[parser] parser: support index advisor (#667)
This commit is contained in:
Jian Yang
80
parser/ast/advisor.go
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80
parser/ast/advisor.go
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@ -0,0 +1,80 @@
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// Copyright 2019 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ast
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import (
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. "github.com/pingcap/parser/format"
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)
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var _ StmtNode = &IndexAdviseStmt{}
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// IndexAdviseStmt is used to advise indexes
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type IndexAdviseStmt struct {
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stmtNode
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IsLocal bool
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Path string
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MaxMinutes uint64
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MaxIndexNum *MaxIndexNumClause
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LinesInfo *LinesClause
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}
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// Restore implements Node Accept interface.
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func (n *IndexAdviseStmt) Restore(ctx *RestoreCtx) error {
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ctx.WriteKeyWord("INDEX ADVISE ")
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if n.IsLocal {
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ctx.WriteKeyWord("LOCAL ")
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}
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ctx.WriteKeyWord("INFILE ")
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ctx.WriteString(n.Path)
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if n.MaxMinutes != UnspecifiedSize {
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ctx.WriteKeyWord(" MAX_MINUTES ")
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ctx.WritePlainf("%d", n.MaxMinutes)
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}
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if n.MaxIndexNum != nil {
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n.MaxIndexNum.Restore(ctx)
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}
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n.LinesInfo.Restore(ctx)
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return nil
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}
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// Accept implements Node Accept interface.
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func (n *IndexAdviseStmt) Accept(v Visitor) (Node, bool) {
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newNode, skipChildren := v.Enter(n)
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if skipChildren {
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return v.Leave(newNode)
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}
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n = newNode.(*IndexAdviseStmt)
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return v.Leave(n)
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}
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// MaxIndexNumClause represents 'maximum number of indexes' clause in index advise statement.
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type MaxIndexNumClause struct {
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PerTable uint64
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PerDB uint64
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}
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// Restore for max index num clause
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func (n *MaxIndexNumClause) Restore(ctx *RestoreCtx) error {
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ctx.WriteKeyWord(" MAX_IDXNUM")
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if n.PerTable != UnspecifiedSize {
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ctx.WriteKeyWord(" PER_TABLE ")
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ctx.WritePlainf("%d", n.PerTable)
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}
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if n.PerDB != UnspecifiedSize {
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ctx.WriteKeyWord(" PER_DB ")
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ctx.WritePlainf("%d", n.PerDB)
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}
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return nil
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}
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@ -13,6 +13,13 @@
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package ast
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import "math"
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// UnspecifiedSize is unspecified size.
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const (
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UnspecifiedSize = math.MaxUint64
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)
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// IsReadOnly checks whether the input ast is readOnly.
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func IsReadOnly(node Node) bool {
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switch st := node.(type) {
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@ -138,6 +138,7 @@ var tokenMap = map[string]int{
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"ACTION": action,
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"ADD": add,
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"ADDDATE": addDate,
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"ADVISE": advise,
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"ADMIN": admin,
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"AFTER": after,
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"AGAINST": against,
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@ -393,6 +394,8 @@ var tokenMap = map[string]int{
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"MAX": max,
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"MAX_CONNECTIONS_PER_HOUR": maxConnectionsPerHour,
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"MAX_EXECUTION_TIME": maxExecutionTime,
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"MAX_IDXNUM": max_idxnum,
