121 lines
3.4 KiB
Go
121 lines
3.4 KiB
Go
// Copyright 2016 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 tables_test
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import (
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. "github.com/pingcap/check"
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"github.com/pingcap/tidb"
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"github.com/pingcap/tidb/context"
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"github.com/pingcap/tidb/kv"
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"github.com/pingcap/tidb/meta/autoid"
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"github.com/pingcap/tidb/model"
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"github.com/pingcap/tidb/mysql"
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"github.com/pingcap/tidb/store/localstore"
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"github.com/pingcap/tidb/store/localstore/goleveldb"
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"github.com/pingcap/tidb/table"
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"github.com/pingcap/tidb/table/tables"
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"github.com/pingcap/tidb/util/types"
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)
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var _ = Suite(&testMemoryTableSuite{})
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type testMemoryTableSuite struct {
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store kv.Storage
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se tidb.Session
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tbl table.Table
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}
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func (ts *testMemoryTableSuite) SetUpSuite(c *C) {
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driver := localstore.Driver{Driver: goleveldb.MemoryDriver{}}
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store, err := driver.Open("memory")
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c.Check(err, IsNil)
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ts.store = store
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ts.se, err = tidb.CreateSession(ts.store)
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c.Assert(err, IsNil)
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// create table
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tp1 := types.NewFieldType(mysql.TypeLong)
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col1 := &model.ColumnInfo{
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ID: 1,
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Name: model.NewCIStr("a"),
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Offset: 0,
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FieldType: *tp1,
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}
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tp2 := types.NewFieldType(mysql.TypeVarchar)
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tp2.Flen = 255
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col2 := &model.ColumnInfo{
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ID: 2,
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Name: model.NewCIStr("b"),
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Offset: 1,
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FieldType: *tp2,
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}
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tblInfo := &model.TableInfo{
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ID: 100,
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Name: model.NewCIStr("t"),
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Columns: []*model.ColumnInfo{col1, col2},
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}
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alloc := autoid.NewMemoryAllocator(int64(10))
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ts.tbl, _ = tables.MemoryTableFromMeta(alloc, tblInfo)
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}
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func (ts *testMemoryTableSuite) TestMemoryBasic(c *C) {
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ctx := ts.se.(context.Context)
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tb := ts.tbl
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c.Assert(tb.Meta(), NotNil)
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c.Assert(tb.Meta().ID, Greater, int64(0))
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c.Assert(tb.Meta().Name.L, Equals, "t")
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c.Assert(tb.Indices(), IsNil)
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c.Assert(string(tb.FirstKey()), Not(Equals), "")
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c.Assert(string(tb.RecordPrefix()), Not(Equals), "")
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autoid, err := tb.AllocAutoID()
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c.Assert(err, IsNil)
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c.Assert(autoid, Greater, int64(0))
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rid, err := tb.AddRecord(ctx, types.MakeDatums(1, "abc"))
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c.Assert(err, IsNil)
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row, err := tb.Row(ctx, rid)
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c.Assert(err, IsNil)
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c.Assert(len(row), Equals, 2)
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c.Assert(row[0].GetInt64(), Equals, int64(1))
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_, err = tb.AddRecord(ctx, types.MakeDatums(1, "aba"))
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c.Assert(err, IsNil)
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_, err = tb.AddRecord(ctx, types.MakeDatums(2, "abc"))
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c.Assert(err, IsNil)
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tb.IterRecords(ctx, tb.FirstKey(), tb.Cols(), func(h int64, data []types.Datum, cols []*table.Column) (bool, error) {
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return true, nil
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})
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// RowWithCols test
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vals, err := tb.RowWithCols(ctx, rid, tb.Cols())
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c.Assert(err, IsNil)
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c.Assert(vals, HasLen, 2)
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c.Assert(vals[0].GetInt64(), Equals, int64(1))
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cols := []*table.Column{tb.Cols()[1]}
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vals, err = tb.RowWithCols(ctx, rid, cols)
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c.Assert(err, IsNil)
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c.Assert(vals, HasLen, 1)
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c.Assert(vals[0].GetString(), Equals, "abc")
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c.Assert(tb.RemoveRecord(ctx, rid, types.MakeDatums(1, "cba")), IsNil)
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_, err = tb.AddRecord(ctx, types.MakeDatums(1, "abc"))
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c.Assert(err, IsNil)
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c.Assert(tb.Truncate(ctx), IsNil)
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_, err = tb.Row(ctx, rid)
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c.Assert(err, NotNil)
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}
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