ABAP Select data from SAP table SMI_S_MASS_SOCIALPOSTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SMI_S_MASS_SOCIALPOSTS
*  INTO TABLE @DATA(IT_SMI_S_MASS_SOCIALPOSTS2).
*--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_SMI_S_MASS_SOCIALPOSTS INDEX 1 INTO DATA(WA_SMI_S_MASS_SOCIALPOSTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SMI_S_MASS_SOCIALPOSTS>-SOCIALPOST = 1.
<SMI_S_MASS_SOCIALPOSTS>-LANGUAGE = 1.
<SMI_S_MASS_SOCIALPOSTS>-SOCIALMEDIACHANNEL = 1.
<SMI_S_MASS_SOCIALPOSTS>-CREATEDBYUSER = 1.
<SMI_S_MASS_SOCIALPOSTS>-CREATIONDATETIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SMI_S_MASS_SOCIALPOSTS-SOCIALPOSTTYPE, sy-vline,
  WA_SMI_S_MASS_SOCIALPOSTS-SOCIALPOSTLINK, sy-vline,
  WA_SMI_S_MASS_SOCIALPOSTS-NUMBEROFPOSITIVEVOTES, sy-vline,
  WA_SMI_S_MASS_SOCIALPOSTS-LOCATIONNAME, sy-vline,
  WA_SMI_S_MASS_SOCIALPOSTS-COUNTRYNAME, sy-vline,
  WA_SMI_S_MASS_SOCIALPOSTS-LONGITUDEMEASURE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SMI_S_MASS_SOCIALPOSTS 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_SMI_S_MASS_SOCIALPOSTS 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_SMI_S_MASS_SOCIALPOSTS INTO WA_SMI_S_MASS_SOCIALPOSTS.


*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_SMI_S_MASS_SOCIALPOSTS_STR, 
SOCIALPOST TYPE STRING,
LANGUAGE TYPE STRING,
SOCIALMEDIACHANNEL TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
SOCIALPOSTTYPE TYPE STRING,
SOCIALPOSTLINK TYPE STRING,
NUMBEROFPOSITIVEVOTES TYPE STRING,
LOCATIONNAME TYPE STRING,
COUNTRYNAME TYPE STRING,
LONGITUDEMEASURE TYPE STRING,
LATITUDEMEASURE TYPE STRING,
SOCIALPOSTCATEGORY TYPE STRING,
CREATIONUSERNAME TYPE STRING,
SOCIALPOSTRETRIVEDBYUSER TYPE STRING,
SOCIALPOSTSEARCHTERMTEXT TYPE STRING,
SOCIALPOSTTEXT TYPE STRING,
CREATIONDATETIME_UTC TYPE STRING,
SOCIALPOSTPARENT TYPE STRING,
SOCIALPOSTROOT TYPE STRING,
COUNTRYCODE TYPE STRING,
SOCIALDATARETRIEVALMODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SMI_S_MASS_SOCIALPOSTS_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_SMI_S_MASS_SOCIALPOSTS_STR-SOCIALPOST sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-LANGUAGE sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-SOCIALMEDIACHANNEL sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-CREATEDBYUSER sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-CREATIONDATETIME sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-SOCIALPOSTTYPE sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-SOCIALPOSTLINK sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-NUMBEROFPOSITIVEVOTES sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-LOCATIONNAME sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-COUNTRYNAME sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-LONGITUDEMEASURE sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-LATITUDEMEASURE sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-SOCIALPOSTCATEGORY sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-CREATIONUSERNAME sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-SOCIALPOSTRETRIVEDBYUSER sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-SOCIALPOSTSEARCHTERMTEXT sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-SOCIALPOSTTEXT sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-CREATIONDATETIME_UTC sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-SOCIALPOSTPARENT sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-SOCIALPOSTROOT sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-COUNTRYCODE sy-vline 
WA_SMI_S_MASS_SOCIALPOSTS_STR-SOCIALDATARETRIEVALMODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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