Update Rust crate diesel to 2.1.6 - autoclosed

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
diesel (source)	dependencies	minor	2 -> 2.1.6

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Release Notes

diesel-rs/diesel (diesel)

v2.1.6: Diesel 2.1.6

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• Fix using BoxableExpression with having clauses
• Fix using numeric expressions with aliased fields
• Minor documentation fixes

You can support the development of diesel by contributions or by sponsoring the project on Github.

Full Changelog: diesel-rs/diesel@v2.1.5...v2.1.6

v2.1.5: Diesel 2.1.5

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• Fix impl SqlOrd postgres > postgres_backend feature flag.
• Allow Queryable to be used with multiple table names.
• Update libsqlite3-sys to allow version 0.28 as well

Full Changelog: diesel-rs/diesel@v2.1.4...v2.1.5

v2.1.4: Diesel 2.1.4

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• Update libsqlite3-sys to allow version 0.27 as well

You can support the development of diesel by contributions or by sponsoring the project on Github.

v2.1.3: Diesel 2.1.3

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• Increased accidentally decreased limit around element count in DISTINCT ON and ORDER BY clauses again as that broke existing code

v2.1.2: Diesel 2.1.2

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• Fixed another potential breaking chaneg around queries containing DISTINCT ON and ORDER BY clauses consisting of custom sql expressions (e.g. .nullable())
• Fixed an issue where #[derive(Selectable)] and #[diesel(check_for_backend)] generates invalid rust code if the struct contains lifetimes/generic types

You can support the development of diesel by contributions or by sponsoring the project on Github.

v2.1.1: Diesel 2.1.1

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Fixed

• Fixed an issue in diesel-cli that lead to using unquoted table names in one of the internal queries
• Fixed a bug in diesel print-schema that lead to generating invalid table! macros if both the #[sql_name] and the #[max_lenght] attribute are present
• Fixed an issue in diesel-cli that lead to ignoring certain foreign key constraints for postgresql
• Fixed an crash while using diesel print-schema with really old sqlite versions
• Fixed an issue where #[diesel(check_for_backend)] ignored #[diesel(deserialize_as)] attributes
• Fixed several issues with the new #[derive(MultiConnection)] feature
• Fixed some edge cases in our sqlite timestamp parsing behaviour
• diesel migration generate --diff-schema now respects table filters as setup for print-schema via diesel.toml
• Fixed a potential breaking change around queries containing DISTINCT ON and ORDER BY clauses consisting of custom sql expressions (e.g. diesel::dsl::sql)

Added

• Support for bigdecimal 0.4

You can support the development of diesel by sponsoring the project on github

v2.1.0

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Changed

• The minimal officially supported rustc version is now 1.65.0

Added

• Added serialize_database_to_buffer and deserialize_readonly_database_from_buffer methods in SqliteConnection to support serialization/deserialization of SQLite databases to and from byte buffers.
• Added SerializedDatabase wrapper type for a serialized database that is dynamically allocated by calling serialize_database_to_buffer. This RAII wrapper deallocates the memory when it goes out of scope with sqlite3_free.
• Added the custom_type_derives config option to customize the derives for SQL
  type definitions automatically generated by Diesel CLI.
• Add a #[derive(MultiConnection)] proc-macro that lets you easily implement diesel::Connection
  for an enum of connections to different database backends.
• Added a --diff-schema flag to the diesel migration generate command that generates a migration based
  on the difference between your database and the provided schema.rs file
• Add a ON CONFLICT (...) DO UPDATE ... [WHERE ...] conditional clause support for PostgreSQL.
• Add support for MySQL's ON DUPLICATE KEY DO UPDATE syntax through the existing upsert functions.
• Add ability to define multiple columns in a single distinct_on for PostgreSQL,
  like: .distinct_on((column_a, column_b)).
• Added column size restrictions to the generated schema.rs file

v2.0.4

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v2.0.3

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v2.0.2

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v2.0.1

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Fixed

• Fixed an issue with diesel_cli generating incompatible type names for the generate_missing_sql_type_definitions feature on PostgreSQL
• Fixed an issue how diesel_cli handles sqlite urls while checking if a given database exists
• Fixed an issue with PgConnection becoming unusable after hitting a database error in certain situations
• Fixed an issue with diesel generating invalid SQL for certain INSERT … ON CONFLICT queries
• Fixed diesel_derives generating code that triggers the disabled by default unused_qualifications lint

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