- SAP ABAP
- What is SAP ABAP
- SAP ABAP Data Dictionary and Domain
- SAP ABAP Data Element
- SAP ABAP Database Table
- SAP ABAP Database tables and views
- SAP ABAP Foreign Key
- SAP ABAP Indexes
- SAP ABAP Structure
- SAP ABAP Package
- SAP ABAP Adding Fields to SAP Standard Table
- SAP ABAP Internal Table and Database Table
- SAP ABAP Select Option and Parameter
- SAP ABAP Types of Internal Table
- SAP ABAP ways of Declaring Internal Tables
- SAP ABAP Mastering Initialization Technique
- SAP ABAP Operations on Internal Table
- SAP ABAP Record Retrieval
- SAP ABAP Insert, Modify and Delete data in the Internal table by using Keywords
- SAP ABAP Sorting and Removing Adjacent Duplicates
- SAP ABAP Seamless Data Transfer Between Internal Tables
- SAP ABAP Search Help Types
- SAP ABAP Lock Objects and Types
- SAP ABAP Buffering and Its Types
- SAP ABAP TMG
- SAP ABAP Table Types
- SAP ABAP Views
- SAP ABAP Control Break Statement
- SAP ABAP COMMIT and ROLLBACK
- SAP ABAP Joins
- SAP For All Entries
- SAP ABAP Procedure to Fill Final Internal Table
- SAP ABAP Modularization
- SAP ABAP Function Group and Function Module
- SAP ABAP SELECT Options
24DDIC2807 – Seamless Data Transfer Between Internal Tables in ABAP
Transferring data between internal tables with similar structures is a common requirement in ABAP programming. Whether you are migrating data for processing or simply organizing it into different tables, understanding the efficient methods to perform this operation is essential. This blog post explores how to transfer data from one internal table to another when both tables share the same structure.
Understanding Internal Tables
Internal tables are fundamental in ABAP for managing data in memory. They allow you to store and manipulate data dynamically. When dealing with data transfer between internal tables with similar structures you need to ensure that both tables are defined with the same structure or type.
Transfer Methods
There are several methods to transfer data between similar internal tables in ABAP. Here we will cover three primary methods: using `APPEND`, `INSERT`, and the `MOVE-CORRESPONDING` statement.
Method 1: Using ‘APPEND’
The ‘APPEND’ statement is used to add data from one internal table to another. This method is ideal when you want to copy all entries from one table to another.
Example:
DATA: lt_source_table TYPE TABLE OF my_structure,
lt_target_table TYPE TABLE OF my_structure,
ls_data TYPE my_structure.
” Assume lt_source_table is populated with data
LOOP AT lt_source_table INTO ls_data.
APPEND ls_data TO lt_target_table.
ENDLOOP.
In this example, ‘lt_source_table’ is the source table containing data. The ‘LOOP’ statement iterates over each entry in the source table and uses ‘APPEND’ to add each entry to ‘lt_target_table’.
Method 2: Using `INSERT`
If you prefer to use ‘INSERT’, it provides a similar outcome as ‘APPEND’ but can be used for more controlled operations.
Example:
DATA: lt_source_table TYPE TABLE OF my_structure,
lt_target_table TYPE TABLE OF my_structure,
ls_data TYPE my_structure.
” Assume lt_source_table is populated with data
LOOP AT lt_source_table INTO ls_data.
INSERT ls_data INTO TABLE lt_target_table.
ENDLOOP.
Here ‘INSERT’ is used to add each entry from ‘lt_source_table’ into ‘lt_target_table’. This method provides the flexibility to handle different scenarios such as inserting at specific positions or with conditions.
Method 3: Using ‘MOVE-CORRESPONDING’
The ‘MOVE-CORRESPONDING’ statement allows for transferring data between internal tables with similar structures in one go. It is useful when you want to copy entire tables without looping through each entry manually.
Example:
DATA: lt_source_table TYPE TABLE OF my_structure,
lt_target_table TYPE TABLE OF my_structure.
” Assume lt_source_table is populated with data
MOVE-CORRESPONDING lt_source_table TO lt_target_table.
This statement directly transfers all entries from ‘lt_source_table’ to ‘lt_target_table’. It is efficient and straightforward for tables with the same structure.
