ABAP Select data from SAP table T7UNPF_FI_TRANS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T7UNPF_FI_TRANS 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 T7UNPF_FI_TRANS. 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 T7UNPF_FI_TRANS 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_T7UNPF_FI_TRANS TYPE STANDARD TABLE OF T7UNPF_FI_TRANS,
      WA_T7UNPF_FI_TRANS TYPE T7UNPF_FI_TRANS,
      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: <T7UNPF_FI_TRANS> TYPE T7UNPF_FI_TRANS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T7UNPF_FI_TRANS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T7UNPF_FI_TRANS
  INTO TABLE IT_T7UNPF_FI_TRANS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T7UNPF_FI_TRANS
*  INTO TABLE @DATA(IT_T7UNPF_FI_TRANS2).
*--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_T7UNPF_FI_TRANS INDEX 1 INTO DATA(WA_T7UNPF_FI_TRANS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T7UNPF_FI_TRANS ASSIGNING <T7UNPF_FI_TRANS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T7UNPF_FI_TRANS>-MANDT = 1.
<T7UNPF_FI_TRANS>-PERNR = 1.
<T7UNPF_FI_TRANS>-OPRHD = 1.
<T7UNPF_FI_TRANS>-EFF_START_DATE = 1.
<T7UNPF_FI_TRANS>-EFF_END_DATE = 1.

ENDLOOP.

LOOP AT IT_T7UNPF_FI_TRANS INTO WA_T7UNPF_FI_TRANS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T7UNPF_FI_TRANS-TRANSTYPE, sy-vline,
  WA_T7UNPF_FI_TRANS-LWOP_CONTRI_FLAG, sy-vline,
  WA_T7UNPF_FI_TRANS-CATEGORY, sy-vline,
  WA_T7UNPF_FI_TRANS-GRADE, sy-vline,
  WA_T7UNPF_FI_TRANS-STEP, sy-vline,
  WA_T7UNPF_FI_TRANS-DUTYSTATIONCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T7UNPF_FI_TRANS 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_T7UNPF_FI_TRANS 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_T7UNPF_FI_TRANS INTO WA_T7UNPF_FI_TRANS.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_T7UNPF_FI_TRANS_STR, 
MANDT TYPE STRING,
PERNR TYPE STRING,
OPRHD TYPE STRING,
EFF_START_DATE TYPE STRING,
EFF_END_DATE TYPE STRING,
TRANSTYPE TYPE STRING,
LWOP_CONTRI_FLAG TYPE STRING,
CATEGORY TYPE STRING,
GRADE TYPE STRING,
STEP TYPE STRING,
DUTYSTATIONCODE TYPE STRING,
PARTTIMEPCT TYPE STRING,
CURRENCY_CODE TYPE STRING,
EXCHANGE_RATE TYPE STRING,
LOC_PRRATE_AMT TYPE STRING,
BAS_PRRATE_AMT TYPE STRING,
LOC_LANG_ALLOW1 TYPE STRING,
BAS_LANG_ALLOW1 TYPE STRING,
LOC_LANG_ALLOW2 TYPE STRING,
BAS_LANG_ALLOW2 TYPE STRING,
PRO_RATE_RATIO TYPE STRING,
LOC_AMT_SM TYPE STRING,
BAS_AMT_SM TYPE STRING,
LOC_AMT_ORG TYPE STRING,
BAS_AMT_ORG TYPE STRING,
LOC_AMT_SM_ADJ TYPE STRING,
BAS_AMT_SM_ADJ TYPE STRING,
