77 lines
1.9 KiB
Go
77 lines
1.9 KiB
Go
// Copyright 2015 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ddl
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import (
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb/mysql"
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"github.com/pingcap/tidb/parser/coldef"
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"github.com/pingcap/tidb/util/types"
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)
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func (s *testDDLSuite) TestAlterSpecification(c *C) {
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tbl := []*AlterSpecification{
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{
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Action: AlterTableOpt,
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},
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{
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Action: AlterDropColumn,
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Name: "c1",
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},
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{Action: AlterDropPrimaryKey},
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{Action: AlterDropForeignKey,
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Name: "c"},
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{Action: AlterDropIndex,
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Name: "index_c"},
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{Action: AlterAddConstr,
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Constraint: nil},
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{Action: AlterAddConstr,
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Constraint: &coldef.TableConstraint{
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Tp: coldef.ConstrPrimaryKey,
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Keys: []*coldef.IndexColName{
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{
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ColumnName: "a",
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Length: 10,
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},
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},
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}},
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{Action: AlterAddColumn,
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Column: &coldef.ColumnDef{
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Name: "c",
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Tp: types.NewFieldType(mysql.TypeLong),
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},
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Position: &ColumnPosition{}},
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{Action: AlterAddColumn,
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Column: &coldef.ColumnDef{
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Name: "c",
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Tp: types.NewFieldType(mysql.TypeLong),
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},
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Position: &ColumnPosition{Type: ColumnPositionFirst}},
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{Action: AlterAddColumn,
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Column: &coldef.ColumnDef{
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Name: "c",
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Tp: types.NewFieldType(mysql.TypeLong),
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},
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Position: &ColumnPosition{Type: ColumnPositionAfter,
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RelativeColumn: "c"}},
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// Invalid action returns empty string
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{Action: -1},
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}
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for _, spec := range tbl {
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c.Assert(len(spec.String()), GreaterEqual, 0)
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}
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}
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