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ttl: ouput TTL comment format when show create table #39853

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merged 4 commits into from
Dec 13, 2022
Merged

ttl: ouput TTL comment format when show create table #39853

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8b3ee4a
ttl: ouput TTL comment format when show create table
lcwangchao Dec 13, 2022
3eed4f7
update bazel
lcwangchao Dec 13, 2022
2a40164
Merge branch 'master' into ttl_show_table_comments
ti-chi-bot Dec 13, 2022
2860f96
Merge branch 'master' into ttl_show_table_comments
lcwangchao Dec 13, 2022
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1 change: 1 addition & 0 deletions executor/BUILD.bazel
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,7 @@ go_library(
"//parser/model",
"//parser/mysql",
"//parser/terror",
"//parser/tidb",
"//parser/types",
"//planner",
"//planner/core",
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14 changes: 7 additions & 7 deletions executor/ddl_test.go
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Expand Up @@ -1532,7 +1532,7 @@ func TestCreateTableWithTTL(t *testing.T) {
tk.MustExec("use test")

tk.MustExec("CREATE TABLE t (created_at datetime) TTL = `created_at` + INTERVAL 5 DAY")
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin TTL = `created_at` + INTERVAL 5 DAY TTL_ENABLE = 'ON'"))
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![ttl] TTL=`created_at` + INTERVAL 5 DAY */ /*T![ttl] TTL_ENABLE='ON' */"))
tk.MustExec("DROP TABLE t")

tk.MustGetErrMsg("CREATE TABLE t (id int) TTL = `id` + INTERVAL 5 DAY", "[ddl:8148]Field 'id' is of a not supported type for TTL config, expect DATETIME, DATE or TIMESTAMP")
Expand All @@ -1541,7 +1541,7 @@ func TestCreateTableWithTTL(t *testing.T) {

// when multiple ttl and ttl_enable configs are submitted, only the last one will be handled
tk.MustExec("CREATE TABLE t (created_at datetime) TTL_ENABLE = 'ON' TTL = `created_at` + INTERVAL 1 DAY TTL = `created_at` + INTERVAL 2 DAY TTL = `created_at` + INTERVAL 3 DAY TTL_ENABLE = 'OFF'")
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin TTL = `created_at` + INTERVAL 3 DAY TTL_ENABLE = 'OFF'"))
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![ttl] TTL=`created_at` + INTERVAL 3 DAY */ /*T![ttl] TTL_ENABLE='OFF' */"))
tk.MustExec("DROP TABLE t")
}

Expand All @@ -1554,10 +1554,10 @@ func TestAlterTTLInfo(t *testing.T) {

tk.MustExec("CREATE TABLE t (created_at datetime, updated_at datetime, wrong_type int) TTL = `created_at` + INTERVAL 5 DAY")
tk.MustExec("ALTER TABLE t TTL = `updated_at` + INTERVAL 2 YEAR")
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL,\n `updated_at` datetime DEFAULT NULL,\n `wrong_type` int(11) DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin TTL = `updated_at` + INTERVAL 2 YEAR TTL_ENABLE = 'ON'"))
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL,\n `updated_at` datetime DEFAULT NULL,\n `wrong_type` int(11) DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![ttl] TTL=`updated_at` + INTERVAL 2 YEAR */ /*T![ttl] TTL_ENABLE='ON' */"))

tk.MustExec("ALTER TABLE t TTL_ENABLE = 'OFF'")
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL,\n `updated_at` datetime DEFAULT NULL,\n `wrong_type` int(11) DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin TTL = `updated_at` + INTERVAL 2 YEAR TTL_ENABLE = 'OFF'"))
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL,\n `updated_at` datetime DEFAULT NULL,\n `wrong_type` int(11) DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![ttl] TTL=`updated_at` + INTERVAL 2 YEAR */ /*T![ttl] TTL_ENABLE='OFF' */"))

tk.MustGetErrMsg("ALTER TABLE t TTL = `not_exist` + INTERVAL 2 YEAR", "[ddl:1054]Unknown column 'not_exist' in 'TTL config'")

Expand All @@ -1567,13 +1567,13 @@ func TestAlterTTLInfo(t *testing.T) {
tk.MustGetErrMsg("ALTER TABLE t CHANGE updated_at updated_at_new INT", "[ddl:8148]Field 'updated_at_new' is of a not supported type for TTL config, expect DATETIME, DATE or TIMESTAMP")

tk.MustExec("ALTER TABLE t RENAME COLUMN `updated_at` TO `updated_at_2`")
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL,\n `updated_at_2` datetime DEFAULT NULL,\n `wrong_type` int(11) DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin TTL = `updated_at_2` + INTERVAL 2 YEAR TTL_ENABLE = 'OFF'"))
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL,\n `updated_at_2` datetime DEFAULT NULL,\n `wrong_type` int(11) DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![ttl] TTL=`updated_at_2` + INTERVAL 2 YEAR */ /*T![ttl] TTL_ENABLE='OFF' */"))

tk.MustExec("ALTER TABLE t CHANGE `updated_at_2` `updated_at_3` date")
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL,\n `updated_at_3` date DEFAULT NULL,\n `wrong_type` int(11) DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin TTL = `updated_at_3` + INTERVAL 2 YEAR TTL_ENABLE = 'OFF'"))
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL,\n `updated_at_3` date DEFAULT NULL,\n `wrong_type` int(11) DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![ttl] TTL=`updated_at_3` + INTERVAL 2 YEAR */ /*T![ttl] TTL_ENABLE='OFF' */"))

tk.MustExec("ALTER TABLE t TTL = `updated_at_3` + INTERVAL 3 YEAR")
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL,\n `updated_at_3` date DEFAULT NULL,\n `wrong_type` int(11) DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin TTL = `updated_at_3` + INTERVAL 3 YEAR TTL_ENABLE = 'OFF'"))
tk.MustQuery("SHOW CREATE TABLE t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL,\n `updated_at_3` date DEFAULT NULL,\n `wrong_type` int(11) DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![ttl] TTL=`updated_at_3` + INTERVAL 3 YEAR */ /*T![ttl] TTL_ENABLE='OFF' */"))

tk.MustGetErrMsg("ALTER TABLE t TTL_ENABLE = 'OFF' REMOVE TTL", "[ddl:8200]Unsupported multi schema change for alter table ttl")

