Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

ddl: support altering the other charset to utf8 or utf8mb4 (#8037) #8951

Merged
merged 3 commits into from
Jan 7, 2019
Merged

ddl: support altering the other charset to utf8 or utf8mb4 (#8037) #8951

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
cdfe76c
ddl: support altering the other charset to utf8 or utf8mb4 (#8037)
winkyao Dec 10, 2018
89e85b8
fix error check
crazycs520 Jan 5, 2019
082007d
update go.mod parser
crazycs520 Jan 7, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion ddl/column_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -931,7 +931,7 @@ func (s *testColumnSuite) TestModifyColumn(c *C) {
{"int", "int unsigned", errUnsupportedModifyColumn.GenWithStackByArgs("length 10 is less than origin 11")},
{"varchar(10)", "text", nil},
{"varbinary(10)", "blob", nil},
{"text", "blob", errUnsupportedModifyColumn.GenWithStackByArgs("charset binary not match origin utf8mb4")},
{"text", "blob", errUnsupportedModifyCharset.GenWithStackByArgs("charset from utf8mb4 to binary")},
{"varchar(10)", "varchar(8)", errUnsupportedModifyColumn.GenWithStackByArgs("length 8 is less than origin 10")},
{"varchar(10)", "varchar(11)", nil},
{"varchar(10) character set utf8 collate utf8_bin", "varchar(10) character set utf8", nil},
Expand Down
2 changes: 1 addition & 1 deletion ddl/db_change_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -376,7 +376,7 @@ func (s *testStateChangeSuite) TestAppendEnum(c *C) {
c.Assert(err.Error(), Equals, "[ddl:203]unsupported modify column the number of enum column's elements is less than the original: 2")
failAlterTableSQL2 := "alter table t change c2 c2 int default 0"
_, err = s.se.Execute(context.Background(), failAlterTableSQL2)
c.Assert(err.Error(), Equals, "[ddl:203]unsupported modify column charset binary not match origin utf8mb4")
c.Assert(err.Error(), Equals, "[ddl:210]unsupported modify charset from utf8mb4 to binary")
alterTableSQL := "alter table t change c2 c2 enum('N','Y','A') DEFAULT 'A'"
_, err = s.se.Execute(context.Background(), alterTableSQL)
c.Assert(err, IsNil)
Expand Down
50 changes: 50 additions & 0 deletions ddl/db_integration_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,56 @@ func (s *testIntegrationSuite) TestNullGeneratedColumn(c *C) {
tk.MustExec("drop table t")
}

func (s *testIntegrationSuite) TestChangingCharsetToUtf8(c *C) {
tk := testkit.NewTestKit(c, s.store)

tk.MustExec("USE test")
tk.MustExec("create table t(a char(10) charset latin1)")
tk.MustExec("alter table t modify column a char(10) charset latin1")
tk.MustExec("alter table t modify column a char(10) charset utf8")
tk.MustExec("alter table t modify column a char(10) charset utf8mb4")
rs, err := tk.Exec("alter table t modify column a char(10) charset utf8mb4 collate utf8bin")
if rs != nil {
rs.Close()
}
c.Assert(err, NotNil)
tk.MustExec("alter table t modify column a char(10) charset utf8mb4 collate utf8mb4_bin")
rs, err = tk.Exec("alter table t modify column a char(10) charset utf8 collate utf8_bin")
if rs != nil {
rs.Close()
}

c.Assert(err, NotNil)
tk.MustExec("alter table t modify column a char(10) charset utf8mb4 collate utf8mb4_general_ci")
}

func (s *testIntegrationSuite) TestChangingTableCharset(c *C) {
tk := testkit.NewTestKit(c, s.store)

tk.MustExec("USE test")
tk.MustExec("create table t(a char(10)) charset latin1 collate latin1_bin")
rs, err := tk.Exec("alter table t charset gbk")
if rs != nil {
rs.Close()
}
c.Assert(err.Error(), Equals, "Unknown charset gbk")
tk.MustExec("alter table t charset utf8")
tk.MustExec("alter table t charset utf8 collate utf8_bin")
rs, err = tk.Exec("alter table t charset utf8 collate latin1_bin")
if rs != nil {
rs.Close()
}
c.Assert(err, NotNil)
tk.MustExec("alter table t charset utf8mb4")
tk.MustExec("alter table t charset utf8mb4 collate utf8mb4_bin")

rs, err = tk.Exec("alter table t charset utf8 collate utf8_bin")
if rs != nil {
rs.Close()
}
c.Assert(err, NotNil)
}

func (s *testIntegrationSuite) TestCaseInsensitiveCharsetAndCollate(c *C) {
tk := testkit.NewTestKit(c, s.store)

