ABAP Select data from SAP table OIUX3_JEINTF into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OIUX3_JEINTF 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 OIUX3_JEINTF. 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 OIUX3_JEINTF 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_OIUX3_JEINTF TYPE STANDARD TABLE OF OIUX3_JEINTF,
      WA_OIUX3_JEINTF TYPE OIUX3_JEINTF,
      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: <OIUX3_JEINTF> TYPE OIUX3_JEINTF.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OIUX3_JEINTF.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OIUX3_JEINTF
  INTO TABLE IT_OIUX3_JEINTF.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIUX3_JEINTF
*  INTO TABLE @DATA(IT_OIUX3_JEINTF2).
*--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_OIUX3_JEINTF INDEX 1 INTO DATA(WA_OIUX3_JEINTF2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OIUX3_JEINTF ASSIGNING <OIUX3_JEINTF>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIUX3_JEINTF>-MANDT = 1.
<OIUX3_JEINTF>-RUN_ID = 1.
<OIUX3_JEINTF>-OR_LVL_1_NO = 1.
<OIUX3_JEINTF>-ACCT_PERD_DT = 1.
<OIUX3_JEINTF>-BTCH_NO = 1.

ENDLOOP.

LOOP AT IT_OIUX3_JEINTF INTO WA_OIUX3_JEINTF.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIUX3_JEINTF-LE_NO, sy-vline,
  WA_OIUX3_JEINTF-ACCT_NO, sy-vline,
  WA_OIUX3_JEINTF-ACCT_CAT_NO, sy-vline,
  WA_OIUX3_JEINTF-BTCH_TYP_CD, sy-vline,
  WA_OIUX3_JEINTF-SYS_SRCE_CD, sy-vline,
  WA_OIUX3_JEINTF-TRANS_AM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIUX3_JEINTF 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_OIUX3_JEINTF 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_OIUX3_JEINTF INTO WA_OIUX3_JEINTF.


