refactor: replace individual variables with ConnectionProperty #3322
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…tate This change adds internal data structures that can be used for transactional connection state. These data structures also reduces the amount of code that is needed for each connection property that is added. Connection properties are currently represented as actual variables in the ConnectionImpl class. These new data structures removes the need for that. Only the connection property retryAbortsInternally is refactored to use the new data structure. All other connection properties will be refactored in a following change, in order to keep each change as small as possible. The data structure supports both transactional and non-transactional connection state. Transactional state is disabled in the current version in order to be consistent with the current behavior. It will be enabled in a later change when all connection properties have been refactored to use the new data structure.
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Replace individual variables in ConnectionOptions and ConnectionImpl with references to ConnectionProperties. This reduces the amount of code bloat, especially in ConnectionOptions, as all connection property parsing is now handled by the ConnectionState class in a generic way. This setup also reduces the amount of code that is needed to add a new connection property, as there is only one source of truth: the list of properties in the ConnectionProperties class. Following steps that will reduce the amount of code bloat further are: 1. Replace all the regular expressions for SET and SHOW statements with a simple token-based parser. 2. Cleaning up ConnectionOptions further by removing the duplicate list of ConnectionProperties there. These can be removed once the JDBC driver has been updated to use the new list of properties.
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rahul2393
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Replace individual variables in ConnectionOptions and ConnectionImpl with
references to ConnectionProperties. This reduces the amount of code bloat,
especially in ConnectionOptions, as all connection property parsing is
now handled by the ConnectionState class in a generic way.
This setup also reduces the amount of code that is needed to add a new
connection property, as there is only one source of truth: the list of
properties in the ConnectionProperties class.
Following steps that will reduce the amount of code bloat further are:
a simple token-based parser.
of ConnectionProperties there. These can be removed once the JDBC
driver has been updated to use the new list of properties.