ABAP Select data from SAP table ALIFLO into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ALIFLO 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 ALIFLO. 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 ALIFLO 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_ALIFLO TYPE STANDARD TABLE OF ALIFLO,
      WA_ALIFLO TYPE ALIFLO,
      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: <ALIFLO> TYPE ALIFLO.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ALIFLO
*  INTO TABLE @DATA(IT_ALIFLO2).
*--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_ALIFLO INDEX 1 INTO DATA(WA_ALIFLO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ALIFLO>-TPLNR = 1.
<ALIFLO>-MLANG = 1.
<ALIFLO>-TPLKZ = 1.
<ALIFLO>-FLTYP = 1.
<ALIFLO>-TPLMA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ALIFLO-DATAB, sy-vline,
  WA_ALIFLO-BEGRU, sy-vline,
  WA_ALIFLO-TRPNR, sy-vline,
  WA_ALIFLO-SUBMT, sy-vline,
  WA_ALIFLO-IEQUI, sy-vline,
  WA_ALIFLO-EINZL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ALIFLO 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_ALIFLO 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_ALIFLO INTO WA_ALIFLO.


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

*Conversion exit ISOLA, internal->external for field MLANG
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ALIFLO-MLANG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALIFLO-MLANG.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ALIFLO-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALIFLO-SPRAS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ABPSP, internal->external for field PROID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_ALIFLO-PROID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALIFLO-PROID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field MGANR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ALIFLO-MGANR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALIFLO-MGANR.
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_ALIFLO_STR, 
TPLNR TYPE STRING,
MLANG TYPE STRING,
TPLKZ TYPE STRING,
FLTYP TYPE STRING,
TPLMA TYPE STRING,
DATAB TYPE STRING,
BEGRU TYPE STRING,
TRPNR TYPE STRING,
SUBMT TYPE STRING,
IEQUI TYPE STRING,
EINZL TYPE STRING,
IWERK TYPE STRING,
INGRP TYPE STRING,
LGWID TYPE STRING,
RBNR TYPE STRING,
ILOAN TYPE STRING,
POSNR TYPE STRING,
ISTYP TYPE STRING,
PREMS TYPE STRING,
SPRAS TYPE STRING,
PLTXT TYPE STRING,
ABCKZ TYPE STRING,
EQFNR TYPE STRING,
SWERK TYPE STRING,
STORT TYPE STRING,
MSGRP TYPE STRING,
BEBER TYPE STRING,
PPSID TYPE STRING,
GSBER TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
PROID TYPE STRING,
BUKRS TYPE STRING,
ANLNR TYPE STRING,
ANLUN TYPE STRING,
DAUFN TYPE STRING,
AUFNR TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
PARNR TYPE STRING,
ADRNR TYPE STRING,
GWLDT TYPE STRING,
GWLEN TYPE STRING,
MGANR TYPE STRING,
GAERB TYPE STRING,
WAGET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ALIFLO_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_ALIFLO_STR-TPLNR sy-vline 
WA_ALIFLO_STR-MLANG sy-vline 
WA_ALIFLO_STR-TPLKZ sy-vline 
WA_ALIFLO_STR-FLTYP sy-vline 
WA_ALIFLO_STR-TPLMA sy-vline 
WA_ALIFLO_STR-DATAB sy-vline 
WA_ALIFLO_STR-BEGRU sy-vline 
WA_ALIFLO_STR-TRPNR sy-vline 
WA_ALIFLO_STR-SUBMT sy-vline 
WA_ALIFLO_STR-IEQUI sy-vline 
WA_ALIFLO_STR-EINZL sy-vline 
WA_ALIFLO_STR-IWERK sy-vline 
WA_ALIFLO_STR-INGRP sy-vline 
WA_ALIFLO_STR-LGWID sy-vline 
WA_ALIFLO_STR-RBNR sy-vline 
WA_ALIFLO_STR-ILOAN sy-vline 
WA_ALIFLO_STR-POSNR sy-vline 
WA_ALIFLO_STR-ISTYP sy-vline 
WA_ALIFLO_STR-PREMS sy-vline 
WA_ALIFLO_STR-SPRAS sy-vline 
WA_ALIFLO_STR-PLTXT sy-vline 
WA_ALIFLO_STR-ABCKZ sy-vline 
WA_ALIFLO_STR-EQFNR sy-vline 
WA_ALIFLO_STR-SWERK sy-vline 
WA_ALIFLO_STR-STORT sy-vline 
WA_ALIFLO_STR-MSGRP sy-vline 
WA_ALIFLO_STR-BEBER sy-vline 
WA_ALIFLO_STR-PPSID sy-vline 
WA_ALIFLO_STR-GSBER sy-vline 
WA_ALIFLO_STR-KOKRS sy-vline 
WA_ALIFLO_STR-KOSTL sy-vline 
WA_ALIFLO_STR-PROID sy-vline 
WA_ALIFLO_STR-BUKRS sy-vline 
WA_ALIFLO_STR-ANLNR sy-vline 
WA_ALIFLO_STR-ANLUN sy-vline 
WA_ALIFLO_STR-DAUFN sy-vline 
WA_ALIFLO_STR-AUFNR sy-vline 
WA_ALIFLO_STR-VKORG sy-vline 
WA_ALIFLO_STR-VTWEG sy-vline 
WA_ALIFLO_STR-SPART sy-vline 
WA_ALIFLO_STR-PARNR sy-vline 
WA_ALIFLO_STR-ADRNR sy-vline 
WA_ALIFLO_STR-GWLDT sy-vline 
WA_ALIFLO_STR-GWLEN sy-vline 
WA_ALIFLO_STR-MGANR sy-vline 
WA_ALIFLO_STR-GAERB sy-vline 
WA_ALIFLO_STR-WAGET sy-vline      INTO ld_text SEPARATED BY SPACE.

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