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ABENMESH_TABLE_EXPRESSIONS_ABEXA - MESH TABLE EXPRESSIONS ABEXA

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- Mesh Path Expressions

This example demonstrates how mesh paths can be used as standalone expressions.

Source Code

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Description

The following mesh paths are used as mesh path expressions:

• Mesh path with forward association as an initial mesh association on the right side of an assignment. The source in the square brackets is a table expression supplemented by a condition.

flights-scarr\_spfli[ flights-scarr[ carrname = name ]
                                     connid = connection ]

• Mesh path with mesh inverse association as an initial mesh association on the right side of an assignment. The source in the square brackets is a table expression.

flights-spfli\^_spfli~scarr[ flights-spfli[ carrid = ID
                                            connid = CONNECTION ] ]

• Mesh path with path extension after the initial mesh association on the right side of an assignment.

flights-scarr\_spfli[ flights-scarr[ carrname = name ]
                                     connid = connection
                                   ]\_sflight[ fldate = date ]

The mesh path with path extension is also used to demonstrate the addressing of a component using the structure component selector, assignments to a field symbol, write access, and usage in the predicate function line_exists.

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