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"MAX_MINUTES": max_minutes,
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"MAX_QUERIES_PER_HOUR": maxQueriesPerHour,
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"MAX_ROWS": maxRows,
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"MAX_UPDATES_PER_HOUR": maxUpdatesPerHour,
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@ -461,6 +464,8 @@ var tokenMap = map[string]int{
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"PARTITIONS": partitions,
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"PASSWORD": password,
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"PESSIMISTIC": pessimistic,
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"PER_TABLE": per_table,
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"PER_DB": per_db,
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"PLUGINS": plugins,
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"POSITION": position,
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"PRECEDING": preceding,
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17732
parser/parser.go
17732
parser/parser.go
File diff suppressed because it is too large
Load Diff
@ -282,6 +282,7 @@ import (
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/* The following tokens belong to UnReservedKeyword. Notice: make sure these tokens are contained in UnReservedKeyword. */
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account "ACCOUNT"
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action "ACTION"
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advise "ADVISE"
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after "AFTER"
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against "AGAINST"
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always "ALWAYS"
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@ -404,6 +405,8 @@ import (
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merge "MERGE"
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minRows "MIN_ROWS"
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minValue "MINVALUE"
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max_minutes "MAX_MINUTES"
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max_idxnum "MAX_IDXNUM"
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names "NAMES"
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national "NATIONAL"
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ncharType "NCHAR"
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@ -433,6 +436,8 @@ import (
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processlist "PROCESSLIST"
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profile "PROFILE"
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profiles "PROFILES"
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per_table "PER_TABLE"
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per_db "PER_DB"
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quarter "QUARTER"
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query "QUERY"
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queries "QUERIES"
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@ -760,6 +765,7 @@ import (
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GrantStmt "Grant statement"
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GrantRoleStmt "Grant role statement"
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InsertIntoStmt "INSERT INTO statement"
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IndexAdviseStmt "INDEX ADVISE stetement"
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KillStmt "Kill statement"
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LoadDataStmt "Load data statement"
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LoadStatsStmt "Load statistic statement"
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@ -1146,6 +1152,10 @@ import (
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EnforcedOrNotOrNotNullOpt "{[ENFORCED|NOT ENFORCED|NOT NULL]}"
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Match "[MATCH FULL | MATCH PARTIAL | MATCH SIMPLE]"
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MatchOpt "optional MATCH clause"
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MaxMinutesOpt "MAX_MINUTES num(int)"
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MaxIndexNumOpt "MAX_IDXNUM clause"
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PerTable "Max index number PER_TABLE"
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PerDB "Max index number PER_DB"
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%type <ident>
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AsOpt "AS or EmptyString"
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@ -4603,7 +4613,7 @@ Identifier:
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identifier | UnReservedKeyword | NotKeywordToken | TiDBKeyword
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UnReservedKeyword:
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"ACTION" | "ASCII" | "AUTO_INCREMENT" | "AFTER" | "ALWAYS" | "AVG" | "BEGIN" | "BIT" | "BOOL" | "BOOLEAN" | "BTREE" | "BYTE" | "CAPTURE" |"CLEANUP" | "CHARSET"
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"ACTION" | "ADVISE" |"ASCII" | "AUTO_INCREMENT" | "AFTER" | "ALWAYS" | "AVG" | "BEGIN" | "BIT" | "BOOL" | "BOOLEAN" | "BTREE" | "BYTE" | "CAPTURE" |"CLEANUP" | "CHARSET"
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| "COLUMNS" | "COMMIT" | "COMPACT" | "COMPRESSED" | "CONSISTENT" | "CURRENT" | "DATA" | "DATE" %prec lowerThanStringLitToken| "DATETIME" | "DAY" | "DEALLOCATE" | "DO" | "DUPLICATE"
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| "DYNAMIC" | "ENCRYPTION" | "END" | "ENFORCED" | "ENGINE" | "ENGINES" | "ENUM" | "ERRORS" | "ESCAPE" | "EVOLVE" | "EXECUTE" | "EXTENDED" | "FIELDS" | "FIRST" | "FIXED" | "FLUSH" | "FOLLOWING" | "FORMAT" | "FULL" |"GLOBAL"
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| "HASH" | "HOUR" | "INSERT_METHOD" | "LESS" | "LOCAL" | "LAST" | "NAMES" | "OFFSET" | "PASSWORD" %prec lowerThanEq | "PREPARE" | "QUICK" | "REBUILD" | "REDUNDANT" | "REORGANIZE"
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@ -4621,7 +4631,7 @@ UnReservedKeyword:
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| "WITHOUT" | "RTREE" | "EXCHANGE" | "COLUMN_FORMAT" | "REPAIR" | "IMPORT" | "DISCARD" | "TABLE_CHECKSUM" | "UNICODE"
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| "SQL_TSI_DAY" | "SQL_TSI_HOUR" | "SQL_TSI_MINUTE" | "SQL_TSI_MONTH" | "SQL_TSI_QUARTER" | "SQL_TSI_SECOND" |
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"SQL_TSI_WEEK" | "SQL_TSI_YEAR" | "INVISIBLE" | "VISIBLE" | "TYPE" | "NOWAIT" | "REPLICA" | "LOCATION" | "LABELS"
