Struct gapi_grpc::google::cloud::datacatalog::v1::ColumnSchema [−][src]
Representation of a column within a schema. Columns could be nested inside other columns.
Fields
column: String
Required. Name of the column.
Must be a UTF-8 string without dots (.). The maximum size is 64 bytes.
type: String
Required. Type of the column.
Must be a UTF-8 string with the maximum size of 128 bytes.
description: String
Optional. Description of the column. Default value is an empty string.
The description must be a UTF-8 string with the maximum size of 2000 bytes.
mode: String
Optional. A column’s mode indicates if values in this column are required, nullable, or repeated.
Only NULLABLE
, REQUIRED
, and REPEATED
values are supported.
Default mode is NULLABLE
.
subcolumns: Vec<ColumnSchema>
Optional. Schema of sub-columns. A column can have zero or more sub-columns.
Trait Implementations
impl Clone for ColumnSchema
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impl Debug for ColumnSchema
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impl Default for ColumnSchema
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impl Message for ColumnSchema
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impl PartialEq<ColumnSchema> for ColumnSchema
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impl StructuralPartialEq for ColumnSchema
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Auto Trait Implementations
impl RefUnwindSafe for ColumnSchema
impl Send for ColumnSchema
impl Sync for ColumnSchema
impl Unpin for ColumnSchema
impl UnwindSafe for ColumnSchema
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> From<T> for T
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impl<T> Instrument for T
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impl<T> Instrument for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> IntoRequest<T> for T
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
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V: MultiLane<T>,