ABAP Select data from SAP table ALM_ME_PUSH_LOG_ALV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ALM_ME_PUSH_LOG_ALV
*  INTO TABLE @DATA(IT_ALM_ME_PUSH_LOG_ALV2).
*--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_ALM_ME_PUSH_LOG_ALV INDEX 1 INTO DATA(WA_ALM_ME_PUSH_LOG_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ALM_ME_PUSH_LOG_ALV>-MANDT = 1.
<ALM_ME_PUSH_LOG_ALV>-OBJECTNO = 1.
<ALM_ME_PUSH_LOG_ALV>-COUNTER = 1.
<ALM_ME_PUSH_LOG_ALV>-PLUSER = 1.
<ALM_ME_PUSH_LOG_ALV>-ACTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ALM_ME_PUSH_LOG_ALV-PLDATE, sy-vline,
  WA_ALM_ME_PUSH_LOG_ALV-PLTIME, sy-vline,
  WA_ALM_ME_PUSH_LOG_ALV-PL_ACTION, sy-vline,
  WA_ALM_ME_PUSH_LOG_ALV-BNAME, sy-vline,
  WA_ALM_ME_PUSH_LOG_ALV-NAME1, sy-vline,
  WA_ALM_ME_PUSH_LOG_ALV-NAME2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ALM_ME_PUSH_LOG_ALV 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_ALM_ME_PUSH_LOG_ALV 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_ALM_ME_PUSH_LOG_ALV INTO WA_ALM_ME_PUSH_LOG_ALV.


*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_ALM_ME_PUSH_LOG_ALV_STR, 
MANDT TYPE STRING,
OBJECTNO TYPE STRING,
COUNTER TYPE STRING,
PLUSER TYPE STRING,
ACTION TYPE STRING,
PLDATE TYPE STRING,
PLTIME TYPE STRING,
PL_ACTION TYPE STRING,
BNAME TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
STRAS TYPE STRING,
PFACH TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
TELNR TYPE STRING,
TEL01 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ALM_ME_PUSH_LOG_ALV_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_ALM_ME_PUSH_LOG_ALV_STR-MANDT sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-OBJECTNO sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-COUNTER sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-PLUSER sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-ACTION sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-PLDATE sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-PLTIME sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-PL_ACTION sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-BNAME sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-NAME1 sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-NAME2 sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-NAME3 sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-STRAS sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-PFACH sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-PSTLZ sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-ORT01 sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-TELNR sy-vline 
WA_ALM_ME_PUSH_LOG_ALV_STR-TEL01 sy-vline      INTO ld_text SEPARATED BY SPACE.

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