CREATE TABLE test (a TIMESTAMP TIME INDEX, b INTEGER); Affected Rows: 0 INSERT INTO test VALUES (11, 22), (12, 21), (13, 22); Affected Rows: 3 SELECT a FROM test LIMIT 1; +-------------------------+ | a | +-------------------------+ | 1970-01-01T00:00:00.011 | +-------------------------+ SELECT b FROM test ORDER BY b LIMIT 2 OFFSET 0; +----+ | b | +----+ | 21 | | 22 | +----+ SELECT a FROM test LIMIT 1.25; Error: 3001(EngineExecuteQuery), DataFusion error: Error during planning: Expected LIMIT to be an integer or null, but got Float64 SELECT a FROM test LIMIT 2-1; +-------------------------+ | a | +-------------------------+ | 1970-01-01T00:00:00.011 | +-------------------------+ SELECT a FROM test LIMIT a; Error: 3000(PlanQuery), Failed to plan SQL: No field named a. SELECT a FROM test LIMIT a+1; Error: 3000(PlanQuery), Failed to plan SQL: No field named a. SELECT a FROM test LIMIT SUM(42); Error: 1001(Unsupported), This feature is not implemented: Unsupported LIMIT expression: Some(AggregateFunction(AggregateFunction { func: AggregateUDF { inner: Sum { signature: Signature { type_signature: UserDefined, volatility: Immutable } } }, args: [Literal(Int64(42))], distinct: false, filter: None, order_by: None, null_treatment: None })) SELECT a FROM test LIMIT row_number() OVER (); Error: 3001(EngineExecuteQuery), This feature is not implemented: Unsupported LIMIT expression: Some(Cast(Cast { expr: WindowFunction(WindowFunction { fun: WindowUDF(WindowUDF { inner: RowNumber { signature: Signature { type_signature: Nullary, volatility: Immutable } } }), args: [], partition_by: [], order_by: [], window_frame: WindowFrame { units: Rows, start_bound: Preceding(UInt64(NULL)), end_bound: Following(UInt64(NULL)), is_causal: false }, null_treatment: None }), data_type: Int64 })) CREATE TABLE test2 (a STRING, ts TIMESTAMP TIME INDEX); Affected Rows: 0 INSERT INTO test2 VALUES ('Hello World', 1); Affected Rows: 1 SELECT * FROM test2 LIMIT 3; +-------------+-------------------------+ | a | ts | +-------------+-------------------------+ | Hello World | 1970-01-01T00:00:00.001 | +-------------+-------------------------+ select 1 limit date '1992-01-01'; Error: 3001(EngineExecuteQuery), DataFusion error: Error during planning: Expected LIMIT to be an integer or null, but got Date32 CREATE TABLE integers(i TIMESTAMP TIME INDEX); Affected Rows: 0 INSERT INTO integers VALUES (1), (2), (3), (4), (5); Affected Rows: 5 SELECT * FROM integers LIMIT 3; +-------------------------+ | i | +-------------------------+ | 1970-01-01T00:00:00.001 | | 1970-01-01T00:00:00.002 | | 1970-01-01T00:00:00.003 | +-------------------------+ SELECT * FROM integers LIMIT 4; +-------------------------+ | i | +-------------------------+ | 1970-01-01T00:00:00.001 | | 1970-01-01T00:00:00.002 | | 1970-01-01T00:00:00.003 | | 1970-01-01T00:00:00.004 | +-------------------------+ SELECT * FROM integers as int LIMIT (SELECT MIN(integers.i) FROM integers); Error: 3001(EngineExecuteQuery), DataFusion error: Error during planning: Expected LIMIT to be an integer or null, but got Timestamp(Millisecond, None) SELECT * FROM integers as int OFFSET (SELECT MIN(integers.i) FROM integers); Error: 3001(EngineExecuteQuery), DataFusion error: Error during planning: Expected OFFSET to be an integer or null, but got Timestamp(Millisecond, None) SELECT * FROM integers as int LIMIT (SELECT MAX(integers.i) FROM integers) OFFSET (SELECT MIN(integers.i) FROM integers); Error: 3001(EngineExecuteQuery), DataFusion error: Error during planning: Expected LIMIT to be an integer or null, but got Timestamp(Millisecond, None) SELECT * FROM integers as int LIMIT (SELECT max(integers.i) FROM integers where i > 5); Error: 3001(EngineExecuteQuery), DataFusion error: Error during planning: Cannot infer common argument type for comparison operation Timestamp(Millisecond, None) > Int64 SELECT * FROM integers as int LIMIT (SELECT max(integers.i) FROM integers where i > 5); Error: 3001(EngineExecuteQuery), DataFusion error: Error during planning: Cannot infer common argument type for comparison operation Timestamp(Millisecond, None) > Int64 SELECT * FROM integers as int LIMIT (SELECT NULL); Error: 1001(Unsupported), This feature is not implemented: Unsupported LIMIT expression: Some(ScalarSubquery()) SELECT * FROM integers as int LIMIT (SELECT -1); Error: 1001(Unsupported), This feature is not implemented: Unsupported LIMIT expression: Some(ScalarSubquery()) SELECT * FROM integers as int LIMIT (SELECT 'ab'); Error: 3001(EngineExecuteQuery), DataFusion error: Error during planning: Expected LIMIT to be an integer or null, but got Utf8 DROP TABLE integers; Affected Rows: 0 DROP TABLE test; Affected Rows: 0 DROP TABLE test2; Affected Rows: 0