Binary search a sorted internal table

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This statement reads a row from the internal table itab. The latter is possible only for index tables and when using a sorted secondary key. The output response result determines how and to where the row contents are read. If the row to be read is not specified uniquely, the first suitable row is read. In the case of index tables, this row has the lowest row number of all suitable rows in the table index used.

If the internal table is specified as the return value or result of a functional methoda constructor expressionor a table expressionthe value is only available when the statement is executed. Afterwards, it is no longer possible to access the internal table. The system fields sy-tfill and sy-tleng are also filled. This construct provides the missing option of performing LOOP s in reverse order.

See also the corresponding executable example with a FOR expression. Effect This statement reads a row from the internal table itab. If a hash key is used, it is set to 0. If the entry was determined using a binary search, sy-tabix is set to the table index of the entry before which it would be inserted using INSERT Otherwise, sy-tabix is undefined Notes There is no implicit selection of a suitable key or index.

The used table key or table index is always specified uniquely. The syntax check issues a warning if there is a suitable secondary table key but this table key is not used. This warning should be removed through using the key. However, in exceptional cases, it can be bypassed using a pragma. Exceptions Non-Handleable Exceptions Cause: When reading a table with READ Invalid key specified when accessing a key table.

Key specified implicitly invalid Runtime error: Invalid incompatible work area specified. Like sy-subrc equals 0. The row was not found. Like sy-subrc equals 4.

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Millions of businesses worldwide rely on SAP software to operate, and their critical business applications create a massive amount of valuable data. Further, most companies use more than one SAP application in addition to various third-party applications.

Even though the applications might serve different purposes, the data they produce can provide invaluable insights across multiple tiers of the overall business environment when it is consolidated and analyzed.

When using the right SAP interface, businesses can access, retrieve and share data across multiple systems to gain a better understanding of their customers and supply chain, as well as to have more control over security, compliance and the overall business process. To gather and make use of these valuable data sets across multiple tiers, IT administrators can use communication protocols, whether at the development, database or production level:.

The interfaces offer different capabilities, and organizations should carefully compare the details of each to decide which is the best fit for their purposes.

Through these functions, IT administrators can join tables, immediately cache results, aggregate and sort data and perform searches. Finally, as its name suggests, Direct SQL allows IT administrators to connect directly to the database, which eliminates another abstraction layer and could feasibly make transactions faster and simpler. Unfortunately, direct access to a database is often disallowed for security reasons, and using Direct SQL prohibits administrators from using SAP functions that can streamline transactions.

In today's big data-dominated world, organizations need the ability to access, integrate and analyze data sets across multiple systems and tiers of the business that are running on fast databases such as SAP HANA.

With the right SAP interface, businesses gain these capabilities. However, to effectively achieve their goals, businesses must understand which communication protocol works best for their unique strategy and IT environment. Which SAP interface does your organization use? What led you to choose that communication protocol? Let us know in the comments. Karin Kelley is an independent industry analyst and writer, with over 10 years experience in information technology.

She focuses on cloud infrastructure, hosted applications and services, end user computing and related systems management software and services. She spent nearly eight years at Research, where she spearheaded coverage on emerging desktops-as-a-service DaaS markets. She has extensive expertise in enterprise infrastructure software and services, as well as a deep understanding of SMB, MSP and hosting markets. View the discussion thread. Fill out the form and a smartShift consultant will get in touch with you within 24 hours.

Subscribe to our blog to keep up to date and read the latest smartShift blog posts. Skip to main content. Choosing the right SAP interface to unlock the power of your big data. An Overview of SAP Interfaces To gather and make use of these valuable data sets across multiple tiers, IT administrators can use communication protocols, whether at the development, database or production level: SAP's proprietary, object-oriented programming language uses internal tables filled with modularized functions that can be reused and called upon by different SAP systems through RFC.

This relatively new open-source communication protocol allows systems to connect directly to and retrieve or execute functions remotely on a SQL database. Comparing SAP Interfaces The interfaces offer different capabilities, and organizations should carefully compare the details of each to decide which is the best fit for their purposes.

Shifting gears to automated transformation to deliver a predictable outcome at much lower cost. The best of both worlds. Top SAP technology trends of Request Call Fill out the form and a smartShift consultant will get in touch with you within 24 hours. Where did you hear about us? Current application platforms, code language and Cloud status? Current system state and desired state? Tell us about specific transformation challenges. Leave this field blank. Subscribe to Blog Subscribe to our blog to keep up to date and read the latest smartShift blog posts.