sqlparser 0.2.6

Extensible SQL Lexer and Parser with support for ANSI SQL:2011
Documentation 
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use crate::dialect::keywords::*;
use crate::dialect::Dialect;

pub struct GenericSqlDialect {}

impl Dialect for GenericSqlDialect {
    fn keywords(&self) -> Vec<&'static str> {
        return vec![
            SELECT, FROM, WHERE, LIMIT, ORDER, GROUP, BY, HAVING, UNION, ALL, INSERT, INTO, UPDATE,
            DELETE, IN, IS, NULL, SET, CREATE, EXTERNAL, TABLE, ASC, DESC, AND, OR, NOT, AS,
            STORED, CSV, PARQUET, LOCATION, WITH, WITHOUT, HEADER, ROW, // SQL types
            CHAR, CHARACTER, VARYING, LARGE, OBJECT, VARCHAR, CLOB, BINARY, VARBINARY, BLOB, FLOAT,
            REAL, DOUBLE, PRECISION, INT, INTEGER, SMALLINT, BIGINT, NUMERIC, DECIMAL, DEC,
            BOOLEAN, DATE, TIME, TIMESTAMP, CASE, WHEN, THEN, ELSE, END, JOIN, LEFT, RIGHT, FULL,
            CROSS, OUTER, INNER, NATURAL, ON, USING, LIKE, NULLS, FIRST, LAST,
        ];
    }

    fn is_identifier_start(&self, ch: char) -> bool {
        (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || ch == '@'
    }

    fn is_identifier_part(&self, ch: char) -> bool {
        (ch >= 'a' && ch <= 'z')
            || (ch >= 'A' && ch <= 'Z')
            || (ch >= '0' && ch <= '9')
            || ch == '@'
            || ch == '_'
    }
}