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Fix SUBSTRING from/to argument construction for mssql (#947)

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Jeremy Maness 2023-08-17 06:17:57 -04:00 • committed by GitHub
parent 173a6db818
commit 8bbb85356c
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7 changed files with 153 additions and 24 deletions
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59
tests/sqlparser_mssql.rs
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@ -379,6 +379,65 @@ fn parse_similar_to() {
chk(true);
}
#[test]
fn parse_substring_in_select() {
let sql = "SELECT DISTINCT SUBSTRING(description, 0, 1) FROM test";
match ms().one_statement_parses_to(
sql,
"SELECT DISTINCT SUBSTRING(description, 0, 1) FROM test",
) {
Statement::Query(query) => {
assert_eq!(
Box::new(Query {
with: None,
body: Box::new(SetExpr::Select(Box::new(Select {
distinct: Some(Distinct::Distinct),
top: None,
projection: vec![SelectItem::UnnamedExpr(Expr::Substring {
expr: Box::new(Expr::Identifier(Ident {
value: "description".to_string(),
quote_style: None
})),
substring_from: Some(Box::new(Expr::Value(number("0")))),
substring_for: Some(Box::new(Expr::Value(number("1")))),
special: true,
})],
into: None,
from: vec![TableWithJoins {
relation: TableFactor::Table {
name: ObjectName(vec![Ident {
value: "test".to_string(),
quote_style: None
}]),
alias: None,
args: None,
with_hints: vec![]
},
joins: vec![]
}],
lateral_views: vec![],
selection: None,
group_by: vec![],
cluster_by: vec![],
distribute_by: vec![],
sort_by: vec![],
having: None,
named_window: vec![],
qualify: None
}))),
order_by: vec![],
limit: None,
offset: None,
fetch: None,
locks: vec![],
}),
query
);
}
_ => unreachable!(),
}
}
fn ms() -> TestedDialects {
TestedDialects {
dialects: vec![Box::new(MsSqlDialect {})],