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ABAP - Keyword Documentation →  ABAP - Reference →  Processing Internal Data →  Internal Tables →  Expressions and Functions for Internal Tables →  Table Functions → 

lines - Row Function

Syntax

... lines( arg ) ...

The table function lines returns the number of rows (or lines) in an internal table. The argument arg is a functional operand position that expects an internal table. The return value has the type i.

Notes

• The function described here is one of the functions that can be used in the obsolete extended functional operand positions, even if its argument is a single data object.

• More specifically, a table expression or similar chaining can be specified for the argument arg, if the result is an internal table.

Example

The number of rows in an internal table filled from a database table must match the number of rows on the database.

SELECT carrid
       FROM scarr
       INTO TABLE @DATA(itab).

SELECT COUNT(*)
       FROM scarr
       INTO @DATA(lines).

ASSERT lines( itab ) = lines.