ABAP Select data from SAP table TRLS_FLOW_AND_TRANS1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TRLS_FLOW_AND_TRANS1 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 TRLS_FLOW_AND_TRANS1. 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 TRLS_FLOW_AND_TRANS1 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_TRLS_FLOW_AND_TRANS1 TYPE STANDARD TABLE OF TRLS_FLOW_AND_TRANS1,
      WA_TRLS_FLOW_AND_TRANS1 TYPE TRLS_FLOW_AND_TRANS1,
      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: <TRLS_FLOW_AND_TRANS1> TYPE TRLS_FLOW_AND_TRANS1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_TRLS_FLOW_AND_TRANS1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM TRLS_FLOW_AND_TRANS1
  INTO TABLE IT_TRLS_FLOW_AND_TRANS1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TRLS_FLOW_AND_TRANS1
*  INTO TABLE @DATA(IT_TRLS_FLOW_AND_TRANS12).
*--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_TRLS_FLOW_AND_TRANS1 INDEX 1 INTO DATA(WA_TRLS_FLOW_AND_TRANS12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_TRLS_FLOW_AND_TRANS1 ASSIGNING <TRLS_FLOW_AND_TRANS1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TRLS_FLOW_AND_TRANS1>-OS_GUID = 1.
<TRLS_FLOW_AND_TRANS1>-PRODUCT_GROUP = 1.
<TRLS_FLOW_AND_TRANS1>-BUSTRANSCAT = 1.
<TRLS_FLOW_AND_TRANS1>-TRLDATE = 1.
<TRLS_FLOW_AND_TRANS1>-BUSTRANSID = 1.

ENDLOOP.

LOOP AT IT_TRLS_FLOW_AND_TRANS1 INTO WA_TRLS_FLOW_AND_TRANS1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TRLS_FLOW_AND_TRANS1-CREATE_DATE, sy-vline,
  WA_TRLS_FLOW_AND_TRANS1-CREATE_TIME, sy-vline,
  WA_TRLS_FLOW_AND_TRANS1-BUSTRANSSTATE, sy-vline,
  WA_TRLS_FLOW_AND_TRANS1-BOOKING_STATE, sy-vline,
  WA_TRLS_FLOW_AND_TRANS1-VALUATION_AREA, sy-vline,
  WA_TRLS_FLOW_AND_TRANS1-TR_ACC_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TRLS_FLOW_AND_TRANS1 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_TRLS_FLOW_AND_TRANS1 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_TRLS_FLOW_AND_TRANS1 INTO WA_TRLS_FLOW_AND_TRANS1.


