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tables.go
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// Copyright 2016 PingCAP, Inc.
//
// 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 infoschema
import (
"context"
"encoding/json"
"fmt"
"net"
"net/http"
"strconv"
"strings"
"github.com/pingcap/errors"
"github.com/pingcap/failpoint"
"github.com/pingcap/kvproto/pkg/metapb"
"github.com/pingcap/tidb/config"
"github.com/pingcap/tidb/ddl/placement"
"github.com/pingcap/tidb/domain/infosync"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/meta/autoid"
"github.com/pingcap/tidb/parser/charset"
"github.com/pingcap/tidb/parser/model"
"github.com/pingcap/tidb/parser/mysql"
"github.com/pingcap/tidb/parser/terror"
"github.com/pingcap/tidb/privilege"
"github.com/pingcap/tidb/session/txninfo"
"github.com/pingcap/tidb/sessionctx"
"github.com/pingcap/tidb/sessionctx/variable"
"github.com/pingcap/tidb/table"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util"
"github.com/pingcap/tidb/util/deadlockhistory"
"github.com/pingcap/tidb/util/execdetails"
"github.com/pingcap/tidb/util/logutil"
"github.com/pingcap/tidb/util/pdapi"
"github.com/pingcap/tidb/util/sem"
"github.com/pingcap/tidb/util/stmtsummary"
"github.com/tikv/client-go/v2/tikv"
"go.uber.org/zap"
)
const (
// TableSchemata is the string constant of infoschema table.
TableSchemata = "SCHEMATA"
// TableTables is the string constant of infoschema table.
TableTables = "TABLES"
// TableColumns is the string constant of infoschema table
TableColumns = "COLUMNS"
tableColumnStatistics = "COLUMN_STATISTICS"
// TableStatistics is the string constant of infoschema table
TableStatistics = "STATISTICS"
// TableCharacterSets is the string constant of infoschema charactersets memory table
TableCharacterSets = "CHARACTER_SETS"
// TableCollations is the string constant of infoschema collations memory table.
TableCollations = "COLLATIONS"
tableFiles = "FILES"
// CatalogVal is the string constant of TABLE_CATALOG.
CatalogVal = "def"
// TableProfiling is the string constant of infoschema table.
TableProfiling = "PROFILING"
// TablePartitions is the string constant of infoschema table.
TablePartitions = "PARTITIONS"
// TableKeyColumn is the string constant of KEY_COLUMN_USAGE.
TableKeyColumn = "KEY_COLUMN_USAGE"
// TableReferConst is the string constant of REFERENTIAL_CONSTRAINTS.
TableReferConst = "REFERENTIAL_CONSTRAINTS"
// TableSessionVar is the string constant of SESSION_VARIABLES.
TableSessionVar = "SESSION_VARIABLES"
tablePlugins = "PLUGINS"
// TableConstraints is the string constant of TABLE_CONSTRAINTS.
TableConstraints = "TABLE_CONSTRAINTS"
tableTriggers = "TRIGGERS"
// TableUserPrivileges is the string constant of infoschema user privilege table.
TableUserPrivileges = "USER_PRIVILEGES"
tableSchemaPrivileges = "SCHEMA_PRIVILEGES"
tableTablePrivileges = "TABLE_PRIVILEGES"
tableColumnPrivileges = "COLUMN_PRIVILEGES"
// TableEngines is the string constant of infoschema table.
TableEngines = "ENGINES"
// TableViews is the string constant of infoschema table.
TableViews = "VIEWS"
tableRoutines = "ROUTINES"
tableParameters = "PARAMETERS"
tableEvents = "EVENTS"
tableGlobalStatus = "GLOBAL_STATUS"
tableGlobalVariables = "GLOBAL_VARIABLES"
tableSessionStatus = "SESSION_STATUS"
tableOptimizerTrace = "OPTIMIZER_TRACE"
tableTableSpaces = "TABLESPACES"
// TableCollationCharacterSetApplicability is the string constant of infoschema memory table.
TableCollationCharacterSetApplicability = "COLLATION_CHARACTER_SET_APPLICABILITY"
// TableProcesslist is the string constant of infoschema table.
TableProcesslist = "PROCESSLIST"
// TableTiDBIndexes is the string constant of infoschema table
TableTiDBIndexes = "TIDB_INDEXES"
// TableTiDBHotRegions is the string constant of infoschema table
TableTiDBHotRegions = "TIDB_HOT_REGIONS"
// TableTiDBHotRegionsHistory is the string constant of infoschema table
TableTiDBHotRegionsHistory = "TIDB_HOT_REGIONS_HISTORY"
// TableTiKVStoreStatus is the string constant of infoschema table
TableTiKVStoreStatus = "TIKV_STORE_STATUS"
// TableAnalyzeStatus is the string constant of Analyze Status
TableAnalyzeStatus = "ANALYZE_STATUS"
// TableTiKVRegionStatus is the string constant of infoschema table
TableTiKVRegionStatus = "TIKV_REGION_STATUS"
// TableTiKVRegionPeers is the string constant of infoschema table
TableTiKVRegionPeers = "TIKV_REGION_PEERS"
// TableTiDBServersInfo is the string constant of TiDB server information table.
TableTiDBServersInfo = "TIDB_SERVERS_INFO"
// TableSlowQuery is the string constant of slow query memory table.
TableSlowQuery = "SLOW_QUERY"
// TableClusterInfo is the string constant of cluster info memory table.
TableClusterInfo = "CLUSTER_INFO"
// TableClusterConfig is the string constant of cluster configuration memory table.
TableClusterConfig = "CLUSTER_CONFIG"
// TableClusterLog is the string constant of cluster log memory table.
TableClusterLog = "CLUSTER_LOG"
// TableClusterLoad is the string constant of cluster load memory table.
TableClusterLoad = "CLUSTER_LOAD"
// TableClusterHardware is the string constant of cluster hardware table.
TableClusterHardware = "CLUSTER_HARDWARE"
// TableClusterSystemInfo is the string constant of cluster system info table.
TableClusterSystemInfo = "CLUSTER_SYSTEMINFO"
// TableTiFlashReplica is the string constant of tiflash replica table.
TableTiFlashReplica = "TIFLASH_REPLICA"
// TableInspectionResult is the string constant of inspection result table.
TableInspectionResult = "INSPECTION_RESULT"
// TableMetricTables is a table that contains all metrics table definition.
TableMetricTables = "METRICS_TABLES"
// TableMetricSummary is a summary table that contains all metrics.
TableMetricSummary = "METRICS_SUMMARY"
// TableMetricSummaryByLabel is a metric table that contains all metrics that group by label info.
