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index_metadata.go
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index_metadata.go
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// Copyright 2021 Matrix Origin
//
// 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 colexec
import (
"context"
"strconv"
"time"
"github.com/matrixorigin/matrixone/pkg/sql/plan/function"
"github.com/matrixorigin/matrixone/pkg/txn/client"
"github.com/matrixorigin/matrixone/pkg/catalog"
"github.com/matrixorigin/matrixone/pkg/common/moerr"
"github.com/matrixorigin/matrixone/pkg/container/batch"
"github.com/matrixorigin/matrixone/pkg/container/types"
"github.com/matrixorigin/matrixone/pkg/container/vector"
"github.com/matrixorigin/matrixone/pkg/pb/plan"
"github.com/matrixorigin/matrixone/pkg/vm/engine"
"github.com/matrixorigin/matrixone/pkg/vm/process"
)
const (
ALLOCID_INDEX_KEY = "index_key"
)
const (
// 'mo_indexes' table
MO_INDEX_ID = "id"
MO_INDEX_TABLE_ID = "table_id"
MO_INDEX_DATABASE_ID = "database_id"
MO_INDEX_NAME = "name"
// MO_INDEX_TYPE can have values : unique, primary or multiple.
// It is better called as MO_INDEX_CATEGORY. But for now, we will keep it as MO_INDEX_TYPE.
// The INDEX_TYPE in MYSQL has values BTREE, FULLTEXT, HASH, RTREE
// Ref: https://dev.mysql.com/doc/mysql-infoschema-excerpt/5.7/en/information-schema-statistics-table.html
MO_INDEX_TYPE = "type"
MO_INDEX_ALGORITHM = "algo"
MO_INDEX_ALGORITHM_TABLE_TYPE = "algo_table_type"
MO_INDEX_ALGORITHM_PARAMS = "algo_params"
MO_INDEX_IS_VISIBLE = "is_visible"
MO_INDEX_HIDDEN = "hidden"
MO_INDEX_COMMENT = "comment"
MO_INDEX_OPTIONS = "options"
MO_INDEX_COLUMN_NAME = "column_name"
MO_INDEX_ORDINAL_POSITION = "ordinal_position"
MO_INDEX_TABLE_NAME = "index_table_name"
MO_INDEX_PRIKEY = catalog.CPrimaryKeyColName
)
// Column type mapping of table 'mo_indexes'
var MO_INDEX_COLTYPE = map[string]types.T{
MO_INDEX_ID: types.T_uint64,
MO_INDEX_TABLE_ID: types.T_uint64,
MO_INDEX_DATABASE_ID: types.T_uint64,
MO_INDEX_NAME: types.T_varchar,
MO_INDEX_TYPE: types.T_varchar,
MO_INDEX_ALGORITHM: types.T_varchar,
MO_INDEX_ALGORITHM_TABLE_TYPE: types.T_varchar,
MO_INDEX_ALGORITHM_PARAMS: types.T_varchar,
MO_INDEX_IS_VISIBLE: types.T_int8,
MO_INDEX_HIDDEN: types.T_int8,
MO_INDEX_COMMENT: types.T_varchar,
MO_INDEX_COLUMN_NAME: types.T_varchar,
MO_INDEX_ORDINAL_POSITION: types.T_uint32,
MO_INDEX_OPTIONS: types.T_text,
MO_INDEX_TABLE_NAME: types.T_varchar,
MO_INDEX_PRIKEY: types.T_varchar,
}
const (
INDEX_TYPE_PRIMARY = "PRIMARY"
INDEX_TYPE_UNIQUE = "UNIQUE"
INDEX_TYPE_MULTIPLE = "MULTIPLE"
)
// InsertIndexMetadata :Synchronize the index metadata information of the table to the index metadata table
func InsertIndexMetadata(eg engine.Engine, ctx context.Context, db engine.Database, proc *process.Process, tblName string) error {
databaseId, err := strconv.ParseUint(db.GetDatabaseId(ctx), 10, 64)
if err != nil {
return moerr.NewInternalError(ctx, "The databaseid of '%v' is not a valid number", databaseId)
}
relation, err := db.Relation(ctx, tblName, nil)
if err != nil {
return err
}
tableId := relation.GetTableID(ctx)
tableDefs, err := relation.TableDefs(ctx)
if err != nil {
return err
}
var ct *engine.ConstraintDef
for _, def := range tableDefs {
if constraintDef, ok := def.(*engine.ConstraintDef); ok {
ct = constraintDef
break
}
}
if ct == nil {
return nil
}
hasIndex := false
for _, constraint := range ct.Cts {
if _, ok := constraint.(*engine.IndexDef); ok {
hasIndex = true
break
}
if pkdef, ok := constraint.(*engine.PrimaryKeyDef); ok {
if pkdef.Pkey.PkeyColName != catalog.FakePrimaryKeyColName {
hasIndex = true
break
}
}
}
if !hasIndex {
return nil
}
relIndex, err := GetNewRelation(eg, catalog.MO_CATALOG, catalog.MO_INDEXES, proc.TxnOperator, ctx)
if err != nil {
return err
}
indexMetaBatch, err := buildInsertIndexMetaBatch(tableId, databaseId, ct, eg, proc)
if err != nil {
return err
}
err = relIndex.Write(ctx, indexMetaBatch)
if err != nil {
return err
}
return nil
}
