ABAP Select data from SAP table PES_SUFORM_I190_CERET_DESC_ASC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PES_SUFORM_I190_CERET_DESC_ASC 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 PES_SUFORM_I190_CERET_DESC_ASC. 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 PES_SUFORM_I190_CERET_DESC_ASC 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_PES_SUFORM_I190_CERET_DESC_ASC TYPE STANDARD TABLE OF PES_SUFORM_I190_CERET_DESC_ASC,
      WA_PES_SUFORM_I190_CERET_DESC_ASC TYPE PES_SUFORM_I190_CERET_DESC_ASC,
      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: <PES_SUFORM_I190_CERET_DESC_ASC> TYPE PES_SUFORM_I190_CERET_DESC_ASC.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PES_SUFORM_I190_CERET_DESC_ASC.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PES_SUFORM_I190_CERET_DESC_ASC
  INTO TABLE IT_PES_SUFORM_I190_CERET_DESC_ASC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PES_SUFORM_I190_CERET_DESC_ASC
*  INTO TABLE @DATA(IT_PES_SUFORM_I190_CERET_DESC_ASC2).
*--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_PES_SUFORM_I190_CERET_DESC_ASC INDEX 1 INTO DATA(WA_PES_SUFORM_I190_CERET_DESC_ASC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PES_SUFORM_I190_CERET_DESC_ASC ASSIGNING <PES_SUFORM_I190_CERET_DESC_ASC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PES_SUFORM_I190_CERET_DESC_ASC>-A_NAC = 1.
<PES_SUFORM_I190_CERET_DESC_ASC>-DISCA = 1.
<PES_SUFORM_I190_CERET_DESC_ASC>-SIT_FAM = 1.
<PES_SUFORM_I190_CERET_DESC_ASC>-NIF_CONY = 1.
<PES_SUFORM_I190_CERET_DESC_ASC>-PECOM = 1.

ENDLOOP.

LOOP AT IT_PES_SUFORM_I190_CERET_DESC_ASC INTO WA_PES_SUFORM_I190_CERET_DESC_ASC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PES_SUFORM_I190_CERET_DESC_ASC-ALIME, sy-vline,
  WA_PES_SUFORM_I190_CERET_DESC_ASC-PROLACTLAB, sy-vline,
  WA_PES_SUFORM_I190_CERET_DESC_ASC-MOV_GEOG, sy-vline,
  WA_PES_SUFORM_I190_CERET_DESC_ASC-HIJOS_0_2, sy-vline,
  WA_PES_SUFORM_I190_CERET_DESC_ASC-HIJOS_0_2_E, sy-vline,
  WA_PES_SUFORM_I190_CERET_DESC_ASC-HIJOS_3_24, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PES_SUFORM_I190_CERET_DESC_ASC 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_PES_SUFORM_I190_CERET_DESC_ASC 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_PES_SUFORM_I190_CERET_DESC_ASC INTO WA_PES_SUFORM_I190_CERET_DESC_ASC.


*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_PES_SUFORM_I190_CERET_DESC_ASC_STR, 
A_NAC TYPE STRING,
DISCA TYPE STRING,
SIT_FAM TYPE STRING,
NIF_CONY TYPE STRING,
PECOM TYPE STRING,
ALIME TYPE STRING,
PROLACTLAB TYPE STRING,
MOV_GEOG TYPE STRING,
HIJOS_0_2 TYPE STRING,
HIJOS_0_2_E TYPE STRING,
HIJOS_3_24 TYPE STRING,
HIJOS_3_24_E TYPE STRING,
DESC_33_65 TYPE STRING,
DESC_33_65_E TYPE STRING,
DESC_65 TYPE STRING,
DESC_65_E TYPE STRING,
DESC_ASIST TYPE STRING,
DESC_ASIST_E TYPE STRING,
ASC_75 TYPE STRING,
ASC_75_E TYPE STRING,
ASC_65 TYPE STRING,
ASC_65_E TYPE STRING,
ASCM_33_65 TYPE STRING,
ASCM_33_65_E TYPE STRING,
ASCM_65 TYPE STRING,
ASCM_65_E TYPE STRING,
ASCM_ASIST TYPE STRING,
ASCM_ASIST_E TYPE STRING,
NOHIJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PES_SUFORM_I190_CERET_DESC_ASC_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_PES_SUFORM_I190_CERET_DESC_ASC_STR-A_NAC sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-DISCA sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-SIT_FAM sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-NIF_CONY sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-PECOM sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-ALIME sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-PROLACTLAB sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-MOV_GEOG sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-HIJOS_0_2 sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-HIJOS_0_2_E sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-HIJOS_3_24 sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-HIJOS_3_24_E sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-DESC_33_65 sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-DESC_33_65_E sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-DESC_65 sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-DESC_65_E sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-DESC_ASIST sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-DESC_ASIST_E sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-ASC_75 sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-ASC_75_E sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-ASC_65 sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-ASC_65_E sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-ASCM_33_65 sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-ASCM_33_65_E sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-ASCM_65 sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-ASCM_65_E sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-ASCM_ASIST sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-ASCM_ASIST_E sy-vline 
WA_PES_SUFORM_I190_CERET_DESC_ASC_STR-NOHIJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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