ABAP Select data from SAP table ALM_ME_CUST_EQUI_TYPE_DETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ALM_ME_CUST_EQUI_TYPE_DETAIL
*  INTO TABLE @DATA(IT_ALM_ME_CUST_EQUI_TYPE_DETAIL2).
*--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_ALM_ME_CUST_EQUI_TYPE_DETAIL INDEX 1 INTO DATA(WA_ALM_ME_CUST_EQUI_TYPE_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ALM_ME_CUST_EQUI_TYPE_DETAIL>-EQTYP = 1.
<ALM_ME_CUST_EQUI_TYPE_DETAIL>-TYPTX = 1.
<ALM_ME_CUST_EQUI_TYPE_DETAIL>-REFTP = 1.
<ALM_ME_CUST_EQUI_TYPE_DETAIL>-NUMKI = 1.
<ALM_ME_CUST_EQUI_TYPE_DETAIL>-NUMKE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-ZEIIN, sy-vline,
  WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-TPEIN, sy-vline,
  WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-MSTKZ, sy-vline,
  WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-AEBKZ, sy-vline,
  WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-PUEMA, sy-vline,
  WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-STADY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ALM_ME_CUST_EQUI_TYPE_DETAIL 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_ALM_ME_CUST_EQUI_TYPE_DETAIL 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_ALM_ME_CUST_EQUI_TYPE_DETAIL INTO WA_ALM_ME_CUST_EQUI_TYPE_DETAIL.


*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 PARVW, internal->external for field PARK1
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-PARK1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-PARK1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARK2
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-PARK2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-PARK2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARK3
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-PARK3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-PARK3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARK4
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-PARK4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-PARK4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARK5
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-PARK5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-PARK5.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TMPLA, internal->external for field TSEGTP
CALL FUNCTION 'CONVERSION_EXIT_TMPLA_OUTPUT'
  EXPORTING
    input =                      WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-TSEGTP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALM_ME_CUST_EQUI_TYPE_DETAIL-TSEGTP.
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_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR, 
EQTYP TYPE STRING,
TYPTX TYPE STRING,
REFTP TYPE STRING,
NUMKI TYPE STRING,
NUMKE TYPE STRING,
ZEIIN TYPE STRING,
TPEIN TYPE STRING,
MSTKZ TYPE STRING,
AEBKZ TYPE STRING,
PUEMA TYPE STRING,
STADY TYPE STRING,
STSMA TYPE STRING,
SDEQT TYPE STRING,
PARGR TYPE STRING,
PARK1 TYPE STRING,
PARK2 TYPE STRING,
PARK3 TYPE STRING,
PARK4 TYPE STRING,
PARK5 TYPE STRING,
INFOW TYPE STRING,
AMKNZ TYPE STRING,
WFKNZ TYPE STRING,
PASYN TYPE STRING,
KZKSD TYPE STRING,
KONFKNZ TYPE STRING,
SDKNZ TYPE STRING,
FHMKZ TYPE STRING,
ELSE_KNZ TYPE STRING,
ISU_KNZ TYPE STRING,
TSEGTP TYPE STRING,
VIEW_PROF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_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_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-EQTYP sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-TYPTX sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-REFTP sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-NUMKI sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-NUMKE sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-ZEIIN sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-TPEIN sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-MSTKZ sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-AEBKZ sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-PUEMA sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-STADY sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-STSMA sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-SDEQT sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-PARGR sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-PARK1 sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-PARK2 sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-PARK3 sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-PARK4 sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-PARK5 sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-INFOW sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-AMKNZ sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-WFKNZ sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-PASYN sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-KZKSD sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-KONFKNZ sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-SDKNZ sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-FHMKZ sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-ELSE_KNZ sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-ISU_KNZ sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-TSEGTP sy-vline 
WA_ALM_ME_CUST_EQUI_TYPE_DETAIL_STR-VIEW_PROF sy-vline      INTO ld_text SEPARATED BY SPACE.

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