ABAP Select data from SAP table PS3214_MANSS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS3214_MANSS 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 PS3214_MANSS. 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 PS3214_MANSS 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_PS3214_MANSS TYPE STANDARD TABLE OF PS3214_MANSS,
      WA_PS3214_MANSS TYPE PS3214_MANSS,
      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: <PS3214_MANSS> TYPE PS3214_MANSS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS3214_MANSS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS3214_MANSS
  INTO TABLE IT_PS3214_MANSS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS3214_MANSS
*  INTO TABLE @DATA(IT_PS3214_MANSS2).
*--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_PS3214_MANSS INDEX 1 INTO DATA(WA_PS3214_MANSS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS3214_MANSS ASSIGNING <PS3214_MANSS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS3214_MANSS>-IND00 = 1.
<PS3214_MANSS>-WERMS = 1.
<PS3214_MANSS>-BTRMS = 1.
<PS3214_MANSS>-PLAMS = 1.
<PS3214_MANSS>-STEMS = 1.

ENDLOOP.

LOOP AT IT_PS3214_MANSS INTO WA_PS3214_MANSS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS3214_MANSS-TRFGR_S, sy-vline,
  WA_PS3214_MANSS-LGM01, sy-vline,
  WA_PS3214_MANSS-INDM1, sy-vline,
  WA_PS3214_MANSS-LGM02, sy-vline,
  WA_PS3214_MANSS-INDM2, sy-vline,
  WA_PS3214_MANSS-LGM03, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS3214_MANSS 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_PS3214_MANSS 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_PS3214_MANSS INTO WA_PS3214_MANSS.


*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_PS3214_MANSS_STR, 
IND00 TYPE STRING,
WERMS TYPE STRING,
BTRMS TYPE STRING,
PLAMS TYPE STRING,
STEMS TYPE STRING,
TRFGR_S TYPE STRING,
LGM01 TYPE STRING,
INDM1 TYPE STRING,
LGM02 TYPE STRING,
INDM2 TYPE STRING,
LGM03 TYPE STRING,
INDM3 TYPE STRING,
LGM04 TYPE STRING,
INDM4 TYPE STRING,
LGM05 TYPE STRING,
INDM5 TYPE STRING,
LGM06 TYPE STRING,
INDM6 TYPE STRING,
LGM07 TYPE STRING,
INDM7 TYPE STRING,
LGM08 TYPE STRING,
INDM8 TYPE STRING,
LGM09 TYPE STRING,
INDM9 TYPE STRING,
LGM10 TYPE STRING,
INDM10 TYPE STRING,
LGM11 TYPE STRING,
INDM11 TYPE STRING,
LGM12 TYPE STRING,
INDM12 TYPE STRING,
LGM13 TYPE STRING,
INDM13 TYPE STRING,
LGM14 TYPE STRING,
INDM14 TYPE STRING,
LGM15 TYPE STRING,
INDM15 TYPE STRING,
LGM16 TYPE STRING,
INDM16 TYPE STRING,
LGM17 TYPE STRING,
INDM17 TYPE STRING,
LGM18 TYPE STRING,
INDM18 TYPE STRING,
LGM19 TYPE STRING,
INDM19 TYPE STRING,
LGM20 TYPE STRING,
INDM20 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS3214_MANSS_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_PS3214_MANSS_STR-IND00 sy-vline 
WA_PS3214_MANSS_STR-WERMS sy-vline 
WA_PS3214_MANSS_STR-BTRMS sy-vline 
WA_PS3214_MANSS_STR-PLAMS sy-vline 
WA_PS3214_MANSS_STR-STEMS sy-vline 
WA_PS3214_MANSS_STR-TRFGR_S sy-vline 
WA_PS3214_MANSS_STR-LGM01 sy-vline 
WA_PS3214_MANSS_STR-INDM1 sy-vline 
WA_PS3214_MANSS_STR-LGM02 sy-vline 
WA_PS3214_MANSS_STR-INDM2 sy-vline 
WA_PS3214_MANSS_STR-LGM03 sy-vline 
WA_PS3214_MANSS_STR-INDM3 sy-vline 
WA_PS3214_MANSS_STR-LGM04 sy-vline 
WA_PS3214_MANSS_STR-INDM4 sy-vline 
WA_PS3214_MANSS_STR-LGM05 sy-vline 
WA_PS3214_MANSS_STR-INDM5 sy-vline 
WA_PS3214_MANSS_STR-LGM06 sy-vline 
WA_PS3214_MANSS_STR-INDM6 sy-vline 
WA_PS3214_MANSS_STR-LGM07 sy-vline 
WA_PS3214_MANSS_STR-INDM7 sy-vline 
WA_PS3214_MANSS_STR-LGM08 sy-vline 
WA_PS3214_MANSS_STR-INDM8 sy-vline 
WA_PS3214_MANSS_STR-LGM09 sy-vline 
WA_PS3214_MANSS_STR-INDM9 sy-vline 
WA_PS3214_MANSS_STR-LGM10 sy-vline 
WA_PS3214_MANSS_STR-INDM10 sy-vline 
WA_PS3214_MANSS_STR-LGM11 sy-vline 
WA_PS3214_MANSS_STR-INDM11 sy-vline 
WA_PS3214_MANSS_STR-LGM12 sy-vline 
WA_PS3214_MANSS_STR-INDM12 sy-vline 
WA_PS3214_MANSS_STR-LGM13 sy-vline 
WA_PS3214_MANSS_STR-INDM13 sy-vline 
WA_PS3214_MANSS_STR-LGM14 sy-vline 
WA_PS3214_MANSS_STR-INDM14 sy-vline 
WA_PS3214_MANSS_STR-LGM15 sy-vline 
WA_PS3214_MANSS_STR-INDM15 sy-vline 
WA_PS3214_MANSS_STR-LGM16 sy-vline 
WA_PS3214_MANSS_STR-INDM16 sy-vline 
WA_PS3214_MANSS_STR-LGM17 sy-vline 
WA_PS3214_MANSS_STR-INDM17 sy-vline 
WA_PS3214_MANSS_STR-LGM18 sy-vline 
WA_PS3214_MANSS_STR-INDM18 sy-vline 
WA_PS3214_MANSS_STR-LGM19 sy-vline 
WA_PS3214_MANSS_STR-INDM19 sy-vline 
WA_PS3214_MANSS_STR-LGM20 sy-vline 
WA_PS3214_MANSS_STR-INDM20 sy-vline      INTO ld_text SEPARATED BY SPACE.

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