pub struct tx_digest;

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impl AppearsInFromClause<Only<table>> for tx_digest

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type Count = Once

How many times does Self appear in QS?
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impl<TSM> AppearsInFromClause<Tablesample<table, TSM>> for tx_digest
where TSM: TablesampleMethod,

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type Count = Once

How many times does Self appear in QS?
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impl Clone for tx_digest

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fn clone(&self) -> tx_digest

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Column for tx_digest

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const NAME: &'static str = "tx_digest"

The name of this column
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type Table = table

The table which this column belongs to
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impl Debug for tx_digest

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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 Default for tx_digest

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fn default() -> tx_digest

Returns the “default value” for a type. Read more
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impl Expression for tx_digest

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type SqlType = Binary

The type that this expression represents in SQL
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impl<DB> QueryFragment<DB> for tx_digest
where DB: Backend, StaticQueryFragmentInstance<table>: QueryFragment<DB>,

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fn walk_ast<'b>( &'b self, __diesel_internal_out: AstPass<'_, 'b, DB>, ) -> QueryResult<()>

Walk over this QueryFragment for all passes. Read more
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fn to_sql( &self, out: &mut <DB as Backend>::QueryBuilder, backend: &DB, ) -> Result<(), Error>

Converts this QueryFragment to its SQL representation. Read more
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fn collect_binds<'b>( &'b self, out: &mut <DB as Backend>::BindCollector<'b>, metadata_lookup: &mut <DB as TypeMetadata>::MetadataLookup, backend: &'b DB, ) -> Result<(), Error>

Serializes all bind parameters in this query. Read more
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fn is_safe_to_cache_prepared(&self, backend: &DB) -> Result<bool, Error>

Is this query safe to store in the prepared statement cache? Read more
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fn is_noop(&self, backend: &DB) -> Result<bool, Error>

Does walking this AST have any effect?
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impl QueryId for tx_digest

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const HAS_STATIC_QUERY_ID: bool = true

Can the SQL generated by Self be uniquely identified by its type? Read more
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type QueryId = tx_digest

A type which uniquely represents Self in a SQL query. Read more
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fn query_id() -> Option<TypeId>

Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise. Read more
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impl ValidGrouping<()> for tx_digest

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type IsAggregate = No

Is this expression aggregate? Read more
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impl<__GB> ValidGrouping<__GB> for tx_digest
where __GB: IsContainedInGroupBy<tx_digest, Output = Yes>,

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type IsAggregate = Yes

Is this expression aggregate? Read more
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impl<QS> AppearsOnTable<QS> for tx_digest
where QS: AppearsInFromClause<table, Count = Once>,

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impl Copy for tx_digest

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impl SelectableExpression<Only<table>> for tx_digest

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impl<TSM> SelectableExpression<Tablesample<table, TSM>> for tx_digest
where TSM: TablesampleMethod,

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impl SelectableExpression<table> for tx_digest

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Execute this command
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Creates a PostgreSQL IS DISTINCT FROM expression. Read more
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