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vdiff_test.go
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vdiff_test.go
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/*
Copyright 2019 The Vitess Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package wrangler
import (
"context"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"vitess.io/vitess/go/mysql/collations"
"vitess.io/vitess/go/sqltypes"
binlogdatapb "vitess.io/vitess/go/vt/proto/binlogdata"
tabletmanagerdatapb "vitess.io/vitess/go/vt/proto/tabletmanagerdata"
"vitess.io/vitess/go/vt/sqlparser"
"vitess.io/vitess/go/vt/topo"
"vitess.io/vitess/go/vt/vtenv"
"vitess.io/vitess/go/vt/vtgate/engine"
"vitess.io/vitess/go/vt/vtgate/engine/opcode"
"vitess.io/vitess/go/vt/vtgate/evalengine"
)
func TestVDiffPlanSuccess(t *testing.T) {
collationEnv := collations.MySQL8()
parser := sqlparser.NewTestParser()
schm := &tabletmanagerdatapb.SchemaDefinition{
TableDefinitions: []*tabletmanagerdatapb.TableDefinition{{
Name: "t1",
Columns: []string{"c1", "c2"},
PrimaryKeyColumns: []string{"c1"},
Fields: sqltypes.MakeTestFields("c1|c2", "int64|int64"),
Schema: "create table t1(c1 bigint, c2 bigint, primary key(c1))",
}, {
Name: "nonpktext",
Columns: []string{"c1", "textcol"},
PrimaryKeyColumns: []string{"c1"},
Fields: sqltypes.MakeTestFields("c1|textcol", "int64|varchar"),
Schema: "create table nonpktext(c1 bigint, textcol text, primary key(c1))",
}, {
Name: "pktext",
Columns: []string{"textcol", "c2"},
PrimaryKeyColumns: []string{"textcol"},
Fields: sqltypes.MakeTestFields("textcol|c2", "varchar|int64"),
Schema: "create table pktext(textcol varchar(50), c2 bigint, primary key(textcol))",
}, {
Name: "multipk",
Columns: []string{"c1", "c2"},
PrimaryKeyColumns: []string{"c1", "c2"},
Fields: sqltypes.MakeTestFields("c1|c2", "int64|int64"),
Schema: "create table multipk(c1 bigint, c2 bigint, primary key(c1, c2))",
}, {
Name: "aggr",
Columns: []string{"c1", "c2", "c3", "c4"},
PrimaryKeyColumns: []string{"c1"},
Fields: sqltypes.MakeTestFields("c1|c2|c3|c4", "int64|int64|int64|int64"),
Schema: "create table aggr(c1 bigint, c2 bigint, c3 bigint, c4 bigint, primary key(c1))",
}, {
Name: "datze",
Columns: []string{"id", "dt"},
PrimaryKeyColumns: []string{"id"},
Fields: sqltypes.MakeTestFields("id|dt", "int64|datetime"),
Schema: "create table datze(id bigint, dt datetime, primary key(id))",
}},
}
testcases := []struct {
input *binlogdatapb.Rule
table string
td *tableDiffer
sourceTimeZone string
}{{
input: &binlogdatapb.Rule{
Match: "t1",
},
table: "t1",
td: &tableDiffer{
targetTable: "t1",
sourceExpression: "select c1, c2 from t1 order by c1 asc",
targetExpression: "select c1, c2 from t1 order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "-80",
},
table: "t1",
td: &tableDiffer{
targetTable: "t1",
sourceExpression: "select c1, c2 from t1 order by c1 asc",
targetExpression: "select c1, c2 from t1 order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select * from t1",
},
table: "t1",
td: &tableDiffer{
targetTable: "t1",
sourceExpression: "select c1, c2 from t1 order by c1 asc",
targetExpression: "select c1, c2 from t1 order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select c2, c1 from t1",
},
table: "t1",
td: &tableDiffer{
targetTable: "t1",
sourceExpression: "select c2, c1 from t1 order by c1 asc",
targetExpression: "select c2, c1 from t1 order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, false}, {1, collations.Unknown, nil, true}},
comparePKs: []compareColInfo{{1, collations.Unknown, nil, true}},
pkCols: []int{1},
selectPks: []int{1},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{1, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{1, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select c0 as c1, c2 from t2",
},
table: "t1",
td: &tableDiffer{
targetTable: "t1",
sourceExpression: "select c0 as c1, c2 from t2 order by c1 asc",
targetExpression: "select c1, c2 from t1 order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// non-pk text column.