*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 TRLBS, internal->external for field BOOKING_STATE
CALL FUNCTION 'CONVERSION_EXIT_TRLBS_OUTPUT'
  EXPORTING
    input =                      WA_TRLS_FLOW_AND_TRANS1-BOOKING_STATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TRLS_FLOW_AND_TRANS1-BOOKING_STATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT_OF_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_TRLS_FLOW_AND_TRANS1-UNIT_OF_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TRLS_FLOW_AND_TRANS1-UNIT_OF_MEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit POSCT, internal->external for field ACTIVE_PASSIVE
CALL FUNCTION 'CONVERSION_EXIT_POSCT_OUTPUT'
  EXPORTING
    input =                      WA_TRLS_FLOW_AND_TRANS1-ACTIVE_PASSIVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TRLS_FLOW_AND_TRANS1-ACTIVE_PASSIVE.
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_TRLS_FLOW_AND_TRANS1_STR, 
OS_GUID TYPE STRING,
PRODUCT_GROUP TYPE STRING,
BUSTRANSCAT TYPE STRING,
TRLDATE TYPE STRING,
BUSTRANSID TYPE STRING,
CREATE_DATE TYPE STRING,
CREATE_TIME TYPE STRING,
BUSTRANSSTATE TYPE STRING,
BOOKING_STATE TYPE STRING,
VALUATION_AREA TYPE STRING,
TR_ACC_CODE TYPE STRING,
REFBUSTRANSID TYPE STRING,
FI_POST_DATE TYPE STRING,
FI_POST_PERIOD TYPE STRING,
FI_REV_DATE TYPE STRING,
FI_REV_PERIOD TYPE STRING,
MIGR_INIT_FLG TYPE STRING,
IGT_STATUS TYPE STRING,
FBP_NEEDED TYPE STRING,
FBP_EXISTS TYPE STRING,
LINK_VAL_AREA TYPE STRING,
LINK_BUSTRANSID TYPE STRING,
FLG_EFFTEST TYPE STRING,
USER_DATA_OID TYPE STRING,
USER_DATA_CLS TYPE STRING,
TAB_FLOW_PERS TYPE STRING,
CREATE_UTC TYPE STRING,
CHANGE_UTC TYPE STRING,
POSITION TYPE STRING,
TRLFLOWNUMBER TYPE STRING,
SUBPOSITION TYPE STRING,
FLOWNUMBER TYPE STRING,
SOURCETARGET_FLG TYPE STRING,
TRANSFER_GROUP TYPE STRING,
FLOWTYPE TYPE STRING,
AMOUNT_FACTOR TYPE STRING,
QUANT_CAT TYPE STRING,
AMOUNT_CAT TYPE STRING,
UNITS TYPE STRING,
NOMINAL_AMT TYPE STRING,
NOMINAL_ORG_AMT TYPE STRING,
NOMINAL_CURR TYPE STRING,
POSAMT_IDX_CLEAN TYPE STRING,
POSITION_AMT TYPE STRING,
POSITION_CURR TYPE STRING,
VALUATION_AMT TYPE STRING,
VALUATION_CURR TYPE STRING,
CALCULATION_DATE TYPE STRING,
CALC_DATE_INCL TYPE STRING,
DUE_DATE TYPE STRING,
CALC_BEGIN TYPE STRING,
CALC_END TYPE STRING,
EFF_INT_RATE_U TYPE STRING,
SCHED_EFF_RATE TYPE STRING,
EFF_INT_RATE_N TYPE STRING,
SCHED_FIX TYPE STRING,
BBASIS TYPE STRING,
PAR_USAGE TYPE STRING,
SUB_SOURCETARGET TYPE STRING,
SUB_TRANSFERGRP TYPE STRING,
INIT_CLASSIFIER TYPE STRING,
DCSID TYPE STRING,
QUANTITY TYPE STRING,
UNIT_OF_MEASURE TYPE STRING,
ACTIVE_PASSIVE TYPE STRING,
TRANSACTION_TYPE TYPE STRING,
POSTING_DATE TYPE STRING,
POSTING_STATE TYPE STRING,
HEDGE_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TRLS_FLOW_AND_TRANS1_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_TRLS_FLOW_AND_TRANS1_STR-OS_GUID sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-PRODUCT_GROUP sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-BUSTRANSCAT sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-TRLDATE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-BUSTRANSID sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-CREATE_DATE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-CREATE_TIME sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-BUSTRANSSTATE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-BOOKING_STATE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-VALUATION_AREA sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-TR_ACC_CODE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-REFBUSTRANSID sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-FI_POST_DATE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-FI_POST_PERIOD sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-FI_REV_DATE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-FI_REV_PERIOD sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-MIGR_INIT_FLG sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-IGT_STATUS sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-FBP_NEEDED sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-FBP_EXISTS sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-LINK_VAL_AREA sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-LINK_BUSTRANSID sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-FLG_EFFTEST sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-USER_DATA_OID sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-USER_DATA_CLS sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-TAB_FLOW_PERS sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-CREATE_UTC sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-CHANGE_UTC sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-POSITION sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-TRLFLOWNUMBER sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-SUBPOSITION sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-FLOWNUMBER sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-SOURCETARGET_FLG sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-TRANSFER_GROUP sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-FLOWTYPE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-AMOUNT_FACTOR sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-QUANT_CAT sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-AMOUNT_CAT sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-UNITS sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-NOMINAL_AMT sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-NOMINAL_ORG_AMT sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-NOMINAL_CURR sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-POSAMT_IDX_CLEAN sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-POSITION_AMT sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-POSITION_CURR sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-VALUATION_AMT sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-VALUATION_CURR sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-CALCULATION_DATE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-CALC_DATE_INCL sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-DUE_DATE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-CALC_BEGIN sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-CALC_END sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-EFF_INT_RATE_U sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-SCHED_EFF_RATE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-EFF_INT_RATE_N sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-SCHED_FIX sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-BBASIS sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-PAR_USAGE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-SUB_SOURCETARGET sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-SUB_TRANSFERGRP sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-INIT_CLASSIFIER sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-DCSID sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-QUANTITY sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-UNIT_OF_MEASURE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-ACTIVE_PASSIVE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-TRANSACTION_TYPE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-POSTING_DATE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-POSTING_STATE sy-vline 
WA_TRLS_FLOW_AND_TRANS1_STR-HEDGE_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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