Skip to content

Allow IF NOT EXISTS after table name for Snowflake #1881

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Jun 11, 2025
Merged

Allow IF NOT EXISTS after table name for Snowflake #1881

Show file tree
Hide file tree
Changes from 2 commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
8e65a53
Allow `IF NOT EXISTS` after table name for Snowflake
bombsimon Jun 11, 2025
06c6b35
Use existing loop to handle unordered parameters
bombsimon Jun 11, 2025
14dda9f
Use `one_statement_parses_to`
bombsimon Jun 11, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions src/dialect/snowflake.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -560,6 +560,9 @@ pub fn parse_create_table(
builder.storage_serialization_policy =
Some(parse_storage_serialization_policy(parser)?);
}
Keyword::IF if parser.parse_keywords(&[Keyword::NOT, Keyword::EXISTS]) => {
builder = builder.if_not_exists(true);
}
_ => {
return parser.expected("end of statement", next_token);
}
Expand Down
12 changes: 12 additions & 0 deletions tests/sqlparser_snowflake.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -446,6 +446,18 @@ fn test_snowflake_create_table_if_not_exists() {
}
_ => unreachable!(),
}

for sql in [
r#"CREATE TABLE IF NOT EXISTS "A"."B"."C" (v VARIANT)"#,
r#"CREATE TABLE "A"."B"."C" IF NOT EXISTS (v VARIANT)"#,
r#"CREATE TRANSIENT TABLE IF NOT EXISTS "A"."B"."C" (v VARIANT)"#,
r#"CREATE TRANSIENT TABLE "A"."B"."C" IF NOT EXISTS (v VARIANT)"#,
] {
// We don't use `verified_stmt` here because the parser won't produce a 1:1 result of the
// query. We will always put the `IF NOT EXIST` before the column name when displaying the
// query.
assert!(snowflake().parse_sql_statements(sql).is_ok());
}
}

#[test]
Expand Down