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Code Issues 32 Releases Wiki Activity

Fixed #31578 -- Dropped support for MySQL 5.6.

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This commit is contained in:
Mariusz Felisiak
2020-05-19 10:56:39 +02:00
committed by GitHub
parent 9756c33429
commit 20a8a443f0
6 changed files with 16 additions and 38 deletions
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5
django/db/backends/mysql/features.py
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@@ -124,11 +124,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
return self.connection.mysql_version >= (10, 3, 0)
return self.connection.mysql_version >= (8, 0, 1)
@cached_property
def needs_explain_extended(self):
# EXTENDED is deprecated (and not required) in MySQL 5.7.
return not self.connection.mysql_is_mariadb and self.connection.mysql_version < (5, 7)
@cached_property
def supports_explain_analyze(self):
return self.connection.mysql_is_mariadb or self.connection.mysql_version >= (8, 0, 18)

5
django/db/backends/mysql/operations.py
View File

@@ -350,14 +350,11 @@ class DatabaseOperations(BaseDatabaseOperations):
if format and not (analyze and not self.connection.mysql_is_mariadb):
# Only MariaDB supports the analyze option with formats.
prefix += ' FORMAT=%s' % format
if self.connection.features.needs_explain_extended and not analyze and format is None:
# ANALYZE, EXTENDED, and FORMAT are mutually exclusive options.
prefix += ' EXTENDED'
return prefix
def regex_lookup(self, lookup_type):
# REGEXP BINARY doesn't work correctly in MySQL 8+ and REGEXP_LIKE
# doesn't exist in MySQL 5.6 or in MariaDB.
# doesn't exist in MySQL 5.x or in MariaDB.
if self.connection.mysql_version < (8, 0, 0) or self.connection.mysql_is_mariadb:
if lookup_type == 'regex':
return '%s REGEXP BINARY %s'