input: &binlogdatapb.Rule{
Match: "nonpktext",
Filter: "select c1, textcol from nonpktext",
},
table: "nonpktext",
td: &tableDiffer{
targetTable: "nonpktext",
sourceExpression: "select c1, textcol from nonpktext order by c1 asc",
targetExpression: "select c1, textcol from nonpktext order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// non-pk text column, different order.
input: &binlogdatapb.Rule{
Match: "nonpktext",
Filter: "select textcol, c1 from nonpktext",
},
table: "nonpktext",
td: &tableDiffer{
targetTable: "nonpktext",
sourceExpression: "select textcol, c1 from nonpktext order by c1 asc",
targetExpression: "select textcol, c1 from nonpktext order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, false}, {1, collations.Unknown, nil, true}},
comparePKs: []compareColInfo{{1, collations.Unknown, nil, true}},
pkCols: []int{1},
selectPks: []int{1},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{1, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{1, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// pk text column.
input: &binlogdatapb.Rule{
Match: "pktext",
Filter: "select textcol, c2 from pktext",
},
table: "pktext",
td: &tableDiffer{
targetTable: "pktext",
sourceExpression: "select textcol, c2 from pktext order by textcol asc",
targetExpression: "select textcol, c2 from pktext order by textcol asc",
compareCols: []compareColInfo{{0, collationEnv.DefaultConnectionCharset(), nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collationEnv.DefaultConnectionCharset(), nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collationEnv.DefaultConnectionCharset(), nil, false}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collationEnv.DefaultConnectionCharset(), nil, false}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// pk text column, different order.
input: &binlogdatapb.Rule{
Match: "pktext",
Filter: "select c2, textcol from pktext",
},
table: "pktext",
td: &tableDiffer{
targetTable: "pktext",
sourceExpression: "select c2, textcol from pktext order by textcol asc",
targetExpression: "select c2, textcol from pktext order by textcol asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, false}, {1, collationEnv.DefaultConnectionCharset(), nil, true}},
comparePKs: []compareColInfo{{1, collationEnv.DefaultConnectionCharset(), nil, true}},
pkCols: []int{1},
selectPks: []int{1},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{1, collationEnv.DefaultConnectionCharset(), nil, false}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{1, collationEnv.DefaultConnectionCharset(), nil, false}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// text column as expression.
input: &binlogdatapb.Rule{
Match: "pktext",
Filter: "select c2, a+b as textcol from pktext",
},
table: "pktext",
td: &tableDiffer{
targetTable: "pktext",
sourceExpression: "select c2, a + b as textcol from pktext order by textcol asc",
targetExpression: "select c2, textcol from pktext order by textcol asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, false}, {1, collationEnv.DefaultConnectionCharset(), nil, true}},
comparePKs: []compareColInfo{{1, collationEnv.DefaultConnectionCharset(), nil, true}},
pkCols: []int{1},
selectPks: []int{1},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{1, collationEnv.DefaultConnectionCharset(), nil, false}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{1, collationEnv.DefaultConnectionCharset(), nil, false}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
input: &binlogdatapb.Rule{
Match: "multipk",
},
table: "multipk",
td: &tableDiffer{
targetTable: "multipk",
sourceExpression: "select c1, c2 from multipk order by c1 asc, c2 asc",
targetExpression: "select c1, c2 from multipk order by c1 asc, c2 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, true}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, true}},
pkCols: []int{0, 1},
selectPks: []int{0, 1},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// in_keyrange
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select * from t1 where in_keyrange('-80')",
},
table: "t1",
td: &tableDiffer{
targetTable: "t1",
sourceExpression: "select c1, c2 from t1 order by c1 asc",
targetExpression: "select c1, c2 from t1 order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// in_keyrange on RHS of AND.
// This is currently not a valid construct, but will be supported in the future.
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select * from t1 where c2 = 2 and in_keyrange('-80')",
},
table: "t1",
td: &tableDiffer{
targetTable: "t1",
sourceExpression: "select c1, c2 from t1 where c2 = 2 order by c1 asc",
targetExpression: "select c1, c2 from t1 order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// in_keyrange on LHS of AND.
// This is currently not a valid construct, but will be supported in the future.