*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 CHV_RPT_CD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIUX3_JEINTF-CHV_RPT_CD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIUX3_JEINTF-CHV_RPT_CD.
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_OIUX3_JEINTF_STR, 
MANDT TYPE STRING,
RUN_ID TYPE STRING,
OR_LVL_1_NO TYPE STRING,
ACCT_PERD_DT TYPE STRING,
BTCH_NO TYPE STRING,
LE_NO TYPE STRING,
ACCT_NO TYPE STRING,
ACCT_CAT_NO TYPE STRING,
BTCH_TYP_CD TYPE STRING,
SYS_SRCE_CD TYPE STRING,
TRANS_AM TYPE STRING,
TRANS_QY TYPE STRING,
GR_AM TYPE STRING,
GR_QY TYPE STRING,
PD_CD TYPE STRING,
VL_TYPE_CD TYPE STRING,
PU_NO TYPE STRING,
PU_SEQ_NO TYPE STRING,
PRDR_NO TYPE STRING,
PRDR_SEQ_NO TYPE STRING,
RVRS_RSN_CD TYPE STRING,
UNIT_OF_MEAS_CD TYPE STRING,
CT_NO TYPE STRING,
CT_TYPE_CD TYPE STRING,
DOI_PR_NO TYPE STRING,
DOI_SEQ_NO TYPE STRING,
WL_NO TYPE STRING,
WC_NO TYPE STRING,
ORIG_MP TYPE STRING,
SA_MP_NO TYPE STRING,
SA_DT TYPE STRING,
STATE_CD TYPE STRING,
UNIT_PR_NO TYPE STRING,
PROC_CO TYPE STRING,
TAX_CD TYPE STRING,
REF_NO TYPE STRING,
NWK_NO TYPE STRING,
SUBNWK_NO TYPE STRING,
CHV_RPT_CD TYPE STRING,
BTU_QY TYPE STRING,
PS_BASE_QY TYPE STRING,
GRV_QY TYPE STRING,
OWN_NO TYPE STRING,
OWN_SEQ_NO TYPE STRING,
OWN_INT_DECM_QY TYPE STRING,
OWN_INT_TYPE_CD TYPE STRING,
OWN_INT_SEQ_NO TYPE STRING,
PAY_CD TYPE STRING,
OWN_BAL_DECM_QY TYPE STRING,
MMBTU_OVL_AM TYPE STRING,
NET_TRANSP_AM TYPE STRING,
NET_OTH_MK_AM TYPE STRING,
TXN_VAL_AM TYPE STRING,
DED_RMB_AM TYPE STRING,
TAX_RMB_AM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIUX3_JEINTF_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_OIUX3_JEINTF_STR-MANDT sy-vline 
WA_OIUX3_JEINTF_STR-RUN_ID sy-vline 
WA_OIUX3_JEINTF_STR-OR_LVL_1_NO sy-vline 
WA_OIUX3_JEINTF_STR-ACCT_PERD_DT sy-vline 
WA_OIUX3_JEINTF_STR-BTCH_NO sy-vline 
WA_OIUX3_JEINTF_STR-LE_NO sy-vline 
WA_OIUX3_JEINTF_STR-ACCT_NO sy-vline 
WA_OIUX3_JEINTF_STR-ACCT_CAT_NO sy-vline 
WA_OIUX3_JEINTF_STR-BTCH_TYP_CD sy-vline 
WA_OIUX3_JEINTF_STR-SYS_SRCE_CD sy-vline 
WA_OIUX3_JEINTF_STR-TRANS_AM sy-vline 
WA_OIUX3_JEINTF_STR-TRANS_QY sy-vline 
WA_OIUX3_JEINTF_STR-GR_AM sy-vline 
WA_OIUX3_JEINTF_STR-GR_QY sy-vline 
WA_OIUX3_JEINTF_STR-PD_CD sy-vline 
WA_OIUX3_JEINTF_STR-VL_TYPE_CD sy-vline 
WA_OIUX3_JEINTF_STR-PU_NO sy-vline 
WA_OIUX3_JEINTF_STR-PU_SEQ_NO sy-vline 
WA_OIUX3_JEINTF_STR-PRDR_NO sy-vline 
WA_OIUX3_JEINTF_STR-PRDR_SEQ_NO sy-vline 
WA_OIUX3_JEINTF_STR-RVRS_RSN_CD sy-vline 
WA_OIUX3_JEINTF_STR-UNIT_OF_MEAS_CD sy-vline 
WA_OIUX3_JEINTF_STR-CT_NO sy-vline 
WA_OIUX3_JEINTF_STR-CT_TYPE_CD sy-vline 
WA_OIUX3_JEINTF_STR-DOI_PR_NO sy-vline 
WA_OIUX3_JEINTF_STR-DOI_SEQ_NO sy-vline 
WA_OIUX3_JEINTF_STR-WL_NO sy-vline 
WA_OIUX3_JEINTF_STR-WC_NO sy-vline 
WA_OIUX3_JEINTF_STR-ORIG_MP sy-vline 
WA_OIUX3_JEINTF_STR-SA_MP_NO sy-vline 
WA_OIUX3_JEINTF_STR-SA_DT sy-vline 
WA_OIUX3_JEINTF_STR-STATE_CD sy-vline 
WA_OIUX3_JEINTF_STR-UNIT_PR_NO sy-vline 
WA_OIUX3_JEINTF_STR-PROC_CO sy-vline 
WA_OIUX3_JEINTF_STR-TAX_CD sy-vline 
WA_OIUX3_JEINTF_STR-REF_NO sy-vline 
WA_OIUX3_JEINTF_STR-NWK_NO sy-vline 
WA_OIUX3_JEINTF_STR-SUBNWK_NO sy-vline 
WA_OIUX3_JEINTF_STR-CHV_RPT_CD sy-vline 
WA_OIUX3_JEINTF_STR-BTU_QY sy-vline 
WA_OIUX3_JEINTF_STR-PS_BASE_QY sy-vline 
WA_OIUX3_JEINTF_STR-GRV_QY sy-vline 
WA_OIUX3_JEINTF_STR-OWN_NO sy-vline 
WA_OIUX3_JEINTF_STR-OWN_SEQ_NO sy-vline 
WA_OIUX3_JEINTF_STR-OWN_INT_DECM_QY sy-vline 
WA_OIUX3_JEINTF_STR-OWN_INT_TYPE_CD sy-vline 
WA_OIUX3_JEINTF_STR-OWN_INT_SEQ_NO sy-vline 
WA_OIUX3_JEINTF_STR-PAY_CD sy-vline 
WA_OIUX3_JEINTF_STR-OWN_BAL_DECM_QY sy-vline 
WA_OIUX3_JEINTF_STR-MMBTU_OVL_AM sy-vline 
WA_OIUX3_JEINTF_STR-NET_TRANSP_AM sy-vline 
WA_OIUX3_JEINTF_STR-NET_OTH_MK_AM sy-vline 
WA_OIUX3_JEINTF_STR-TXN_VAL_AM sy-vline 
WA_OIUX3_JEINTF_STR-DED_RMB_AM sy-vline 
WA_OIUX3_JEINTF_STR-TAX_RMB_AM sy-vline      INTO ld_text SEPARATED BY SPACE.

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