Maybe the database layer should allow abstraction to promote / convert types. This problem denotes that some types were not chosen correctly. I could not yet test this cast under MySQL. The reason is that timezone is a CHAR value and not an integer.Ī possible solution is to cast the data explicitely: UPDATE users SET timezone_id = 320 WHERE timezone = CAST(7200 AS VARCHAR) AND timezone_id = 0 It is often used with HAVING, WHERE, and JOIN clauses. We can use the CAST () function to convert one data type to another. This query works under MySQL and fails under PostgreSQL: UPDATE users SET timezone_id = 320 WHERE timezone = 7200 AND timezone_id = 0 Use CAST () With the DECIMAL (M,D) Function to Cast to Decimal in MySQL. In the case of PostgreSQL, this prevents wrong casts when different locales or timestamps are used. From any alphanumerical type to any alphanumerical type.Query with SQL: Select CAST(Col1 as CHAR) as Col1 From Table1 error occurs As far as. From any numerical type to any numerical type Connect Base to mysql database (assuming there is a table created) 2.This is not the case of PostgreSQL, which only automatically casts data: A default set of casting rules are provided and might be. MySQL allows to cast data from any type to any type in SQL queries. Stellar Converter for Database software helps automate the time-consuming task of converting MySQL database records. pgloader supports dynamically converting the schema of the source database and the indexes building. This is only one valid reason for not casting, there may be several other reasons. For example, 1.2 (integer) can be '1,2' in French and '1.2' in English. The reason is that such a cast may vary depending on locales and the representation of numbers. SQL-99 forbids to cast data between integer and alphanumerical values.
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