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select * from t1 where in_keyrange('-80') and c2 = 2",
},
table: "t1",
td: &tableDiffer{
targetTable: "t1",
sourceExpression: "select c1, c2 from t1 where c2 = 2 order by c1 asc",
targetExpression: "select c1, c2 from t1 order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// in_keyrange on cascaded AND expression
// This is currently not a valid construct, but will be supported in the future.
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select * from t1 where c2 = 2 and c1 = 1 and in_keyrange('-80')",
},
table: "t1",
td: &tableDiffer{
targetTable: "t1",
sourceExpression: "select c1, c2 from t1 where c2 = 2 and c1 = 1 order by c1 asc",
targetExpression: "select c1, c2 from t1 order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// in_keyrange parenthesized
// This is currently not a valid construct, but will be supported in the future.
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select * from t1 where (c2 = 2 and in_keyrange('-80'))",
},
table: "t1",
td: &tableDiffer{
targetTable: "t1",
sourceExpression: "select c1, c2 from t1 where c2 = 2 order by c1 asc",
targetExpression: "select c1, c2 from t1 order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// group by
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select * from t1 group by c1",
},
table: "t1",
td: &tableDiffer{
targetTable: "t1",
sourceExpression: "select c1, c2 from t1 group by c1 order by c1 asc",
targetExpression: "select c1, c2 from t1 order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
// aggregations
input: &binlogdatapb.Rule{
Match: "aggr",
Filter: "select c1, c2, count(*) as c3, sum(c4) as c4 from t1 group by c1",
},
table: "aggr",
td: &tableDiffer{
targetTable: "aggr",
sourceExpression: "select c1, c2, count(*) as c3, sum(c4) as c4 from t1 group by c1 order by c1 asc",
targetExpression: "select c1, c2, c3, c4 from aggr order by c1 asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}, {2, collations.Unknown, nil, false}, {3, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: &engine.OrderedAggregate{
Aggregates: []*engine.AggregateParams{
engine.NewAggregateParam(opcode.AggregateSum, 2, "", collationEnv),
engine.NewAggregateParam(opcode.AggregateSum, 3, "", collationEnv),
},
GroupByKeys: []*engine.GroupByParams{{KeyCol: 0, WeightStringCol: -1, CollationEnv: collations.MySQL8()}},
Input: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
},
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}, {
input: &binlogdatapb.Rule{
Match: "datze",
},
sourceTimeZone: "US/Pacific",
table: "datze",
td: &tableDiffer{
targetTable: "datze",
sourceExpression: "select id, dt from datze order by id asc",
targetExpression: "select id, convert_tz(dt, 'UTC', 'US/Pacific') as dt from datze order by id asc",
compareCols: []compareColInfo{{0, collations.Unknown, nil, true}, {1, collations.Unknown, nil, false}},
comparePKs: []compareColInfo{{0, collations.Unknown, nil, true}},
pkCols: []int{0},
selectPks: []int{0},
sourcePrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
targetPrimitive: newMergeSorter(nil, []compareColInfo{{0, collations.Unknown, nil, true}}, collationEnv),
collationEnv: collationEnv,
parser: parser,
},
}}
for _, tcase := range testcases {
t.Run(tcase.input.Filter, func(t *testing.T) {
filter := &binlogdatapb.Filter{Rules: []*binlogdatapb.Rule{tcase.input}}
df := &vdiff{env: vtenv.NewTestEnv(), sourceTimeZone: tcase.sourceTimeZone, targetTimeZone: "UTC"}
err := df.buildVDiffPlan(filter, schm, nil)
require.NoError(t, err, tcase.input)
require.Equal(t, 1, len(df.differs), tcase.input)
