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Allow IF NOT EXISTS after table name for Snowflake (#1881)

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Simon Sawert 2025-06-11 18:11:07 +02:00 • committed by GitHub
parent 9fc9009b94
commit c2e83d49f6
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3
src/dialect/snowflake.rs
View file

@ -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);
}

21
tests/sqlparser_snowflake.rs
View file

@ -446,6 +446,27 @@ fn test_snowflake_create_table_if_not_exists() {
}
_ => unreachable!(),
}
for (sql, parse_to) in [
(
r#"CREATE TABLE IF NOT EXISTS "A"."B"."C" (v VARIANT)"#,
r#"CREATE TABLE IF NOT EXISTS "A"."B"."C" (v VARIANT)"#,
),
(
r#"CREATE TABLE "A"."B"."C" IF NOT EXISTS (v VARIANT)"#,
r#"CREATE TABLE IF NOT EXISTS "A"."B"."C" (v VARIANT)"#,
),
(
r#"CREATE TRANSIENT TABLE IF NOT EXISTS "A"."B"."C" (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)"#,
r#"CREATE TRANSIENT TABLE IF NOT EXISTS "A"."B"."C" (v VARIANT)"#,
),
] {
snowflake().one_statement_parses_to(sql, parse_to);
}
}
#[test]