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| "LOGS" | "HOSTS" | "AGAINST" | "EXPANSION" | "INCREMENT" | "MINVALUE" | "NOMAXVALUE" | "NOMINVALUE" | "NOCACHE" | "CACHE" | "CYCLE" | "NOCYCLE" | "NOORDER"
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| "LOGS" | "HOSTS" | "AGAINST" | "EXPANSION" | "INCREMENT" | "MINVALUE" | "NOMAXVALUE" | "NOMINVALUE" | "NOCACHE" | "CACHE" | "CYCLE" | "NOCYCLE" | "NOORDER" | "MAX_MINUTES" | "MAX_IDXNUM" | "PER_TABLE" | "PER_DB"
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TiDBKeyword:
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"ADMIN" | "AGG_TO_COP" |"BUCKETS" | "BUILTINS" | "CANCEL" | "CMSKETCH" | "DDL" | "DEPTH" | "DRAINER" | "JOBS" | "JOB" | "NODE_ID" | "NODE_STATE" | "PUMP" | "SAMPLES" | "STATS" | "STATS_META" | "STATS_HISTOGRAMS" | "STATS_BUCKETS" | "STATS_HEALTHY" | "TIDB"
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@ -8673,6 +8683,7 @@ Statement:
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| GrantStmt
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| GrantRoleStmt
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| InsertIntoStmt
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| IndexAdviseStmt
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| KillStmt
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| LoadDataStmt
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| LoadStatsStmt
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@ -10927,4 +10938,79 @@ SignedNum:
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$$ = -$2.(int64)
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}
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/********************************************************************
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* Index Advisor Statement
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*
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* INDEX ADVISE
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* [LOCAL]
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* INFILE 'file_name'
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* [MAX_MINUTES number]
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* [MAX_IDXNUM
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* [PER_TABLE number]
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* [PER_DB number]
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* ]
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* [LINES
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* [STARTING BY 'string']
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* [TERMINATED BY 'string']
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* ]
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*******************************************************************/
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IndexAdviseStmt:
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"INDEX" "ADVISE" LocalOpt "INFILE" stringLit MaxMinutesOpt MaxIndexNumOpt Lines
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{
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x := &ast.IndexAdviseStmt{
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Path: $5,
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MaxMinutes: $6.(uint64),
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}
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if $3 != nil {
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x.IsLocal = true
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}
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if $7 != nil {
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x.MaxIndexNum = $7.(*ast.MaxIndexNumClause)
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}
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if $8 != nil {
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x.LinesInfo = $8.(*ast.LinesClause)
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}
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$$ = x
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}
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MaxMinutesOpt:
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{
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$$ = uint64(ast.UnspecifiedSize)
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}
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| "MAX_MINUTES" NUM
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{
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$$ = getUint64FromNUM($2)
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}
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MaxIndexNumOpt:
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{
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$$ = nil
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}
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| "MAX_IDXNUM" PerTable PerDB
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{
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$$ = &ast.MaxIndexNumClause{
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PerTable: $2.(uint64),
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PerDB: $3.(uint64),
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}
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}
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PerTable:
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{
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$$ = uint64(ast.UnspecifiedSize)
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}
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| "PER_TABLE" NUM
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{
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$$ = getUint64FromNUM($2)
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}
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PerDB:
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{
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$$ = uint64(ast.UnspecifiedSize)
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}
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| "PER_DB" NUM
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{
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$$ = getUint64FromNUM($2)
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}
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%%
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@ -4837,3 +4837,63 @@ func (checker *nodeTextCleaner) Enter(in ast.Node) (out ast.Node, skipChildren b
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func (checker *nodeTextCleaner) Leave(in ast.Node) (out ast.Node, ok bool) {
