ABAP Select data from SAP table MSAM10_EQUIP_HEADER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MSAM10_EQUIP_HEADER 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 MSAM10_EQUIP_HEADER. 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 MSAM10_EQUIP_HEADER 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_MSAM10_EQUIP_HEADER TYPE STANDARD TABLE OF MSAM10_EQUIP_HEADER,
      WA_MSAM10_EQUIP_HEADER TYPE MSAM10_EQUIP_HEADER,
      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: <MSAM10_EQUIP_HEADER> TYPE MSAM10_EQUIP_HEADER.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_MSAM10_EQUIP_HEADER.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM MSAM10_EQUIP_HEADER
  INTO TABLE IT_MSAM10_EQUIP_HEADER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MSAM10_EQUIP_HEADER
*  INTO TABLE @DATA(IT_MSAM10_EQUIP_HEADER2).
*--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_MSAM10_EQUIP_HEADER INDEX 1 INTO DATA(WA_MSAM10_EQUIP_HEADER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MSAM10_EQUIP_HEADER ASSIGNING <MSAM10_EQUIP_HEADER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MSAM10_EQUIP_HEADER>-EQUNR = 1.
<MSAM10_EQUIP_HEADER>-TEMP_EQUI = 1.
<MSAM10_EQUIP_HEADER>-TPLNR = 1.
<MSAM10_EQUIP_HEADER>-FUNCLOC_DISP = 1.
<MSAM10_EQUIP_HEADER>-BEGRU = 1.

ENDLOOP.

LOOP AT IT_MSAM10_EQUIP_HEADER INTO WA_MSAM10_EQUIP_HEADER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MSAM10_EQUIP_HEADER-EQTYP, sy-vline,
  WA_MSAM10_EQUIP_HEADER-OBJNR, sy-vline,
  WA_MSAM10_EQUIP_HEADER-MATNR, sy-vline,
  WA_MSAM10_EQUIP_HEADER-SERNR, sy-vline,
  WA_MSAM10_EQUIP_HEADER-WERK, sy-vline,
  WA_MSAM10_EQUIP_HEADER-SUBMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MSAM10_EQUIP_HEADER 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_MSAM10_EQUIP_HEADER 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_MSAM10_EQUIP_HEADER INTO WA_MSAM10_EQUIP_HEADER.


*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 EQUNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_EQUIP_HEADER-EQUNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_EQUIP_HEADER-EQUNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TEMP_EQUI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_EQUIP_HEADER-TEMP_EQUI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_EQUIP_HEADER-TEMP_EQUI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_EQUIP_HEADER-TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_EQUIP_HEADER-TPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_EQUIP_HEADER-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_EQUIP_HEADER-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field SERNR
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_EQUIP_HEADER-SERNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_EQUIP_HEADER-SERNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field SUBMT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_EQUIP_HEADER-SUBMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_EQUIP_HEADER-SUBMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HEQUI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_EQUIP_HEADER-HEQUI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_EQUIP_HEADER-HEQUI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQUIPMENT_DISPLAY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_EQUIP_HEADER-EQUIPMENT_DISPLAY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_EQUIP_HEADER-EQUIPMENT_DISPLAY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field CONSTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_EQUIP_HEADER-CONSTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_EQUIP_HEADER-CONSTYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_EQUIP_HEADER-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_EQUIP_HEADER-GEWEI.
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_MSAM10_EQUIP_HEADER_STR, 
EQUNR TYPE STRING,
TEMP_EQUI TYPE STRING,
TPLNR TYPE STRING,
FUNCLOC_DISP TYPE STRING,
BEGRU TYPE STRING,
EQTYP TYPE STRING,
OBJNR TYPE STRING,
MATNR TYPE STRING,
SERNR TYPE STRING,
WERK TYPE STRING,
SUBMT TYPE STRING,
HEQUI TYPE STRING,
INGRP TYPE STRING,
TIDNR TYPE STRING,
RBNR TYPE STRING,
WKCTR TYPE STRING,
SHTXT TYPE STRING,
EQFNR TYPE STRING,
XA_STAT_PROF TYPE STRING,
NAME1 TYPE STRING,
HOUSE_NUM1 TYPE STRING,
STREET TYPE STRING,
POST_CODE1 TYPE STRING,
CITY1 TYPE STRING,
COUNTRY TYPE STRING,
TEL_NUMBER TYPE STRING,
ENHANCEMENT_FLAG TYPE STRING,
TOB_SORTNO TYPE STRING,
LONGITUDE TYPE STRING,
LATITUDE TYPE STRING,
ALTITUDE TYPE STRING,
SRCID TYPE STRING,
PRECISID TYPE STRING,
EQUIPMENT_DISPLAY TYPE STRING,
FUNCLOC_DISPLAY TYPE STRING,
MANFACTURE TYPE STRING,
MANCOUNTRY TYPE STRING,
MANMODEL TYPE STRING,
CONSTYEAR TYPE STRING,
CONSTMONTH TYPE STRING,
MANPARNO TYPE STRING,
MANSERNO TYPE STRING,
ABCINDIC TYPE STRING,
SORTFIELD TYPE STRING,
OBJ_WEIGHT TYPE STRING,
OBJ_SIZE TYPE STRING,
INVENTORY TYPE STRING,
START_FROM TYPE STRING,
GEWEI TYPE STRING,
CITY2 TYPE STRING,
TEMP_EQ_PROFILE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MSAM10_EQUIP_HEADER_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_MSAM10_EQUIP_HEADER_STR-EQUNR sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-TEMP_EQUI sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-TPLNR sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-FUNCLOC_DISP sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-BEGRU sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-EQTYP sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-OBJNR sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-MATNR sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-SERNR sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-WERK sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-SUBMT sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-HEQUI sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-INGRP sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-TIDNR sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-RBNR sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-WKCTR sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-SHTXT sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-EQFNR sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-XA_STAT_PROF sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-NAME1 sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-HOUSE_NUM1 sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-STREET sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-POST_CODE1 sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-CITY1 sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-COUNTRY sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-TEL_NUMBER sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-ENHANCEMENT_FLAG sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-TOB_SORTNO sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-LONGITUDE sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-LATITUDE sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-ALTITUDE sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-SRCID sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-PRECISID sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-EQUIPMENT_DISPLAY sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-FUNCLOC_DISPLAY sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-MANFACTURE sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-MANCOUNTRY sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-MANMODEL sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-CONSTYEAR sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-CONSTMONTH sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-MANPARNO sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-MANSERNO sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-ABCINDIC sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-SORTFIELD sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-OBJ_WEIGHT sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-OBJ_SIZE sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-INVENTORY sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-START_FROM sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-GEWEI sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-CITY2 sy-vline 
WA_MSAM10_EQUIP_HEADER_STR-TEMP_EQ_PROFILE sy-vline      INTO ld_text SEPARATED BY SPACE.

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