Function Type

The simple type ST_FunctionType defines different types of conditional expressions that can be utilized. The different types of expressions are:

• cnt – Specifies the count of items.

• pos - Retrieves the position of the node in the specified set of nodes.

• revPos - Reverse position function.

• posEven - Returns 1 if the specified node is at an even numbered position in the data model.

• posOdd - Returns 1 if the specified node is in an odd position in the data model.

• var - Used to reference a variable.

• depth - Specifies the depth of items.

• maxDepth - Defines the maximum depth of items.