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return in, true
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}
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// For index advisor
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func (s *testParserSuite) TestIndexAdviseStmt(c *C) {
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table := []testCase{
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{"INDEX ADVISE INFILE '/tmp/t.sql'", true, "INDEX ADVISE INFILE '/tmp/t.sql'"},
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{"INDEX ADVISE LOCAL INFILE '/tmp/t.sql'", true, "INDEX ADVISE LOCAL INFILE '/tmp/t.sql'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES -1", false, ""},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_IDXNUM PER_TABLE 4", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_IDXNUM PER_TABLE 4"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_IDXNUM PER_DB 4", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_IDXNUM PER_DB 4"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_IDXNUM PER_TABLE 8 PER_DB 4", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_IDXNUM PER_TABLE 8 PER_DB 4"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_IDXNUM PER_DB 4 PER_TABLE 8", false, ""},
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{"INDEX ADVISE INFILE '/tmp/t.sql' LINES STARTING BY 'ab'", true, "INDEX ADVISE INFILE '/tmp/t.sql' LINES STARTING BY 'ab'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' LINES TERMINATED BY '\n'", true, "INDEX ADVISE INFILE '/tmp/t.sql'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' LINES TERMINATED BY 'cd'", true, "INDEX ADVISE INFILE '/tmp/t.sql' LINES TERMINATED BY 'cd'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' LINES STARTING BY 'ab' TERMINATED BY '\n'", true, "INDEX ADVISE INFILE '/tmp/t.sql' LINES STARTING BY 'ab'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' LINES STARTING BY 'ab' TERMINATED BY 'cd'", true, "INDEX ADVISE INFILE '/tmp/t.sql' LINES STARTING BY 'ab' TERMINATED BY 'cd'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 4", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 4"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_DB 4", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_DB 4"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 MAX_IDXNUM PER_TABLE 4", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 MAX_IDXNUM PER_TABLE 4"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 MAX_IDXNUM PER_DB 4", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 MAX_IDXNUM PER_DB 4"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 MAX_IDXNUM PER_TABLE 8 PER_DB 4", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 MAX_IDXNUM PER_TABLE 8 PER_DB 4"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES -1 MAX_IDXNUM PER_TABLE 4", false, ""},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES -1 MAX_IDXNUM PER_DB 4", false, ""},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES -1 MAX_IDXNUM PER_TABLE 8 PER_DB 4", false, ""},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4 LINES STARTING BY 'ab'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4 LINES STARTING BY 'ab'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4 LINES TERMINATED BY '\n'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4 LINES TERMINATED BY 'cd'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4 LINES TERMINATED BY 'cd'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4 LINES STARTING BY 'ab' TERMINATED BY '\n'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4 LINES STARTING BY 'ab'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4 LINES STARTING BY 'ab' TERMINATED BY 'cd'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 4 LINES STARTING BY 'ab' TERMINATED BY 'cd'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 LINES STARTING BY 'ab'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 LINES STARTING BY 'ab'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 LINES TERMINATED BY '\n'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 LINES TERMINATED BY 'cd'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 LINES TERMINATED BY 'cd'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 LINES STARTING BY 'ab' TERMINATED BY '\n'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 LINES STARTING BY 'ab'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 LINES STARTING BY 'ab' TERMINATED BY 'cd'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 LINES STARTING BY 'ab' TERMINATED BY 'cd'"},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES -1 LINES STARTING BY 'ab' TERMINATED BY '\n'", false, ""},
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES -1 LINES STARTING BY 'ab' TERMINATED BY 'cd'", false, ""},
|
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 4 LINES STARTING BY 'ab'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 4 LINES STARTING BY 'ab'"},
|
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_DB 4 LINES STARTING BY 'ab'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_DB 4 LINES STARTING BY 'ab'"},
|
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab'"},
|
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES TERMINATED BY '\n'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4"},
|
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{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES TERMINATED BY 'cd'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES TERMINATED BY 'cd'"},
|
||||
{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab' TERMINATED BY '\n'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab'"},
|
||||
{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab' TERMINATED BY 'cd'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 3 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab' TERMINATED BY 'cd'"},
|
||||
{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab' TERMINATED BY '\n'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab'"},
|
||||
{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab' TERMINATED BY 'cd'", true, "INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES 0 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab' TERMINATED BY 'cd'"},
|
||||
{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES -1 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab' TERMINATED BY '\n'", false, ""},
|
||||
{"INDEX ADVISE INFILE '/tmp/t.sql' MAX_MINUTES -1 MAX_IDXNUM PER_TABLE 8 PER_DB 4 LINES STARTING BY 'ab' TERMINATED BY 'cd'", false, ""},
|
||||
}
|
||||
|
||||
s.RunTest(c, table)
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user