Struct TypeInferenceEngine 

pub struct TypeInferenceEngine { /* private fields */ }

Main type inference engine

Implementations

impl TypeInferenceEngine

pub fn builder() -> TypeInferenceEngineBuilder

Create a new builder for TypeInferenceEngine

pub fn new() -> Self

Create a TypeInferenceEngine with default configuration

pub async fn infer_column_type( &self, ctx: &SessionContext, table_name: &str, column_name: &str, ) -> InferenceResult<TypeInferenceResult>

Infer the data type of a column in a table

pub async fn infer_multiple_columns( &self, ctx: &SessionContext, table_name: &str, column_names: &[String], ) -> InferenceResult<Vec<(String, TypeInferenceResult)>>

Infer types for multiple columns in parallel

pub fn test_patterns(&self, value: &str, stats: &mut TypeStats)

Test a value against all type patterns

pub fn determine_type(&self, stats: &TypeStats) -> TypeInferenceResult

Determine the best type match from statistics

Trait Implementations

impl Default for TypeInferenceEngine

fn default() -> Self

Returns the “default value” for a type.