Struct diesel::backend::sql_dialect::array_comparison::AnsiSqlArrayComparison

pub struct AnsiSqlArrayComparison;

Indicates that this backend requires a single bind per array element in IN() and NOT IN() expression

Trait Implementations

impl Clone for AnsiSqlArrayComparison

fn clone(&self) -> AnsiSqlArrayComparison

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AnsiSqlArrayComparison

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

Formats the value using the given formatter.

impl<T, U, DB> QueryFragment<DB, AnsiSqlArrayComparison> for In<T, U>where DB: Backend + SqlDialect<ArrayComparison = AnsiSqlArrayComparison>, T: QueryFragment<DB>, U: QueryFragment<DB> + MaybeEmpty,

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

Walk over this QueryFragment for all passes.

fn to_sql(&self, out: &mut DB::QueryBuilder, backend: &DB) -> QueryResult<()>

Converts this QueryFragment to its SQL representation.

fn collect_binds<'b>( &'b self, out: &mut <DB as HasBindCollector<'b>>::BindCollector, metadata_lookup: &mut DB::MetadataLookup, backend: &'b DB ) -> QueryResult<()>

Serializes all bind parameters in this query.

fn is_safe_to_cache_prepared(&self, backend: &DB) -> QueryResult<bool>

Is this query safe to store in the prepared statement cache?

fn is_noop(&self, backend: &DB) -> QueryResult<bool>

Does walking this AST have any effect?

impl<ST, I, DB> QueryFragment<DB, AnsiSqlArrayComparison> for Many<ST, I>where DB: Backend + HasSqlType<ST> + SqlDialect<ArrayComparison = AnsiSqlArrayComparison>, ST: SingleValue, I: ToSql<ST, DB>,

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

Walk over this QueryFragment for all passes.

fn to_sql(&self, out: &mut DB::QueryBuilder, backend: &DB) -> QueryResult<()>

Converts this QueryFragment to its SQL representation.

fn collect_binds<'b>( &'b self, out: &mut <DB as HasBindCollector<'b>>::BindCollector, metadata_lookup: &mut DB::MetadataLookup, backend: &'b DB ) -> QueryResult<()>

Serializes all bind parameters in this query.

fn is_safe_to_cache_prepared(&self, backend: &DB) -> QueryResult<bool>

Is this query safe to store in the prepared statement cache?

fn is_noop(&self, backend: &DB) -> QueryResult<bool>

Does walking this AST have any effect?

impl<T, U, DB> QueryFragment<DB, AnsiSqlArrayComparison> for NotIn<T, U>where DB: Backend + SqlDialect<ArrayComparison = AnsiSqlArrayComparison>, T: QueryFragment<DB>, U: QueryFragment<DB> + MaybeEmpty,

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

Walk over this QueryFragment for all passes.

fn to_sql(&self, out: &mut DB::QueryBuilder, backend: &DB) -> QueryResult<()>

Converts this QueryFragment to its SQL representation.

fn collect_binds<'b>( &'b self, out: &mut <DB as HasBindCollector<'b>>::BindCollector, metadata_lookup: &mut DB::MetadataLookup, backend: &'b DB ) -> QueryResult<()>

Serializes all bind parameters in this query.

fn is_safe_to_cache_prepared(&self, backend: &DB) -> QueryResult<bool>

Is this query safe to store in the prepared statement cache?

fn is_noop(&self, backend: &DB) -> QueryResult<bool>

Does walking this AST have any effect?

impl Copy for AnsiSqlArrayComparison