Struct lunatic_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<(), Error>

Formats the value using the given formatter.

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

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

Walk over this QueryFragment for all passes.

fn to_sql(
    &self,
    out: &mut <DB as Backend>::QueryBuilder,
    backend: &DB
) -> Result<(), Error>

Converts this QueryFragment to its SQL representation.

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

Serializes all bind parameters in this query.

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

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

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

Does walking this AST have any effect?

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

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

Walk over this QueryFragment for all passes.

fn to_sql(
    &self,
    out: &mut <DB as Backend>::QueryBuilder,
    backend: &DB
) -> Result<(), Error>

Converts this QueryFragment to its SQL representation.

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

Serializes all bind parameters in this query.

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

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

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

Does walking this AST have any effect?

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

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

Walk over this QueryFragment for all passes.

fn to_sql(
    &self,
    out: &mut <DB as Backend>::QueryBuilder,
    backend: &DB
) -> Result<(), Error>

Converts this QueryFragment to its SQL representation.

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

Serializes all bind parameters in this query.

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

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

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

Does walking this AST have any effect?

impl Copy for AnsiSqlArrayComparison