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Implement some MySQL specific syntax and extend the UPDATE statement (#375)

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* * implement the ON DUPLICATE KEY syntax for MySQL in an INSERT statement

* * add MySQL to the cli example
* remove the dialect check for the ON DUPLICATE KEY insert to support
  custom dialects and unwrap some missing results

* * use the Assignment DataType for the ON DUPLICATE KEY UPDATE

* * add support for table aliases in an UPDATE statement
* add support for JOINS in an UPDATE statement (for MySQL)

* * implement the MySQL ALTER TABLE CHANGE COLUMN syntax

* * fix the formatting of the else * rename the parse_identifiers_strict
  to parse_identifiers_non_keywords

* Parse SUBSTRING calls that are separated with a comma instead of
keywords

* Fix the linting errors

Co-authored-by: Piotr <piotr.morawski@nc-vision.com>
Co-authored-by: Piotr Morawski <contact@peter-morawski.de>
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Andrew Lamb 2021-12-10 14:46:11 -05:00 • committed by GitHub
parent 40d67aab87
commit 82eaae1522
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7 changed files with 489 additions and 18 deletions
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examples/cli.rs
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@ -40,6 +40,7 @@ $ cargo run --feature json_example --example cli FILENAME.sql [--dialectname]
"--ansi" => Box::new(AnsiDialect {}),
"--postgres" => Box::new(PostgreSqlDialect {}),
"--ms" => Box::new(MsSqlDialect {}),
"--mysql" => Box::new(MySqlDialect {}),
"--snowflake" => Box::new(SnowflakeDialect {}),
"--hive" => Box::new(HiveDialect {}),
"--generic" | "" => Box::new(GenericDialect {}),