ABAP Select data from SAP table FRMLS_IOT_ADD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FRMLS_IOT_ADD
*  INTO TABLE @DATA(IT_FRMLS_IOT_ADD2).
*--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_FRMLS_IOT_ADD INDEX 1 INTO DATA(WA_FRMLS_IOT_ADD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FRMLS_IOT_ADD>-MASS_QTY = 1.
<FRMLS_IOT_ADD>-MASS_ERR_FLG = 1.
<FRMLS_IOT_ADD>-VOL_QTY = 1.
<FRMLS_IOT_ADD>-VOL_ERR_FLG = 1.
<FRMLS_IOT_ADD>-VOL_QTY_OVR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FRMLS_IOT_ADD-VOL_OVR_ERR_FLG, sy-vline,
  WA_FRMLS_IOT_ADD-TS_QTY, sy-vline,
  WA_FRMLS_IOT_ADD-TS_ERR_FLG, sy-vline,
  WA_FRMLS_IOT_ADD-TS_UNIT, sy-vline,
  WA_FRMLS_IOT_ADD-MASS_%, sy-vline,
  WA_FRMLS_IOT_ADD-VOL_%, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FRMLS_IOT_ADD 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_FRMLS_IOT_ADD 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_FRMLS_IOT_ADD INTO WA_FRMLS_IOT_ADD.


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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field PACKAGE_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FRMLS_IOT_ADD-PACKAGE_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FRMLS_IOT_ADD-PACKAGE_UNIT.
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_FRMLS_IOT_ADD_STR, 
MASS_QTY TYPE STRING,
MASS_ERR_FLG TYPE STRING,
VOL_QTY TYPE STRING,
VOL_ERR_FLG TYPE STRING,
VOL_QTY_OVR TYPE STRING,
VOL_OVR_ERR_FLG TYPE STRING,
TS_QTY TYPE STRING,
TS_ERR_FLG TYPE STRING,
TS_UNIT TYPE STRING,
MASS_% TYPE STRING,
VOL_% TYPE STRING,
VOL_%_OVR TYPE STRING,
TS_%_SPEC TYPE STRING,
TS_%_MASS_QTY TYPE STRING,
TS_%_TS_QTY TYPE STRING,
PIECE_QTY TYPE STRING,
FLG_IS_OUT TYPE STRING,
DENSITY_QTY TYPE STRING,
DENSITY_UNIT TYPE STRING,
DENSITY_QTY_OVR TYPE STRING,
DENSITY_UNIT_OVR TYPE STRING,
DENSITY_UNIT_STEXT_OVR TYPE STRING,
PIECE_CF_QTY TYPE STRING,
PIECE_CF_UNIT TYPE STRING,
SUBRECN_CALC TYPE STRING,
DENSITY_UNIT_STEXT TYPE STRING,
RECONST_RATE TYPE STRING,
RECONST_RATE_UNIT TYPE STRING,
MASS_QTY_FLT TYPE STRING,
VOL_QTY_FLT TYPE STRING,
VOL_QTY_OVR_FLT TYPE STRING,
TS_QTY_FLT TYPE STRING,
MASS_%_FLT TYPE STRING,
VOL_%_FLT TYPE STRING,
VOL_%_OVR_FLT TYPE STRING,
TS_%_SPEC_FLT TYPE STRING,
TS_%_MASS_QTY_FLT TYPE STRING,
TS_%_TS_QTY_FLT TYPE STRING,
PIECE_QTY_FLT TYPE STRING,
DENSITY_QTY_FLT TYPE STRING,
DENSITY_QTY_OVR_FLT TYPE STRING,
PIECE_CF_QTY_FLT TYPE STRING,
RECONST_RATE_FLT TYPE STRING,
PACKAGE_UNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FRMLS_IOT_ADD_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_FRMLS_IOT_ADD_STR-MASS_QTY sy-vline 
WA_FRMLS_IOT_ADD_STR-MASS_ERR_FLG sy-vline 
WA_FRMLS_IOT_ADD_STR-VOL_QTY sy-vline 
WA_FRMLS_IOT_ADD_STR-VOL_ERR_FLG sy-vline 
WA_FRMLS_IOT_ADD_STR-VOL_QTY_OVR sy-vline 
WA_FRMLS_IOT_ADD_STR-VOL_OVR_ERR_FLG sy-vline 
WA_FRMLS_IOT_ADD_STR-TS_QTY sy-vline 
WA_FRMLS_IOT_ADD_STR-TS_ERR_FLG sy-vline 
WA_FRMLS_IOT_ADD_STR-TS_UNIT sy-vline 
WA_FRMLS_IOT_ADD_STR-MASS_% sy-vline 
WA_FRMLS_IOT_ADD_STR-VOL_% sy-vline 
WA_FRMLS_IOT_ADD_STR-VOL_%_OVR sy-vline 
WA_FRMLS_IOT_ADD_STR-TS_%_SPEC sy-vline 
WA_FRMLS_IOT_ADD_STR-TS_%_MASS_QTY sy-vline 
WA_FRMLS_IOT_ADD_STR-TS_%_TS_QTY sy-vline 
WA_FRMLS_IOT_ADD_STR-PIECE_QTY sy-vline 
WA_FRMLS_IOT_ADD_STR-FLG_IS_OUT sy-vline 
WA_FRMLS_IOT_ADD_STR-DENSITY_QTY sy-vline 
WA_FRMLS_IOT_ADD_STR-DENSITY_UNIT sy-vline 
WA_FRMLS_IOT_ADD_STR-DENSITY_QTY_OVR sy-vline 
WA_FRMLS_IOT_ADD_STR-DENSITY_UNIT_OVR sy-vline 
WA_FRMLS_IOT_ADD_STR-DENSITY_UNIT_STEXT_OVR sy-vline 
WA_FRMLS_IOT_ADD_STR-PIECE_CF_QTY sy-vline 
WA_FRMLS_IOT_ADD_STR-PIECE_CF_UNIT sy-vline 
WA_FRMLS_IOT_ADD_STR-SUBRECN_CALC sy-vline 
WA_FRMLS_IOT_ADD_STR-DENSITY_UNIT_STEXT sy-vline 
WA_FRMLS_IOT_ADD_STR-RECONST_RATE sy-vline 
WA_FRMLS_IOT_ADD_STR-RECONST_RATE_UNIT sy-vline 
WA_FRMLS_IOT_ADD_STR-MASS_QTY_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-VOL_QTY_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-VOL_QTY_OVR_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-TS_QTY_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-MASS_%_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-VOL_%_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-VOL_%_OVR_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-TS_%_SPEC_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-TS_%_MASS_QTY_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-TS_%_TS_QTY_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-PIECE_QTY_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-DENSITY_QTY_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-DENSITY_QTY_OVR_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-PIECE_CF_QTY_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-RECONST_RATE_FLT sy-vline 
WA_FRMLS_IOT_ADD_STR-PACKAGE_UNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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