⬆️ Bump sqlalchemy from 1.3.1 to 1.3.18

[dependabot-preview]

Bumps sqlalchemy from 1.3.1 to 1.3.18.

Release notes

Sourced from sqlalchemy's releases.

1.3.18

Released: June 25, 2020

orm

• [orm] [usecase] Improve error message when using _query.Query.filter_by() in a query where the first entity is not a mapped class.

  References: #5326

• [orm] [usecase] Added a new parameter _orm.query_expression.default_expr to the _orm.query_expression() construct, which will be appled to queries automatically if the _orm.with_expression() option is not used. Pull request courtesy Haoyu Sun.

  References: #5198

engine

• [engine] [bug] Further refinements to the fixes to the "reset" agent fixed in #5326, which now emits a warning when it is not being correctly invoked and corrects for the behavior. Additional scenarios have been identified and fixed where this warning was being emitted.

  References: #5326

• [engine] [bug] Fixed issue in URL object where stringifying the object would not URL encode special characters, preventing the URL from being re-consumable as a real URL. Pull request courtesy Miguel Grinberg.

  References: #5341

sql

• [sql] [schema] Introduce IdentityOptions to store common parameters for sequences and identity columns.

  References: #5324

• [sql] [usecase] Added a ".schema" parameter to the _expression.table() construct, allowing ad-hoc table expressions to also include a schema name. Pull request courtesy Dylan Modesitt.

  References: #5309

• [sql] [bug] Correctly apply self_group in type_coerce element.

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[dependabot-preview]

Superseded by #148.