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Add support for aggregate expressions with filters (#585)

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Andy Grove 2022-09-08 13:08:45 -06:00 • committed by GitHub
parent 0bb49cea99
commit 303f80f168
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6 changed files with 67 additions and 6 deletions
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25
tests/sqlparser_hive.rs
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@ -276,6 +276,31 @@ fn parse_create_function() {
);
}
#[test]
fn filtering_during_aggregation() {
let rename = "SELECT \
array_agg(name) FILTER (WHERE name IS NOT NULL), \
array_agg(name) FILTER (WHERE name LIKE 'a%') \
FROM region";
println!("{}", hive().verified_stmt(rename));
}
#[test]
fn filtering_during_aggregation_aliased() {
let rename = "SELECT \
array_agg(name) FILTER (WHERE name IS NOT NULL) AS agg1, \
array_agg(name) FILTER (WHERE name LIKE 'a%') AS agg2 \
FROM region";
println!("{}", hive().verified_stmt(rename));
}
#[test]
fn filter_as_alias() {
let sql = "SELECT name filter FROM region";
let expected = "SELECT name AS filter FROM region";
println!("{}", hive().one_statement_parses_to(sql, expected));
}
fn hive() -> TestedDialects {
TestedDialects {
dialects: vec![Box::new(HiveDialect {})],