Refs #26285 -- Removed MySQL __search lookup per deprecation timeline.

django/db/backends/base/operations.py

@@ -191,15 +191,6 @@ def for_update_sql(self, nowait=False, skip_locked=False):
         else:
             return 'FOR UPDATE'
 
-    def fulltext_search_sql(self, field_name):
-        """
-        Returns the SQL WHERE clause to use in order to perform a full-text
-        search of the given field_name. Note that the resulting string should
-        contain a '%s' placeholder for the value being searched against.
-        """
-        # RemovedInDjango20Warning
-        raise NotImplementedError('Full-text search is not implemented for this database backend')
-
     def last_executed_query(self, cursor, sql, params):
         """
         Returns a string of the query last executed by the given cursor, with

django/db/backends/mysql/operations.py

@@ -110,10 +110,6 @@ def force_no_ordering(self):
         """
         return [(None, ("NULL", [], False))]
 
-    def fulltext_search_sql(self, field_name):
-        # RemovedInDjango20Warning
-        return 'MATCH (%s) AGAINST (%%s IN BOOLEAN MODE)' % field_name
-
     def last_executed_query(self, cursor, sql, params):
         # With MySQLdb, cursor objects have an (undocumented) "_last_executed"
         # attribute where the exact query sent to the database is saved.

django/db/models/lookups.py

@@ -1,6 +1,5 @@
 import itertools
 import math
-import warnings
 from copy import copy
 from decimal import Decimal
 
@@ -10,7 +9,6 @@
     DateTimeField, DecimalField, Field, IntegerField,
 )
 from django.db.models.query_utils import RegisterLookupMixin
-from django.utils.deprecation import RemovedInDjango20Warning
 from django.utils.functional import cached_property
 from django.utils.six.moves import range
 
@@ -509,22 +507,6 @@ def as_sql(self, compiler, connection):
             return "%s IS NOT NULL" % sql, params
 
 
-@Field.register_lookup
-class Search(BuiltinLookup):
-    lookup_name = 'search'
-    prepare_rhs = False
-
-    def as_sql(self, compiler, connection):
-        warnings.warn(
-            'The `__search` lookup is deprecated. See the 1.10 release notes '
-            'for how to replace it.', RemovedInDjango20Warning, stacklevel=2
-        )
-        lhs, lhs_params = self.process_lhs(compiler, connection)
-        rhs, rhs_params = self.process_rhs(compiler, connection)
-        sql_template = connection.ops.fulltext_search_sql(field_name=lhs)
-        return sql_template, lhs_params + rhs_params
-
-
 @Field.register_lookup
 class Regex(BuiltinLookup):
     lookup_name = 'regex'

docs/ref/models/querysets.txt

@@ -2918,33 +2918,6 @@ SQL equivalent::
 
     SELECT ... WHERE pub_date IS NULL;
 
-.. fieldlookup:: search
-
-``search``
-~~~~~~~~~~
-
-.. deprecated:: 1.10
-
-    See :ref:`the 1.10 release notes <search-lookup-replacement>` for how to
-    replace it.
-
-A boolean full-text search, taking advantage of full-text indexing. This is
-like :lookup:`contains` but is significantly faster due to full-text indexing.
-
-Example::
-
-    Entry.objects.filter(headline__search="+Django -jazz Python")
-
-SQL equivalent::
-
-    SELECT ... WHERE MATCH(tablename, headline) AGAINST (+Django -jazz Python IN BOOLEAN MODE);
-
-Note this is only available in MySQL and requires direct manipulation of the
-database to add the full-text index. By default Django uses BOOLEAN MODE for
-full text searches. See the `MySQL documentation`_ for additional details.
-
-.. _MySQL documentation: https://dev.mysql.com/doc/refman/en/fulltext-boolean.html
-
 .. fieldlookup:: regex
 
 ``regex``

docs/releases/2.0.txt

@@ -353,3 +353,5 @@ these features.
 
 * Support for query lookups using the model name when
   ``Meta.default_related_name`` is set is removed.
+
+* The MySQL ``__search`` lookup is removed.

tests/lookup/models.py

@@ -75,19 +75,6 @@ def __str__(self):
         return self.name
 
 
-# To test __search lookup a fulltext index is needed. This
-# is only available when using MySQL 5.6, or when using MyISAM
-# tables. As 5.6 isn't common yet, lets use MyISAM table for
-# testing. The table is manually created by the test method.
-# RemovedInDjango20Warning
-class MyISAMArticle(models.Model):
-    headline = models.CharField(max_length=100)
-
-    class Meta:
-        db_table = 'myisam_article'
-        managed = False
-
-
 class Product(models.Model):
     name = models.CharField(max_length=80)
     qty_target = models.DecimalField(max_digits=6, decimal_places=2)

tests/lookup/tests.py

@@ -3,16 +3,11 @@
 import collections
 from datetime import datetime
 from operator import attrgetter
-from unittest import skipUnless
 
 from django.core.exceptions import FieldError
-from django.db import connection
-from django.test import (
-    TestCase, TransactionTestCase, ignore_warnings, skipUnlessDBFeature,
-)
-from django.utils.deprecation import RemovedInDjango20Warning
+from django.test import TestCase, skipUnlessDBFeature
 
-from .models import Article, Author, Game, MyISAMArticle, Player, Season, Tag
+from .models import Article, Author, Game, Player, Season, Tag
 
 
 class LookupTests(TestCase):
@@ -775,26 +770,3 @@ def test_chain_date_time_lookups(self):
              '<Article: Article 7>'],
             ordered=False
         )
-
-
-class LookupTransactionTests(TransactionTestCase):
-    available_apps = ['lookup']
-
-    @ignore_warnings(category=RemovedInDjango20Warning)
-    @skipUnless(connection.vendor == 'mysql', 'requires MySQL')
-    def test_mysql_lookup_search(self):
-        # To use fulltext indexes on MySQL either version 5.6 is needed, or one must use
-        # MyISAM tables. Neither of these combinations is currently available on CI, so
-        # lets manually create a MyISAM table for Article model.
-        with connection.cursor() as cursor:
-            cursor.execute(
-                "CREATE TEMPORARY TABLE myisam_article ("
-                "    id INTEGER PRIMARY KEY AUTO_INCREMENT, "
-                "    headline VARCHAR(100) NOT NULL "
-                ") ENGINE MYISAM")
-            dr = MyISAMArticle.objects.create(headline='Django Reinhardt')
-            MyISAMArticle.objects.create(headline='Ringo Star')
-            # NOTE: Needs to be created after the article has been saved.
-            cursor.execute(
-                'CREATE FULLTEXT INDEX myisam_article_ft ON myisam_article (headline)')
-            self.assertSequenceEqual(MyISAMArticle.objects.filter(headline__search='Reinhardt'), [dr])