ABAP Select data from SAP table KOMWCOCOH_LI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KOMWCOCOH_LI
*  INTO TABLE @DATA(IT_KOMWCOCOH_LI2).
*--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_KOMWCOCOH_LI INDEX 1 INTO DATA(WA_KOMWCOCOH_LI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KOMWCOCOH_LI>-CLIENT = 1.
<KOMWCOCOH_LI>-NUM = 1.
<KOMWCOCOH_LI>-CONTRACT_TYPE = 1.
<KOMWCOCOH_LI>-VEND_OWNER = 1.
<KOMWCOCOH_LI>-CUST_OWNER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KOMWCOCOH_LI-REFERENCE, sy-vline,
  WA_KOMWCOCOH_LI-ASSIGNMENT, sy-vline,
  WA_KOMWCOCOH_LI-EXT_PARTNER, sy-vline,
  WA_KOMWCOCOH_LI-CREATED_BY, sy-vline,
  WA_KOMWCOCOH_LI-CREATED_ON, sy-vline,
  WA_KOMWCOCOH_LI-REC_TIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KOMWCOCOH_LI 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_KOMWCOCOH_LI 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_KOMWCOCOH_LI INTO WA_KOMWCOCOH_LI.


*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_KOMWCOCOH_LI-NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMWCOCOH_LI-NUM.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit CUNIT, internal->external for field SETTL_MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_KOMWCOCOH_LI-SETTL_MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMWCOCOH_LI-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_KOMWCOCOH_LI-SETTL_GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMWCOCOH_LI-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_KOMWCOCOH_LI-SETTL_VOLEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMWCOCOH_LI-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_KOMWCOCOH_LI-SETTL_PUNEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMWCOCOH_LI-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_KOMWCOCOH_LI_STR, 
CLIENT TYPE STRING,
NUM 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,
_DATAAGING 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,
DUMMY_WCOCOH_INCL_EEW_PS TYPE STRING,
EXT_GUID TYPE STRING,
BEZEI_VEND_OWNER_GT TYPE STRING,
NAME1_VEND_GT TYPE STRING,
BEZEI_CUST_OWNER_GT TYPE STRING,
NAME1_CUST_GT TYPE STRING,
SYS_STATUS1_GT TYPE STRING,
SYS_STATUS2_GT TYPE STRING,
SYS_STATUS3_GT TYPE STRING,
SYS_STATUS4_GT TYPE STRING,
SYS_STATUS5_GT TYPE STRING,
USER_STATUS1_GT TYPE STRING,
USER_STATUS2_GT TYPE STRING,
USER_STATUS3_GT TYPE STRING,
BEZEI_KOLIF_GT TYPE STRING,
NAME1_KOLIF_GT TYPE STRING,
UI_CHANGE_GT TYPE STRING,
CONTRACT_SIDE_GT TYPE STRING,
NAME_PERSON_OWNER_GT TYPE STRING,
PROCESS_VARIANT_TEXT_GT TYPE STRING,
SELKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KOMWCOCOH_LI_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_KOMWCOCOH_LI_STR-CLIENT sy-vline 
WA_KOMWCOCOH_LI_STR-NUM sy-vline 
WA_KOMWCOCOH_LI_STR-CONTRACT_TYPE sy-vline 
WA_KOMWCOCOH_LI_STR-VEND_OWNER sy-vline 
WA_KOMWCOCOH_LI_STR-CUST_OWNER sy-vline 
WA_KOMWCOCOH_LI_STR-REFERENCE sy-vline 
WA_KOMWCOCOH_LI_STR-ASSIGNMENT sy-vline 
WA_KOMWCOCOH_LI_STR-EXT_PARTNER sy-vline 
WA_KOMWCOCOH_LI_STR-CREATED_BY sy-vline 
WA_KOMWCOCOH_LI_STR-CREATED_ON sy-vline 
WA_KOMWCOCOH_LI_STR-REC_TIME sy-vline 
WA_KOMWCOCOH_LI_STR-EKORG sy-vline 
WA_KOMWCOCOH_LI_STR-EKGRP sy-vline 
WA_KOMWCOCOH_LI_STR-VKORG sy-vline 
WA_KOMWCOCOH_LI_STR-VTWEG sy-vline 
WA_KOMWCOCOH_LI_STR-SPART sy-vline 
WA_KOMWCOCOH_LI_STR-ZTERM sy-vline 
WA_KOMWCOCOH_LI_STR-ZBD1T sy-vline 
WA_KOMWCOCOH_LI_STR-ZBD1P sy-vline 
WA_KOMWCOCOH_LI_STR-ZBD2T sy-vline 
WA_KOMWCOCOH_LI_STR-ZBD2P sy-vline 
WA_KOMWCOCOH_LI_STR-ZBD3T sy-vline 
WA_KOMWCOCOH_LI_STR-ZLSCH sy-vline 