TableMetricSummaryByLabel = "METRICS_SUMMARY_BY_LABEL"
// TableInspectionSummary is the string constant of inspection summary table.
TableInspectionSummary = "INSPECTION_SUMMARY"
// TableInspectionRules is the string constant of currently implemented inspection and summary rules.
TableInspectionRules = "INSPECTION_RULES"
// TableDDLJobs is the string constant of DDL job table.
TableDDLJobs = "DDL_JOBS"
// TableSequences is the string constant of all sequences created by user.
TableSequences = "SEQUENCES"
// TableStatementsSummary is the string constant of statement summary table.
TableStatementsSummary = "STATEMENTS_SUMMARY"
// TableStatementsSummaryHistory is the string constant of statements summary history table.
TableStatementsSummaryHistory = "STATEMENTS_SUMMARY_HISTORY"
// TableStatementsSummaryEvicted is the string constant of statements summary evicted table.
TableStatementsSummaryEvicted = "STATEMENTS_SUMMARY_EVICTED"
// TableStorageStats is a table that contains all tables disk usage
TableStorageStats = "TABLE_STORAGE_STATS"
// TableTiFlashTables is the string constant of tiflash tables table.
TableTiFlashTables = "TIFLASH_TABLES"
// TableTiFlashSegments is the string constant of tiflash segments table.
TableTiFlashSegments = "TIFLASH_SEGMENTS"
// TableClientErrorsSummaryGlobal is the string constant of client errors table.
TableClientErrorsSummaryGlobal = "CLIENT_ERRORS_SUMMARY_GLOBAL"
// TableClientErrorsSummaryByUser is the string constant of client errors table.
TableClientErrorsSummaryByUser = "CLIENT_ERRORS_SUMMARY_BY_USER"
// TableClientErrorsSummaryByHost is the string constant of client errors table.
TableClientErrorsSummaryByHost = "CLIENT_ERRORS_SUMMARY_BY_HOST"
// TableTiDBTrx is current running transaction status table.
TableTiDBTrx = "TIDB_TRX"
// TableDeadlocks is the string constant of deadlock table.
TableDeadlocks = "DEADLOCKS"
// TableDataLockWaits is current lock waiting status table.
TableDataLockWaits = "DATA_LOCK_WAITS"
// TableAttributes is the string constant of attributes table.
TableAttributes = "ATTRIBUTES"
// TablePlacementPolicies is the string constant of placement policies table.
TablePlacementPolicies = "PLACEMENT_POLICIES"
// TableTrxSummary is the string constant of transaction summary table.
TableTrxSummary = "TRX_SUMMARY"
// TableVariablesInfo is the string constant of variables_info table.
TableVariablesInfo = "VARIABLES_INFO"
// TableUserAttributes is the string constant of user_attributes view.
TableUserAttributes = "USER_ATTRIBUTES"
// TableMemoryUsage is the memory usage status of tidb instance.
TableMemoryUsage = "MEMORY_USAGE"
// TableMemoryUsageOpsHistory is the memory control operators history.
TableMemoryUsageOpsHistory = "MEMORY_USAGE_OPS_HISTORY"
)
const (
// DataLockWaitsColumnKey is the name of the KEY column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnKey = "KEY"
// DataLockWaitsColumnKeyInfo is the name of the KEY_INFO column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnKeyInfo = "KEY_INFO"
// DataLockWaitsColumnTrxID is the name of the TRX_ID column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnTrxID = "TRX_ID"
// DataLockWaitsColumnCurrentHoldingTrxID is the name of the CURRENT_HOLDING_TRX_ID column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnCurrentHoldingTrxID = "CURRENT_HOLDING_TRX_ID"
// DataLockWaitsColumnSQLDigest is the name of the SQL_DIGEST column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnSQLDigest = "SQL_DIGEST"
// DataLockWaitsColumnSQLDigestText is the name of the SQL_DIGEST_TEXT column of the DATA_LOCK_WAITS table.
DataLockWaitsColumnSQLDigestText = "SQL_DIGEST_TEXT"
)
var tableIDMap = map[string]int64{
TableSchemata: autoid.InformationSchemaDBID + 1,
TableTables: autoid.InformationSchemaDBID + 2,
TableColumns: autoid.InformationSchemaDBID + 3,
tableColumnStatistics: autoid.InformationSchemaDBID + 4,
TableStatistics: autoid.InformationSchemaDBID + 5,
TableCharacterSets: autoid.InformationSchemaDBID + 6,
TableCollations: autoid.InformationSchemaDBID + 7,
tableFiles: autoid.InformationSchemaDBID + 8,
CatalogVal: autoid.InformationSchemaDBID + 9,
TableProfiling: autoid.InformationSchemaDBID + 10,
TablePartitions: autoid.InformationSchemaDBID + 11,
TableKeyColumn: autoid.InformationSchemaDBID + 12,
TableReferConst: autoid.InformationSchemaDBID + 13,
TableSessionVar: autoid.InformationSchemaDBID + 14,
tablePlugins: autoid.InformationSchemaDBID + 15,
TableConstraints: autoid.InformationSchemaDBID + 16,
tableTriggers: autoid.InformationSchemaDBID + 17,
TableUserPrivileges: autoid.InformationSchemaDBID + 18,
tableSchemaPrivileges: autoid.InformationSchemaDBID + 19,
tableTablePrivileges: autoid.InformationSchemaDBID + 20,
tableColumnPrivileges: autoid.InformationSchemaDBID + 21,
TableEngines: autoid.InformationSchemaDBID + 22,
TableViews: autoid.InformationSchemaDBID + 23,
tableRoutines: autoid.InformationSchemaDBID + 24,
tableParameters: autoid.InformationSchemaDBID + 25,
tableEvents: autoid.InformationSchemaDBID + 26,
tableGlobalStatus: autoid.InformationSchemaDBID + 27,
tableGlobalVariables: autoid.InformationSchemaDBID + 28,
tableSessionStatus: autoid.InformationSchemaDBID + 29,
tableOptimizerTrace: autoid.InformationSchemaDBID + 30,
tableTableSpaces: autoid.InformationSchemaDBID + 31,
TableCollationCharacterSetApplicability: autoid.InformationSchemaDBID + 32,
TableProcesslist: autoid.InformationSchemaDBID + 33,
TableTiDBIndexes: autoid.InformationSchemaDBID + 34,
TableSlowQuery: autoid.InformationSchemaDBID + 35,
TableTiDBHotRegions: autoid.InformationSchemaDBID + 36,
TableTiKVStoreStatus: autoid.InformationSchemaDBID + 37,
TableAnalyzeStatus: autoid.InformationSchemaDBID + 38,
TableTiKVRegionStatus: autoid.InformationSchemaDBID + 39,
TableTiKVRegionPeers: autoid.InformationSchemaDBID + 40,
TableTiDBServersInfo: autoid.InformationSchemaDBID + 41,
TableClusterInfo: autoid.InformationSchemaDBID + 42,
TableClusterConfig: autoid.InformationSchemaDBID + 43,
TableClusterLoad: autoid.InformationSchemaDBID + 44,
TableTiFlashReplica: autoid.InformationSchemaDBID + 45,
ClusterTableSlowLog: autoid.InformationSchemaDBID + 46,
ClusterTableProcesslist: autoid.InformationSchemaDBID + 47,
TableClusterLog: autoid.InformationSchemaDBID + 48,
TableClusterHardware: autoid.InformationSchemaDBID + 49,
TableClusterSystemInfo: autoid.InformationSchemaDBID + 50,
