ABAP Select data from SAP table WB2CDSCALCNTR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP WB2CDSCALCNTR 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 WB2CDSCALCNTR. 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 WB2CDSCALCNTR 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_WB2CDSCALCNTR TYPE STANDARD TABLE OF WB2CDSCALCNTR,
      WA_WB2CDSCALCNTR TYPE WB2CDSCALCNTR,
      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: <WB2CDSCALCNTR> TYPE WB2CDSCALCNTR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_WB2CDSCALCNTR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM WB2CDSCALCNTR
  INTO TABLE IT_WB2CDSCALCNTR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WB2CDSCALCNTR
*  INTO TABLE @DATA(IT_WB2CDSCALCNTR2).
*--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_WB2CDSCALCNTR INDEX 1 INTO DATA(WA_WB2CDSCALCNTR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_WB2CDSCALCNTR ASSIGNING <WB2CDSCALCNTR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WB2CDSCALCNTR>-MANDT = 1.
<WB2CDSCALCNTR>-NUM = 1.
<WB2CDSCALCNTR>-SETTL_DATE = 1.
<WB2CDSCALCNTR>-SETTL_DATE_SEQ_ID = 1.
<WB2CDSCALCNTR>-SETTL_DATE_TYPE = 1.

ENDLOOP.

LOOP AT IT_WB2CDSCALCNTR INTO WA_WB2CDSCALCNTR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WB2CDSCALCNTR-REF_SETTL_DATE, sy-vline,
  WA_WB2CDSCALCNTR-REF_SETTL_DATE_SEQ_ID, sy-vline,
  WA_WB2CDSCALCNTR-SETTL_EXEC_DATE, sy-vline,
  WA_WB2CDSCALCNTR-BUSVOL_DATE_FROM, sy-vline,
  WA_WB2CDSCALCNTR-BUSVOL_DATE_TO, sy-vline,
  WA_WB2CDSCALCNTR-SETTL_DATE_USAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WB2CDSCALCNTR 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_WB2CDSCALCNTR 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_WB2CDSCALCNTR INTO WA_WB2CDSCALCNTR.


*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 NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2CDSCALCNTR-NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2CDSCALCNTR-NUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VEND_OWNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2CDSCALCNTR-VEND_OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2CDSCALCNTR-VEND_OWNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUST_OWNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2CDSCALCNTR-CUST_OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2CDSCALCNTR-CUST_OWNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field RATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_WB2CDSCALCNTR-RATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2CDSCALCNTR-RATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field SETTL_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_WB2CDSCALCNTR-SETTL_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2CDSCALCNTR-SETTL_MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRED_CC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2CDSCALCNTR-PRED_CC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2CDSCALCNTR-PRED_CC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOLIF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2CDSCALCNTR-KOLIF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2CDSCALCNTR-KOLIF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SETTL_MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WB2CDSCALCNTR-SETTL_MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2CDSCALCNTR-SETTL_MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SETTL_GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WB2CDSCALCNTR-SETTL_GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2CDSCALCNTR-SETTL_GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SETTL_VOLEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WB2CDSCALCNTR-SETTL_VOLEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2CDSCALCNTR-SETTL_VOLEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SETTL_PUNEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WB2CDSCALCNTR-SETTL_PUNEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2CDSCALCNTR-SETTL_PUNEI.
