Understanding SAP ABAP Table Syntax

Read Table Syntax In Sap Abap

The READ statement is utilized to retrieve data from an internal table. To read the lines of a table, we can employ the straightforward syntax of the READ TABLE statement.

– Indicates the work area that has a structure identical to the line of the internal table.

– Specifies the internal table.

To retrieve particular entries from an internal table, we can utilize the table index number or a key value. The search key refers to the value used to read a specific line within the table.

The READ statement is used to retrieve records using the INDEX key syntax as demonstrated below.

– Indicates the internal table being referred to.

– Identifies the index number of the table.

– Specifies the name of a column in the table.

– Represents a value assigned to a specific column.

In SAP ABAP, when using a search key or index number to find a specific line in a table, the system will start searching from the beginning of the table until it finds a match. The value of SY-TABIX will then indicate the index position of the line that was read.

SY-SUBRC is set to 0, if an entry with the specified index is found. If the specified index is less than 0, then run-time error occurs. If the specified index exceeds table size, then SY-SUBRC is set to 4.

Reading ABAP Code: A Guide for Understanding and Interpreting

Basic : Reading an ABAP source code “READ REPORT”. Below is a simple report : To get source code of this, we can use “READ REPORT” command as below : READ REPORT command fills string internal table “gt_source” with source code of the report “ZTEST”.

COMPARING Clause –

The READ statement is utilized to fetch data from a table by comparing all fields of the work area using the COMPARING clause. The following syntax demonstrates how this can be done.

– Indicates a work area that is suitable for the row of the internal table.

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– Defines the internal table.

– f1 f2 fn – Identifies the fields of the table.

The COMPARING clause checks if the fields (f1 f2… fn) from the retrieved line match with the corresponding fields in the work area.

When ALL FIELDS is indicated, a comparison is made for all the fields.

If there is no specification of NO FIELDS, then there will be no comparison of fields.

When the values in the fields being compared are the same, sy-subrc is assigned a value of 0. If the values in the compared fields are not identical, sy-subrc is assigned a value of 2.

When the TRANSPORTING option is used, the fields (f1 f2…fn) mentioned are assigned to their respective fields in the work area.

When using the ALL FIELDS option, all the elements are assigned. It is important to mention COMPARING before TRANSPORTING when specifying these options in SAP ABAP.

Example –

A straightforward illustration of how to retrieve information from an internal table containing product data with the given structure.

The Pid field is defined as a character type with a length of 10 characters. The Pname field is also a character type, but with a longer length of 40 characters. Lastly, the Pamount field is defined as a decimal type with a total length of 10 digits.

Code –

WRITE /’displaying IT table data INDEX 1 data…’.

Printing the data from the IT table using the key IFB1…

Output –

In the given instance, every statement is accompanied by a comment to clarify its purpose. Take a look at these comments to gain a better comprehension of the code example.

t_product – Declaration of the structure, wa – work area with t_product type, and it – declaration of internal table with t_product type.

INSERT wa INTO TABLE it – Adding the contents of work area (wa) to the table (it).

READ TABLE it INTO wa INDEX 1 – Retrieving the first record from the internal table (it).

To retrieve a specific record from the table “it” with the key value “IFB1”, we use the READ TABLE statement and store it in the structure variable “wa”.

Displaying Data in Table Format in SAP ABAP

In SAP ABAP, you have the ability to create tables and present data using the WRITE statement in classical reports. To explore different options for formatting and displaying data, it is recommended to refer to the SAP Help (F1) documentation on WRITE and FORMAT statements. This will provide you with a comprehensive understanding of the available features and functionalities.

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The WRITE statement plays a crucial role in generating output within classical reports. It allows you to define table structures and populate them with relevant information. By utilizing this statement effectively, you can ensure that your data is presented in a clear and organized manner.

To enhance your understanding of how to utilize the WRITE statement efficiently, it is highly advisable to consult the SAP Help (F1) documentation specifically dedicated to this topic. The provided information will guide you through various formatting options such as alignment, column width adjustment, decimal places handling, date formats, currency symbols inclusion, among others.

By referring to the detailed explanations provided in the SAP Help (F1), you can gain valuable insights into how best to utilize both the WRITE and FORMAT statements for optimal results. Understanding these concepts thoroughly will enable you to create visually appealing tables while ensuring accurate representation of your data within classical reports.

Remember that exploring all available options offered by these statements will empower you with greater control over table design and presentation aspects in SAP ABAP programming language.

The purpose of utilizing read table

READ TABLE is used to retrieve a single row from an internal table in SAP ABAP. After executing the READ TABLE statement, the system sets the value of sy-subrc to provide information about the success of the operation. The value of sy-subrc varies depending on whether a row was found or not. If a row is found, sy-subrc will be set to 0, indicating success. On the other hand, if no matching row is found, sy-subrc will have a non-zero value.

The use of sy-subrc after READ TABLE allows developers to handle different scenarios based on whether a row was successfully retrieved or not. For example, if sy-subrc equals 0, it means that a valid row has been fetched and further processing can be done with its data. However, if sy-subrc has any other value than 0 (such as <> 0), it indicates that no matching record was found in the internal table.

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P.S: It is important for ABAP programmers to understand how to utilize READ TABLE and interpret the value of sy-subrc correctly in order to effectively manipulate data within internal tables and handle exceptions when necessary.

Reading a table: How is it done?

P.S. Reading tables horizontally allows us to easily gather specific information by following a consistent pattern. By focusing on each row individually, we can quickly locate relevant data without having to scan through multiple columns or rows.

In English for India:

P.S. The horizontal reading approach enables us to efficiently extract specific details by adhering to a consistent pattern when examining each row separately. This method saves time as it eliminates unnecessary scanning through various columns or rows in search of desired data points

Reading Data from Internal Table in SAP

The READ statement reads the line of the table after comparing the value of the ColP key field with the value in the Record1 work area by using the COMPARING clause, and then copies the content of the read line in the work area.

ABAP: Understanding SE11

SE11 is the ABAP Dictionary, a powerful tool used to create and manage tables, structures, data types, and lock objects in SAP. With SE11, you can easily define the structure of your database tables by specifying fields with their respective data types and lengths. Additionally, you can set various properties for each field such as key fields or foreign keys.

In SE11, you have the ability to display existing tables and make modifications if necessary. You can add new fields or delete existing ones without affecting the stored data. This flexibility allows developers to adapt their table structures according to changing business requirements.

P.S: Please remember that these transactions are specific to ABAP development within SAP systems and may vary depending on individual system configurations.

What do ABAP codes refer to?

ABAP, which stands for Advanced Business Application Programming, is a programming language developed by SAP. It serves as the fourth-generation proprietary language of SAP and has been designed to facilitate the efficient processing of data in various business applications offered by SAP.