src/dialect/generic_sql.rs

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,
        ];
    }

    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 == '_'
    }
}