assert.Equal(t, tcase.td, df.differs[tcase.table], tcase.input)
})
}
}
func TestVDiffPlanFailure(t *testing.T) {
schm := &tabletmanagerdatapb.SchemaDefinition{
TableDefinitions: []*tabletmanagerdatapb.TableDefinition{{
Name: "t1",
Columns: []string{"c1", "c2"},
PrimaryKeyColumns: []string{"c1"},
Fields: sqltypes.MakeTestFields("c1|c2", "int64|int64"),
}},
}
testcases := []struct {
input *binlogdatapb.Rule
err string
}{{
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "bad query",
},
err: "syntax error at position 4 near 'bad'",
}, {
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "update t1 set c1=2",
},
err: "unexpected: update t1 set c1 = 2",
}, {
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select c1+1 from t1",
},
err: "expression needs an alias: c1 + 1",
}, {
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select next 2 values from t1",
},
err: "unexpected: select next 2 values from t1",
}, {
input: &binlogdatapb.Rule{
Match: "t1",
Filter: "select c3 from t1",
},
err: "column c3 not found in table t1",
}}
for _, tcase := range testcases {
filter := &binlogdatapb.Filter{Rules: []*binlogdatapb.Rule{tcase.input}}
df := &vdiff{env: vtenv.NewTestEnv()}
err := df.buildVDiffPlan(filter, schm, nil)
assert.EqualError(t, err, tcase.err, tcase.input)
}
}
func TestVDiffUnsharded(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
env := newTestVDiffEnv(t, ctx, []string{"0"}, []string{"0"}, "", nil)
defer env.close()
schm := &tabletmanagerdatapb.SchemaDefinition{
TableDefinitions: []*tabletmanagerdatapb.TableDefinition{{
Name: "t1",
Columns: []string{"c1", "c2"},
PrimaryKeyColumns: []string{"c1"},
Fields: sqltypes.MakeTestFields("c1|c2", "int64|int64"),
Schema: "create table t1(c1 bigint, c2 bigint, primary key(c1))",
}},
}
env.tmc.schema = schm
fields := sqltypes.MakeTestFields(
"c1|c2",
"int64|int64",
)
testcases := []struct {
id string
source []*sqltypes.Result
target []*sqltypes.Result
dr *DiffReport
onlyPks bool
debug bool
}{{
id: "1",
source: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"2|4",
"---",
"3|1",
),
target: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"2|4",
"3|1",
),
dr: &DiffReport{
ProcessedRows: 3,
MatchingRows: 3,
TableName: "t1",
},
}, {
id: "2",
source: sqltypes.MakeTestStreamingResults(fields,
"1|3",
),
target: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"2|4",
"3|1",
),
dr: &DiffReport{
ProcessedRows: 3,
MatchingRows: 1,
ExtraRowsTarget: 2,
TableName: "t1",
ExtraRowsTargetDiffs: []*RowDiff{
{
Row: map[string]sqltypes.Value{
"c1": sqltypes.NewInt64(2),
"c2": sqltypes.NewInt64(4),
},
Query: "",
},
},
},
}, {
id: "3",
source: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"2|4",
"3|1",
),
target: sqltypes.MakeTestStreamingResults(fields,
"1|3",
),
dr: &DiffReport{
ProcessedRows: 3,
MatchingRows: 1,
ExtraRowsSource: 2,
TableName: "t1",
ExtraRowsSourceDiffs: []*RowDiff{
{
Row: map[string]sqltypes.Value{
"c1": sqltypes.NewInt64(2),
"c2": sqltypes.NewInt64(4),
},
Query: "",
},
},
},
}, {
id: "4",
source: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"2|4",
"3|1",
),
target: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"3|1",
),
dr: &DiffReport{
ProcessedRows: 3,
MatchingRows: 2,
ExtraRowsSource: 1,
TableName: "t1",
ExtraRowsSourceDiffs: []*RowDiff{
{
Row: map[string]sqltypes.Value{
"c1": sqltypes.NewInt64(2),
"c2": sqltypes.NewInt64(4),
},
Query: "",
},
},
},
}, {
id: "5",
source: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"3|1",
),
target: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"2|4",
"3|1",
),
dr: &DiffReport{
ProcessedRows: 3,
MatchingRows: 2,
ExtraRowsTarget: 1,
TableName: "t1",
ExtraRowsTargetDiffs: []*RowDiff{