Expand Down
93 changes: 93 additions & 0 deletions ddl/db_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ import (
. "github.com/pingcap/check"
"github.com/pingcap/errors"
"github.com/pingcap/parser/ast"
"github.com/pingcap/parser/charset"
"github.com/pingcap/parser/model"
"github.com/pingcap/parser/mysql"
tmysql "github.com/pingcap/parser/mysql"
Expand Down Expand Up @@ -3589,6 +3590,98 @@ func (s *testDBSuite) TestPartitionAddIndex(c *C) {
tk.MustExec("drop table partition_add_idx")
}

func (s *testDBSuite) TestAlterTableCharset(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("create database test_charset")
defer tk.MustExec("drop database test_charset")
tk.MustExec("use test_charset")
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a int) charset latin1")
ctx := tk.Se.(sessionctx.Context)
is := domain.GetDomain(ctx).InfoSchema()
t, err := is.TableByName(model.NewCIStr("test_charset"), model.NewCIStr("t"))
c.Assert(err, IsNil)
c.Assert(t.Meta().Charset, Equals, "latin1")
defCollate, err := charset.GetDefaultCollation("latin1")
c.Assert(err, IsNil)
c.Assert(t.Meta().Collate, Equals, defCollate)

tk.MustExec("alter table t charset utf8")
is = domain.GetDomain(ctx).InfoSchema()
t, err = is.TableByName(model.NewCIStr("test_charset"), model.NewCIStr("t"))
c.Assert(t.Meta().Charset, Equals, "utf8")
defCollate, err = charset.GetDefaultCollation("utf8")
c.Assert(err, IsNil)
c.Assert(t.Meta().Collate, Equals, defCollate)

tk.MustExec("alter table t charset utf8mb4 collate utf8mb4_general_ci")
is = domain.GetDomain(ctx).InfoSchema()
t, err = is.TableByName(model.NewCIStr("test_charset"), model.NewCIStr("t"))
c.Assert(t.Meta().Charset, Equals, "utf8mb4")
c.Assert(t.Meta().Collate, Equals, "utf8mb4_general_ci")

rs, err := tk.Exec("alter table t charset utf8")
if rs != nil {
rs.Close()
}

c.Assert(err.Error(), Equals, "[ddl:210]unsupported modify charset from utf8mb4 to utf8")
}

func (s *testDBSuite) TestAlterColumnCharset(c *C) {
tk := testkit.NewTestKit(c, s.store)
tk.MustExec("create database test_charset")
defer tk.MustExec("drop database test_charset")
tk.MustExec("use test_charset")
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(a char(10) charset latin1)")
ctx := tk.Se.(sessionctx.Context)
is := domain.GetDomain(ctx).InfoSchema()
t, err := is.TableByName(model.NewCIStr("test_charset"), model.NewCIStr("t"))
c.Assert(err, IsNil)
col := model.FindColumnInfo(t.Meta().Columns, "a")
c.Assert(col, NotNil)
c.Assert(col.Charset, Equals, "latin1")
defCollate, err := charset.GetDefaultCollation("latin1")
c.Assert(err, IsNil)
c.Assert(col.Collate, Equals, defCollate)

tk.MustExec("alter table t modify column a char(10) charset utf8")
is = domain.GetDomain(ctx).InfoSchema()
t, err = is.TableByName(model.NewCIStr("test_charset"), model.NewCIStr("t"))
c.Assert(err, IsNil)
col = model.FindColumnInfo(t.Meta().Columns, "a")
c.Assert(col, NotNil)
c.Assert(col.Charset, Equals, "utf8")
defCollate, err = charset.GetDefaultCollation("utf8")
c.Assert(err, IsNil)
c.Assert(col.Collate, Equals, defCollate)