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_WB2CDSCALCNTR_STR, 
MANDT TYPE STRING,
NUM TYPE STRING,
SETTL_DATE TYPE STRING,
SETTL_DATE_SEQ_ID TYPE STRING,
SETTL_DATE_TYPE TYPE STRING,
REF_SETTL_DATE TYPE STRING,
REF_SETTL_DATE_SEQ_ID TYPE STRING,
SETTL_EXEC_DATE TYPE STRING,
BUSVOL_DATE_FROM TYPE STRING,
BUSVOL_DATE_TO TYPE STRING,
SETTL_DATE_USAGE TYPE STRING,
VALDT TYPE STRING,
GUID_CAL TYPE STRING,
CONTRACT_TYPE TYPE STRING,
VEND_OWNER TYPE STRING,
CUST_OWNER TYPE STRING,
REFERENCE TYPE STRING,
ASSIGNMENT TYPE STRING,
EXT_PARTNER TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
REC_TIME TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
ZTERM TYPE STRING,
ZBD1T TYPE STRING,
ZBD1P TYPE STRING,
ZBD2T TYPE STRING,
ZBD2P TYPE STRING,
ZBD3T TYPE STRING,
ZLSCH TYPE STRING,
GUID TYPE STRING,
DEACT TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
ZONLO TYPE STRING,
EXT_NUM TYPE STRING,
CC_CURR TYPE STRING,
RATE TYPE STRING,
RATE_DATE TYPE STRING,
RATE_TYPE TYPE STRING,
VKGRP TYPE STRING,
VKBUR TYPE STRING,
ACCESS_TYPE TYPE STRING,
SETTL_MATNR TYPE STRING,
SETTL_TYPE_VEND TYPE STRING,
SETTL_CAL_FINAL TYPE STRING,
SETTL_CAL_PART TYPE STRING,
BUKRS TYPE STRING,
SETTL_TYPE_CUST TYPE STRING,
CH_NAME TYPE STRING,
CH_DATE TYPE STRING,
CH_TIME TYPE STRING,
EXTENSION_CAL TYPE STRING,
PRED_CC TYPE STRING,
CATEGORY TYPE STRING,
CC_PURPOSE TYPE STRING,
EXT_REF_CAT TYPE STRING,
EXT_REF TYPE STRING,
KOLIF TYPE STRING,
SETTL_CAL_DELTA TYPE STRING,
BVTAB_GROUP TYPE STRING,
SETTL_CAL_ACCR TYPE STRING,
AF_GROUP TYPE STRING,
SETTL_MEINS TYPE STRING,
SETTL_GEWEI TYPE STRING,
SETTL_VOLEH TYPE STRING,
SETTL_PUNEI TYPE STRING,
ACCRUALS_UPD_REQ TYPE STRING,
SETTL_CAL_ACCR_ROLLO TYPE STRING,
CREATED_ON_TSTMP TYPE STRING,
CH_TSTMP TYPE STRING,
STCEG TYPE STRING,
PERSON_OWNER TYPE STRING,
AFSC_GROUP TYPE STRING,
TAX_COUNTRY TYPE STRING,
PROCESS_VARIANT TYPE STRING,
EXT_REF_ITEM TYPE STRING,
COCO_DET_REL_CONTR TYPE STRING,
TAX_REPORTING_COUNTRY TYPE STRING,
SETTL_VARIANT TYPE STRING,
OWNER_TYPE TYPE STRING,
PROCESS_CATEGORY TYPE STRING,
REBATE_TYPE TYPE STRING,
SDM_VERSION TYPE STRING,
EXT_GUID TYPE STRING,
EXT_GUID_I TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WB2CDSCALCNTR_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_WB2CDSCALCNTR_STR-MANDT sy-vline 
WA_WB2CDSCALCNTR_STR-NUM sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_DATE sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_DATE_SEQ_ID sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_DATE_TYPE sy-vline 
WA_WB2CDSCALCNTR_STR-REF_SETTL_DATE sy-vline 
WA_WB2CDSCALCNTR_STR-REF_SETTL_DATE_SEQ_ID sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_EXEC_DATE sy-vline 
WA_WB2CDSCALCNTR_STR-BUSVOL_DATE_FROM sy-vline 
WA_WB2CDSCALCNTR_STR-BUSVOL_DATE_TO sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_DATE_USAGE sy-vline 
WA_WB2CDSCALCNTR_STR-VALDT sy-vline 
WA_WB2CDSCALCNTR_STR-GUID_CAL sy-vline 
WA_WB2CDSCALCNTR_STR-CONTRACT_TYPE sy-vline 
WA_WB2CDSCALCNTR_STR-VEND_OWNER sy-vline 
WA_WB2CDSCALCNTR_STR-CUST_OWNER sy-vline 
WA_WB2CDSCALCNTR_STR-REFERENCE sy-vline 
WA_WB2CDSCALCNTR_STR-ASSIGNMENT sy-vline 
WA_WB2CDSCALCNTR_STR-EXT_PARTNER sy-vline 
WA_WB2CDSCALCNTR_STR-CREATED_BY sy-vline 