TableInspectionResult: autoid.InformationSchemaDBID + 51,
TableMetricSummary: autoid.InformationSchemaDBID + 52,
TableMetricSummaryByLabel: autoid.InformationSchemaDBID + 53,
TableMetricTables: autoid.InformationSchemaDBID + 54,
TableInspectionSummary: autoid.InformationSchemaDBID + 55,
TableInspectionRules: autoid.InformationSchemaDBID + 56,
TableDDLJobs: autoid.InformationSchemaDBID + 57,
TableSequences: autoid.InformationSchemaDBID + 58,
TableStatementsSummary: autoid.InformationSchemaDBID + 59,
TableStatementsSummaryHistory: autoid.InformationSchemaDBID + 60,
ClusterTableStatementsSummary: autoid.InformationSchemaDBID + 61,
ClusterTableStatementsSummaryHistory: autoid.InformationSchemaDBID + 62,
TableStorageStats: autoid.InformationSchemaDBID + 63,
TableTiFlashTables: autoid.InformationSchemaDBID + 64,
TableTiFlashSegments: autoid.InformationSchemaDBID + 65,
// Removed, see https://github.com/pingcap/tidb/issues/28890
//TablePlacementPolicy: autoid.InformationSchemaDBID + 66,
TableClientErrorsSummaryGlobal: autoid.InformationSchemaDBID + 67,
TableClientErrorsSummaryByUser: autoid.InformationSchemaDBID + 68,
TableClientErrorsSummaryByHost: autoid.InformationSchemaDBID + 69,
TableTiDBTrx: autoid.InformationSchemaDBID + 70,
ClusterTableTiDBTrx: autoid.InformationSchemaDBID + 71,
TableDeadlocks: autoid.InformationSchemaDBID + 72,
ClusterTableDeadlocks: autoid.InformationSchemaDBID + 73,
TableDataLockWaits: autoid.InformationSchemaDBID + 74,
TableStatementsSummaryEvicted: autoid.InformationSchemaDBID + 75,
ClusterTableStatementsSummaryEvicted: autoid.InformationSchemaDBID + 76,
TableAttributes: autoid.InformationSchemaDBID + 77,
TableTiDBHotRegionsHistory: autoid.InformationSchemaDBID + 78,
TablePlacementPolicies: autoid.InformationSchemaDBID + 79,
TableTrxSummary: autoid.InformationSchemaDBID + 80,
ClusterTableTrxSummary: autoid.InformationSchemaDBID + 81,
TableVariablesInfo: autoid.InformationSchemaDBID + 82,
TableUserAttributes: autoid.InformationSchemaDBID + 83,
TableMemoryUsage: autoid.InformationSchemaDBID + 84,
TableMemoryUsageOpsHistory: autoid.InformationSchemaDBID + 85,
ClusterTableMemoryUsage: autoid.InformationSchemaDBID + 86,
ClusterTableMemoryUsageOpsHistory: autoid.InformationSchemaDBID + 87,
}
// columnInfo represents the basic column information of all kinds of INFORMATION_SCHEMA tables
type columnInfo struct {
// name of column
name string
// tp is column type
tp byte
// represent size of bytes of the column
size int
// represent decimal length of the column
decimal int
// flag represent NotNull, Unsigned, PriKey flags etc.
flag uint
// deflt is default value
deflt interface{}
// comment for the column
comment string
// enumElems represent all possible literal string values of an enum column
enumElems []string
}
func buildColumnInfo(col columnInfo) *model.ColumnInfo {
mCharset := charset.CharsetBin
mCollation := charset.CharsetBin
if col.tp == mysql.TypeVarchar || col.tp == mysql.TypeBlob || col.tp == mysql.TypeLongBlob || col.tp == mysql.TypeEnum {
mCharset = charset.CharsetUTF8MB4
mCollation = charset.CollationUTF8MB4
}
fieldType := types.FieldType{}
fieldType.SetType(col.tp)
fieldType.SetCharset(mCharset)
fieldType.SetCollate(mCollation)
fieldType.SetFlen(col.size)
fieldType.SetDecimal(col.decimal)
fieldType.SetFlag(col.flag)
fieldType.SetElems(col.enumElems)
return &model.ColumnInfo{
Name: model.NewCIStr(col.name),
FieldType: fieldType,
State: model.StatePublic,
DefaultValue: col.deflt,
Comment: col.comment,
}
}
func buildTableMeta(tableName string, cs []columnInfo) *model.TableInfo {
cols := make([]*model.ColumnInfo, 0, len(cs))
primaryIndices := make([]*model.IndexInfo, 0, 1)
tblInfo := &model.TableInfo{
Name: model.NewCIStr(tableName),
State: model.StatePublic,
Charset: mysql.DefaultCharset,
Collate: mysql.DefaultCollationName,
}
for offset, c := range cs {
if tblInfo.Name.O == ClusterTableSlowLog && mysql.HasPriKeyFlag(c.flag) {
switch c.tp {
case mysql.TypeLong, mysql.TypeLonglong,
mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24:
tblInfo.PKIsHandle = true
default:
tblInfo.IsCommonHandle = true
tblInfo.CommonHandleVersion = 1
index := &model.IndexInfo{
Name: model.NewCIStr("primary"),
State: model.StatePublic,
Primary: true,
Unique: true,
Columns: []*model.IndexColumn{
{Name: model.NewCIStr(c.name), Offset: offset, Length: types.UnspecifiedLength}},
}
primaryIndices = append(primaryIndices, index)
tblInfo.Indices = primaryIndices
}
}
cols = append(cols, buildColumnInfo(c))
}
for i, col := range cols {
col.Offset = i
}
tblInfo.Columns = cols
return tblInfo
}
var schemataCols = []columnInfo{
{name: "CATALOG_NAME", tp: mysql.TypeVarchar, size: 512},
{name: "SCHEMA_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "DEFAULT_CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "DEFAULT_COLLATION_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "SQL_PATH", tp: mysql.TypeVarchar, size: 512},
{name: "TIDB_PLACEMENT_POLICY_NAME", tp: mysql.TypeVarchar, size: 64},
}
var tablesCols = []columnInfo{
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "ENGINE", tp: mysql.TypeVarchar, size: 64},
{name: "VERSION", tp: mysql.TypeLonglong, size: 21},
{name: "ROW_FORMAT", tp: mysql.TypeVarchar, size: 10},
{name: "TABLE_ROWS", tp: mysql.TypeLonglong, size: 21},
{name: "AVG_ROW_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "DATA_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "MAX_DATA_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "DATA_FREE", tp: mysql.TypeLonglong, size: 21},
{name: "AUTO_INCREMENT", tp: mysql.TypeLonglong, size: 21},
{name: "CREATE_TIME", tp: mysql.TypeDatetime, size: 19},
{name: "UPDATE_TIME", tp: mysql.TypeDatetime, size: 19},
{name: "CHECK_TIME", tp: mysql.TypeDatetime, size: 19},
{name: "TABLE_COLLATION", tp: mysql.TypeVarchar, size: 32, deflt: mysql.DefaultCollationName},
{name: "CHECKSUM", tp: mysql.TypeLonglong, size: 21},
{name: "CREATE_OPTIONS", tp: mysql.TypeVarchar, size: 255},
{name: "TABLE_COMMENT", tp: mysql.TypeVarchar, size: 2048},
{name: "TIDB_TABLE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "TIDB_ROW_ID_SHARDING_INFO", tp: mysql.TypeVarchar, size: 255},
{name: "TIDB_PK_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "TIDB_PLACEMENT_POLICY_NAME", tp: mysql.TypeVarchar, size: 64},
}
// See: http://dev.mysql.com/doc/refman/5.7/en/information-schema-columns-table.html
