proof_of_sql::base::database

Enum TableOperationError

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pub enum TableOperationError {
    UnionIncompatibleSchemas {
        correct_schema: Vec<ColumnField>,
        actual_schema: Vec<ColumnField>,
    },
    JoinWithDifferentNumberOfColumns {
        left_num_columns: usize,
        right_num_columns: usize,
    },
    JoinIncompatibleTypes {
        left_type: ColumnType,
        right_type: ColumnType,
    },
    ColumnDoesNotExist {
        column_ident: Ident,
    },
    DuplicateColumn,
    ColumnOperationError {
        source: ColumnOperationError,
    },
    ColumnIndexOutOfBounds {
        column_index: usize,
    },
}
Expand description

Errors from operations on tables.

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UnionIncompatibleSchemas

Errors related to unioning tables with incompatible schemas.

Fields

§correct_schema: Vec<ColumnField>

The correct data type

§actual_schema: Vec<ColumnField>

The schema of the table that caused the error

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JoinWithDifferentNumberOfColumns

Errors related to joining tables with different numbers of columns.

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§left_num_columns: usize

The number of columns in the left-hand table

§right_num_columns: usize

The number of columns in the right-hand table

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JoinIncompatibleTypes

Errors related to joining tables on columns with incompatible types.

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§left_type: ColumnType

The left-hand side data type

§right_type: ColumnType

The right-hand side data type

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ColumnDoesNotExist

Errors related to a column that does not exist in a table.

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§column_ident: Ident

The nonexistent column identifier

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DuplicateColumn

Errors related to duplicate columns in a table.

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ColumnOperationError

Errors due to bad column operations.

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§source: ColumnOperationError

The underlying ColumnOperationError

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ColumnIndexOutOfBounds

Errors related to column index out of bounds.

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§column_index: usize

The column index that is out of bounds

Trait Implementations§

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impl Debug for TableOperationError

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for TableOperationError

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fn fmt(&self, __snafu_display_formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Error for TableOperationError
where Self: Debug + Display,

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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
Read more
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any. Read more
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type-based access to context intended for error reports. Read more
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impl ErrorCompat for TableOperationError

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fn backtrace(&self) -> Option<&Backtrace>

Returns a Backtrace that may be printed.
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fn iter_chain(&self) -> ChainCompat<'_, '_>
where Self: AsErrorSource,

Returns an iterator for traversing the chain of errors, starting with the current error and continuing with recursive calls to Error::source. Read more
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impl From<ColumnOperationError> for TableOperationError

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fn from(error: ColumnOperationError) -> Self

Converts to this type from the input type.
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impl PartialEq for TableOperationError

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fn eq(&self, other: &TableOperationError) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for TableOperationError

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impl StructuralPartialEq for TableOperationError

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