tk.MustExec("alter table t modify column a char(10) charset utf8 collate utf8_general_ci")
is = domain.GetDomain(ctx).InfoSchema()
t, err = is.TableByName(model.NewCIStr("test_charset"), model.NewCIStr("t"))
c.Assert(err, IsNil)
col = model.FindColumnInfo(t.Meta().Columns, "a")
c.Assert(col, NotNil)
c.Assert(col.Charset, Equals, "utf8")
c.Assert(col.Collate, Equals, "utf8_general_ci")

tk.MustExec("alter table t modify column a char(10) charset utf8mb4 collate utf8mb4_general_ci")
is = domain.GetDomain(ctx).InfoSchema()
t, err = is.TableByName(model.NewCIStr("test_charset"), model.NewCIStr("t"))
c.Assert(err, IsNil)
col = model.FindColumnInfo(t.Meta().Columns, "a")
c.Assert(col, NotNil)
c.Assert(col.Charset, Equals, "utf8mb4")
c.Assert(col.Collate, Equals, "utf8mb4_general_ci")

rs, err := tk.Exec("alter table t modify column a char(10) charset utf8")
if rs != nil {
rs.Close()
}
c.Assert(err.Error(), Equals, "[ddl:210]unsupported modify charset from utf8mb4 to utf8")
}

func (s *testDBSuite) TestDropSchemaWithPartitionTable(c *C) {
s.tk = testkit.NewTestKit(c, s.store)
s.tk.MustExec("drop database if exists test_db_with_partition")
Expand Down
26 changes: 15 additions & 11 deletions ddl/ddl.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -84,10 +84,11 @@ var (
errInvalidStoreVer = terror.ClassDDL.New(codeInvalidStoreVer, "invalid storage current version")

// We don't support dropping column with index covered now.
errCantDropColWithIndex = terror.ClassDDL.New(codeCantDropColWithIndex, "can't drop column with index")
errUnsupportedAddColumn = terror.ClassDDL.New(codeUnsupportedAddColumn, "unsupported add column")
errUnsupportedModifyColumn = terror.ClassDDL.New(codeUnsupportedModifyColumn, "unsupported modify column %s")
errUnsupportedPKHandle = terror.ClassDDL.New(codeUnsupportedDropPKHandle,
errCantDropColWithIndex = terror.ClassDDL.New(codeCantDropColWithIndex, "can't drop column with index")
errUnsupportedAddColumn = terror.ClassDDL.New(codeUnsupportedAddColumn, "unsupported add column")
errUnsupportedModifyColumn = terror.ClassDDL.New(codeUnsupportedModifyColumn, "unsupported modify column %s")
errUnsupportedModifyCharset = terror.ClassDDL.New(codeUnsupportedModifyCharset, "unsupported modify %s")
errUnsupportedPKHandle = terror.ClassDDL.New(codeUnsupportedDropPKHandle,
"unsupported drop integer primary key")
errUnsupportedCharset = terror.ClassDDL.New(codeUnsupportedCharset, "unsupported charset %s collate %s")

Expand Down Expand Up @@ -564,13 +565,16 @@ const (
codeInvalidIndexState = 103
codeInvalidForeignKeyState = 104

codeCantDropColWithIndex = 201
codeUnsupportedAddColumn = 202
codeUnsupportedModifyColumn = 203
codeUnsupportedDropPKHandle = 204
codeUnsupportedCharset = 205
codeUnsupportedModifyPrimaryKey = 206
codeUnsupportedShardRowIDBits = 207
codeCantDropColWithIndex = 201
codeUnsupportedAddColumn = 202
codeUnsupportedModifyColumn = 203
codeUnsupportedDropPKHandle = 204
codeUnsupportedCharset = 205
codeUnsupportedModifyPrimaryKey = 206
codeUnsupportedShardRowIDBits = 207
codeUnsupportedAddPartition = 208
codeUnsupportedCoalescePartition = 209
codeUnsupportedModifyCharset = 210

codeFileNotFound = 1017
codeErrorOnRename = 1025
Expand Down
Loading