var columnsCols = []columnInfo{
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "ORDINAL_POSITION", tp: mysql.TypeLonglong, size: 64},
{name: "COLUMN_DEFAULT", tp: mysql.TypeBlob, size: 196606},
{name: "IS_NULLABLE", tp: mysql.TypeVarchar, size: 3},
{name: "DATA_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "CHARACTER_MAXIMUM_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "CHARACTER_OCTET_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "NUMERIC_PRECISION", tp: mysql.TypeLonglong, size: 21},
{name: "NUMERIC_SCALE", tp: mysql.TypeLonglong, size: 21},
{name: "DATETIME_PRECISION", tp: mysql.TypeLonglong, size: 21},
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "COLLATION_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "COLUMN_TYPE", tp: mysql.TypeBlob, size: 196606},
{name: "COLUMN_KEY", tp: mysql.TypeVarchar, size: 3},
{name: "EXTRA", tp: mysql.TypeVarchar, size: 30},
{name: "PRIVILEGES", tp: mysql.TypeVarchar, size: 80},
{name: "COLUMN_COMMENT", tp: mysql.TypeVarchar, size: 1024},
{name: "GENERATION_EXPRESSION", tp: mysql.TypeBlob, size: 589779, flag: mysql.NotNullFlag},
}
var columnStatisticsCols = []columnInfo{
{name: "SCHEMA_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "HISTOGRAM", tp: mysql.TypeJSON, size: 51},
}
var statisticsCols = []columnInfo{
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "NON_UNIQUE", tp: mysql.TypeVarchar, size: 1},
{name: "INDEX_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "INDEX_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "SEQ_IN_INDEX", tp: mysql.TypeLonglong, size: 2},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 21},
{name: "COLLATION", tp: mysql.TypeVarchar, size: 1},
{name: "CARDINALITY", tp: mysql.TypeLonglong, size: 21},
{name: "SUB_PART", tp: mysql.TypeLonglong, size: 3},
{name: "PACKED", tp: mysql.TypeVarchar, size: 10},
{name: "NULLABLE", tp: mysql.TypeVarchar, size: 3},
{name: "INDEX_TYPE", tp: mysql.TypeVarchar, size: 16},
{name: "COMMENT", tp: mysql.TypeVarchar, size: 16},
{name: "INDEX_COMMENT", tp: mysql.TypeVarchar, size: 1024},
{name: "IS_VISIBLE", tp: mysql.TypeVarchar, size: 3},
{name: "Expression", tp: mysql.TypeVarchar, size: 64},
}
var profilingCols = []columnInfo{
{name: "QUERY_ID", tp: mysql.TypeLong, size: 20},
{name: "SEQ", tp: mysql.TypeLong, size: 20},
{name: "STATE", tp: mysql.TypeVarchar, size: 30},
{name: "DURATION", tp: mysql.TypeNewDecimal, size: 9},
{name: "CPU_USER", tp: mysql.TypeNewDecimal, size: 9},
{name: "CPU_SYSTEM", tp: mysql.TypeNewDecimal, size: 9},
{name: "CONTEXT_VOLUNTARY", tp: mysql.TypeLong, size: 20},
{name: "CONTEXT_INVOLUNTARY", tp: mysql.TypeLong, size: 20},
{name: "BLOCK_OPS_IN", tp: mysql.TypeLong, size: 20},
{name: "BLOCK_OPS_OUT", tp: mysql.TypeLong, size: 20},
{name: "MESSAGES_SENT", tp: mysql.TypeLong, size: 20},
{name: "MESSAGES_RECEIVED", tp: mysql.TypeLong, size: 20},
{name: "PAGE_FAULTS_MAJOR", tp: mysql.TypeLong, size: 20},
{name: "PAGE_FAULTS_MINOR", tp: mysql.TypeLong, size: 20},
{name: "SWAPS", tp: mysql.TypeLong, size: 20},
{name: "SOURCE_FUNCTION", tp: mysql.TypeVarchar, size: 30},
{name: "SOURCE_FILE", tp: mysql.TypeVarchar, size: 20},
{name: "SOURCE_LINE", tp: mysql.TypeLong, size: 20},
}
var charsetCols = []columnInfo{
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "DEFAULT_COLLATE_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "DESCRIPTION", tp: mysql.TypeVarchar, size: 60},
{name: "MAXLEN", tp: mysql.TypeLonglong, size: 3},
}
var collationsCols = []columnInfo{
{name: "COLLATION_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 32},
{name: "ID", tp: mysql.TypeLonglong, size: 11},
{name: "IS_DEFAULT", tp: mysql.TypeVarchar, size: 3},
{name: "IS_COMPILED", tp: mysql.TypeVarchar, size: 3},
{name: "SORTLEN", tp: mysql.TypeLonglong, size: 3},
}
var keyColumnUsageCols = []columnInfo{
{name: "CONSTRAINT_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "CONSTRAINT_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "CONSTRAINT_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ORDINAL_POSITION", tp: mysql.TypeLonglong, size: 10, flag: mysql.NotNullFlag},
{name: "POSITION_IN_UNIQUE_CONSTRAINT", tp: mysql.TypeLonglong, size: 10},
{name: "REFERENCED_TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "REFERENCED_TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "REFERENCED_COLUMN_NAME", tp: mysql.TypeVarchar, size: 64},
}
// See http://dev.mysql.com/doc/refman/5.7/en/information-schema-referential-constraints-table.html
var referConstCols = []columnInfo{
{name: "CONSTRAINT_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "CONSTRAINT_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "CONSTRAINT_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "UNIQUE_CONSTRAINT_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "UNIQUE_CONSTRAINT_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "UNIQUE_CONSTRAINT_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "MATCH_OPTION", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "UPDATE_RULE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "DELETE_RULE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "REFERENCED_TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
}
// See http://dev.mysql.com/doc/refman/5.7/en/information-schema-variables-table.html
var sessionVarCols = []columnInfo{
{name: "VARIABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "VARIABLE_VALUE", tp: mysql.TypeVarchar, size: 1024},
}
// See https://dev.mysql.com/doc/refman/5.7/en/information-schema-plugins-table.html
var pluginsCols = []columnInfo{
{name: "PLUGIN_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "PLUGIN_VERSION", tp: mysql.TypeVarchar, size: 20},
{name: "PLUGIN_STATUS", tp: mysql.TypeVarchar, size: 10},
{name: "PLUGIN_TYPE", tp: mysql.TypeVarchar, size: 80},
{name: "PLUGIN_TYPE_VERSION", tp: mysql.TypeVarchar, size: 20},
{name: "PLUGIN_LIBRARY", tp: mysql.TypeVarchar, size: 64},
{name: "PLUGIN_LIBRARY_VERSION", tp: mysql.TypeVarchar, size: 20},
{name: "PLUGIN_AUTHOR", tp: mysql.TypeVarchar, size: 64},
{name: "PLUGIN_DESCRIPTION", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "PLUGIN_LICENSE", tp: mysql.TypeVarchar, size: 80},
{name: "LOAD_OPTION", tp: mysql.TypeVarchar, size: 64},
}
// See https://dev.mysql.com/doc/refman/5.7/en/information-schema-partitions-table.html
var partitionsCols = []columnInfo{
