ABAP Select data from SAP table MSAM10_FUNCLOC_INST_EQUIS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MSAM10_FUNCLOC_INST_EQUIS 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_FUNCLOC_INST_EQUIS. 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_FUNCLOC_INST_EQUIS 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_FUNCLOC_INST_EQUIS TYPE STANDARD TABLE OF MSAM10_FUNCLOC_INST_EQUIS,
      WA_MSAM10_FUNCLOC_INST_EQUIS TYPE MSAM10_FUNCLOC_INST_EQUIS,
      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_FUNCLOC_INST_EQUIS> TYPE MSAM10_FUNCLOC_INST_EQUIS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_MSAM10_FUNCLOC_INST_EQUIS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM MSAM10_FUNCLOC_INST_EQUIS
  INTO TABLE IT_MSAM10_FUNCLOC_INST_EQUIS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MSAM10_FUNCLOC_INST_EQUIS
*  INTO TABLE @DATA(IT_MSAM10_FUNCLOC_INST_EQUIS2).
*--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_FUNCLOC_INST_EQUIS INDEX 1 INTO DATA(WA_MSAM10_FUNCLOC_INST_EQUIS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MSAM10_FUNCLOC_INST_EQUIS ASSIGNING <MSAM10_FUNCLOC_INST_EQUIS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MSAM10_FUNCLOC_INST_EQUIS>-EQUNR = 1.
<MSAM10_FUNCLOC_INST_EQUIS>-TPLNR = 1.
<MSAM10_FUNCLOC_INST_EQUIS>-EQTYP = 1.
<MSAM10_FUNCLOC_INST_EQUIS>-EQART = 1.
<MSAM10_FUNCLOC_INST_EQUIS>-GEWEI = 1.

ENDLOOP.

LOOP AT IT_MSAM10_FUNCLOC_INST_EQUIS INTO WA_MSAM10_FUNCLOC_INST_EQUIS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MSAM10_FUNCLOC_INST_EQUIS-MATNR, sy-vline,
  WA_MSAM10_FUNCLOC_INST_EQUIS-SERNR, sy-vline,
  WA_MSAM10_FUNCLOC_INST_EQUIS-WERK, sy-vline,
  WA_MSAM10_FUNCLOC_INST_EQUIS-LAGER, sy-vline,
  WA_MSAM10_FUNCLOC_INST_EQUIS-IWERK, sy-vline,
  WA_MSAM10_FUNCLOC_INST_EQUIS-HEQUI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MSAM10_FUNCLOC_INST_EQUIS 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_FUNCLOC_INST_EQUIS 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_FUNCLOC_INST_EQUIS INTO WA_MSAM10_FUNCLOC_INST_EQUIS.


*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_FUNCLOC_INST_EQUIS-EQUNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_FUNCLOC_INST_EQUIS-EQUNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_FUNCLOC_INST_EQUIS-TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_FUNCLOC_INST_EQUIS-TPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_FUNCLOC_INST_EQUIS-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_FUNCLOC_INST_EQUIS-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_FUNCLOC_INST_EQUIS-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_FUNCLOC_INST_EQUIS-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field SERNR
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_FUNCLOC_INST_EQUIS-SERNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_FUNCLOC_INST_EQUIS-SERNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HEQUI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_FUNCLOC_INST_EQUIS-HEQUI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_FUNCLOC_INST_EQUIS-HEQUI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field TPLMA
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_FUNCLOC_INST_EQUIS-TPLMA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_FUNCLOC_INST_EQUIS-TPLMA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MSAM10_FUNCLOC_INST_EQUIS-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSAM10_FUNCLOC_INST_EQUIS-KOSTL.
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_FUNCLOC_INST_EQUIS_STR, 
EQUNR TYPE STRING,
TPLNR TYPE STRING,
EQTYP TYPE STRING,
EQART TYPE STRING,
GEWEI TYPE STRING,
MATNR TYPE STRING,
SERNR TYPE STRING,
WERK TYPE STRING,
LAGER TYPE STRING,
IWERK TYPE STRING,
HEQUI TYPE STRING,
WKCTR TYPE STRING,
SHTXT TYPE STRING,
TPLMA TYPE STRING,
IEQUI TYPE STRING,
EINZL TYPE STRING,
POSNR TYPE STRING,
SWERK TYPE STRING,
STORT TYPE STRING,
GSBER TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
BUKRS TYPE STRING,
HEQUI_SHTXT TYPE STRING,
TPLNR_SHTXT TYPE STRING,
TPLMA_SHTXT TYPE STRING,
ENHANCEMENT_FLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MSAM10_FUNCLOC_INST_EQUIS_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_FUNCLOC_INST_EQUIS_STR-EQUNR sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-TPLNR sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-EQTYP sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-EQART sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-GEWEI sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-MATNR sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-SERNR sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-WERK sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-LAGER sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-IWERK sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-HEQUI sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-WKCTR sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-SHTXT sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-TPLMA sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-IEQUI sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-EINZL sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-POSNR sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-SWERK sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-STORT sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-GSBER sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-KOKRS sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-KOSTL sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-BUKRS sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-HEQUI_SHTXT sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-TPLNR_SHTXT sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-TPLMA_SHTXT sy-vline 
WA_MSAM10_FUNCLOC_INST_EQUIS_STR-ENHANCEMENT_FLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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