{
Row: map[string]sqltypes.Value{
"c1": sqltypes.NewInt64(2),
"c2": sqltypes.NewInt64(4),
},
Query: "",
},
},
},
}, {
id: "6",
source: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"2|3",
"3|1",
),
target: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"2|4",
"3|1",
),
dr: &DiffReport{
ProcessedRows: 3,
MatchingRows: 2,
MismatchedRows: 1,
TableName: "t1",
MismatchedRowsSample: []*DiffMismatch{
{
Source: &RowDiff{Row: map[string]sqltypes.Value{
"c1": sqltypes.NewInt64(2),
"c2": sqltypes.NewInt64(3),
},
Query: "",
},
Target: &RowDiff{Row: map[string]sqltypes.Value{
"c1": sqltypes.NewInt64(2),
"c2": sqltypes.NewInt64(4),
},
Query: "",
},
},
},
},
}, {
id: "7",
onlyPks: true,
source: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"2|3",
"3|1",
),
target: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"2|4",
"3|1",
),
dr: &DiffReport{
ProcessedRows: 3,
MatchingRows: 2,
MismatchedRows: 1,
TableName: "t1",
MismatchedRowsSample: []*DiffMismatch{
{
Source: &RowDiff{Row: map[string]sqltypes.Value{
"c1": sqltypes.NewInt64(2),
},
Query: "",
},
Target: &RowDiff{Row: map[string]sqltypes.Value{
"c1": sqltypes.NewInt64(2),
},
Query: "",
},
},
},
},
}, {
id: "8",
debug: true,
source: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"2|3",
"3|1",
),
target: sqltypes.MakeTestStreamingResults(fields,
"1|3",
"---",
"2|4",
"3|1",
),
dr: &DiffReport{
ProcessedRows: 3,
MatchingRows: 2,
MismatchedRows: 1,
TableName: "t1",
MismatchedRowsSample: []*DiffMismatch{
{
Source: &RowDiff{Row: map[string]sqltypes.Value{
"c1": sqltypes.NewInt64(2),
"c2": sqltypes.NewInt64(3),
},
Query: "select c1, c2 from t1 where c1=2;",
},
Target: &RowDiff{Row: map[string]sqltypes.Value{
"c1": sqltypes.NewInt64(2),
"c2": sqltypes.NewInt64(4),
},
Query: "select c1, c2 from t1 where c1=2;",
},
},
},
},
}}
for _, tcase := range testcases {
t.Run(tcase.id, func(t *testing.T) {
env.tablets[101].setResults("select c1, c2 from t1 order by c1 asc", vdiffSourceGtid, tcase.source)
env.tablets[201].setResults("select c1, c2 from t1 order by c1 asc", vdiffTargetPrimaryPosition, tcase.target)
dr, err := env.wr.VDiff(context.Background(), "target", env.workflow, env.cell, env.cell, "replica", 30*time.Second, "", 100, "", tcase.debug, tcase.onlyPks, 100)
require.NoError(t, err)
assert.Equal(t, tcase.dr, dr["t1"], tcase.id)
})
}
}
func TestVDiffSharded(t *testing.T) {
// Also test that highest position ""MariaDB/5-456-892" will be used
// if lower positions are found.
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
env := newTestVDiffEnv(t, ctx, []string{"-40", "40-"}, []string{"-80", "80-"}, "", map[string]string{
"-40-80": "MariaDB/5-456-890",
"40-80-": "MariaDB/5-456-891",
})
defer env.close()
schm := &tabletmanagerdatapb.SchemaDefinition{
TableDefinitions: []*tabletmanagerdatapb.TableDefinition{{
Name: "t1",
Columns: []string{"c1", "c2"},
PrimaryKeyColumns: []string{"c1"},
Fields: sqltypes.MakeTestFields("c1|c2", "int64|int64"),
Schema: "create table t1(c1 bigint, c2 bigint, primary key(c1))",
},
{
Name: "_t1_gho",
Columns: []string{"c1", "c2", "c3"},
PrimaryKeyColumns: []string{"c2"},
Fields: sqltypes.MakeTestFields("c1|c2|c3", "int64|int64|int64"),
Schema: "create table _t1_gho(c1 bigint, c2 bigint, c3 bigint, primary key(c2))",
}},
}
env.tmc.schema = schm
query := "select c1, c2 from t1 order by c1 asc"
fields := sqltypes.MakeTestFields(
"c1|c2",
"int64|int64",
)
env.tablets[101].setResults(
query,
vdiffSourceGtid,
sqltypes.MakeTestStreamingResults(fields,
"1|3",
"2|4",
),
)
env.tablets[111].setResults(
query,
vdiffSourceGtid,
sqltypes.MakeTestStreamingResults(fields,
"3|4",
),
)
env.tablets[201].setResults(