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "PARTITION_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "SUBPARTITION_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "PARTITION_ORDINAL_POSITION", tp: mysql.TypeLonglong, size: 21},
{name: "SUBPARTITION_ORDINAL_POSITION", tp: mysql.TypeLonglong, size: 21},
{name: "PARTITION_METHOD", tp: mysql.TypeVarchar, size: 18},
{name: "SUBPARTITION_METHOD", tp: mysql.TypeVarchar, size: 12},
{name: "PARTITION_EXPRESSION", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "SUBPARTITION_EXPRESSION", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "PARTITION_DESCRIPTION", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "TABLE_ROWS", tp: mysql.TypeLonglong, size: 21},
{name: "AVG_ROW_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "DATA_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "MAX_DATA_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_LENGTH", tp: mysql.TypeLonglong, size: 21},
{name: "DATA_FREE", tp: mysql.TypeLonglong, size: 21},
{name: "CREATE_TIME", tp: mysql.TypeDatetime},
{name: "UPDATE_TIME", tp: mysql.TypeDatetime},
{name: "CHECK_TIME", tp: mysql.TypeDatetime},
{name: "CHECKSUM", tp: mysql.TypeLonglong, size: 21},
{name: "PARTITION_COMMENT", tp: mysql.TypeVarchar, size: 80},
{name: "NODEGROUP", tp: mysql.TypeVarchar, size: 12},
{name: "TABLESPACE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TIDB_PARTITION_ID", tp: mysql.TypeLonglong, size: 21},
{name: "TIDB_PLACEMENT_POLICY_NAME", tp: mysql.TypeVarchar, size: 64},
}
var tableConstraintsCols = []columnInfo{
{name: "CONSTRAINT_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "CONSTRAINT_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "CONSTRAINT_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "CONSTRAINT_TYPE", tp: mysql.TypeVarchar, size: 64},
}
var tableTriggersCols = []columnInfo{
{name: "TRIGGER_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "TRIGGER_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TRIGGER_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "EVENT_MANIPULATION", tp: mysql.TypeVarchar, size: 6},
{name: "EVENT_OBJECT_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "EVENT_OBJECT_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "EVENT_OBJECT_TABLE", tp: mysql.TypeVarchar, size: 64},
{name: "ACTION_ORDER", tp: mysql.TypeLonglong, size: 4},
{name: "ACTION_CONDITION", tp: mysql.TypeBlob, size: -1},
{name: "ACTION_STATEMENT", tp: mysql.TypeBlob, size: -1},
{name: "ACTION_ORIENTATION", tp: mysql.TypeVarchar, size: 9},
{name: "ACTION_TIMING", tp: mysql.TypeVarchar, size: 6},
{name: "ACTION_REFERENCE_OLD_TABLE", tp: mysql.TypeVarchar, size: 64},
{name: "ACTION_REFERENCE_NEW_TABLE", tp: mysql.TypeVarchar, size: 64},
{name: "ACTION_REFERENCE_OLD_ROW", tp: mysql.TypeVarchar, size: 3},
{name: "ACTION_REFERENCE_NEW_ROW", tp: mysql.TypeVarchar, size: 3},
{name: "CREATED", tp: mysql.TypeDatetime, size: 2},
{name: "SQL_MODE", tp: mysql.TypeVarchar, size: 8192},
{name: "DEFINER", tp: mysql.TypeVarchar, size: 77},
{name: "CHARACTER_SET_CLIENT", tp: mysql.TypeVarchar, size: 32},
{name: "COLLATION_CONNECTION", tp: mysql.TypeVarchar, size: 32},
{name: "DATABASE_COLLATION", tp: mysql.TypeVarchar, size: 32},
}
var tableUserPrivilegesCols = []columnInfo{
{name: "GRANTEE", tp: mysql.TypeVarchar, size: 81},
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512},
{name: "PRIVILEGE_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "IS_GRANTABLE", tp: mysql.TypeVarchar, size: 3},
}
var tableSchemaPrivilegesCols = []columnInfo{
{name: "GRANTEE", tp: mysql.TypeVarchar, size: 81, flag: mysql.NotNullFlag},
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "PRIVILEGE_TYPE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "IS_GRANTABLE", tp: mysql.TypeVarchar, size: 3, flag: mysql.NotNullFlag},
}
var tableTablePrivilegesCols = []columnInfo{
{name: "GRANTEE", tp: mysql.TypeVarchar, size: 81, flag: mysql.NotNullFlag},
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "PRIVILEGE_TYPE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "IS_GRANTABLE", tp: mysql.TypeVarchar, size: 3, flag: mysql.NotNullFlag},
}
var tableColumnPrivilegesCols = []columnInfo{
{name: "GRANTEE", tp: mysql.TypeVarchar, size: 81, flag: mysql.NotNullFlag},
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "PRIVILEGE_TYPE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "IS_GRANTABLE", tp: mysql.TypeVarchar, size: 3, flag: mysql.NotNullFlag},
}
var tableEnginesCols = []columnInfo{
{name: "ENGINE", tp: mysql.TypeVarchar, size: 64},
{name: "SUPPORT", tp: mysql.TypeVarchar, size: 8},
{name: "COMMENT", tp: mysql.TypeVarchar, size: 80},
{name: "TRANSACTIONS", tp: mysql.TypeVarchar, size: 3},
{name: "XA", tp: mysql.TypeVarchar, size: 3},
{name: "SAVEPOINTS", tp: mysql.TypeVarchar, size: 3},
}
var tableViewsCols = []columnInfo{
{name: "TABLE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "VIEW_DEFINITION", tp: mysql.TypeLongBlob, flag: mysql.NotNullFlag},
{name: "CHECK_OPTION", tp: mysql.TypeVarchar, size: 8, flag: mysql.NotNullFlag},
{name: "IS_UPDATABLE", tp: mysql.TypeVarchar, size: 3, flag: mysql.NotNullFlag},
{name: "DEFINER", tp: mysql.TypeVarchar, size: 77, flag: mysql.NotNullFlag},
{name: "SECURITY_TYPE", tp: mysql.TypeVarchar, size: 7, flag: mysql.NotNullFlag},
{name: "CHARACTER_SET_CLIENT", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "COLLATION_CONNECTION", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
}
var tableRoutinesCols = []columnInfo{
{name: "SPECIFIC_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ROUTINE_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "ROUTINE_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ROUTINE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ROUTINE_TYPE", tp: mysql.TypeVarchar, size: 9, flag: mysql.NotNullFlag},
{name: "DATA_TYPE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "CHARACTER_MAXIMUM_LENGTH", tp: mysql.TypeLong, size: 21},
{name: "CHARACTER_OCTET_LENGTH", tp: mysql.TypeLong, size: 21},
{name: "NUMERIC_PRECISION", tp: mysql.TypeLonglong, size: 21},
{name: "NUMERIC_SCALE", tp: mysql.TypeLong, size: 21},
{name: "DATETIME_PRECISION", tp: mysql.TypeLonglong, size: 21},
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "COLLATION_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "DTD_IDENTIFIER", tp: mysql.TypeLongBlob},
