Module spark_connect_rs::spark::expression
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Nested message and enum types in Expression
.
Modules§
- Nested message and enum types in
Cast
. - Nested message and enum types in
Literal
. - Nested message and enum types in
SortOrder
. - Nested message and enum types in
Window
.
Structs§
- Expression as string.
- SortOrder is used to specify the data ordering, it is normally used in Sort and Window. It is an unevaluable expression and cannot be evaluated, so can not be used in Projection.
- An unresolved attribute that is not explicitly bound to a specific column, but the column is resolved during analysis by name.
- Extracts a value or values from an Expression
- An unresolved function is not explicitly bound to one explicit function, but the function is resolved during analysis following Sparks name resolution rules.
- Represents all of the input attributes to a given relational operator, for example in “SELECT
(id)?+.+
FROM …”. - UnresolvedStar is used to expand all the fields of a relation or struct.
- Add, replace or drop a field of
StructType
expression by name. - Expression for the OVER clause or WINDOW clause.