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39 changes: 27 additions & 12 deletions executor/show.go
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@ import (
"github.com/pingcap/tidb/parser/model"
"github.com/pingcap/tidb/parser/mysql"
"github.com/pingcap/tidb/parser/terror"
"github.com/pingcap/tidb/parser/tidb"
field_types "github.com/pingcap/tidb/parser/types"
plannercore "github.com/pingcap/tidb/planner/core"
"github.com/pingcap/tidb/plugin"
Expand Down Expand Up @@ -1227,24 +1228,38 @@ func ConstructResultOfShowCreateTable(ctx sessionctx.Context, tableInfo *model.T
ddl.AppendPartitionInfo(tableInfo.Partition, buf, sqlMode)

if tableInfo.TTLInfo != nil {
restoreFlags := parserformat.RestoreStringSingleQuotes | parserformat.RestoreNameBackQuotes
restoreFlags := parserformat.RestoreStringSingleQuotes | parserformat.RestoreNameBackQuotes | parserformat.RestoreTiDBSpecialComment
restoreCtx := parserformat.NewRestoreCtx(restoreFlags, buf)

columnName := ast.ColumnName{Name: tableInfo.TTLInfo.ColumnName}
timeUnit := ast.TimeUnitExpr{Unit: ast.TimeUnitType(tableInfo.TTLInfo.IntervalTimeUnit)}
restoreCtx.WritePlain(" ")
err = restoreCtx.WriteWithSpecialComments(tidb.FeatureIDTTL, func() error {
columnName := ast.ColumnName{Name: tableInfo.TTLInfo.ColumnName}
timeUnit := ast.TimeUnitExpr{Unit: ast.TimeUnitType(tableInfo.TTLInfo.IntervalTimeUnit)}
restoreCtx.WriteKeyWord("TTL")
restoreCtx.WritePlain("=")
restoreCtx.WriteName(columnName.String())
restoreCtx.WritePlainf(" + INTERVAL %s ", tableInfo.TTLInfo.IntervalExprStr)
return timeUnit.Restore(restoreCtx)
})

restoreCtx.WriteKeyWord(" TTL ")
restoreCtx.WritePlain("= ")
restoreCtx.WriteName(columnName.String())
restoreCtx.WritePlainf(" + INTERVAL %s ", tableInfo.TTLInfo.IntervalExprStr)
err = timeUnit.Restore(restoreCtx)
if err != nil {
return err
}
if tableInfo.TTLInfo.Enable {
fmt.Fprintf(buf, " TTL_ENABLE = 'ON'")
} else {
fmt.Fprintf(buf, " TTL_ENABLE = 'OFF'")

restoreCtx.WritePlain(" ")
err = restoreCtx.WriteWithSpecialComments(tidb.FeatureIDTTL, func() error {
restoreCtx.WriteKeyWord("TTL_ENABLE")
restoreCtx.WritePlain("=")
if tableInfo.TTLInfo.Enable {
restoreCtx.WriteString("ON")
} else {
restoreCtx.WriteString("OFF")
}
return nil
})

if err != nil {
return err
}
}
return nil
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8 changes: 4 additions & 4 deletions executor/showtest/show_test.go
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Expand Up @@ -2030,18 +2030,18 @@ func TestShowTTLOption(t *testing.T) {
tk.MustExec("use test")
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(created_at datetime) ttl = `created_at` + INTERVAL 100 YEAR")
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin TTL = `created_at` + INTERVAL 100 YEAR TTL_ENABLE = 'ON'"))
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![ttl] TTL=`created_at` + INTERVAL 100 YEAR */ /*T![ttl] TTL_ENABLE='ON' */"))
tk.MustExec("drop table if exists t")
tk.MustExec("create table t(created_at datetime) ttl = `created_at` + INTERVAL 100 YEAR ttl_enable = 'OFF'")
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin TTL = `created_at` + INTERVAL 100 YEAR TTL_ENABLE = 'OFF'"))
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![ttl] TTL=`created_at` + INTERVAL 100 YEAR */ /*T![ttl] TTL_ENABLE='OFF' */"))

tk.MustExec("drop table if exists t")
tk.MustExec("create table t (created_at datetime) TTL = created_at + INTERVAL 3.14159 HOUR_MINUTE")
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin TTL = `created_at` + INTERVAL 3.14159 HOUR_MINUTE TTL_ENABLE = 'ON'"))
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![ttl] TTL=`created_at` + INTERVAL 3.14159 HOUR_MINUTE */ /*T![ttl] TTL_ENABLE='ON' */"))

tk.MustExec("drop table if exists t")
tk.MustExec("create table t (created_at datetime) TTL = created_at + INTERVAL \"15:20\" HOUR_MINUTE")
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin TTL = `created_at` + INTERVAL _utf8mb4'15:20' HOUR_MINUTE TTL_ENABLE = 'ON'"))
tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n `created_at` datetime DEFAULT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin /*T![ttl] TTL=`created_at` + INTERVAL _utf8mb4'15:20' HOUR_MINUTE */ /*T![ttl] TTL_ENABLE='ON' */"))
}

func TestShowBindingDigestField(t *testing.T) {
Expand Down