ABAP Select data from SAP table ESH_GL_ACCT_IN_COCD_H_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_GL_ACCT_IN_COCD_H_S
*  INTO TABLE @DATA(IT_ESH_GL_ACCT_IN_COCD_H_S2).
*--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_ESH_GL_ACCT_IN_COCD_H_S INDEX 1 INTO DATA(WA_ESH_GL_ACCT_IN_COCD_H_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_GL_ACCT_IN_COCD_H_S>-BUKRS = 1.
<ESH_GL_ACCT_IN_COCD_H_S>-BUTXT = 1.
<ESH_GL_ACCT_IN_COCD_H_S>-SAKNR = 1.
<ESH_GL_ACCT_IN_COCD_H_S>-BUSAB = 1.
<ESH_GL_ACCT_IN_COCD_H_S>-WAERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_GL_ACCT_IN_COCD_H_S-MWSKZ, sy-vline,
  WA_ESH_GL_ACCT_IN_COCD_H_S-ALTKT, sy-vline,
  WA_ESH_GL_ACCT_IN_COCD_H_S-TOGRU, sy-vline,
  WA_ESH_GL_ACCT_IN_COCD_H_S-XOPVW, sy-vline,
  WA_ESH_GL_ACCT_IN_COCD_H_S-FSTAG, sy-vline,
  WA_ESH_GL_ACCT_IN_COCD_H_S-KTOPL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_GL_ACCT_IN_COCD_H_S 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_ESH_GL_ACCT_IN_COCD_H_S 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_ESH_GL_ACCT_IN_COCD_H_S INTO WA_ESH_GL_ACCT_IN_COCD_H_S.


*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.

*Conversion exit ALPHA, internal->external for field SAKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_GL_ACCT_IN_COCD_H_S-SAKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_GL_ACCT_IN_COCD_H_S-SAKNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALTKT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_GL_ACCT_IN_COCD_H_S-ALTKT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_GL_ACCT_IN_COCD_H_S-ALTKT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ESH_GL_ACCT_IN_COCD_H_S_STR, 
BUKRS TYPE STRING,
BUTXT TYPE STRING,
SAKNR TYPE STRING,
BUSAB TYPE STRING,
WAERS TYPE STRING,
MWSKZ TYPE STRING,
ALTKT TYPE STRING,
TOGRU TYPE STRING,
XOPVW TYPE STRING,
FSTAG TYPE STRING,
KTOPL TYPE STRING,
MITKZ TYPE STRING,
KTPLT TYPE STRING,
FSTTX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_GL_ACCT_IN_COCD_H_S_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_ESH_GL_ACCT_IN_COCD_H_S_STR-BUKRS sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-BUTXT sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-SAKNR sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-BUSAB sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-WAERS sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-MWSKZ sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-ALTKT sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-TOGRU sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-XOPVW sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-FSTAG sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-KTOPL sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-MITKZ sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-KTPLT sy-vline 
WA_ESH_GL_ACCT_IN_COCD_H_S_STR-FSTTX sy-vline      INTO ld_text SEPARATED BY SPACE.

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