{name: "ROUTINE_BODY", tp: mysql.TypeVarchar, size: 8, flag: mysql.NotNullFlag},
{name: "ROUTINE_DEFINITION", tp: mysql.TypeLongBlob},
{name: "EXTERNAL_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "EXTERNAL_LANGUAGE", tp: mysql.TypeVarchar, size: 64},
{name: "PARAMETER_STYLE", tp: mysql.TypeVarchar, size: 8, flag: mysql.NotNullFlag},
{name: "IS_DETERMINISTIC", tp: mysql.TypeVarchar, size: 3, flag: mysql.NotNullFlag},
{name: "SQL_DATA_ACCESS", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "SQL_PATH", tp: mysql.TypeVarchar, size: 64},
{name: "SECURITY_TYPE", tp: mysql.TypeVarchar, size: 7, flag: mysql.NotNullFlag},
{name: "CREATED", tp: mysql.TypeDatetime, flag: mysql.NotNullFlag, deflt: "0000-00-00 00:00:00"},
{name: "LAST_ALTERED", tp: mysql.TypeDatetime, flag: mysql.NotNullFlag, deflt: "0000-00-00 00:00:00"},
{name: "SQL_MODE", tp: mysql.TypeVarchar, size: 8192, flag: mysql.NotNullFlag},
{name: "ROUTINE_COMMENT", tp: mysql.TypeLongBlob},
{name: "DEFINER", tp: mysql.TypeVarchar, size: 77, flag: mysql.NotNullFlag},
{name: "CHARACTER_SET_CLIENT", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "COLLATION_CONNECTION", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "DATABASE_COLLATION", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
}
var tableParametersCols = []columnInfo{
{name: "SPECIFIC_CATALOG", tp: mysql.TypeVarchar, size: 512, flag: mysql.NotNullFlag},
{name: "SPECIFIC_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "SPECIFIC_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ORDINAL_POSITION", tp: mysql.TypeVarchar, size: 21, flag: mysql.NotNullFlag},
{name: "PARAMETER_MODE", tp: mysql.TypeVarchar, size: 5},
{name: "PARAMETER_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "DATA_TYPE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "CHARACTER_MAXIMUM_LENGTH", tp: mysql.TypeVarchar, size: 21},
{name: "CHARACTER_OCTET_LENGTH", tp: mysql.TypeVarchar, size: 21},
{name: "NUMERIC_PRECISION", tp: mysql.TypeVarchar, size: 21},
{name: "NUMERIC_SCALE", tp: mysql.TypeVarchar, size: 21},
{name: "DATETIME_PRECISION", tp: mysql.TypeVarchar, size: 21},
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "COLLATION_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "DTD_IDENTIFIER", tp: mysql.TypeLongBlob, flag: mysql.NotNullFlag},
{name: "ROUTINE_TYPE", tp: mysql.TypeVarchar, size: 9, flag: mysql.NotNullFlag},
}
var tableEventsCols = []columnInfo{
{name: "EVENT_CATALOG", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "EVENT_SCHEMA", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "EVENT_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "DEFINER", tp: mysql.TypeVarchar, size: 77, flag: mysql.NotNullFlag},
{name: "TIME_ZONE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "EVENT_BODY", tp: mysql.TypeVarchar, size: 8, flag: mysql.NotNullFlag},
{name: "EVENT_DEFINITION", tp: mysql.TypeLongBlob},
{name: "EVENT_TYPE", tp: mysql.TypeVarchar, size: 9, flag: mysql.NotNullFlag},
{name: "EXECUTE_AT", tp: mysql.TypeDatetime},
{name: "INTERVAL_VALUE", tp: mysql.TypeVarchar, size: 256},
{name: "INTERVAL_FIELD", tp: mysql.TypeVarchar, size: 18},
{name: "SQL_MODE", tp: mysql.TypeVarchar, size: 8192, flag: mysql.NotNullFlag},
{name: "STARTS", tp: mysql.TypeDatetime},
{name: "ENDS", tp: mysql.TypeDatetime},
{name: "STATUS", tp: mysql.TypeVarchar, size: 18, flag: mysql.NotNullFlag},
{name: "ON_COMPLETION", tp: mysql.TypeVarchar, size: 12, flag: mysql.NotNullFlag},
{name: "CREATED", tp: mysql.TypeDatetime, flag: mysql.NotNullFlag, deflt: "0000-00-00 00:00:00"},
{name: "LAST_ALTERED", tp: mysql.TypeDatetime, flag: mysql.NotNullFlag, deflt: "0000-00-00 00:00:00"},
{name: "LAST_EXECUTED", tp: mysql.TypeDatetime},
{name: "EVENT_COMMENT", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "ORIGINATOR", tp: mysql.TypeLong, size: 10, flag: mysql.NotNullFlag, deflt: 0},
{name: "CHARACTER_SET_CLIENT", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "COLLATION_CONNECTION", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "DATABASE_COLLATION", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
}
var tableGlobalStatusCols = []columnInfo{
{name: "VARIABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "VARIABLE_VALUE", tp: mysql.TypeVarchar, size: 1024},
}
var tableGlobalVariablesCols = []columnInfo{
{name: "VARIABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "VARIABLE_VALUE", tp: mysql.TypeVarchar, size: 1024},
}
var tableSessionStatusCols = []columnInfo{
{name: "VARIABLE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag},
{name: "VARIABLE_VALUE", tp: mysql.TypeVarchar, size: 1024},
}
var tableOptimizerTraceCols = []columnInfo{
{name: "QUERY", tp: mysql.TypeLongBlob, flag: mysql.NotNullFlag, deflt: ""},
{name: "TRACE", tp: mysql.TypeLongBlob, flag: mysql.NotNullFlag, deflt: ""},
{name: "MISSING_BYTES_BEYOND_MAX_MEM_SIZE", tp: mysql.TypeShort, size: 20, flag: mysql.NotNullFlag, deflt: 0},
{name: "INSUFFICIENT_PRIVILEGES", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, deflt: 0},
}
var tableTableSpacesCols = []columnInfo{
{name: "TABLESPACE_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag, deflt: ""},
{name: "ENGINE", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag, deflt: ""},
{name: "TABLESPACE_TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "LOGFILE_GROUP_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "EXTENT_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "AUTOEXTEND_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "MAXIMUM_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "NODEGROUP_ID", tp: mysql.TypeLonglong, size: 21},
{name: "TABLESPACE_COMMENT", tp: mysql.TypeVarchar, size: 2048},
}
var tableCollationCharacterSetApplicabilityCols = []columnInfo{
{name: "COLLATION_NAME", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
{name: "CHARACTER_SET_NAME", tp: mysql.TypeVarchar, size: 32, flag: mysql.NotNullFlag},
}
var tableProcesslistCols = []columnInfo{
{name: "ID", tp: mysql.TypeLonglong, size: 21, flag: mysql.NotNullFlag | mysql.UnsignedFlag, deflt: 0},
{name: "USER", tp: mysql.TypeVarchar, size: 16, flag: mysql.NotNullFlag, deflt: ""},
{name: "HOST", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag, deflt: ""},
{name: "DB", tp: mysql.TypeVarchar, size: 64},
{name: "COMMAND", tp: mysql.TypeVarchar, size: 16, flag: mysql.NotNullFlag, deflt: ""},
