Method temp_table_exist

crates/integrations/datafusion/src/sql_context.rs:244–259

Returns whether a temporary table or view with the given name already exists. Accepts the same flexible name format as `register_temp_table`.

(&self, name: impl Into<TableReference>)

    ///
    /// Accepts the same flexible name format as `register_temp_table`.
    pub fn temp_table_exist(&self, name: impl Into<TableReference>) -> DFResult<bool> {
        let (catalog, database, table_name) = self.resolve_temp_table_name(name.into())?;
        let catalog_provider = self
            .ctx
            .catalog(&catalog)
            .ok_or_else(|| DataFusionError::Plan(format!("Unknown catalog '{catalog}'")))?;

        let paimon_provider = catalog_provider
            .as_any()
            .downcast_ref::<crate::catalog::PaimonCatalogProvider>()
            .ok_or_else(|| {
                DataFusionError::Plan(format!("Catalog '{catalog}' is not a Paimon catalog"))
            })?;

        Ok(paimon_provider.temp_table_exist(&database, &table_name))
    }

    /// Resolve a TableReference into (catalog, database, table_name).
    fn resolve_temp_table_name(&self, name: TableReference) -> DFResult<(String, String, String)> {