LOC_AMT_ORG_ADJ TYPE STRING,
BAS_AMT_ORG_ADJ TYPE STRING,
LOC_AMT_FULL_SM TYPE STRING,
BAS_AMT_FULL_SM TYPE STRING,
LOC_AMT_FULL_ORG TYPE STRING,
BAS_AMT_FULL_ORG TYPE STRING,
REMARK TYPE STRING,
CRNAM TYPE STRING,
CRDAT TYPE STRING,
CRTIM TYPE STRING,
AENAM TYPE STRING,
AEDAT TYPE STRING,
AETIM TYPE STRING,
STATUS TYPE STRING,
EXEC_DATE TYPE STRING,
TRANSACTION_ID TYPE STRING,
TRANS_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T7UNPF_FI_TRANS_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_T7UNPF_FI_TRANS_STR-MANDT sy-vline 
WA_T7UNPF_FI_TRANS_STR-PERNR sy-vline 
WA_T7UNPF_FI_TRANS_STR-OPRHD sy-vline 
WA_T7UNPF_FI_TRANS_STR-EFF_START_DATE sy-vline 
WA_T7UNPF_FI_TRANS_STR-EFF_END_DATE sy-vline 
WA_T7UNPF_FI_TRANS_STR-TRANSTYPE sy-vline 
WA_T7UNPF_FI_TRANS_STR-LWOP_CONTRI_FLAG sy-vline 
WA_T7UNPF_FI_TRANS_STR-CATEGORY sy-vline 
WA_T7UNPF_FI_TRANS_STR-GRADE sy-vline 
WA_T7UNPF_FI_TRANS_STR-STEP sy-vline 
WA_T7UNPF_FI_TRANS_STR-DUTYSTATIONCODE sy-vline 
WA_T7UNPF_FI_TRANS_STR-PARTTIMEPCT sy-vline 
WA_T7UNPF_FI_TRANS_STR-CURRENCY_CODE sy-vline 
WA_T7UNPF_FI_TRANS_STR-EXCHANGE_RATE sy-vline 
WA_T7UNPF_FI_TRANS_STR-LOC_PRRATE_AMT sy-vline 
WA_T7UNPF_FI_TRANS_STR-BAS_PRRATE_AMT sy-vline 
WA_T7UNPF_FI_TRANS_STR-LOC_LANG_ALLOW1 sy-vline 
WA_T7UNPF_FI_TRANS_STR-BAS_LANG_ALLOW1 sy-vline 
WA_T7UNPF_FI_TRANS_STR-LOC_LANG_ALLOW2 sy-vline 
WA_T7UNPF_FI_TRANS_STR-BAS_LANG_ALLOW2 sy-vline 
WA_T7UNPF_FI_TRANS_STR-PRO_RATE_RATIO sy-vline 
WA_T7UNPF_FI_TRANS_STR-LOC_AMT_SM sy-vline 
WA_T7UNPF_FI_TRANS_STR-BAS_AMT_SM sy-vline 
WA_T7UNPF_FI_TRANS_STR-LOC_AMT_ORG sy-vline 
WA_T7UNPF_FI_TRANS_STR-BAS_AMT_ORG sy-vline 
WA_T7UNPF_FI_TRANS_STR-LOC_AMT_SM_ADJ sy-vline 
WA_T7UNPF_FI_TRANS_STR-BAS_AMT_SM_ADJ sy-vline 
WA_T7UNPF_FI_TRANS_STR-LOC_AMT_ORG_ADJ sy-vline 
WA_T7UNPF_FI_TRANS_STR-BAS_AMT_ORG_ADJ sy-vline 
WA_T7UNPF_FI_TRANS_STR-LOC_AMT_FULL_SM sy-vline 
WA_T7UNPF_FI_TRANS_STR-BAS_AMT_FULL_SM sy-vline 
WA_T7UNPF_FI_TRANS_STR-LOC_AMT_FULL_ORG sy-vline 
WA_T7UNPF_FI_TRANS_STR-BAS_AMT_FULL_ORG sy-vline 
WA_T7UNPF_FI_TRANS_STR-REMARK sy-vline 
WA_T7UNPF_FI_TRANS_STR-CRNAM sy-vline 
WA_T7UNPF_FI_TRANS_STR-CRDAT sy-vline 
WA_T7UNPF_FI_TRANS_STR-CRTIM sy-vline 
WA_T7UNPF_FI_TRANS_STR-AENAM sy-vline 
WA_T7UNPF_FI_TRANS_STR-AEDAT sy-vline 
WA_T7UNPF_FI_TRANS_STR-AETIM sy-vline 
WA_T7UNPF_FI_TRANS_STR-STATUS sy-vline 
WA_T7UNPF_FI_TRANS_STR-EXEC_DATE sy-vline 
WA_T7UNPF_FI_TRANS_STR-TRANSACTION_ID sy-vline 
WA_T7UNPF_FI_TRANS_STR-TRANS_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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