spacetimedb_sql_parser_2/parser/
errors.rs

1use std::fmt::Display;
2
3use sqlparser::{
4    ast::{BinaryOperator, Expr, ObjectName, Query, Select, SelectItem, SetExpr, TableFactor, TableWithJoins, Value},
5    parser::ParserError,
6};
7use thiserror::Error;
8
9#[derive(Error, Debug)]
10pub enum SubscriptionUnsupported {
11    #[error("Unsupported SELECT: {0}")]
12    Select(Select),
13    #[error("Unsupported: {0}")]
14    Feature(String),
15    #[error("Unsupported: Non-SELECT queries")]
16    Dml,
17}
18
19impl SubscriptionUnsupported {
20    pub(crate) fn feature(expr: impl Display) -> Self {
21        Self::Feature(format!("{expr}"))
22    }
23}
24
25#[derive(Error, Debug)]
26pub enum SqlUnsupported {
27    #[error("Unsupported literal expression: {0}")]
28    Literal(Value),
29    #[error("Unsupported LIMIT expression: {0}")]
30    Limit(Expr),
31    #[error("Unsupported expression: {0}")]
32    Expr(Expr),
33    #[error("Unsupported binary operator: {0}")]
34    BinOp(BinaryOperator),
35    #[error("Unsupported projection: {0}")]
36    Projection(SelectItem),
37    #[error("Unsupported projection expression: {0}")]
38    ProjectionExpr(Expr),
39    #[error("Unsupported FROM expression: {0}")]
40    From(TableFactor),
41    #[error("Unsupported set operation: {0}")]
42    SetOp(SetExpr),
43    #[error("Unsupported INSERT expression: {0}")]
44    Insert(Query),
45    #[error("Unsupported INSERT value: {0}")]
46    InsertValue(Expr),
47    #[error("Unsupported table expression in DELETE: {0}")]
48    DeleteTable(TableWithJoins),
49    #[error("Unsupported column/variable assignment expression: {0}")]
50    Assignment(Expr),
51    #[error("Multi-part names are not supported: {0}")]
52    MultiPartName(ObjectName),
53    #[error("Unsupported: {0}")]
54    Feature(String),
55    #[error("Non-inner joins are not supported")]
56    JoinType,
57    #[error("Implicit joins are not supported")]
58    ImplicitJoins,
59    #[error("Mixed wildcard projections are not supported")]
60    MixedWildcardProject,
61    #[error("Multiple SQL statements are not supported")]
62    MultiStatement,
63    #[error("Multi-table DELETE is not supported")]
64    MultiTableDelete,
65}
66
67impl SqlUnsupported {
68    pub(crate) fn feature(expr: impl Display) -> Self {
69        Self::Feature(format!("{expr}"))
70    }
71}
72
73#[derive(Error, Debug)]
74pub enum SqlRequired {
75    #[error("A FROM clause is required")]
76    From,
77    #[error("Aliases are required for JOIN")]
78    JoinAlias,
79}
80
81#[derive(Error, Debug)]
82pub enum SqlParseError {
83    #[error(transparent)]
84    SqlUnsupported(#[from] SqlUnsupported),
85    #[error(transparent)]
86    SubscriptionUnsupported(#[from] SubscriptionUnsupported),
87    #[error(transparent)]
88    SqlRequired(#[from] SqlRequired),
89    #[error(transparent)]
90    ParserError(#[from] ParserError),
91}
spacetimedb_sql_parser_2/parser/errors.rs

spacetimedb_sql_parser_2/parser/
errors.rs