// InsertOneIndexMetadata :Synchronize the single index metadata information into the index metadata table
func InsertOneIndexMetadata(eg engine.Engine, ctx context.Context, db engine.Database, proc *process.Process, tblName string, idxdef *plan.IndexDef) error {
databaseId, err := strconv.ParseUint(db.GetDatabaseId(ctx), 10, 64)
if err != nil {
return moerr.NewInternalError(ctx, "The databaseid of '%v' is not a valid number", databaseId)
}
relation, err := db.Relation(ctx, tblName, nil)
if err != nil {
return err
}
tableId := relation.GetTableID(ctx)
relIndex, err := GetNewRelation(eg, catalog.MO_CATALOG, catalog.MO_INDEXES, proc.TxnOperator, ctx)
if err != nil {
return err
}
ct := &engine.ConstraintDef{
Cts: []engine.Constraint{
&engine.IndexDef{
Indexes: []*plan.IndexDef{idxdef},
},
},
}
indexMetaBatch, err := buildInsertIndexMetaBatch(tableId, databaseId, ct, eg, proc)
if err != nil {
return err
}
err = relIndex.Write(ctx, indexMetaBatch)
if err != nil {
return err
}
return nil
}
func buildInsertIndexMetaBatch(tableId uint64, databaseId uint64, ct *engine.ConstraintDef, eg engine.Engine, proc *process.Process) (*batch.Batch, error) {
bat := &batch.Batch{
Attrs: make([]string, 16),
Vecs: make([]*vector.Vector, 16),
Cnt: 1,
}
bat.Attrs[0] = MO_INDEX_ID
bat.Attrs[1] = MO_INDEX_TABLE_ID
bat.Attrs[2] = MO_INDEX_DATABASE_ID
bat.Attrs[3] = MO_INDEX_NAME
bat.Attrs[4] = MO_INDEX_TYPE
bat.Attrs[5] = MO_INDEX_ALGORITHM
bat.Attrs[6] = MO_INDEX_ALGORITHM_TABLE_TYPE
bat.Attrs[7] = MO_INDEX_ALGORITHM_PARAMS
bat.Attrs[8] = MO_INDEX_IS_VISIBLE
bat.Attrs[9] = MO_INDEX_HIDDEN
bat.Attrs[10] = MO_INDEX_COMMENT
bat.Attrs[11] = MO_INDEX_COLUMN_NAME
bat.Attrs[12] = MO_INDEX_ORDINAL_POSITION
bat.Attrs[13] = MO_INDEX_OPTIONS
bat.Attrs[14] = MO_INDEX_TABLE_NAME
bat.Attrs[15] = MO_INDEX_PRIKEY
vec_id := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_ID].ToType())
bat.Vecs[0] = vec_id
vec_table_id := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_TABLE_ID].ToType())
bat.Vecs[1] = vec_table_id
vec_database_id := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_DATABASE_ID].ToType())
bat.Vecs[2] = vec_database_id
vec_name := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_NAME].ToType())
bat.Vecs[3] = vec_name
vec_type := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_TYPE].ToType())
bat.Vecs[4] = vec_type
vec_algo := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_ALGORITHM].ToType())
bat.Vecs[5] = vec_algo
vec_algo_table_type := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_ALGORITHM_TABLE_TYPE].ToType())
bat.Vecs[6] = vec_algo_table_type
vec_algo_params := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_ALGORITHM_PARAMS].ToType())
bat.Vecs[7] = vec_algo_params
vec_visible := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_IS_VISIBLE].ToType())
bat.Vecs[8] = vec_visible
vec_hidden := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_HIDDEN].ToType())
bat.Vecs[9] = vec_hidden
vec_comment := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_COMMENT].ToType())
bat.Vecs[10] = vec_comment
vec_column_name := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_COLUMN_NAME].ToType())
bat.Vecs[11] = vec_column_name
vec_ordinal_position := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_ORDINAL_POSITION].ToType())
bat.Vecs[12] = vec_ordinal_position
vec_options := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_OPTIONS].ToType())
bat.Vecs[13] = vec_options
vec_index_table := proc.GetVector(MO_INDEX_COLTYPE[MO_INDEX_TABLE_NAME].ToType())
bat.Vecs[14] = vec_index_table
var indexId uint64
var err error
defer func() {
if err != nil {
bat.Clean(proc.Mp())
}
}()
for _, constraint := range ct.Cts {
switch def := constraint.(type) {
case *engine.IndexDef:
for _, index := range def.Indexes {
ctx, cancelFunc := context.WithTimeout(proc.Ctx, time.Second*30)
indexId, err = eg.AllocateIDByKey(ctx, ALLOCID_INDEX_KEY)
cancelFunc()
if err != nil {
return nil, err
}
for i, part := range index.Parts {
//NOTE: buildInsertIndexMetaBatch function is used in UT only.