WA_KOMWCOCOH_LI_STR-GUID sy-vline 
WA_KOMWCOCOH_LI_STR-DEACT sy-vline 
WA_KOMWCOCOH_LI_STR-DATE_FROM sy-vline 
WA_KOMWCOCOH_LI_STR-DATE_TO sy-vline 
WA_KOMWCOCOH_LI_STR-ZONLO sy-vline 
WA_KOMWCOCOH_LI_STR-EXT_NUM sy-vline 
WA_KOMWCOCOH_LI_STR-CC_CURR sy-vline 
WA_KOMWCOCOH_LI_STR-RATE sy-vline 
WA_KOMWCOCOH_LI_STR-RATE_DATE sy-vline 
WA_KOMWCOCOH_LI_STR-RATE_TYPE sy-vline 
WA_KOMWCOCOH_LI_STR-VKGRP sy-vline 
WA_KOMWCOCOH_LI_STR-VKBUR sy-vline 
WA_KOMWCOCOH_LI_STR-ACCESS_TYPE sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_MATNR sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_TYPE_VEND sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_CAL_FINAL sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_CAL_PART sy-vline 
WA_KOMWCOCOH_LI_STR-BUKRS sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_TYPE_CUST sy-vline 
WA_KOMWCOCOH_LI_STR-CH_NAME sy-vline 
WA_KOMWCOCOH_LI_STR-CH_DATE sy-vline 
WA_KOMWCOCOH_LI_STR-CH_TIME sy-vline 
WA_KOMWCOCOH_LI_STR-EXTENSION_CAL sy-vline 
WA_KOMWCOCOH_LI_STR-PRED_CC sy-vline 
WA_KOMWCOCOH_LI_STR-CATEGORY sy-vline 
WA_KOMWCOCOH_LI_STR-CC_PURPOSE sy-vline 
WA_KOMWCOCOH_LI_STR-EXT_REF_CAT sy-vline 
WA_KOMWCOCOH_LI_STR-EXT_REF sy-vline 
WA_KOMWCOCOH_LI_STR-KOLIF sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_CAL_DELTA sy-vline 
WA_KOMWCOCOH_LI_STR-BVTAB_GROUP sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_CAL_ACCR sy-vline 
WA_KOMWCOCOH_LI_STR-AF_GROUP sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_MEINS sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_GEWEI sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_VOLEH sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_PUNEI sy-vline 
WA_KOMWCOCOH_LI_STR-ACCRUALS_UPD_REQ sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_CAL_ACCR_ROLLO sy-vline 
WA_KOMWCOCOH_LI_STR-_DATAAGING sy-vline 
WA_KOMWCOCOH_LI_STR-CREATED_ON_TSTMP sy-vline 
WA_KOMWCOCOH_LI_STR-CH_TSTMP sy-vline 
WA_KOMWCOCOH_LI_STR-STCEG sy-vline 
WA_KOMWCOCOH_LI_STR-PERSON_OWNER sy-vline 
WA_KOMWCOCOH_LI_STR-AFSC_GROUP sy-vline 
WA_KOMWCOCOH_LI_STR-TAX_COUNTRY sy-vline 
WA_KOMWCOCOH_LI_STR-PROCESS_VARIANT sy-vline 
WA_KOMWCOCOH_LI_STR-EXT_REF_ITEM sy-vline 
WA_KOMWCOCOH_LI_STR-COCO_DET_REL_CONTR sy-vline 
WA_KOMWCOCOH_LI_STR-TAX_REPORTING_COUNTRY sy-vline 
WA_KOMWCOCOH_LI_STR-SETTL_VARIANT sy-vline 
WA_KOMWCOCOH_LI_STR-OWNER_TYPE sy-vline 
WA_KOMWCOCOH_LI_STR-PROCESS_CATEGORY sy-vline 
WA_KOMWCOCOH_LI_STR-REBATE_TYPE sy-vline 
WA_KOMWCOCOH_LI_STR-SDM_VERSION sy-vline 
WA_KOMWCOCOH_LI_STR-DUMMY_WCOCOH_INCL_EEW_PS sy-vline 
WA_KOMWCOCOH_LI_STR-EXT_GUID sy-vline 
WA_KOMWCOCOH_LI_STR-BEZEI_VEND_OWNER_GT sy-vline 
WA_KOMWCOCOH_LI_STR-NAME1_VEND_GT sy-vline 
WA_KOMWCOCOH_LI_STR-BEZEI_CUST_OWNER_GT sy-vline 
WA_KOMWCOCOH_LI_STR-NAME1_CUST_GT sy-vline 
WA_KOMWCOCOH_LI_STR-SYS_STATUS1_GT sy-vline 
WA_KOMWCOCOH_LI_STR-SYS_STATUS2_GT sy-vline 
WA_KOMWCOCOH_LI_STR-SYS_STATUS3_GT sy-vline 
WA_KOMWCOCOH_LI_STR-SYS_STATUS4_GT sy-vline 
WA_KOMWCOCOH_LI_STR-SYS_STATUS5_GT sy-vline 
WA_KOMWCOCOH_LI_STR-USER_STATUS1_GT sy-vline 
WA_KOMWCOCOH_LI_STR-USER_STATUS2_GT sy-vline 
WA_KOMWCOCOH_LI_STR-USER_STATUS3_GT sy-vline 
WA_KOMWCOCOH_LI_STR-BEZEI_KOLIF_GT sy-vline 
WA_KOMWCOCOH_LI_STR-NAME1_KOLIF_GT sy-vline 
WA_KOMWCOCOH_LI_STR-UI_CHANGE_GT sy-vline 
WA_KOMWCOCOH_LI_STR-CONTRACT_SIDE_GT sy-vline 
WA_KOMWCOCOH_LI_STR-NAME_PERSON_OWNER_GT sy-vline 
WA_KOMWCOCOH_LI_STR-PROCESS_VARIANT_TEXT_GT sy-vline 
WA_KOMWCOCOH_LI_STR-SELKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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