ABAP Select data from SAP table OIO_C1_CNTNR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OIO_C1_CNTNR 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 OIO_C1_CNTNR. 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 OIO_C1_CNTNR 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_OIO_C1_CNTNR TYPE STANDARD TABLE OF OIO_C1_CNTNR,
      WA_OIO_C1_CNTNR TYPE OIO_C1_CNTNR,
      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: <OIO_C1_CNTNR> TYPE OIO_C1_CNTNR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OIO_C1_CNTNR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OIO_C1_CNTNR
  INTO TABLE IT_OIO_C1_CNTNR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIO_C1_CNTNR
*  INTO TABLE @DATA(IT_OIO_C1_CNTNR2).
*--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_OIO_C1_CNTNR INDEX 1 INTO DATA(WA_OIO_C1_CNTNR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OIO_C1_CNTNR ASSIGNING <OIO_C1_CNTNR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIO_C1_CNTNR>-MANDT = 1.
<OIO_C1_CNTNR>-CNTNR_NR = 1.
<OIO_C1_CNTNR>-CTCAT_CD = 1.
<OIO_C1_CNTNR>-STATUS = 1.
<OIO_C1_CNTNR>-MATNR = 1.

ENDLOOP.

LOOP AT IT_OIO_C1_CNTNR INTO WA_OIO_C1_CNTNR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIO_C1_CNTNR-EXTID, sy-vline,
  WA_OIO_C1_CNTNR-XRENT, sy-vline,
  WA_OIO_C1_CNTNR-OWNER, sy-vline,
  WA_OIO_C1_CNTNR-CERT_NR, sy-vline,
  WA_OIO_C1_CNTNR-CERT_DT, sy-vline,
  WA_OIO_C1_CNTNR-CERT_DT_NEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIO_C1_CNTNR 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_OIO_C1_CNTNR 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_OIO_C1_CNTNR INTO WA_OIO_C1_CNTNR.


*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 CNTNR_NR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIO_C1_CNTNR-CNTNR_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_C1_CNTNR-CNTNR_NR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CTCAT_CD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIO_C1_CNTNR-CTCAT_CD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_C1_CNTNR-CTCAT_CD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STATUS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIO_C1_CNTNR-STATUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_C1_CNTNR-STATUS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OIO_C1_CNTNR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_C1_CNTNR-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OWNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIO_C1_CNTNR-OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_C1_CNTNR-OWNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TP_OWNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OIO_C1_CNTNR-TP_OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_C1_CNTNR-TP_OWNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DIM_UN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_C1_CNTNR-DIM_UN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_C1_CNTNR-DIM_UN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field FOOTPRINT_UN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_C1_CNTNR-FOOTPRINT_UN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_C1_CNTNR-FOOTPRINT_UN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field WEIGHT_UN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_C1_CNTNR-WEIGHT_UN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_C1_CNTNR-WEIGHT_UN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SAFE_LOAD_UN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_C1_CNTNR-SAFE_LOAD_UN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_C1_CNTNR-SAFE_LOAD_UN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MAX_WEIGHT_UN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIO_C1_CNTNR-MAX_WEIGHT_UN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIO_C1_CNTNR-MAX_WEIGHT_UN.
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_OIO_C1_CNTNR_STR, 
MANDT TYPE STRING,
CNTNR_NR TYPE STRING,
CTCAT_CD TYPE STRING,
STATUS TYPE STRING,
MATNR TYPE STRING,
EXTID TYPE STRING,
XRENT TYPE STRING,
OWNER TYPE STRING,
CERT_NR TYPE STRING,
CERT_DT TYPE STRING,
CERT_DT_NEXT TYPE STRING,
RENT_DT TYPE STRING,
EXP_DT TYPE STRING,
XTPTY TYPE STRING,
TP_OWNER TYPE STRING,
LENGTH TYPE STRING,
WIDTH TYPE STRING,
HEIGHT TYPE STRING,
DIM_UN TYPE STRING,
FOOTPRINT TYPE STRING,
FOOTPRINT_UN TYPE STRING,
WEIGHT TYPE STRING,
WEIGHT_UN TYPE STRING,
SAFE_LOAD TYPE STRING,
SAFE_LOAD_UN TYPE STRING,
MAX_WEIGHT TYPE STRING,
MAX_WEIGHT_UN TYPE STRING,
XDELT TYPE STRING,
XBLCK TYPE STRING,
XACTV TYPE STRING,
CERT_NR_IMO TYPE STRING,
CERT_DT_IMO TYPE STRING,
CERT_DT_NEXT_IMO TYPE STRING,
CR_USER TYPE STRING,
CR_TSTMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIO_C1_CNTNR_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_OIO_C1_CNTNR_STR-MANDT sy-vline 
WA_OIO_C1_CNTNR_STR-CNTNR_NR sy-vline 
WA_OIO_C1_CNTNR_STR-CTCAT_CD sy-vline 
WA_OIO_C1_CNTNR_STR-STATUS sy-vline 
WA_OIO_C1_CNTNR_STR-MATNR sy-vline 
WA_OIO_C1_CNTNR_STR-EXTID sy-vline 
WA_OIO_C1_CNTNR_STR-XRENT sy-vline 
WA_OIO_C1_CNTNR_STR-OWNER sy-vline 
WA_OIO_C1_CNTNR_STR-CERT_NR sy-vline 
WA_OIO_C1_CNTNR_STR-CERT_DT sy-vline 
WA_OIO_C1_CNTNR_STR-CERT_DT_NEXT sy-vline 
WA_OIO_C1_CNTNR_STR-RENT_DT sy-vline 
WA_OIO_C1_CNTNR_STR-EXP_DT sy-vline 
WA_OIO_C1_CNTNR_STR-XTPTY sy-vline 
WA_OIO_C1_CNTNR_STR-TP_OWNER sy-vline 
WA_OIO_C1_CNTNR_STR-LENGTH sy-vline 
WA_OIO_C1_CNTNR_STR-WIDTH sy-vline 
WA_OIO_C1_CNTNR_STR-HEIGHT sy-vline 
WA_OIO_C1_CNTNR_STR-DIM_UN sy-vline 
WA_OIO_C1_CNTNR_STR-FOOTPRINT sy-vline 
WA_OIO_C1_CNTNR_STR-FOOTPRINT_UN sy-vline 
WA_OIO_C1_CNTNR_STR-WEIGHT sy-vline 
WA_OIO_C1_CNTNR_STR-WEIGHT_UN sy-vline 
WA_OIO_C1_CNTNR_STR-SAFE_LOAD sy-vline 
WA_OIO_C1_CNTNR_STR-SAFE_LOAD_UN sy-vline 
WA_OIO_C1_CNTNR_STR-MAX_WEIGHT sy-vline 
WA_OIO_C1_CNTNR_STR-MAX_WEIGHT_UN sy-vline 
WA_OIO_C1_CNTNR_STR-XDELT sy-vline 
WA_OIO_C1_CNTNR_STR-XBLCK sy-vline 
WA_OIO_C1_CNTNR_STR-XACTV sy-vline 
WA_OIO_C1_CNTNR_STR-CERT_NR_IMO sy-vline 
WA_OIO_C1_CNTNR_STR-CERT_DT_IMO sy-vline 
WA_OIO_C1_CNTNR_STR-CERT_DT_NEXT_IMO sy-vline 
WA_OIO_C1_CNTNR_STR-CR_USER sy-vline 
WA_OIO_C1_CNTNR_STR-CR_TSTMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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