ABAP Select data from SAP table OIH_J_1BTXST1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OIH_J_1BTXST1 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 OIH_J_1BTXST1. 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 OIH_J_1BTXST1 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_OIH_J_1BTXST1 TYPE STANDARD TABLE OF OIH_J_1BTXST1,
      WA_OIH_J_1BTXST1 TYPE OIH_J_1BTXST1,
      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: <OIH_J_1BTXST1> TYPE OIH_J_1BTXST1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OIH_J_1BTXST1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OIH_J_1BTXST1
  INTO TABLE IT_OIH_J_1BTXST1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIH_J_1BTXST1
*  INTO TABLE @DATA(IT_OIH_J_1BTXST12).
*--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_OIH_J_1BTXST1 INDEX 1 INTO DATA(WA_OIH_J_1BTXST12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OIH_J_1BTXST1 ASSIGNING <OIH_J_1BTXST1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIH_J_1BTXST1>-MANDT = 1.
<OIH_J_1BTXST1>-LAND1 = 1.
<OIH_J_1BTXST1>-SHIPFROM = 1.
<OIH_J_1BTXST1>-SHIPTO = 1.
<OIH_J_1BTXST1>-OIHVTYPE = 1.

ENDLOOP.

LOOP AT IT_OIH_J_1BTXST1 INTO WA_OIH_J_1BTXST1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIH_J_1BTXST1-MATNR, sy-vline,
  WA_OIH_J_1BTXST1-OIHMTXGR, sy-vline,
  WA_OIH_J_1BTXST1-STGRP, sy-vline,
  WA_OIH_J_1BTXST1-VALIDFROM, sy-vline,
  WA_OIH_J_1BTXST1-VALIDTO, sy-vline,
  WA_OIH_J_1BTXST1-SUR_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIH_J_1BTXST1 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_OIH_J_1BTXST1 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_OIH_J_1BTXST1 INTO WA_OIH_J_1BTXST1.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OIH_J_1BTXST1-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIH_J_1BTXST1-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit INVDT, internal->external for field VALIDFROM
CALL FUNCTION 'CONVERSION_EXIT_INVDT_OUTPUT'
  EXPORTING
    input =                      WA_OIH_J_1BTXST1-VALIDFROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIH_J_1BTXST1-VALIDFROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit INVDT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_INVDT_OUTPUT'
  EXPORTING
    input =                      WA_OIH_J_1BTXST1-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIH_J_1BTXST1-VALIDTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIH_J_1BTXST1-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIH_J_1BTXST1-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TXLW1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIH_J_1BTXST1-TXLW1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIH_J_1BTXST1-TXLW1.
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_OIH_J_1BTXST1_STR, 
MANDT TYPE STRING,
LAND1 TYPE STRING,
SHIPFROM TYPE STRING,
SHIPTO TYPE STRING,
OIHVTYPE TYPE STRING,
MATNR TYPE STRING,
OIHMTXGR TYPE STRING,
STGRP TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
SUR_TYPE TYPE STRING,
RATE TYPE STRING,
PRICE TYPE STRING,
FACTOR TYPE STRING,
UNIT TYPE STRING,
BASERED1 TYPE STRING,
BASERED2 TYPE STRING,
ICMSBASER TYPE STRING,
TXLW1 TYPE STRING,
MINPRICE TYPE STRING,
SURCHIN TYPE STRING,
FCP_BASERED1 TYPE STRING,
FCP_BASERED2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIH_J_1BTXST1_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_OIH_J_1BTXST1_STR-MANDT sy-vline 
WA_OIH_J_1BTXST1_STR-LAND1 sy-vline 
WA_OIH_J_1BTXST1_STR-SHIPFROM sy-vline 
WA_OIH_J_1BTXST1_STR-SHIPTO sy-vline 
WA_OIH_J_1BTXST1_STR-OIHVTYPE sy-vline 
WA_OIH_J_1BTXST1_STR-MATNR sy-vline 
WA_OIH_J_1BTXST1_STR-OIHMTXGR sy-vline 
WA_OIH_J_1BTXST1_STR-STGRP sy-vline 
WA_OIH_J_1BTXST1_STR-VALIDFROM sy-vline 
WA_OIH_J_1BTXST1_STR-VALIDTO sy-vline 
WA_OIH_J_1BTXST1_STR-SUR_TYPE sy-vline 
WA_OIH_J_1BTXST1_STR-RATE sy-vline 
WA_OIH_J_1BTXST1_STR-PRICE sy-vline 
WA_OIH_J_1BTXST1_STR-FACTOR sy-vline 
WA_OIH_J_1BTXST1_STR-UNIT sy-vline 
WA_OIH_J_1BTXST1_STR-BASERED1 sy-vline 
WA_OIH_J_1BTXST1_STR-BASERED2 sy-vline 
WA_OIH_J_1BTXST1_STR-ICMSBASER sy-vline 
WA_OIH_J_1BTXST1_STR-TXLW1 sy-vline 
WA_OIH_J_1BTXST1_STR-MINPRICE sy-vline 
WA_OIH_J_1BTXST1_STR-SURCHIN sy-vline 
WA_OIH_J_1BTXST1_STR-FCP_BASERED1 sy-vline 
WA_OIH_J_1BTXST1_STR-FCP_BASERED2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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