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Add support for Snowflake SHOW DATABASES/SCHEMAS/TABLES/VIEWS/COLUMNS statements (#1501)

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Yoav Cohen 2024-11-13 13:55:26 +02:00 • committed by GitHub
parent 632ba4cf8e
commit 76322baf2f
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8 changed files with 591 additions and 159 deletions
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65
tests/sqlparser_snowflake.rs
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@ -2781,3 +2781,68 @@ fn test_parentheses_overflow() {
snowflake_with_recursion_limit(max_nesting_level).parse_sql_statements(sql.as_str());
assert_eq!(parsed.err(), Some(ParserError::RecursionLimitExceeded));
}
#[test]
fn test_show_databases() {
snowflake().verified_stmt("SHOW DATABASES");
snowflake().verified_stmt("SHOW DATABASES HISTORY");
snowflake().verified_stmt("SHOW DATABASES LIKE '%abc%'");
snowflake().verified_stmt("SHOW DATABASES STARTS WITH 'demo_db'");
snowflake().verified_stmt("SHOW DATABASES LIMIT 12");
snowflake()
.verified_stmt("SHOW DATABASES HISTORY LIKE '%aa' STARTS WITH 'demo' LIMIT 20 FROM 'abc'");
snowflake().verified_stmt("SHOW DATABASES IN ACCOUNT abc");
}
#[test]
fn test_parse_show_schemas() {
snowflake().verified_stmt("SHOW SCHEMAS");
snowflake().verified_stmt("SHOW SCHEMAS IN ACCOUNT");
snowflake().verified_stmt("SHOW SCHEMAS IN ACCOUNT abc");
snowflake().verified_stmt("SHOW SCHEMAS IN DATABASE");
snowflake().verified_stmt("SHOW SCHEMAS IN DATABASE xyz");
snowflake().verified_stmt("SHOW SCHEMAS HISTORY LIKE '%xa%'");
snowflake().verified_stmt("SHOW SCHEMAS STARTS WITH 'abc' LIMIT 20");
snowflake().verified_stmt("SHOW SCHEMAS IN DATABASE STARTS WITH 'abc' LIMIT 20 FROM 'xyz'");
}
#[test]
fn test_parse_show_tables() {
snowflake().verified_stmt("SHOW TABLES");
snowflake().verified_stmt("SHOW TABLES IN ACCOUNT");
snowflake().verified_stmt("SHOW TABLES IN DATABASE");
snowflake().verified_stmt("SHOW TABLES IN DATABASE xyz");
snowflake().verified_stmt("SHOW TABLES IN SCHEMA");
snowflake().verified_stmt("SHOW TABLES IN SCHEMA xyz");
snowflake().verified_stmt("SHOW TABLES HISTORY LIKE '%xa%'");
snowflake().verified_stmt("SHOW TABLES STARTS WITH 'abc' LIMIT 20");
snowflake().verified_stmt("SHOW TABLES IN SCHEMA STARTS WITH 'abc' LIMIT 20 FROM 'xyz'");
snowflake().verified_stmt("SHOW EXTERNAL TABLES");
snowflake().verified_stmt("SHOW EXTERNAL TABLES IN ACCOUNT");
snowflake().verified_stmt("SHOW EXTERNAL TABLES IN DATABASE");
snowflake().verified_stmt("SHOW EXTERNAL TABLES IN DATABASE xyz");
snowflake().verified_stmt("SHOW EXTERNAL TABLES IN SCHEMA");
snowflake().verified_stmt("SHOW EXTERNAL TABLES IN SCHEMA xyz");
snowflake().verified_stmt("SHOW EXTERNAL TABLES STARTS WITH 'abc' LIMIT 20");
snowflake()
.verified_stmt("SHOW EXTERNAL TABLES IN SCHEMA STARTS WITH 'abc' LIMIT 20 FROM 'xyz'");
}
#[test]
fn test_show_views() {
snowflake().verified_stmt("SHOW VIEWS");
snowflake().verified_stmt("SHOW VIEWS IN ACCOUNT");
snowflake().verified_stmt("SHOW VIEWS IN DATABASE");
snowflake().verified_stmt("SHOW VIEWS IN DATABASE xyz");
snowflake().verified_stmt("SHOW VIEWS IN SCHEMA");
snowflake().verified_stmt("SHOW VIEWS IN SCHEMA xyz");
snowflake().verified_stmt("SHOW VIEWS STARTS WITH 'abc' LIMIT 20");
snowflake().verified_stmt("SHOW VIEWS IN SCHEMA STARTS WITH 'abc' LIMIT 20 FROM 'xyz'");
}
#[test]
fn test_parse_show_columns_sql() {
snowflake().verified_stmt("SHOW COLUMNS IN TABLE");
snowflake().verified_stmt("SHOW COLUMNS IN TABLE abc");
snowflake().verified_stmt("SHOW COLUMNS LIKE '%xyz%' IN TABLE abc");
}