNALID sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-ORDEROPERATIONINTERNALID sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-OPACTYNTWKINSTANCE sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-OPACTYNTWKELEMENT sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-ORDERID sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-OPERATION sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-OPERATIONTEXT sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-OPACTYNTWKELEMENTEXTERNALID sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-STATUSANDACTIONSCHEMASTATUS sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-OPERATIONACTIVITYNAME sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-EQUIPMENTNAME sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-SASSTATUSCATEGORY sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-SASSTATUSNAME sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-WORKCENTER sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-WORKCENTERTEXT sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-WORKCENTERINTERNALID sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-PLANT sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-SERIALNUMBER sy-vline 
WA_MPE_C_TTU_OPACTY_EQUIP_STR-PRODUCTIONHOLD sy-vline      INTO ld_text SEPARATED BY SPACE.

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