Files
greptimedb/tests/cases/standalone/common/prepare/mysql_prepare.result
Yingwen 44e75b142d feat: cast strings to numerics automatically in mysql connections (#6015)
* chore: insert support string to numeric auto cast

* test: add sqlness test

* chore: remove log

* test: fix sql test

* style: fix clippy

* test: test invalid number

* feat: do not convert to default if unable to parse

* chore: update comment

* test: update sqlness test

* test: update prepare test
2025-04-30 08:23:50 +00:00

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-- invalid prepare, from
-- https://github.com/duckdb/duckdb/blob/00a605270719941ca0412ad5d0a14b1bdfbf9eb5/test/sql/prepared/invalid_prepare.test
-- SQLNESS PROTOCOL MYSQL
SELECT ?;
Failed to execute query, err: MySqlError { ERROR 1815 (HY000): (EngineExecuteQuery): Execution error: Placeholder '?' was not provided a value for execution. }
-- SQLNESS PROTOCOL MYSQL
PREPARE stmt FROM 'SELECT ?::int;';
affected_rows: 0
-- SQLNESS PROTOCOL MYSQL
EXECUTE stmt USING 1;
+----+
| $1 |
+----+
| 1 |
+----+
-- SQLNESS PROTOCOL MYSQL
EXECUTE stmt USING 'a';
Failed to execute query, err: MySqlError { ERROR 1210 (HY000): (InvalidArguments): Invalid request parameter: Unable to convert a to datatype Int32(Int32Type) }
-- SQLNESS PROTOCOL MYSQL
DEALLOCATE stmt;
affected_rows: 0
-- SQLNESS PROTOCOL MYSQL
PREPARE stmt FROM 'SELECT ?::int WHERE 1=0;';
affected_rows: 0
-- SQLNESS PROTOCOL MYSQL
EXECUTE stmt USING 1;
affected_rows: 0
-- SQLNESS PROTOCOL MYSQL
EXECUTE stmt USING 'a';
affected_rows: 0
-- SQLNESS PROTOCOL MYSQL
DEALLOCATE stmt;
affected_rows: 0
-- parameter variants, from:
-- https://github.com/duckdb/duckdb/blob/2360dd00f193b5d0850f9379d0c3794eb2084f36/test/sql/prepared/parameter_variants.test
-- SQLNESS PROTOCOL MYSQL
PREPARE stmt FROM 'SELECT CAST(? AS INTEGER), CAST(? AS STRING);';
affected_rows: 0
-- SQLNESS PROTOCOL MYSQL
EXECUTE stmt USING 1, 'hello';
+----+-------+
| $1 | $2 |
+----+-------+
| 1 | hello |
+----+-------+
-- SQLNESS PROTOCOL MYSQL
DEALLOCATE stmt;
affected_rows: 0
-- test if placeholder at limit and offset are parsed correctly
-- SQLNESS PROTOCOL MYSQL
PREPARE stmt FROM 'SELECT 1 LIMIT ? OFFSET ?;';
affected_rows: 0
-- SQLNESS PROTOCOL MYSQL
EXECUTE stmt USING 1, 2;
affected_rows: 0
-- SQLNESS PROTOCOL MYSQL
DEALLOCATE stmt;
affected_rows: 0
-- test with data
CREATE TABLE IF NOT EXISTS "cake" (
`domain` STRING,
is_expire BOOLEAN NULL,
ts TIMESTAMP(3),
TIME INDEX ("ts"),
PRIMARY KEY ("domain")
) ENGINE=mito
WITH(
append_mode = 'true',
ttl='7days'
);
Affected Rows: 0
INSERT INTO cake(domain, is_expire, ts) VALUES('happy', false, '2025-03-18 12:55:51.758000');
Affected Rows: 1
-- SQLNESS PROTOCOL MYSQL
PREPARE stmt FROM 'SELECT `cake`.`domain`, `cake`.`is_expire`, `cake`.`ts` FROM `cake` WHERE `cake`.`domain` = ? LIMIT ? OFFSET ?';
affected_rows: 0
-- SQLNESS PROTOCOL MYSQL
EXECUTE stmt USING 'happy', 42, 0;
+--------+-----------+----------------------------+
| domain | is_expire | ts |
+--------+-----------+----------------------------+
| happy | 0 | 2025-03-18 12:55:51.758000 |
+--------+-----------+----------------------------+
-- SQLNESS PROTOCOL MYSQL
DEALLOCATE stmt;
affected_rows: 0
-- SQLNESS PROTOCOL MYSQL
DROP TABLE cake;
affected_rows: 0