ABAP Select data from SAP table PMY_EA_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMY_EA_DATA
*  INTO TABLE @DATA(IT_PMY_EA_DATA2).
*--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_PMY_EA_DATA INDEX 1 INTO DATA(WA_PMY_EA_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMY_EA_DATA>-PERNR = 1.
<PMY_EA_DATA>-INDEX = 1.
<PMY_EA_DATA>-FORM_DATA = 1.
<PMY_EA_DATA>-PDF_DATA = 1.
<PMY_EA_DATA>-DATA_TAB = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMY_EA_DATA-PERNR, sy-vline,
  WA_PMY_EA_DATA-SEQNR, sy-vline,
  WA_PMY_EA_DATA-STATUS, sy-vline,
  WA_PMY_EA_DATA-TNOER, sy-vline,
  WA_PMY_EA_DATA-TNOEE, sy-vline,
  WA_PMY_EA_DATA-TXOFF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMY_EA_DATA 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_PMY_EA_DATA 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_PMY_EA_DATA INTO WA_PMY_EA_DATA.


*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_PMY_EA_DATA_STR, 
PERNR TYPE STRING,
INDEX TYPE STRING,
FORM_DATA TYPE STRING,
PDF_DATA TYPE STRING,
DATA_TAB TYPE STRING,
PERNR TYPE STRING,
SEQNR TYPE STRING,
STATUS TYPE STRING,
TNOER TYPE STRING,
TNOEE TYPE STRING,
TXOFF TYPE STRING,
LANGTEXT1 TYPE STRING,
LANGTEXT2 TYPE STRING,
LANGTEXT3 TYPE STRING,
LANGTEXT4 TYPE STRING,
SORTEXT TYPE STRING,
STELLE TYPE STRING,
EMP_NAM TYPE STRING,
SEQNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMY_EA_DATA_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_PMY_EA_DATA_STR-PERNR sy-vline 
WA_PMY_EA_DATA_STR-INDEX sy-vline 
WA_PMY_EA_DATA_STR-FORM_DATA sy-vline 
WA_PMY_EA_DATA_STR-PDF_DATA sy-vline 
WA_PMY_EA_DATA_STR-DATA_TAB sy-vline 
WA_PMY_EA_DATA_STR-PERNR sy-vline 
WA_PMY_EA_DATA_STR-SEQNR sy-vline 
WA_PMY_EA_DATA_STR-STATUS sy-vline 
WA_PMY_EA_DATA_STR-TNOER sy-vline 
WA_PMY_EA_DATA_STR-TNOEE sy-vline 
WA_PMY_EA_DATA_STR-TXOFF sy-vline 
WA_PMY_EA_DATA_STR-LANGTEXT1 sy-vline 
WA_PMY_EA_DATA_STR-LANGTEXT2 sy-vline 
WA_PMY_EA_DATA_STR-LANGTEXT3 sy-vline 
WA_PMY_EA_DATA_STR-LANGTEXT4 sy-vline 
WA_PMY_EA_DATA_STR-SORTEXT sy-vline 
WA_PMY_EA_DATA_STR-STELLE sy-vline 
WA_PMY_EA_DATA_STR-EMP_NAM sy-vline 
WA_PMY_EA_DATA_STR-SEQNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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