Module expr

Expand description

Logical Expressions: Expr

Structs§

AggregateFunction: Aggregate function
AggregateFunctionParams
Alias: Alias expression
Between: BETWEEN expression
BinaryExpr: Binary expression
Case: CASE expression
Cast: Cast expression
Exists: EXISTS expression
ExprListDisplay: Formats a list of &Expr with a custom separator using SQL display format
FieldMetadata: Literal metadata
InList: InList expression
InSubquery: IN subquery
Like: LIKE expression
Placeholder: Placeholder, representing bind parameter values such as $1 or $name.
PlannedReplaceSelectItem: The planned expressions for REPLACE
ScalarFunction: Invoke a ScalarUDF with a set of arguments
Sort: SORT expression
TryCast: TryCast Expression
Unnest: UNNEST expression.
WildcardOptions: Additional options for wildcards, e.g. Snowflake EXCLUDE/RENAME and Bigquery EXCEPT.
WindowFunction: Window function
WindowFunctionParams

Expr: Represents logical expressions such as A + 1, or CAST(c1 AS int).
GetFieldAccess: Access a sub field of a nested type, such as Field or List
GroupingSet: Grouping sets
WindowFunctionDefinition: A function used as a SQL window function

physical_name: The name of the column (field) that this Expr will produce in the physical plan. The difference from Expr::schema_name is that top-level columns are unqualified.
schema_name_from_exprs: Get schema_name for Vector of expressions
schema_name_from_sorts