gluesql_core/executor/alter/
error.rs

1use {
2    super::table::Referencing, crate::prelude::DataType, serde::Serialize, std::fmt::Debug,
3    thiserror::Error,
4};
5
6#[derive(Error, Serialize, Debug, PartialEq, Eq)]
7pub enum AlterError {
8    // CREATE TABLE
9    #[error("table already exists: {0}")]
10    TableAlreadyExists(String),
11
12    #[error("function already exists: {0}")]
13    FunctionAlreadyExists(String),
14
15    #[error("function does not exist: {0}")]
16    FunctionNotFound(String),
17
18    // CREATE INDEX, DROP TABLE
19    #[error("table does not exist: {0}")]
20    TableNotFound(String),
21
22    #[error("CTAS source table does not exist: {0}")]
23    CtasSourceTableNotFound(String),
24
25    // validate column def
26    #[error("column '{0}' of data type '{1:?}' is unsupported for unique constraint")]
27    UnsupportedDataTypeForUniqueColumn(String, DataType),
28
29    // validate index expr
30    #[error("unsupported index expression")]
31    UnsupportedIndexExpr,
32
33    // validate index expr
34    #[error("unsupported unnamed argument")]
35    UnsupportedUnnamedArg,
36
37    #[error("index expression must reference at least one column")]
38    IndexExprRequiresColumnReference,
39
40    #[error("duplicate column name: {0}")]
41    DuplicateColumnName(String),
42
43    #[error("duplicate arg name: {0}")]
44    DuplicateArgName(String),
45
46    #[error("non-default argument should not follow the default argument")]
47    NonDefaultArgumentFollowsDefaultArgument,
48
49    #[error("foreign table not found: {0}")]
50    ReferencedTableNotFound(String),
51
52    #[error("referenced column not found: {0}")]
53    ReferencedColumnNotFound(String),
54
55    #[error("referencing column not found: {0}")]
56    ReferencingColumnNotFound(String),
57
58    #[error(
59        "referencing column '{referencing_column}' of data type '{referencing_column_type}' does not match referenced column '{referenced_column}' of data type '{referenced_column_type}'"
60    )]
61    ForeignKeyDataTypeMismatch {
62        referencing_column: String,
63        referencing_column_type: DataType,
64        referenced_column: String,
65        referenced_column_type: DataType,
66    },
67
68    #[error(
69        "referenced column '{referenced_table}.{referenced_column}' is not unique, cannot be used as foreign key"
70    )]
71    ReferencingNonPKColumn {
72        referenced_table: String,
73        referenced_column: String,
74    },
75
76    #[error("cannot drop table '{referenced_table_name}' due to referencing tables: '{}'", referencings.iter().map(ToString::to_string).collect::<Vec<_>>().join(", "))]
77    CannotDropTableWithReferencing {
78        referenced_table_name: String,
79        referencings: Vec<Referencing>,
80    },
81
82    #[error("cannot drop column '{}.{}' referenced by '{}'", referencing.foreign_key.referenced_table_name, referencing.foreign_key.referenced_column_name, referencing)]
83    CannotAlterReferencedColumn { referencing: Referencing },
84
85    #[error("cannot drop column '{}.{}' referencing with '{}'", referencing.table_name, referencing.foreign_key.referencing_column_name, referencing)]
86    CannotAlterReferencingColumn { referencing: Referencing },
87}
gluesql_core/executor/alter/error.rs

gluesql_core/executor/alter/
error.rs
