ABAP Select data from SAP table CSIS_AWS_ADMIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSIS_AWS_ADMIN
*  INTO TABLE @DATA(IT_CSIS_AWS_ADMIN2).
*--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_CSIS_AWS_ADMIN INDEX 1 INTO DATA(WA_CSIS_AWS_ADMIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSIS_AWS_ADMIN>-ACCOUNT_NAME = 1.
<CSIS_AWS_ADMIN>-PROVIDER_NAME = 1.
<CSIS_AWS_ADMIN>-INSTANCE_TYPE = 1.
<CSIS_AWS_ADMIN>-KEY_PAIR = 1.
<CSIS_AWS_ADMIN>-SECURITY_GROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSIS_AWS_ADMIN-AVAILABILITY_ZONE, sy-vline,
  WA_CSIS_AWS_ADMIN-REGION, sy-vline,
  WA_CSIS_AWS_ADMIN-IMAGE_ID, sy-vline,
  WA_CSIS_AWS_ADMIN-ON_DEMAND, sy-vline,
  WA_CSIS_AWS_ADMIN-SUPPORT_PATH, sy-vline,
  WA_CSIS_AWS_ADMIN-INSTANCE_COUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSIS_AWS_ADMIN 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_CSIS_AWS_ADMIN 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_CSIS_AWS_ADMIN INTO WA_CSIS_AWS_ADMIN.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CSIS_AWS_ADMIN_STR, 
ACCOUNT_NAME TYPE STRING,
PROVIDER_NAME TYPE STRING,
INSTANCE_TYPE TYPE STRING,
KEY_PAIR TYPE STRING,
SECURITY_GROUP TYPE STRING,
AVAILABILITY_ZONE TYPE STRING,
REGION TYPE STRING,
IMAGE_ID TYPE STRING,
ON_DEMAND TYPE STRING,
SUPPORT_PATH TYPE STRING,
INSTANCE_COUNT TYPE STRING,
OWN_IMAGE TYPE STRING,
SUPPORT_STORE TYPE STRING,
ELASTIC_IP TYPE STRING,
EBS_VOLUME_ID TYPE STRING,
SUBNET_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSIS_AWS_ADMIN_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_CSIS_AWS_ADMIN_STR-ACCOUNT_NAME sy-vline 
WA_CSIS_AWS_ADMIN_STR-PROVIDER_NAME sy-vline 
WA_CSIS_AWS_ADMIN_STR-INSTANCE_TYPE sy-vline 
WA_CSIS_AWS_ADMIN_STR-KEY_PAIR sy-vline 
WA_CSIS_AWS_ADMIN_STR-SECURITY_GROUP sy-vline 
WA_CSIS_AWS_ADMIN_STR-AVAILABILITY_ZONE sy-vline 
WA_CSIS_AWS_ADMIN_STR-REGION sy-vline 
WA_CSIS_AWS_ADMIN_STR-IMAGE_ID sy-vline 
WA_CSIS_AWS_ADMIN_STR-ON_DEMAND sy-vline 
WA_CSIS_AWS_ADMIN_STR-SUPPORT_PATH sy-vline 
WA_CSIS_AWS_ADMIN_STR-INSTANCE_COUNT sy-vline 
WA_CSIS_AWS_ADMIN_STR-OWN_IMAGE sy-vline 
WA_CSIS_AWS_ADMIN_STR-SUPPORT_STORE sy-vline 
WA_CSIS_AWS_ADMIN_STR-ELASTIC_IP sy-vline 
WA_CSIS_AWS_ADMIN_STR-EBS_VOLUME_ID sy-vline 
WA_CSIS_AWS_ADMIN_STR-SUBNET_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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