ABAP Select data from SAP table CRMS4S_SOM_MASTR_AGRMN_CRT_API into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMS4S_SOM_MASTR_AGRMN_CRT_API 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 CRMS4S_SOM_MASTR_AGRMN_CRT_API. 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 CRMS4S_SOM_MASTR_AGRMN_CRT_API 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_CRMS4S_SOM_MASTR_AGRMN_CRT_API TYPE STANDARD TABLE OF CRMS4S_SOM_MASTR_AGRMN_CRT_API,
      WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API TYPE CRMS4S_SOM_MASTR_AGRMN_CRT_API,
      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: <CRMS4S_SOM_MASTR_AGRMN_CRT_API> TYPE CRMS4S_SOM_MASTR_AGRMN_CRT_API.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CRMS4S_SOM_MASTR_AGRMN_CRT_API.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CRMS4S_SOM_MASTR_AGRMN_CRT_API
  INTO TABLE IT_CRMS4S_SOM_MASTR_AGRMN_CRT_API.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMS4S_SOM_MASTR_AGRMN_CRT_API
*  INTO TABLE @DATA(IT_CRMS4S_SOM_MASTR_AGRMN_CRT_API2).
*--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_CRMS4S_SOM_MASTR_AGRMN_CRT_API INDEX 1 INTO DATA(WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CRMS4S_SOM_MASTR_AGRMN_CRT_API ASSIGNING <CRMS4S_SOM_MASTR_AGRMN_CRT_API>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMS4S_SOM_MASTR_AGRMN_CRT_API>-GEN_DATA = 1.
<CRMS4S_SOM_MASTR_AGRMN_CRT_API>-MASTER_AGR_PARTNER = 1.
<CRMS4S_SOM_MASTR_AGRMN_CRT_API>-MASTER_AGR_ADDR_NR = 1.
<CRMS4S_SOM_MASTR_AGRMN_CRT_API>-CONTACT_PERSON = 1.
<CRMS4S_SOM_MASTR_AGRMN_CRT_API>-EMPLOYEE = 1.

ENDLOOP.

LOOP AT IT_CRMS4S_SOM_MASTR_AGRMN_CRT_API INTO WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-SALES_ORG, sy-vline,
  WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-SALES_OFFICE, sy-vline,
  WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-SALES_GROUP, sy-vline,
  WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-DIS_CHANNEL, sy-vline,
  WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-DIVISION, sy-vline,
  WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-PROCESS_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API 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_CRMS4S_SOM_MASTR_AGRMN_CRT_API 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_CRMS4S_SOM_MASTR_AGRMN_CRT_API INTO WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API.


*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 MASTER_AGR_PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-MASTER_AGR_PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-MASTER_AGR_PARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MASTER_AGR_ADDR_NR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-MASTER_AGR_ADDR_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-MASTER_AGR_ADDR_NR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONTACT_PERSON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-CONTACT_PERSON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-CONTACT_PERSON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EMPLOYEE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-EMPLOYEE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-EMPLOYEE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CONTRACT_START_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-CONTRACT_START_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-CONTRACT_START_DATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CONTRACT_END_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-CONTRACT_END_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API-CONTRACT_END_DATE.
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_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR, 
GEN_DATA TYPE STRING,
MASTER_AGR_PARTNER TYPE STRING,
MASTER_AGR_ADDR_NR TYPE STRING,
CONTACT_PERSON TYPE STRING,
EMPLOYEE TYPE STRING,
SALES_ORG TYPE STRING,
SALES_OFFICE TYPE STRING,
SALES_GROUP TYPE STRING,
DIS_CHANNEL TYPE STRING,
DIVISION TYPE STRING,
PROCESS_TYPE TYPE STRING,
CONTRACT_START_DATE TYPE STRING,
TIMEZONE TYPE STRING,
CONTRACT_VALIDITY_PERIOD TYPE STRING,
DURATION_UNIT TYPE STRING,
CONTRACT_END_DATE TYPE STRING,
SERV_H_DUMMY_PS TYPE STRING,
ITEMS TYPE STRING,
ALT_PARTNERS TYPE STRING,
AC_ASSIGN TYPE STRING,
ITEM_CONFIG TYPE STRING,
CUSTOM_TEXT TYPE STRING,
SHARING_OBJECTS TYPE STRING,
MAPPING_TABLES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_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_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-GEN_DATA sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-MASTER_AGR_PARTNER sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-MASTER_AGR_ADDR_NR sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-CONTACT_PERSON sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-EMPLOYEE sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-SALES_ORG sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-SALES_OFFICE sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-SALES_GROUP sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-DIS_CHANNEL sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-DIVISION sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-PROCESS_TYPE sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-CONTRACT_START_DATE sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-TIMEZONE sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-CONTRACT_VALIDITY_PERIOD sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-DURATION_UNIT sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-CONTRACT_END_DATE sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-SERV_H_DUMMY_PS sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-ITEMS sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-ALT_PARTNERS sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-AC_ASSIGN sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-ITEM_CONFIG sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-CUSTOM_TEXT sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-SHARING_OBJECTS sy-vline 
WA_CRMS4S_SOM_MASTR_AGRMN_CRT_API_STR-MAPPING_TABLES sy-vline      INTO ld_text SEPARATED BY SPACE.

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