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Add support for TABLESAMPLE (#1580)

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Yoav Cohen 2024-12-15 10:40:25 +01:00 • committed by GitHub
parent 7bc6ddb8fb
commit 316bb14135
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20 changed files with 546 additions and 458 deletions
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20
tests/sqlparser_snowflake.rs
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@ -1188,9 +1188,7 @@ fn parse_delimited_identifiers() {
args,
with_hints,
version,
with_ordinality: _,
partitions: _,
json_path: _,
..
} => {
assert_eq!(vec![Ident::with_quote('"', "a table")], name.0);
assert_eq!(Ident::with_quote('"', "alias"), alias.unwrap().name);
@ -2960,3 +2958,19 @@ fn parse_insert_overwrite() {
let insert_overwrite_into = r#"INSERT OVERWRITE INTO schema.table SELECT a FROM b"#;
snowflake().verified_stmt(insert_overwrite_into);
}
#[test]
fn test_table_sample() {
snowflake_and_generic().verified_stmt("SELECT * FROM testtable SAMPLE (10)");
snowflake_and_generic().verified_stmt("SELECT * FROM testtable TABLESAMPLE (10)");
snowflake_and_generic()
.verified_stmt("SELECT * FROM testtable AS t TABLESAMPLE BERNOULLI (10)");
snowflake_and_generic().verified_stmt("SELECT * FROM testtable AS t TABLESAMPLE ROW (10)");
snowflake_and_generic().verified_stmt("SELECT * FROM testtable AS t TABLESAMPLE ROW (10 ROWS)");
snowflake_and_generic()
.verified_stmt("SELECT * FROM testtable TABLESAMPLE BLOCK (3) SEED (82)");
snowflake_and_generic()
.verified_stmt("SELECT * FROM testtable TABLESAMPLE SYSTEM (3) REPEATABLE (82)");
snowflake_and_generic().verified_stmt("SELECT id FROM mytable TABLESAMPLE (10) REPEATABLE (1)");
snowflake_and_generic().verified_stmt("SELECT id FROM mytable TABLESAMPLE (10) SEED (1)");
}