Add support for MySQL 8 #1
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…e required DB-specific syntax
* adjust epoch time in millis expression to be compatible with a default value for a MySQL BIGINT column * DRY-out expression def
…ing the system on MySQL.
Update system schema to work with MySQL. Create system schema during load of SystemDatabase because I could not determine the 'right' place to do it. Port upsert-style statements to MySQL compatible versions. In particular: * switch to MySQL on_duplicate_key_update from on_conflict_do_update * replace use of .returning with a separate select because MySQL does not support RETURNING. Still.
…ySQL does not distinguish between schemas and databases.
… have LISTEN/NOTIFY support
Was querying the whole table and returning the firs trow
https://dev.mysql.com/doc/refman/8.4/en/insert-on-duplicate.html > With ON DUPLICATE KEY UPDATE, the affected-rows value per row is 1 if the row is inserted as a new row, 2 if an existing row is updated, and 0 if an existing row is set to its current values.
…flow, and test_sleep to test_mysql
…SQL. However, it doesn't work in a proper non-blocking manner because MySQL lacks a pub/sub impl.
…, and exceptions works on MySQL. MySQL TEXT column supports a maximum length of 65,535 (216 − 1) characters. Less with multibyte characters. https://dev.mysql.com/doc/refman/8.4/en/string-type-syntax.html
* Convert SystemSchema to an interface, of sorts * Create function that defines the MySQL system schema and configures the SystemSchema object members appropriately
* Convert ApplicationSchema to an interface, of sorts * Create function that defines the MySQL application schema and configures the ApplicationSchema object members appropriately
…r-mysql Externalize db schema name for mysql
…abase/schema name is configurable.
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