Struct diesel::pg::PgTypeMetadata[][src]

pub struct PgTypeMetadata(_);
Expand description

The OIDs for a SQL type

Implementations

Create a new instance of this type based on known constant OIDs.

Please refer to PgMetadataLookup for a way to query OIDs of custom types at run time

Create a new instance of this type based on dynamically lookup informations

This function is usfull for third party crates that may implement a custom postgres connection type and want to bring their own lookup mechanism.

Otherwise refer to [PgMetadataLookup] for a way to automatically implement the corresponding lookup functionality

The OID of T

The OID of T[]

Trait Implementations

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Feeds this value into the given Hasher. Read more

Feeds a slice of this type into the given Hasher. Read more

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Performs the conversion.

Convert self to an expression for Diesel’s query builder. Read more

Convert &self to an expression for Diesel’s query builder. Read more

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.