Trait SqlDialect 

pub trait SqlDialect {
    // Required methods
    fn kind(&self) -> DatabaseKind;
    fn quote_ident(&self, ident: &str) -> String;
    fn placeholder(&self, index: usize) -> String;

    // Provided methods
    fn schema_setup_sqls(&self) -> &'static [&'static str] { ... }
    fn schema_type_sql(
        &self,
        data_type: DataType,
        _property: &PropertyDescriptor,
    ) -> Result<&'static str, SqlCompileError> { ... }
    fn column_definition_sql(
        &self,
        property: &PropertyDescriptor,
    ) -> Result<String, SqlCompileError> { ... }
    fn compile_create_table(
        &self,
        entity: &EntityDescriptor,
    ) -> Result<String, SqlCompileError> { ... }
    fn compile_add_column(
        &self,
        entity: &EntityDescriptor,
        property: &PropertyDescriptor,
    ) -> Result<String, SqlCompileError> { ... }
    fn compile_select(
        &self,
        entity: &EntityDescriptor,
        query: &SelectQuery,
    ) -> Result<CompiledQuery, SqlCompileError> { ... }
    fn compile_select_sql(
        &self,
        entity: &EntityDescriptor,
        query: &SelectQuery,
        params: &mut Vec<Value>,
    ) -> Result<String, SqlCompileError> { ... }
    fn compile_insert(
        &self,
        entity: &EntityDescriptor,
        command: &InsertCommand,
    ) -> Result<CompiledQuery, SqlCompileError> { ... }
    fn compile_batch_insert(
        &self,
        entity: &EntityDescriptor,
        command: &BatchInsertCommand,
    ) -> Result<CompiledQuery, SqlCompileError> { ... }
    fn compile_update(
        &self,
        entity: &EntityDescriptor,
        command: &UpdateCommand,
    ) -> Result<CompiledQuery, SqlCompileError> { ... }
    fn compile_batch_update(
        &self,
        entity: &EntityDescriptor,
        command: &BatchUpdateCommand,
    ) -> Result<CompiledQuery, SqlCompileError> { ... }
    fn compile_delete(
        &self,
        entity: &EntityDescriptor,
        command: &DeleteCommand,
    ) -> Result<CompiledQuery, SqlCompileError> { ... }
    fn compile_recover(
        &self,
        entity: &EntityDescriptor,
        command: &RecoverCommand,
    ) -> Result<CompiledQuery, SqlCompileError> { ... }
    fn column_sql(
        &self,
        entity: &EntityDescriptor,
        field: &str,
    ) -> Result<String, SqlCompileError> { ... }
    fn order_by_sql(
        &self,
        entity: &EntityDescriptor,
        order_by: &OrderBy,
        params: &mut Vec<Value>,
    ) -> Result<String, SqlCompileError> { ... }
    fn select_projection(
        &self,
        entity: &EntityDescriptor,
        query: &SelectQuery,
        params: &mut Vec<Value>,
    ) -> Result<String, SqlCompileError> { ... }
    fn aggregate_projection(
        &self,
        entity: &EntityDescriptor,
        query: &SelectQuery,
        params: &mut Vec<Value>,
    ) -> Result<String, SqlCompileError> { ... }
    fn aggregate_call_sql(
        &self,
        function: AggregateFunction,
        field: &str,
    ) -> String { ... }
    fn aggregate_function_sql(
        &self,
        function: AggregateFunction,
    ) -> &'static str { ... }
    fn compile_expr(
        &self,
        entity: &EntityDescriptor,
        expr: &Expr,
        params: &mut Vec<Value>,
    ) -> Result<String, SqlCompileError> { ... }
    fn compile_function(
        &self,
        entity: &EntityDescriptor,
        function: ExprFunction,
        args: &[Expr],
        params: &mut Vec<Value>,
    ) -> Result<String, SqlCompileError> { ... }
    fn compile_single_arg_function(
        &self,
        entity: &EntityDescriptor,
        function: &str,
        args: &[Expr],
        params: &mut Vec<Value>,
    ) -> Result<String, SqlCompileError> { ... }
    fn compile_subquery(
        &self,
        entity: &EntityDescriptor,
        left: &Expr,
        op: BinaryOp,
        sub_entity: &EntityDescriptor,
        query: &SelectQuery,
        params: &mut Vec<Value>,
    ) -> Result<String, SqlCompileError> { ... }
    fn compile_joined(
        &self,
        entity: &EntityDescriptor,
        parts: &[Expr],
        joiner: &str,
        params: &mut Vec<Value>,
    ) -> Result<String, SqlCompileError> { ... }
    fn compile_in(
        &self,
        entity: &EntityDescriptor,
        left: &Expr,
        op: BinaryOp,
        right: &Expr,
        params: &mut Vec<Value>,
    ) -> Result<String, SqlCompileError> { ... }
}

