datafusion_physical_expr/expressions/
mod.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

//! Defines physical expressions that can evaluated at runtime during query execution

#[macro_use]
mod binary;
mod case;
mod cast;
mod column;
mod in_list;
mod is_not_null;
mod is_null;
mod like;
mod literal;
mod negative;
mod no_op;
mod not;
mod try_cast;
mod unknown_column;

/// Module with some convenient methods used in expression building
pub use crate::aggregate::stats::StatsType;
pub use crate::window::nth_value::NthValue;
pub use crate::PhysicalSortExpr;

pub use binary::{binary, similar_to, BinaryExpr};
pub use case::{case, CaseExpr};
pub use cast::{cast, CastExpr};
pub use column::{col, with_new_schema, Column};
pub use datafusion_expr::utils::format_state_name;
pub use in_list::{in_list, InListExpr};
pub use is_not_null::{is_not_null, IsNotNullExpr};
pub use is_null::{is_null, IsNullExpr};
pub use like::{like, LikeExpr};
pub use literal::{lit, Literal};
pub use negative::{negative, NegativeExpr};
pub use no_op::NoOp;
pub use not::{not, NotExpr};
pub use try_cast::{try_cast, TryCastExpr};
pub use unknown_column::UnKnownColumn;