In a loop, a statement block is executed several times in succession. There are four kinds of loops in ABAP:· Unconditional loops using the DO statement.· Conditional loops using the WHILE statement.· Loops through internal tables and extract datasets using the LOOP statement....
When we develop Sap abap applications, it is hard to avoid to use 'Loop' key words to implement our business requirments, even it is very often to use two loops or using 'read table' in a loop. Under this condition, many loops or using 'read table' in loops could occur very bad pe...
In ABAP coding many performance problems are related to the handling of internal tables. Especially in the case of nested loops on two large tables, it is important for the runtime of the inner operation to scale faster than linear, otherwise the complete nested loop would show a quadratic sc...
SPFLI on miniSAP). My times, in microseconds:Select: 96439Nested: 31Indexed: 59Other: 31This was for 6 SCARR and 10 SPFLI records.So this test would show that a Nested loop was the best option. (James's 'Other' logic does not include the required sort).I tried to find ...
When processing a table, SAP Smart Forms does not calculate the space required for the entire table in advance, but determines for each line whether it still fits onto the current page. Footer Withtable output, besides using the main area for output of table lines, you will frequ...
From an SAP developer: For LOOPs, FIELD-SYMBOLS are the better choice and faster - unless the tables are not already references themselves. There is also an ATC check for this. Therefore, the section https://github.com/SAP/styleguides/blob/master/clean-abap/CleanABAP.md#prefer-ref-to-to-...
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