ABAP Select data from SAP table WPOS_SALES_TRANSACTION_ACC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WPOS_SALES_TRANSACTION_ACC
*  INTO TABLE @DATA(IT_WPOS_SALES_TRANSACTION_ACC2).
*--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_WPOS_SALES_TRANSACTION_ACC INDEX 1 INTO DATA(WA_WPOS_SALES_TRANSACTION_ACC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WPOS_SALES_TRANSACTION_ACC>-MANDT = 1.
<WPOS_SALES_TRANSACTION_ACC>-AWTYP = 1.
<WPOS_SALES_TRANSACTION_ACC>-AWREF = 1.
<WPOS_SALES_TRANSACTION_ACC>-AWORG = 1.
<WPOS_SALES_TRANSACTION_ACC>-AWSYS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WPOS_SALES_TRANSACTION_ACC-GLVOR, sy-vline,
  WA_WPOS_SALES_TRANSACTION_ACC-PROCESS, sy-vline,
  WA_WPOS_SALES_TRANSACTION_ACC-SUBSET, sy-vline,
  WA_WPOS_SALES_TRANSACTION_ACC-USNAM, sy-vline,
  WA_WPOS_SALES_TRANSACTION_ACC-TCODE, sy-vline,
  WA_WPOS_SALES_TRANSACTION_ACC-CPUDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WPOS_SALES_TRANSACTION_ACC 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_WPOS_SALES_TRANSACTION_ACC 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_WPOS_SALES_TRANSACTION_ACC INTO WA_WPOS_SALES_TRANSACTION_ACC.


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

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

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

*Conversion exit ALPHA, internal->external for field GLO_BP1_HD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WPOS_SALES_TRANSACTION_ACC-GLO_BP1_HD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WPOS_SALES_TRANSACTION_ACC-GLO_BP1_HD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GLO_BP2_HD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WPOS_SALES_TRANSACTION_ACC-GLO_BP2_HD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WPOS_SALES_TRANSACTION_ACC-GLO_BP2_HD.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field PROPMANO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WPOS_SALES_TRANSACTION_ACC-PROPMANO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WPOS_SALES_TRANSACTION_ACC-PROPMANO.
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_WPOS_SALES_TRANSACTION_ACC_STR, 
MANDT TYPE STRING,
AWTYP TYPE STRING,
AWREF TYPE STRING,
AWORG TYPE STRING,
AWSYS TYPE STRING,
GLVOR TYPE STRING,
PROCESS TYPE STRING,
SUBSET TYPE STRING,
USNAM TYPE STRING,
TCODE TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
BKTXT TYPE STRING,
DOCID TYPE STRING,
BARCD TYPE STRING,
KNUMV TYPE STRING,
STATUS_NEW TYPE STRING,
STATUS_OLD TYPE STRING,
GRPID TYPE STRING,
ACC_PRINCIPLE TYPE STRING,
RLDNR TYPE STRING,
LDGRP TYPE STRING,
NOSPLIT TYPE STRING,
GLPROCESS TYPE STRING,
GLPROCVAR TYPE STRING,
CASH_ALLOC TYPE STRING,
ALE_TRANSFER_TYPE TYPE STRING,
XMCA TYPE STRING,
XSECONDARY TYPE STRING,
TRR_PARTIAL_IND TYPE STRING,
OIM_BALANCED TYPE STRING,
GLO_REF1_HD TYPE STRING,
GLO_DAT1_HD TYPE STRING,
GLO_REF2_HD TYPE STRING,
GLO_DAT2_HD TYPE STRING,
GLO_REF3_HD TYPE STRING,
GLO_DAT3_HD TYPE STRING,
GLO_REF4_HD TYPE STRING,
GLO_DAT4_HD TYPE STRING,
GLO_REF5_HD TYPE STRING,
GLO_DAT5_HD TYPE STRING,
GLO_BP1_HD TYPE STRING,
GLO_BP2_HD TYPE STRING,
EV_POSTNG_CTRL TYPE STRING,
EXCLUDE_FLAG TYPE STRING,
PSOTY TYPE STRING,
PSOAK TYPE STRING,
PSOKS TYPE STRING,
PSOSG TYPE STRING,
PSOFN TYPE STRING,
INTFORM TYPE STRING,
INTDATE TYPE STRING,
PSOBT TYPE STRING,
PSOZL TYPE STRING,
PSODT TYPE STRING,
PSOTM TYPE STRING,
DBBLG TYPE STRING,
RESUBMISSION TYPE STRING,
PROPMANO TYPE STRING,
PYBASTYP TYPE STRING,
PYBASNO TYPE STRING,
PYBASDAT TYPE STRING,
PYIBAN TYPE STRING,
INWARDNO_HD TYPE STRING,
INWARDDT_HD TYPE STRING,
ACCIT TYPE STRING,
ACCCR TYPE STRING,
CUST_ORDER_REFERENCE_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WPOS_SALES_TRANSACTION_ACC_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_WPOS_SALES_TRANSACTION_ACC_STR-MANDT sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-AWTYP sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-AWREF sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-AWORG sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-AWSYS sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLVOR sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PROCESS sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-SUBSET sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-USNAM sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-TCODE sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-CPUDT sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-CPUTM sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-BKTXT sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-DOCID sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-BARCD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-KNUMV sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-STATUS_NEW sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-STATUS_OLD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GRPID sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-ACC_PRINCIPLE sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-RLDNR sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-LDGRP sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-NOSPLIT sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLPROCESS sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLPROCVAR sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-CASH_ALLOC sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-ALE_TRANSFER_TYPE sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-XMCA sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-XSECONDARY sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-TRR_PARTIAL_IND sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-OIM_BALANCED sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_REF1_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_DAT1_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_REF2_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_DAT2_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_REF3_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_DAT3_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_REF4_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_DAT4_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_REF5_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_DAT5_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_BP1_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-GLO_BP2_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-EV_POSTNG_CTRL sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-EXCLUDE_FLAG sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PSOTY sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PSOAK sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PSOKS sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PSOSG sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PSOFN sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-INTFORM sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-INTDATE sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PSOBT sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PSOZL sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PSODT sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PSOTM sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-DBBLG sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-RESUBMISSION sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PROPMANO sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PYBASTYP sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PYBASNO sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PYBASDAT sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-PYIBAN sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-INWARDNO_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-INWARDDT_HD sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-ACCIT sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-ACCCR sy-vline 
WA_WPOS_SALES_TRANSACTION_ACC_STR-CUST_ORDER_REFERENCE_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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