ABAP Select data from SAP table PTH_PIT91_P1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PTH_PIT91_P1 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 PTH_PIT91_P1. 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 PTH_PIT91_P1 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_PTH_PIT91_P1 TYPE STANDARD TABLE OF PTH_PIT91_P1,
      WA_PTH_PIT91_P1 TYPE PTH_PIT91_P1,
      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: <PTH_PIT91_P1> TYPE PTH_PIT91_P1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PTH_PIT91_P1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PTH_PIT91_P1
  INTO TABLE IT_PTH_PIT91_P1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTH_PIT91_P1
*  INTO TABLE @DATA(IT_PTH_PIT91_P12).
*--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_PTH_PIT91_P1 INDEX 1 INTO DATA(WA_PTH_PIT91_P12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PTH_PIT91_P1 ASSIGNING <PTH_PIT91_P1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTH_PIT91_P1>-TAXYR = 1.
<PTH_PIT91_P1>-BDE = 1.
<PTH_PIT91_P1>-ID = 1.
<PTH_PIT91_P1>-STX = 1.
<PTH_PIT91_P1>-G_EMP_SP_DOB_D = 1.

ENDLOOP.

LOOP AT IT_PTH_PIT91_P1 INTO WA_PTH_PIT91_P1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTH_PIT91_P1-G_EMP_SP_DOB_M, sy-vline,
  WA_PTH_PIT91_P1-G_EMP_SP_DOB_Y, sy-vline,
  WA_PTH_PIT91_P1-G_EMP_DOB_D, sy-vline,
  WA_PTH_PIT91_P1-G_EMP_DOB_M, sy-vline,
  WA_PTH_PIT91_P1-G_EMP_DOB_Y, sy-vline,
  WA_PTH_PIT91_P1-NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTH_PIT91_P1 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_PTH_PIT91_P1 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_PTH_PIT91_P1 INTO WA_PTH_PIT91_P1.


*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_PTH_PIT91_P1_STR, 
TAXYR TYPE STRING,
BDE TYPE STRING,
ID TYPE STRING,
STX TYPE STRING,
G_EMP_SP_DOB_D TYPE STRING,
G_EMP_SP_DOB_M TYPE STRING,
G_EMP_SP_DOB_Y TYPE STRING,
G_EMP_DOB_D TYPE STRING,
G_EMP_DOB_M TYPE STRING,
G_EMP_DOB_Y TYPE STRING,
NAME TYPE STRING,
FAMILY_NAME TYPE STRING,
BUILDING TYPE STRING,
ROOM TYPE STRING,
FLOOR TYPE STRING,
VILIAGE TYPE STRING,
ADDRESS_NO TYPE STRING,
MOO TYPE STRING,
ADD_NO TYPE STRING,
ROAD TYPE STRING,
TAMBOL TYPE STRING,
DISTRICT TYPE STRING,
PROVINCE TYPE STRING,
P_CODE TYPE STRING,
TEL_HOME TYPE STRING,
TEL_OFF TYPE STRING,
NORMAL TYPE STRING,
ADDITIONAL TYPE STRING,
SINGLE TYPE STRING,
MARRIED TYPE STRING,
DIVORCED TYPE STRING,
SP_NAME TYPE STRING,
SP_FAMILY_N TYPE STRING,
SP_JOINCAL TYPE STRING,
SP_SEPERATE TYPE STRING,
SP_NOINCOME TYPE STRING,
PASSPORT_NOM TYPE STRING,
G_EMP_SP_NATION TYPE STRING,
COUNTRY TYPE STRING,
ADDL_TAXB TYPE STRING,
ADDL_TAXS TYPE STRING,
OV_TAXB TYPE STRING,
OV_TAXS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTH_PIT91_P1_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_PTH_PIT91_P1_STR-TAXYR sy-vline 
WA_PTH_PIT91_P1_STR-BDE sy-vline 
WA_PTH_PIT91_P1_STR-ID sy-vline 
WA_PTH_PIT91_P1_STR-STX sy-vline 
WA_PTH_PIT91_P1_STR-G_EMP_SP_DOB_D sy-vline 
WA_PTH_PIT91_P1_STR-G_EMP_SP_DOB_M sy-vline 
WA_PTH_PIT91_P1_STR-G_EMP_SP_DOB_Y sy-vline 
WA_PTH_PIT91_P1_STR-G_EMP_DOB_D sy-vline 
WA_PTH_PIT91_P1_STR-G_EMP_DOB_M sy-vline 
WA_PTH_PIT91_P1_STR-G_EMP_DOB_Y sy-vline 
WA_PTH_PIT91_P1_STR-NAME sy-vline 
WA_PTH_PIT91_P1_STR-FAMILY_NAME sy-vline 
WA_PTH_PIT91_P1_STR-BUILDING sy-vline 
WA_PTH_PIT91_P1_STR-ROOM sy-vline 
WA_PTH_PIT91_P1_STR-FLOOR sy-vline 
WA_PTH_PIT91_P1_STR-VILIAGE sy-vline 
WA_PTH_PIT91_P1_STR-ADDRESS_NO sy-vline 
WA_PTH_PIT91_P1_STR-MOO sy-vline 
WA_PTH_PIT91_P1_STR-ADD_NO sy-vline 
WA_PTH_PIT91_P1_STR-ROAD sy-vline 
WA_PTH_PIT91_P1_STR-TAMBOL sy-vline 
WA_PTH_PIT91_P1_STR-DISTRICT sy-vline 
WA_PTH_PIT91_P1_STR-PROVINCE sy-vline 
WA_PTH_PIT91_P1_STR-P_CODE sy-vline 
WA_PTH_PIT91_P1_STR-TEL_HOME sy-vline 
WA_PTH_PIT91_P1_STR-TEL_OFF sy-vline 
WA_PTH_PIT91_P1_STR-NORMAL sy-vline 
WA_PTH_PIT91_P1_STR-ADDITIONAL sy-vline 
WA_PTH_PIT91_P1_STR-SINGLE sy-vline 
WA_PTH_PIT91_P1_STR-MARRIED sy-vline 
WA_PTH_PIT91_P1_STR-DIVORCED sy-vline 
WA_PTH_PIT91_P1_STR-SP_NAME sy-vline 
WA_PTH_PIT91_P1_STR-SP_FAMILY_N sy-vline 
WA_PTH_PIT91_P1_STR-SP_JOINCAL sy-vline 
WA_PTH_PIT91_P1_STR-SP_SEPERATE sy-vline 
WA_PTH_PIT91_P1_STR-SP_NOINCOME sy-vline 
WA_PTH_PIT91_P1_STR-PASSPORT_NOM sy-vline 
WA_PTH_PIT91_P1_STR-G_EMP_SP_NATION sy-vline 
WA_PTH_PIT91_P1_STR-COUNTRY sy-vline 
WA_PTH_PIT91_P1_STR-ADDL_TAXB sy-vline 
WA_PTH_PIT91_P1_STR-ADDL_TAXS sy-vline 
WA_PTH_PIT91_P1_STR-OV_TAXB sy-vline 
WA_PTH_PIT91_P1_STR-OV_TAXS sy-vline      INTO ld_text SEPARATED BY SPACE.

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