mirrors/datafusion-sqlparse
1
0
Fork 0
mirror of https://github.com/apache/datafusion-sqlparser-rs.git synced 2025-08-25 08:24:05 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Introduce support for EXPLAIN [ANALYZE] [VERBOSE] <STATEMENT> syntax

Browse source 
Introduce support for EXPLAIN [ANALYZE] [VERBOSE] <STATEMENT> syntax
This commit is contained in:
Dmitry Patsura 2020-12-28 14:22:03 +03:00 • committed by GitHub
parent cbd3c6b1a1
commit 17f2930885
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 156 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

62
src/tokenizer.rs
View file

@ -734,6 +734,68 @@ mod tests {
compare(expected, tokens);
}
#[test]
fn tokenize_explain_select() {
let sql = String::from("EXPLAIN SELECT * FROM customer WHERE id = 1");
let dialect = GenericDialect {};
let mut tokenizer = Tokenizer::new(&dialect, &sql);
let tokens = tokenizer.tokenize().unwrap();
let expected = vec![
Token::make_keyword("EXPLAIN"),
Token::Whitespace(Whitespace::Space),
Token::make_keyword("SELECT"),
Token::Whitespace(Whitespace::Space),
Token::Mult,
Token::Whitespace(Whitespace::Space),
Token::make_keyword("FROM"),
Token::Whitespace(Whitespace::Space),
Token::make_word("customer", None),
Token::Whitespace(Whitespace::Space),
Token::make_keyword("WHERE"),
Token::Whitespace(Whitespace::Space),
Token::make_word("id", None),
Token::Whitespace(Whitespace::Space),
Token::Eq,
Token::Whitespace(Whitespace::Space),
Token::Number(String::from("1")),
];
compare(expected, tokens);
}
#[test]
fn tokenize_explain_analyze_select() {
let sql = String::from("EXPLAIN ANALYZE SELECT * FROM customer WHERE id = 1");
let dialect = GenericDialect {};
let mut tokenizer = Tokenizer::new(&dialect, &sql);
let tokens = tokenizer.tokenize().unwrap();
let expected = vec![
Token::make_keyword("EXPLAIN"),
Token::Whitespace(Whitespace::Space),
Token::make_keyword("ANALYZE"),
Token::Whitespace(Whitespace::Space),
Token::make_keyword("SELECT"),
Token::Whitespace(Whitespace::Space),
Token::Mult,
Token::Whitespace(Whitespace::Space),
Token::make_keyword("FROM"),
Token::Whitespace(Whitespace::Space),
Token::make_word("customer", None),
Token::Whitespace(Whitespace::Space),
Token::make_keyword("WHERE"),
Token::Whitespace(Whitespace::Space),
Token::make_word("id", None),
Token::Whitespace(Whitespace::Space),
Token::Eq,
Token::Whitespace(Whitespace::Space),
Token::Number(String::from("1")),
];
compare(expected, tokens);
}
#[test]
fn tokenize_string_predicate() {
let sql = String::from("SELECT * FROM customer WHERE salary != 'Not Provided'");