WA_WB2CDSCALCNTR_STR-CREATED_ON sy-vline 
WA_WB2CDSCALCNTR_STR-REC_TIME sy-vline 
WA_WB2CDSCALCNTR_STR-EKORG sy-vline 
WA_WB2CDSCALCNTR_STR-EKGRP sy-vline 
WA_WB2CDSCALCNTR_STR-VKORG sy-vline 
WA_WB2CDSCALCNTR_STR-VTWEG sy-vline 
WA_WB2CDSCALCNTR_STR-SPART sy-vline 
WA_WB2CDSCALCNTR_STR-ZTERM sy-vline 
WA_WB2CDSCALCNTR_STR-ZBD1T sy-vline 
WA_WB2CDSCALCNTR_STR-ZBD1P sy-vline 
WA_WB2CDSCALCNTR_STR-ZBD2T sy-vline 
WA_WB2CDSCALCNTR_STR-ZBD2P sy-vline 
WA_WB2CDSCALCNTR_STR-ZBD3T sy-vline 
WA_WB2CDSCALCNTR_STR-ZLSCH sy-vline 
WA_WB2CDSCALCNTR_STR-GUID sy-vline 
WA_WB2CDSCALCNTR_STR-DEACT sy-vline 
WA_WB2CDSCALCNTR_STR-DATE_FROM sy-vline 
WA_WB2CDSCALCNTR_STR-DATE_TO sy-vline 
WA_WB2CDSCALCNTR_STR-ZONLO sy-vline 
WA_WB2CDSCALCNTR_STR-EXT_NUM sy-vline 
WA_WB2CDSCALCNTR_STR-CC_CURR sy-vline 
WA_WB2CDSCALCNTR_STR-RATE sy-vline 
WA_WB2CDSCALCNTR_STR-RATE_DATE sy-vline 
WA_WB2CDSCALCNTR_STR-RATE_TYPE sy-vline 
WA_WB2CDSCALCNTR_STR-VKGRP sy-vline 
WA_WB2CDSCALCNTR_STR-VKBUR sy-vline 
WA_WB2CDSCALCNTR_STR-ACCESS_TYPE sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_MATNR sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_TYPE_VEND sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_CAL_FINAL sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_CAL_PART sy-vline 
WA_WB2CDSCALCNTR_STR-BUKRS sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_TYPE_CUST sy-vline 
WA_WB2CDSCALCNTR_STR-CH_NAME sy-vline 
WA_WB2CDSCALCNTR_STR-CH_DATE sy-vline 
WA_WB2CDSCALCNTR_STR-CH_TIME sy-vline 
WA_WB2CDSCALCNTR_STR-EXTENSION_CAL sy-vline 
WA_WB2CDSCALCNTR_STR-PRED_CC sy-vline 
WA_WB2CDSCALCNTR_STR-CATEGORY sy-vline 
WA_WB2CDSCALCNTR_STR-CC_PURPOSE sy-vline 
WA_WB2CDSCALCNTR_STR-EXT_REF_CAT sy-vline 
WA_WB2CDSCALCNTR_STR-EXT_REF sy-vline 
WA_WB2CDSCALCNTR_STR-KOLIF sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_CAL_DELTA sy-vline 
WA_WB2CDSCALCNTR_STR-BVTAB_GROUP sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_CAL_ACCR sy-vline 
WA_WB2CDSCALCNTR_STR-AF_GROUP sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_MEINS sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_GEWEI sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_VOLEH sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_PUNEI sy-vline 
WA_WB2CDSCALCNTR_STR-ACCRUALS_UPD_REQ sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_CAL_ACCR_ROLLO sy-vline 
WA_WB2CDSCALCNTR_STR-CREATED_ON_TSTMP sy-vline 
WA_WB2CDSCALCNTR_STR-CH_TSTMP sy-vline 
WA_WB2CDSCALCNTR_STR-STCEG sy-vline 
WA_WB2CDSCALCNTR_STR-PERSON_OWNER sy-vline 
WA_WB2CDSCALCNTR_STR-AFSC_GROUP sy-vline 
WA_WB2CDSCALCNTR_STR-TAX_COUNTRY sy-vline 
WA_WB2CDSCALCNTR_STR-PROCESS_VARIANT sy-vline 
WA_WB2CDSCALCNTR_STR-EXT_REF_ITEM sy-vline 
WA_WB2CDSCALCNTR_STR-COCO_DET_REL_CONTR sy-vline 
WA_WB2CDSCALCNTR_STR-TAX_REPORTING_COUNTRY sy-vline 
WA_WB2CDSCALCNTR_STR-SETTL_VARIANT sy-vline 
WA_WB2CDSCALCNTR_STR-OWNER_TYPE sy-vline 
WA_WB2CDSCALCNTR_STR-PROCESS_CATEGORY sy-vline 
WA_WB2CDSCALCNTR_STR-REBATE_TYPE sy-vline 
WA_WB2CDSCALCNTR_STR-SDM_VERSION sy-vline 
WA_WB2CDSCALCNTR_STR-EXT_GUID sy-vline 
WA_WB2CDSCALCNTR_STR-EXT_GUID_I sy-vline      INTO ld_text SEPARATED BY SPACE.

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