{name: "TIME", tp: mysql.TypeLong, size: 7, flag: mysql.NotNullFlag, deflt: 0},
{name: "STATE", tp: mysql.TypeVarchar, size: 7},
{name: "INFO", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "DIGEST", tp: mysql.TypeVarchar, size: 64, deflt: ""},
{name: "MEM", tp: mysql.TypeLonglong, size: 21, flag: mysql.UnsignedFlag},
{name: "DISK", tp: mysql.TypeLonglong, size: 21, flag: mysql.UnsignedFlag},
{name: "TxnStart", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag, deflt: ""},
}
var tableTiDBIndexesCols = []columnInfo{
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "NON_UNIQUE", tp: mysql.TypeLonglong, size: 21},
{name: "KEY_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "SEQ_IN_INDEX", tp: mysql.TypeLonglong, size: 21},
{name: "COLUMN_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "SUB_PART", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_COMMENT", tp: mysql.TypeVarchar, size: 1024},
{name: "Expression", tp: mysql.TypeVarchar, size: 64},
{name: "INDEX_ID", tp: mysql.TypeLonglong, size: 21},
{name: "IS_VISIBLE", tp: mysql.TypeVarchar, size: 64},
{name: "CLUSTERED", tp: mysql.TypeVarchar, size: 64},
}
var slowQueryCols = []columnInfo{
{name: variable.SlowLogTimeStr, tp: mysql.TypeTimestamp, size: 26, decimal: 6, flag: mysql.PriKeyFlag | mysql.NotNullFlag | mysql.BinaryFlag},
{name: variable.SlowLogTxnStartTSStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: variable.SlowLogUserStr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogHostStr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogConnIDStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: variable.SlowLogExecRetryCount, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: variable.SlowLogExecRetryTime, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogQueryTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogParseTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCompileTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogRewriteTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogPreprocSubQueriesStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: variable.SlowLogPreProcSubQueryTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogOptimizeTimeStr, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogWaitTSTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.PreWriteTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.WaitPrewriteBinlogTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.CommitTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.GetCommitTSTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.CommitBackoffTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.BackoffTypesStr, tp: mysql.TypeVarchar, size: 64},
{name: execdetails.ResolveLockTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.LocalLatchWaitTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.WriteKeysStr, tp: mysql.TypeLonglong, size: 22},
{name: execdetails.WriteSizeStr, tp: mysql.TypeLonglong, size: 22},
{name: execdetails.PrewriteRegionStr, tp: mysql.TypeLonglong, size: 22},
{name: execdetails.TxnRetryStr, tp: mysql.TypeLonglong, size: 22},
{name: execdetails.CopTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.ProcessTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.WaitTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.BackoffTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.LockKeysTimeStr, tp: mysql.TypeDouble, size: 22},
{name: execdetails.RequestCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.TotalKeysStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.ProcessKeysStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.RocksdbDeleteSkippedCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.RocksdbKeySkippedCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.RocksdbBlockCacheHitCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.RocksdbBlockReadCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: execdetails.RocksdbBlockReadByteStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag},
{name: variable.SlowLogDBStr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogIndexNamesStr, tp: mysql.TypeVarchar, size: 100},
{name: variable.SlowLogIsInternalStr, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogDigestStr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogStatsInfoStr, tp: mysql.TypeVarchar, size: 512},
{name: variable.SlowLogCopProcAvg, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopProcP90, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopProcMax, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopProcAddr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogCopWaitAvg, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopWaitP90, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopWaitMax, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogCopWaitAddr, tp: mysql.TypeVarchar, size: 64},
{name: variable.SlowLogMemMax, tp: mysql.TypeLonglong, size: 20},
{name: variable.SlowLogDiskMax, tp: mysql.TypeLonglong, size: 20},
{name: variable.SlowLogKVTotal, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogPDTotal, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogBackoffTotal, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogWriteSQLRespTotal, tp: mysql.TypeDouble, size: 22},
{name: variable.SlowLogResultRows, tp: mysql.TypeLonglong, size: 22},
{name: variable.SlowLogBackoffDetail, tp: mysql.TypeVarchar, size: 4096},
{name: variable.SlowLogPrepared, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogSucc, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogIsExplicitTxn, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogIsWriteCacheTable, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogPlanFromCache, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogPlanFromBinding, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogHasMoreResults, tp: mysql.TypeTiny, size: 1},
{name: variable.SlowLogPlan, tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: variable.SlowLogPlanDigest, tp: mysql.TypeVarchar, size: 128},
{name: variable.SlowLogBinaryPlan, tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: variable.SlowLogPrevStmt, tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: variable.SlowLogQuerySQLStr, tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
}
// TableTiDBHotRegionsCols is TiDB hot region mem table columns.