part = catalog.ResolveAlias(part)
err = vector.AppendFixed(vec_id, indexId, false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendFixed(vec_table_id, tableId, false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendFixed(vec_database_id, databaseId, false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_name, []byte(index.IndexName), false, proc.Mp())
if err != nil {
return nil, err
}
if index.Unique {
err = vector.AppendBytes(vec_type, []byte(INDEX_TYPE_UNIQUE), false, proc.Mp())
} else {
err = vector.AppendBytes(vec_type, []byte(INDEX_TYPE_MULTIPLE), false, proc.Mp())
}
if err != nil {
return nil, err
}
if len(index.IndexAlgo) == 0 {
err = vector.AppendBytes(vec_algo, []byte(""), true, proc.Mp())
} else {
err = vector.AppendBytes(vec_algo, []byte(index.IndexAlgo), false, proc.Mp())
}
if err != nil {
return nil, err
}
if len(index.IndexAlgoTableType) == 0 {
err = vector.AppendBytes(vec_algo_table_type, []byte(""), true, proc.Mp())
} else {
err = vector.AppendBytes(vec_algo_table_type, []byte(index.IndexAlgoTableType), false, proc.Mp())
}
if err != nil {
return nil, err
}
if len(index.IndexAlgoParams) == 0 {
err = vector.AppendBytes(vec_algo_params, []byte(""), true, proc.Mp())
} else {
err = vector.AppendBytes(vec_algo_params, []byte(index.IndexAlgoParams), false, proc.Mp())
}
if err != nil {
return nil, err
}
err = vector.AppendFixed(vec_visible, int8(1), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendFixed(vec_hidden, int8(0), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_comment, []byte(index.Comment), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_column_name, []byte(part), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendFixed(vec_ordinal_position, uint32(i+1), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_options, []byte(""), true, proc.Mp())
if err != nil {
return nil, err
}
if index.TableExist {
err = vector.AppendBytes(vec_index_table, []byte(index.IndexTableName), false, proc.Mp())
} else {
err = vector.AppendBytes(vec_index_table, []byte(""), true, proc.Mp())
}
if err != nil {
return nil, err
}
}
}
case *engine.PrimaryKeyDef:
ctx, cancelFunc := context.WithTimeout(proc.Ctx, time.Second*30)
defer cancelFunc()
indexId, err = eg.AllocateIDByKey(ctx, ALLOCID_INDEX_KEY)
if err != nil {
return nil, err
}
if def.Pkey.PkeyColName != catalog.FakePrimaryKeyColName {
for i, colName := range def.Pkey.Names {
err = vector.AppendFixed(vec_id, indexId, false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendFixed(vec_table_id, tableId, false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendFixed(vec_database_id, databaseId, false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_name, []byte("PRIMARY"), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_type, []byte(INDEX_TYPE_PRIMARY), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_algo, []byte(""), true, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_algo_table_type, []byte(""), true, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_algo_params, []byte(""), true, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendFixed(vec_visible, int8(1), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendFixed(vec_hidden, int8(0), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_comment, []byte(""), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_column_name, []byte(colName), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendFixed(vec_ordinal_position, uint32(i+1), false, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_options, []byte(""), true, proc.Mp())
if err != nil {
return nil, err
}
err = vector.AppendBytes(vec_index_table, []byte(""), true, proc.Mp())
if err != nil {
return nil, err
}
}
}
}
}
// processing composite primary key
var vecPrikey *vector.Vector
vecPrikey, err = function.RunFunctionDirectly(proc, function.SerialFunctionEncodeID, []*vector.Vector{vec_id, vec_column_name}, vec_id.Length())
if err != nil {
return nil, err
}
bat.Vecs[12] = vecPrikey
bat.SetRowCount(bat.GetVector(0).Length())
return bat, nil
}
func GetNewRelation(eg engine.Engine, dbName, tbleName string, txn client.TxnOperator, ctx context.Context) (engine.Relation, error) {
dbHandler, err := eg.Database(ctx, dbName, txn)
if err != nil {
return nil, err
}
tableHandler, err := dbHandler.Relation(ctx, tbleName, nil)
if err != nil {
return nil, err
}
return tableHandler, nil
}