Complete Example
Here’s a complete example demonstrating how to transfer data from one internal table to another:
DATA: lt_source_table TYPE TABLE OF my_structure,
lt_target_table TYPE TABLE OF my_structure,
ls_data TYPE my_structure.
” Populate lt_source_table with sample data
ls_data-field1 = ‘Value1’.
ls_data-field2 = ‘ValueA’.
APPEND ls_data TO lt_source_table.
ls_data-field1 = ‘Value2’.
ls_data-field2 = ‘ValueB’.
APPEND ls_data TO lt_source_table.
” Transfer data to lt_target_table
LOOP AT lt_source_table INTO ls_data.
APPEND ls_data TO lt_target_table.
ENDLOOP.
” lt_target_table now contains the data from lt_source_table
Author : Aniket Pawar, 9373518385
24DDIC2807 – Seamless Data Transfer Between Internal Tables in ABAP
Transferring data between internal tables with similar structures is a common requirement in ABAP programming. Whether you are migrating data for processing or simply organizing it into different tables, understanding the efficient methods to perform this operation is essential. This blog post explores how to transfer data from one internal table to another when both tables share the same structure.
Understanding Internal Tables
Internal tables are fundamental in ABAP for managing data in memory. They allow you to store and manipulate data dynamically. When dealing with data transfer between internal tables with similar structures you need to ensure that both tables are defined with the same structure or type.
Transfer Methods
There are several methods to transfer data between similar internal tables in ABAP. Here we will cover three primary methods: using `APPEND`, `INSERT`, and the `MOVE-CORRESPONDING` statement.
Method 1: Using ‘APPEND’
The ‘APPEND’ statement is used to add data from one internal table to another. This method is ideal when you want to copy all entries from one table to another.
Example:
DATA: lt_source_table TYPE TABLE OF my_structure,
lt_target_table TYPE TABLE OF my_structure,
ls_data TYPE my_structure.
” Assume lt_source_table is populated with data
LOOP AT lt_source_table INTO ls_data.
APPEND ls_data TO lt_target_table.
ENDLOOP.
In this example, ‘lt_source_table’ is the source table containing data. The ‘LOOP’ statement iterates over each entry in the source table and uses ‘APPEND’ to add each entry to ‘lt_target_table’.
Method 2: Using `INSERT`
If you prefer to use ‘INSERT’, it provides a similar outcome as ‘APPEND’ but can be used for more controlled operations.
Example:
DATA: lt_source_table TYPE TABLE OF my_structure,
lt_target_table TYPE TABLE OF my_structure,
ls_data TYPE my_structure.
” Assume lt_source_table is populated with data
LOOP AT lt_source_table INTO ls_data.
INSERT ls_data INTO TABLE lt_target_table.
ENDLOOP.
Here ‘INSERT’ is used to add each entry from ‘lt_source_table’ into ‘lt_target_table’. This method provides the flexibility to handle different scenarios such as inserting at specific positions or with conditions.
Method 3: Using ‘MOVE-CORRESPONDING’
The ‘MOVE-CORRESPONDING’ statement allows for transferring data between internal tables with similar structures in one go. It is useful when you want to copy entire tables without looping through each entry manually.
Example:
DATA: lt_source_table TYPE TABLE OF my_structure,
lt_target_table TYPE TABLE OF my_structure.
” Assume lt_source_table is populated with data
MOVE-CORRESPONDING lt_source_table TO lt_target_table.
This statement directly transfers all entries from ‘lt_source_table’ to ‘lt_target_table’. It is efficient and straightforward for tables with the same structure.
Complete Example
Here’s a complete example demonstrating how to transfer data from one internal table to another:
DATA: lt_source_table TYPE TABLE OF my_structure,
lt_target_table TYPE TABLE OF my_structure,
ls_data TYPE my_structure.
” Populate lt_source_table with sample data
ls_data-field1 = ‘Value1’.
ls_data-field2 = ‘ValueA’.
APPEND ls_data TO lt_source_table.
ls_data-field1 = ‘Value2’.
ls_data-field2 = ‘ValueB’.
APPEND ls_data TO lt_source_table.
” Transfer data to lt_target_table
LOOP AT lt_source_table INTO ls_data.
APPEND ls_data TO lt_target_table.
ENDLOOP.
” lt_target_table now contains the data from lt_source_table
Author : Aniket Pawar, 9373518385
