Crate expr[−][src]
Core expression language.
Modules
| explain | This module houses a pretty printer for |
| id | |
| like_pattern | |
| linear | |
| relation | |
| scalar |
Structs
| AggregateExpr | Describes an aggregation expression. |
| AnalyzedRegex | |
| CaptureGroupDesc | |
| ColumnOrder | Specification for an ordering by a column. |
| DummyHumanizer | A bare-minimum implementation of |
| IdGen | Manages the allocation of locally unique IDs when building a |
| JoinInputMapper | Any column in a join expression exists in two contexts: |
| LocalId | The identifier for a local component of a dataflow. |
| MapFilterProject | A compound operator that can be applied row-by-row. |
| OptimizedMirRelationExpr | A |
| RowSetFinishing | Instructions for finishing the result of a query. |
| SourceInstanceId | Unique identifier for an instantiation of a source. |
Enums
| AggregateFunc | |
| BinaryFunc | |
| EvalError | |
| GlobalId | The identifier for a global dataflow. |
| Id | An opaque identifier for a dataflow component. In other words, identifies
the target of a |
| JoinImplementation | Describe a join implementation in dataflow. |
| MirRelationExpr | An abstract syntax tree which defines a collection. |
| MirScalarExpr | |
| NullaryFunc | |
| PartitionId | Unique identifier for each part of a whole source. Kafka -> partition Kinesis -> shard File -> only one S3 -> https://github.com/MaterializeInc/materialize/issues/5715 |
| TableFunc | |
| UnaryFunc | |
| VariadicFunc |
Traits
| ExprHumanizer | A trait for humanizing components of an expression. |
Functions
| compare_columns | Compare |