var TableTiDBHotRegionsCols = []columnInfo{
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_ID", tp: mysql.TypeLonglong, size: 21},
{name: "DB_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "INDEX_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "REGION_ID", tp: mysql.TypeLonglong, size: 21},
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "MAX_HOT_DEGREE", tp: mysql.TypeLonglong, size: 21},
{name: "REGION_COUNT", tp: mysql.TypeLonglong, size: 21},
{name: "FLOW_BYTES", tp: mysql.TypeLonglong, size: 21},
}
// TableTiDBHotRegionsHistoryCols is TiDB hot region history mem table columns.
var TableTiDBHotRegionsHistoryCols = []columnInfo{
{name: "UPDATE_TIME", tp: mysql.TypeTimestamp, size: 26, decimal: 6},
{name: "DB_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "INDEX_ID", tp: mysql.TypeLonglong, size: 21},
{name: "REGION_ID", tp: mysql.TypeLonglong, size: 21},
{name: "STORE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "PEER_ID", tp: mysql.TypeLonglong, size: 21},
{name: "IS_LEARNER", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, deflt: 0},
{name: "IS_LEADER", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, deflt: 0},
{name: "TYPE", tp: mysql.TypeVarchar, size: 64},
{name: "HOT_DEGREE", tp: mysql.TypeLonglong, size: 21},
{name: "FLOW_BYTES", tp: mysql.TypeDouble, size: 22},
{name: "KEY_RATE", tp: mysql.TypeDouble, size: 22},
{name: "QUERY_RATE", tp: mysql.TypeDouble, size: 22},
}
// GetTableTiDBHotRegionsHistoryCols is to get TableTiDBHotRegionsHistoryCols.
// It is an optimization because Go does’t support const arrays. The solution is to use initialization functions.
// It is useful in the BCE optimization.
// https://go101.org/article/bounds-check-elimination.html
func GetTableTiDBHotRegionsHistoryCols() []columnInfo {
return TableTiDBHotRegionsHistoryCols
}
// TableTiKVStoreStatusCols is TiDB kv store status columns.
var TableTiKVStoreStatusCols = []columnInfo{
{name: "STORE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "ADDRESS", tp: mysql.TypeVarchar, size: 64},
{name: "STORE_STATE", tp: mysql.TypeLonglong, size: 21},
{name: "STORE_STATE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "LABEL", tp: mysql.TypeJSON, size: 51},
{name: "VERSION", tp: mysql.TypeVarchar, size: 64},
{name: "CAPACITY", tp: mysql.TypeVarchar, size: 64},
{name: "AVAILABLE", tp: mysql.TypeVarchar, size: 64},
{name: "LEADER_COUNT", tp: mysql.TypeLonglong, size: 21},
{name: "LEADER_WEIGHT", tp: mysql.TypeDouble, size: 22},
{name: "LEADER_SCORE", tp: mysql.TypeDouble, size: 22},
{name: "LEADER_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "REGION_COUNT", tp: mysql.TypeLonglong, size: 21},
{name: "REGION_WEIGHT", tp: mysql.TypeDouble, size: 22},
{name: "REGION_SCORE", tp: mysql.TypeDouble, size: 22},
{name: "REGION_SIZE", tp: mysql.TypeLonglong, size: 21},
{name: "START_TS", tp: mysql.TypeDatetime},
{name: "LAST_HEARTBEAT_TS", tp: mysql.TypeDatetime},
{name: "UPTIME", tp: mysql.TypeVarchar, size: 64},
}
var tableAnalyzeStatusCols = []columnInfo{
{name: "TABLE_SCHEMA", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "PARTITION_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "JOB_INFO", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "PROCESSED_ROWS", tp: mysql.TypeLonglong, size: 64, flag: mysql.UnsignedFlag},
{name: "START_TIME", tp: mysql.TypeDatetime},
{name: "END_TIME", tp: mysql.TypeDatetime},
{name: "STATE", tp: mysql.TypeVarchar, size: 64},
{name: "FAIL_REASON", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength},
{name: "INSTANCE", tp: mysql.TypeVarchar, size: 512},
{name: "PROCESS_ID", tp: mysql.TypeLonglong, size: 64, flag: mysql.UnsignedFlag},
}
// TableTiKVRegionStatusCols is TiKV region status mem table columns.
var TableTiKVRegionStatusCols = []columnInfo{
{name: "REGION_ID", tp: mysql.TypeLonglong, size: 21},
{name: "START_KEY", tp: mysql.TypeBlob, size: types.UnspecifiedLength},
{name: "END_KEY", tp: mysql.TypeBlob, size: types.UnspecifiedLength},
{name: "TABLE_ID", tp: mysql.TypeLonglong, size: 21},
{name: "DB_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "IS_INDEX", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, deflt: 0},
{name: "INDEX_ID", tp: mysql.TypeLonglong, size: 21},
{name: "INDEX_NAME", tp: mysql.TypeVarchar, size: 64},
{name: "EPOCH_CONF_VER", tp: mysql.TypeLonglong, size: 21},
{name: "EPOCH_VERSION", tp: mysql.TypeLonglong, size: 21},
{name: "WRITTEN_BYTES", tp: mysql.TypeLonglong, size: 21},