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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
// Copyright Materialize, Inc. and contributors. All rights reserved.
//
// Use of this software is governed by the Business Source License
// included in the LICENSE file.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0.

// BEGIN LINT CONFIG
// DO NOT EDIT. Automatically generated by bin/gen-lints.
// Have complaints about the noise? See the note in misc/python/materialize/cli/gen-lints.py first.
#![allow(clippy::style)]
#![allow(clippy::complexity)]
#![allow(clippy::large_enum_variant)]
#![allow(clippy::mutable_key_type)]
#![allow(clippy::stable_sort_primitive)]
#![allow(clippy::map_entry)]
#![allow(clippy::box_default)]
#![warn(clippy::bool_comparison)]
#![warn(clippy::clone_on_ref_ptr)]
#![warn(clippy::no_effect)]
#![warn(clippy::unnecessary_unwrap)]
#![warn(clippy::dbg_macro)]
#![warn(clippy::todo)]
#![warn(clippy::wildcard_dependencies)]
#![warn(clippy::zero_prefixed_literal)]
#![warn(clippy::borrowed_box)]
#![warn(clippy::deref_addrof)]
#![warn(clippy::double_must_use)]
#![warn(clippy::double_parens)]
#![warn(clippy::extra_unused_lifetimes)]
#![warn(clippy::needless_borrow)]
#![warn(clippy::needless_question_mark)]
#![warn(clippy::needless_return)]
#![warn(clippy::redundant_pattern)]
#![warn(clippy::redundant_slicing)]
#![warn(clippy::redundant_static_lifetimes)]
#![warn(clippy::single_component_path_imports)]
#![warn(clippy::unnecessary_cast)]
#![warn(clippy::useless_asref)]
#![warn(clippy::useless_conversion)]
#![warn(clippy::builtin_type_shadow)]
#![warn(clippy::duplicate_underscore_argument)]
#![warn(clippy::double_neg)]
#![warn(clippy::unnecessary_mut_passed)]
#![warn(clippy::wildcard_in_or_patterns)]
#![warn(clippy::collapsible_if)]
#![warn(clippy::collapsible_else_if)]
#![warn(clippy::crosspointer_transmute)]
#![warn(clippy::excessive_precision)]
#![warn(clippy::overflow_check_conditional)]
#![warn(clippy::as_conversions)]
#![warn(clippy::match_overlapping_arm)]
#![warn(clippy::zero_divided_by_zero)]
#![warn(clippy::must_use_unit)]
#![warn(clippy::suspicious_assignment_formatting)]
#![warn(clippy::suspicious_else_formatting)]
#![warn(clippy::suspicious_unary_op_formatting)]
#![warn(clippy::mut_mutex_lock)]
#![warn(clippy::print_literal)]
#![warn(clippy::same_item_push)]
#![warn(clippy::useless_format)]
#![warn(clippy::write_literal)]
#![warn(clippy::redundant_closure)]
#![warn(clippy::redundant_closure_call)]
#![warn(clippy::unnecessary_lazy_evaluations)]
#![warn(clippy::partialeq_ne_impl)]
#![warn(clippy::redundant_field_names)]
#![warn(clippy::transmutes_expressible_as_ptr_casts)]
#![warn(clippy::unused_async)]
#![warn(clippy::disallowed_methods)]
#![warn(clippy::disallowed_macros)]
#![warn(clippy::disallowed_types)]
#![warn(clippy::from_over_into)]
// END LINT CONFIG

//! Core expression language.

#![warn(missing_debug_implementations)]

use std::collections::BTreeSet;
use std::ops::Deref;

use serde::{Deserialize, Serialize};

use mz_repr::GlobalId;

mod id;
mod linear;
mod relation;
mod scalar;

pub mod explain;
pub mod virtual_syntax;
pub mod visit;

pub use relation::canonicalize;

pub use id::{Id, LocalId, PartitionId, SourceInstanceId};
pub use id::{ProtoId, ProtoLocalId, ProtoPartitionId};
pub use linear::{
    memoize_expr,
    plan::{MfpPlan, MfpPushdown, SafeMfpPlan},
    util::{join_permutations, permutation_for_arrangement},
    MapFilterProject, ProtoMapFilterProject, ProtoMfpPlan, ProtoSafeMfpPlan,
};
pub use relation::func::{AggregateFunc, LagLeadType, TableFunc};
pub use relation::func::{AnalyzedRegex, CaptureGroupDesc};
pub use relation::join_input_mapper::JoinInputMapper;
pub use relation::{
    compare_columns, AggregateExpr, CollectionPlan, ColumnOrder, JoinImplementation,
    MirRelationExpr, ProtoAggregateExpr, RowSetFinishing, WindowFrame, WindowFrameBound,
    WindowFrameUnits, RECURSION_LIMIT,
};
pub use relation::{
    JoinInputCharacteristics, ProtoAggregateFunc, ProtoColumnOrder, ProtoRowSetFinishing,
    ProtoTableFunc,
};
pub use scalar::func::{self, BinaryFunc, UnaryFunc, UnmaterializableFunc, VariadicFunc};
pub use scalar::{like_pattern, EvalError, FilterCharacteristics, MirScalarExpr};
pub use scalar::{ProtoDomainLimit, ProtoEvalError, ProtoMirScalarExpr};

/// A [`MirRelationExpr`] that claims to have been optimized, e.g., by an
/// `transform::Optimizer`.
#[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize, Hash)]
pub struct OptimizedMirRelationExpr(pub MirRelationExpr);

impl OptimizedMirRelationExpr {
    /// Declare that the input `expr` is optimized, without actually running it
    /// through an optimizer. This can be useful to mark as optimized literal
    /// `MirRelationExpr`s that are obviously optimal, without invoking the whole
    /// machinery of the optimizer.
    pub fn declare_optimized(expr: MirRelationExpr) -> OptimizedMirRelationExpr {
        OptimizedMirRelationExpr(expr)
    }

    /// Get mutable access to the inner [MirRelationExpr]
    ///
    /// Callers of this method need to ensure that the underlying expression stays optimized after
    /// any mutations are applied
    pub fn as_inner(&self) -> &MirRelationExpr {
        &self.0
    }

    /// Get mutable access to the inner [MirRelationExpr]
    ///
    /// Callers of this method need to ensure that the underlying expression stays optimized after
    /// any mutations are applied
    pub fn as_inner_mut(&mut self) -> &mut MirRelationExpr {
        &mut self.0
    }

    pub fn into_inner(self) -> MirRelationExpr {
        self.0
    }
}

impl Deref for OptimizedMirRelationExpr {
    type Target = MirRelationExpr;

    fn deref(&self) -> &Self::Target {
        &self.0
    }
}

impl CollectionPlan for OptimizedMirRelationExpr {
    fn depends_on_into(&self, out: &mut BTreeSet<GlobalId>) {
        self.0.depends_on_into(out)
    }
}