Struct DrillDialect 

pub struct DrillDialect;

Apache Drill dialect

Trait Implementations

impl DialectImpl for DrillDialect

fn dialect_type(&self) -> DialectType

Returns the DialectType that identifies this dialect.

fn tokenizer_config(&self) -> TokenizerConfig

Returns the tokenizer configuration for this dialect.

fn generator_config(&self) -> GeneratorConfig

Returns the generator configuration for this dialect.

fn transform_expr(&self, expr: Expression) -> Result<Expression>

Transforms a single expression node for this dialect, without recursing into children.

fn generator_config_for_expr(&self, _expr: &Expression) -> GeneratorConfig

Returns a generator configuration tailored to a specific expression.

fn preprocess(&self, expr: Expression) -> Result<Expression>

Applies whole-tree preprocessing transforms before the recursive per-node pass.