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Table time travel clause support, add visit_table_factor to Visitor (#951)

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Marko Grujic 2023-08-22 12:06:32 +02:00 • committed by GitHub
parent 9500649c35
commit 1ea8858575
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15 changed files with 225 additions and 12 deletions
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26
tests/sqlparser_bigquery.rs
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@ -95,6 +95,7 @@ fn parse_table_identifiers() {
alias: None,
args: None,
with_hints: vec![],
version: None,
},
joins: vec![]
},]
@ -143,6 +144,31 @@ fn parse_table_identifiers() {
test_table_ident("abc5.GROUP", vec![Ident::new("abc5"), Ident::new("GROUP")]);
}
#[test]
fn parse_table_time_travel() {
let version = "2023-08-18 23:08:18".to_string();
let sql = format!("SELECT 1 FROM t1 FOR SYSTEM_TIME AS OF '{version}'");
let select = bigquery().verified_only_select(&sql);
assert_eq!(
select.from,
vec![TableWithJoins {
relation: TableFactor::Table {
name: ObjectName(vec![Ident::new("t1")]),
alias: None,
args: None,
with_hints: vec![],
version: Some(TableVersion::ForSystemTimeAsOf(Expr::Value(
Value::SingleQuotedString(version)
))),
},
joins: vec![]
},]
);
let sql = "SELECT 1 FROM t1 FOR SYSTEM TIME AS OF 'some_timestamp'".to_string();
assert!(bigquery().parse_sql_statements(&sql).is_err());
}
#[test]
fn parse_join_constraint_unnest_alias() {
assert_eq!(