What are the control break events in ABAP?
Control Break Processing in ABAP Internal Tables
- AT FIRST / ENDAT.
- AT LAST / ENDAT.
- AT NEW / ENDAT.
- AT END OF / ENDAT.
- SUM.
- ON CHANGE OF / ENDON.
How do you break a loop in SAP ABAP?
- EXIT – loop.
- Syntax.
- EXIT.
- Effect.
- If the EXIT statement is specified within a loop, it exits the loop by ending the current loop pass. The program flow resumes after the closing statement in the loop.
- Note.
- Outside of a loop, the statement EXIT exits the current processing block (see EXIT – Processing Block).
- Example.
What is the use of loop statement in SAP ABAP?
A loop statement allows us to execute a statement or group of statements multiple times and following is the general form of a loop statement in most of the programming languages. ABAP programming language provides the following types of loop to handle looping requirements.
What is the difference between clear and refresh in SAP ABAP?
Refresh will clear the header line and the body of an internal table. Clear will clear only the header if used on an internal table with a header line. On other variables, it will clear the contents. Free will refresh the internal table and release the memory associated with it.
What is difference between Sy Tabix and Sy index?
Both are meant for index values only. But the Sy-tabix is used when you loop an internal table and the Sy-index can be used in case of Do/while loops.
What does Sy Subrc 4 mean?
If SY-SUBRC is 0, the ABAP statement has been executed successfully. If the value is different from 0, than the statement has raised an error or warning. Usually 4 means error and 8 means warning, but this is not obligatory.
What are the control break statements in SAP ABAP?
SAP ABAP Control Break Statements 1 ‘On Change Of’ can be used in any loop construct, not just ‘Loop At’. 2 A Single ‘On Change Of’ can be triggered by a change within one or more fields named after of and separated by OR. 3 When used within a loop, a change in a field to the left of the control level does not trigger a control break. More
What is the use of control break in internal loop?
Control break processing in a internal table loop is used to execute statements written within the block AT and END AT, when the control structure changes. The AT statements (Begining of the blocks) determine the control break at which the statements written within the blocks are executed.
What is the use of control break in Oracle?
Control break processing is used to execute a piece of code whenever a specific condition in the data is detected during the processing of internal table loop. The following control break statements are available with in LOOP and ENDLOOP. The code between AT NEW and ENDAT is executed only during the first loop pass.