query,
vdiffTargetPrimaryPosition,
sqltypes.MakeTestStreamingResults(fields,
"1|3",
),
)
env.tablets[211].setResults(
query,
vdiffTargetPrimaryPosition,
sqltypes.MakeTestStreamingResults(fields,
"2|4",
"3|4",
),
)
dr, err := env.wr.VDiff(context.Background(), "target", env.workflow, env.cell, env.cell, "replica", 30*time.Second, "", 100, "", false /*debug*/, false /*onlyPks*/, 100)
require.NoError(t, err)
wantdr := &DiffReport{
ProcessedRows: 3,
MatchingRows: 3,
TableName: "t1",
}
assert.Equal(t, wantdr, dr["t1"])
}
func TestVDiffAggregates(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
env := newTestVDiffEnv(t, ctx, []string{"-40", "40-"}, []string{"-80", "80-"}, "select c1, count(*) c2, sum(c3) c3 from t group by c1", nil)
defer env.close()
schm := &tabletmanagerdatapb.SchemaDefinition{
TableDefinitions: []*tabletmanagerdatapb.TableDefinition{{
Name: "t1",
Columns: []string{"c1", "c2", "c3"},
PrimaryKeyColumns: []string{"c1"},
Fields: sqltypes.MakeTestFields("c1|c2|c3", "int64|int64|int64"),
Schema: "create table t1(c1 bigint, c2 bigint, c3 bigint, primary key(c1))",
}},
}
env.tmc.schema = schm
sourceQuery := "select c1, count(*) as c2, sum(c3) as c3 from t group by c1 order by c1 asc"
fields := sqltypes.MakeTestFields(
"c1|c2|c3",
"int64|int64|int64",
)
env.tablets[101].setResults(
sourceQuery,
vdiffSourceGtid,
sqltypes.MakeTestStreamingResults(fields,
"1|3|4",
"2|4|5",
"4|5|6",
),
)
env.tablets[111].setResults(
sourceQuery,
vdiffSourceGtid,
sqltypes.MakeTestStreamingResults(fields,
"1|1|1",
"3|2|2",
"5|3|3",
),
)
targetQuery := "select c1, c2, c3 from t1 order by c1 asc"
env.tablets[201].setResults(
targetQuery,
vdiffTargetPrimaryPosition,
sqltypes.MakeTestStreamingResults(fields,
"1|4|5",
"5|3|3",
),
)
env.tablets[211].setResults(
targetQuery,
vdiffTargetPrimaryPosition,
sqltypes.MakeTestStreamingResults(fields,
"2|4|5",
"3|2|2",
"4|5|6",
),
)
dr, err := env.wr.VDiff(context.Background(), "target", env.workflow, env.cell, env.cell, "replica", 30*time.Second, "", 100, "", false /*debug*/, false /*onlyPks*/, 100)
require.NoError(t, err)
wantdr := &DiffReport{
ProcessedRows: 5,
MatchingRows: 5,
TableName: "t1",
}
assert.Equal(t, wantdr, dr["t1"])
}
func TestVDiffDefaults(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
env := newTestVDiffEnv(t, ctx, []string{"0"}, []string{"0"}, "", nil)
defer env.close()
schm := &tabletmanagerdatapb.SchemaDefinition{
TableDefinitions: []*tabletmanagerdatapb.TableDefinition{{
Name: "t1",
Columns: []string{"c1", "c2"},
PrimaryKeyColumns: []string{"c1"},
Fields: sqltypes.MakeTestFields("c1|c2", "int64|int64"),
Schema: "create table t1(c1 bigint, c2 bigint, primary key(c1))",
}},
}
env.tmc.schema = schm
fields := sqltypes.MakeTestFields(
"c1|c2",
"int64|int64",
)
source := sqltypes.MakeTestStreamingResults(fields,
"1|3",
"2|4",
"---",
"3|1",
)
target := source
env.tablets[101].setResults("select c1, c2 from t1 order by c1 asc", vdiffSourceGtid, source)
env.tablets[201].setResults("select c1, c2 from t1 order by c1 asc", vdiffTargetPrimaryPosition, target)
_, err := env.wr.VDiff(context.Background(), "target", env.workflow, "", "", "replica", 30*time.Second, "", 100, "", false /*debug*/, false /*onlyPks*/, 100)
require.NoError(t, err)
_, err = env.wr.VDiff(context.Background(), "target", env.workflow, "", env.cell, "replica", 30*time.Second, "", 100, "", false /*debug*/, false /*onlyPks*/, 100)
require.NoError(t, err)
var df map[string]*DiffReport
df, err = env.wr.VDiff(context.Background(), "target", env.workflow, env.cell, "", "replica", 30*time.Second, "", 100, "", false /*debug*/, false /*onlyPks*/, 100)
require.NoError(t, err)