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BigQuery: enable FROM-first SELECT #2439

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Merged
iffyio merged 5 commits into from
Aug 20, 2026
+15 −0
Merged

BigQuery: enable FROM-first SELECT #2439

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29381d0
BigQuery: enable FROM-first SELECT
moshap-firebolt Aug 13, 2026
f2af9c5
Add BigQuery FROM-first SELECT tests
moshap-firebolt Aug 19, 2026
aef002a
Update tests/sqlparser_bigquery.rs
moshap-firebolt Aug 20, 2026
88ab7a5
Update tests/sqlparser_bigquery.rs
moshap-firebolt Aug 20, 2026
9dd9cfb
Fix stray closing brace in parse_from_first_select test
moshap-firebolt Aug 20, 2026
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8 changes: 8 additions & 0 deletions src/dialect/bigquery.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,14 @@ impl Dialect for BigQueryDialect {
true
}

/// BigQuery allows a query to start with `FROM` (e.g. `FROM t`, and the
/// entry form for pipe syntax, `FROM t |> ...`).
///
/// See <https://cloud.google.com/bigquery/docs/reference/standard-sql/query-syntax#from_queries>
fn supports_from_first_select(&self) -> bool {
true
}

/// See <https://cloud.google.com/bigquery/docs/reference/standard-sql/procedural-language#execute_immediate>
fn supports_execute_immediate(&self) -> bool {
true
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7 changes: 7 additions & 0 deletions tests/sqlparser_bigquery.rs
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Expand Up @@ -2950,3 +2950,10 @@ fn test_create_snapshot_table() {
"CREATE SNAPSHOT TABLE IF NOT EXISTS dataset_id.table1 CLONE dataset_id.table2 FOR SYSTEM_TIME AS OF TIMESTAMP_SUB(CURRENT_TIMESTAMP(), INTERVAL 1 HOUR) OPTIONS(expiration_timestamp = TIMESTAMP '2025-01-01 00:00:00 UTC')",
);
}

#[test]
fn parse_from_first_select() {
bigquery().verified_stmt("FROM t");
bigquery().verified_stmt("FROM t SELECT a, b");
bigquery().verified_stmt("FROM t |> WHERE a > 1 |> SELECT a");
}
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