Struct datafusion_sql::parser::DFParser

pub struct DFParser<'a> { /* private fields */ }

DataFusion SQL Parser based on sqlparser

This parser handles DataFusion specific statements, delegating to Parser for other SQL statements.

Implementations

impl<'a> DFParser<'a>

pub fn new(sql: &str) -> Result<Self, ParserError>

Create a new parser for the specified tokens using the GenericDialect.

pub fn new_with_dialect(
    sql: &str,
    dialect: &'a dyn Dialect
) -> Result<Self, ParserError>

Create a new parser for the specified tokens with the specified dialect.

pub fn parse_sql(sql: &str) -> Result<VecDeque<Statement>, ParserError>

Parse a sql string into one or Statements using the GenericDialect.

pub fn parse_sql_with_dialect(
    sql: &str,
    dialect: &dyn Dialect
) -> Result<VecDeque<Statement>, ParserError>

Parse a SQL string and produce one or more Statements with with the specified dialect.

pub fn parse_statement(&mut self) -> Result<Statement, ParserError>

Parse a new expression

pub fn parse_describe(&mut self) -> Result<Statement, ParserError>

Parse a SQL DESCRIBE statement

pub fn parse_create(&mut self) -> Result<Statement, ParserError>

Parse a SQL CREATE statementm handling CREATE EXTERNAL TABLE