Required Methods

fn kind(&self) -> DatabaseKind

fn quote_ident(&self, ident: &str) -> String

fn placeholder(&self, index: usize) -> String

Provided Methods

fn schema_setup_sqls(&self) -> &'static [&'static str]

fn schema_type_sql( &self, data_type: DataType, _property: &PropertyDescriptor, ) -> Result<&'static str, SqlCompileError>

fn column_definition_sql( &self, property: &PropertyDescriptor, ) -> Result<String, SqlCompileError>

fn compile_create_table( &self, entity: &EntityDescriptor, ) -> Result<String, SqlCompileError>

fn compile_add_column( &self, entity: &EntityDescriptor, property: &PropertyDescriptor, ) -> Result<String, SqlCompileError>

fn compile_select( &self, entity: &EntityDescriptor, query: &SelectQuery, ) -> Result<CompiledQuery, SqlCompileError>

fn compile_select_sql( &self, entity: &EntityDescriptor, query: &SelectQuery, params: &mut Vec<Value>, ) -> Result<String, SqlCompileError>

fn compile_insert( &self, entity: &EntityDescriptor, command: &InsertCommand, ) -> Result<CompiledQuery, SqlCompileError>

fn compile_batch_insert( &self, entity: &EntityDescriptor, command: &BatchInsertCommand, ) -> Result<CompiledQuery, SqlCompileError>

fn compile_update( &self, entity: &EntityDescriptor, command: &UpdateCommand, ) -> Result<CompiledQuery, SqlCompileError>

fn compile_batch_update( &self, entity: &EntityDescriptor, command: &BatchUpdateCommand, ) -> Result<CompiledQuery, SqlCompileError>

fn compile_delete( &self, entity: &EntityDescriptor, command: &DeleteCommand, ) -> Result<CompiledQuery, SqlCompileError>

fn compile_recover( &self, entity: &EntityDescriptor, command: &RecoverCommand, ) -> Result<CompiledQuery, SqlCompileError>

fn column_sql( &self, entity: &EntityDescriptor, field: &str, ) -> Result<String, SqlCompileError>

fn order_by_sql( &self, entity: &EntityDescriptor, order_by: &OrderBy, params: &mut Vec<Value>, ) -> Result<String, SqlCompileError>

fn select_projection( &self, entity: &EntityDescriptor, query: &SelectQuery, params: &mut Vec<Value>, ) -> Result<String, SqlCompileError>

fn aggregate_projection( &self, entity: &EntityDescriptor, query: &SelectQuery, params: &mut Vec<Value>, ) -> Result<String, SqlCompileError>

fn aggregate_call_sql(&self, function: AggregateFunction, field: &str) -> String

fn aggregate_function_sql(&self, function: AggregateFunction) -> &'static str

fn compile_expr( &self, entity: &EntityDescriptor, expr: &Expr, params: &mut Vec<Value>, ) -> Result<String, SqlCompileError>

fn compile_function( &self, entity: &EntityDescriptor, function: ExprFunction, args: &[Expr], params: &mut Vec<Value>, ) -> Result<String, SqlCompileError>

fn compile_single_arg_function( &self, entity: &EntityDescriptor, function: &str, args: &[Expr], params: &mut Vec<Value>, ) -> Result<String, SqlCompileError>

fn compile_subquery( &self, entity: &EntityDescriptor, left: &Expr, op: BinaryOp, sub_entity: &EntityDescriptor, query: &SelectQuery, params: &mut Vec<Value>, ) -> Result<String, SqlCompileError>

fn compile_joined( &self, entity: &EntityDescriptor, parts: &[Expr], joiner: &str, params: &mut Vec<Value>, ) -> Result<String, SqlCompileError>

fn compile_in( &self, entity: &EntityDescriptor, left: &Expr, op: BinaryOp, right: &Expr, params: &mut Vec<Value>, ) -> Result<String, SqlCompileError>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors