expression, tests: move more test cases to integrationtest

expression/integration_serial_test/BUILD.bazel

@@ -8,11 +8,10 @@ go_test(
         "main_test.go",
     ],
     flaky = True,
-    shard_count = 17,
+    shard_count = 14,
     deps = [
         "//config",
         "//expression",
-        "//parser/mysql",
         "//parser/terror",
         "//planner/core",
         "//session",

expression/integration_test/BUILD.bazel

@@ -8,7 +8,7 @@ go_test(
         "main_test.go",
     ],
     flaky = True,
-    shard_count = 50,
+    shard_count = 41,
     deps = [
         "//config",
         "//domain",
@@ -31,7 +31,6 @@ go_test(
         "//util/codec",
         "//util/collate",
         "//util/sem",
-        "//util/sqlexec",
         "//util/timeutil",
         "//util/versioninfo",
         "@com_github_pingcap_errors//:errors",

tests/integrationtest/r/expression/cast.result

@@ -0,0 +1,80 @@
+select cast('' as signed);
+cast('' as signed)
+0
+show warnings;
+Level	Code	Message
+select cast('12345abcde' as signed);
+cast('12345abcde' as signed)
+12345
+show warnings;
+Level	Code	Message
+select cast('123e456' as signed);
+cast('123e456' as signed)
+123
+show warnings;
+Level	Code	Message
+select cast('-12345abcde' as signed);
+cast('-12345abcde' as signed)
+-12345
+show warnings;
+Level	Code	Message
+select cast('-123e456' as signed);
+cast('-123e456' as signed)
+-123
+show warnings;
+Level	Code	Message
+select coercibility(binary('a'));
+coercibility(binary('a'))
+2
+select coercibility(cast('a' as char(10)));
+coercibility(cast('a' as char(10)))
+2
+select coercibility(convert('abc', char(10)));
+coercibility(convert('abc', char(10)))
+2
+drop table if exists t;
+create table t(d1 double, f float, d2 decimal(24,8));
+insert into t values(0, 0, 0);
+select cast(111.1 as datetime) from t;
+cast(111.1 as datetime)
+2000-01-11 00:00:00
+select cast(1311.1 as datetime) from t;
+cast(1311.1 as datetime)
+NULL
+insert into t values(111.1, 1122.1, 31212.111);
+insert into t values(121212.1111, 1121212.111111, 11121212.111111);
+insert into t values(99991111.1111111, 101.1111111, 20121212121212.1111111);
+insert into t values(NULL, NULL, NULL);
+insert into t values(1.1, 48.1, 100.1);
+insert into t values(1301.11, 1131.111, 100001111.111);
+insert into t values(20121212121260.1111111, 20121212126012.1111111, 20121212241212.1111111);
+select cast(d1 as datetime), cast(f as datetime), cast(d2 as datetime) from t;
+cast(d1 as datetime)	cast(f as datetime)	cast(d2 as datetime)
+NULL	NULL	NULL
+NULL	NULL	NULL
+NULL	NULL	NULL
+NULL	NULL	NULL
+0000-00-00 00:00:00	0000-00-00 00:00:00	0000-00-00 00:00:00
+2000-01-11 00:00:00	2000-11-22 00:00:00	2003-12-12 00:00:00
+2012-12-12 00:00:00	0112-12-12 00:00:00	1112-12-12 00:00:00
+9999-11-11 00:00:00	2000-01-01 00:00:00	2012-12-12 12:12:12
+drop table if exists t;
+create table t (col1 bigint, col2 double, col3 decimal, col4 varchar(20), col5 json);
+insert into t values (1, 1, 1, "1", "1");
+insert into t values (null, null, null, null, null);
+select cast(col1 as time), cast(col2 as time), cast(col3 as time), cast(col4 as time), cast(col5 as time) from t where col1 = 1;
+cast(col1 as time)	cast(col2 as time)	cast(col3 as time)	cast(col4 as time)	cast(col5 as time)
+00:00:01	00:00:01	00:00:01	00:00:01	NULL
+select cast(col1 as time), cast(col2 as time), cast(col3 as time), cast(col4 as time), cast(col5 as time) from t where col1 is null;
+cast(col1 as time)	cast(col2 as time)	cast(col3 as time)	cast(col4 as time)	cast(col5 as time)
+NULL	NULL	NULL	NULL	NULL
+select cast(col1 as time(31)) from t where col1 is null;
+Error 1426: Too big precision 31 specified for column 'CAST'. Maximum is 6.
+select cast(col2 as time(31)) from t where col1 is null;
+Error 1426: Too big precision 31 specified for column 'CAST'. Maximum is 6.
+select cast(col3 as time(31)) from t where col1 is null;
+Error 1426: Too big precision 31 specified for column 'CAST'. Maximum is 6.
+select cast(col4 as time(31)) from t where col1 is null;
+Error 1426: Too big precision 31 specified for column 'CAST'. Maximum is 6.
+select cast(col5 as time(31)) from t where col1 is null;
+Error 1426: Too big precision 31 specified for column 'CAST'. Maximum is 6.

tests/integrationtest/r/expression/issues.result

@@ -2628,3 +2628,34 @@ NULL	0
 0	0
 0	0
 1	1
+drop table if exists author_addresses, authors;
+CREATE TABLE author_addresses (
+id bigint(20) NOT NULL AUTO_INCREMENT,
+PRIMARY KEY (id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+CREATE TABLE authors (
+id bigint(20) NOT NULL AUTO_INCREMENT,
+name varchar(255) NOT NULL,
+author_address_id bigint(20) DEFAULT NULL,
+author_address_extra_id bigint(20) DEFAULT NULL,
+organization_id varchar(255) DEFAULT NULL,
+owned_essay_id varchar(255) DEFAULT NULL,
+PRIMARY KEY (id),
+KEY index_authors_on_author_address_id (author_address_id),
+KEY index_authors_on_author_address_extra_id (author_address_extra_id),
+CONSTRAINT fk_rails_94423a17a3 FOREIGN KEY (author_address_id) REFERENCES author_addresses (id) ON UPDATE CASCADE ON DELETE RESTRICT
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+SELECT fk.referenced_table_name AS 'to_table',
+fk.referenced_column_name AS 'primary_key',
+fk.column_name AS 'column',
+fk.constraint_name AS 'name',
+rc.update_rule AS 'on_update',
+rc.delete_rule AS 'on_delete'
+FROM information_schema.referential_constraints rc
+JOIN information_schema.key_column_usage fk
+USING (constraint_schema, constraint_name)
+WHERE fk.referenced_column_name IS NOT NULL
+AND fk.table_schema = database()
+AND fk.table_name = 'authors';
+to_table	primary_key	column	name	on_update	on_delete
+author_addresses	id	author_address_id	fk_rails_94423a17a3	CASCADE	RESTRICT