*: add parser and definition for: (#2667)

ast/functions.go

@@ -102,47 +102,65 @@ const (
 	Truncate = "truncate"
 
 	// time functions
+	AddDate          = "adddate"
+	AddTime          = "addtime"
+	ConvertTz        = "convert_tz"
 	Curdate          = "curdate"
 	CurrentDate      = "current_date"
 	CurrentTime      = "current_time"
 	CurrentTimestamp = "current_timestamp"
 	Curtime          = "curtime"
 	Date             = "date"
-	DateDiff         = "datediff"
 	DateAdd          = "date_add"
-	AddDate          = "adddate"
-	DateSub          = "date_sub"
-	SubDate          = "subdate"
 	DateFormat       = "date_format"
+	DateSub          = "date_sub"
+	DateDiff         = "datediff"
 	Day              = "day"
 	DayName          = "dayname"
 	DayOfMonth       = "dayofmonth"
 	DayOfWeek        = "dayofweek"
 	DayOfYear        = "dayofyear"
-	FromDays         = "from_days"
 	Extract          = "extract"
+	FromDays         = "from_days"
+	FromUnixTime     = "from_unixtime"
+	GetFormat        = "get_format"
 	Hour             = "hour"
+	LocalTime        = "localtime"
+	LocalTimestamp   = "localtimestamp"
+	MakeDate         = "makedate"
+	MakeTime         = "maketime"
 	MicroSecond      = "microsecond"
 	Minute           = "minute"
 	Month            = "month"
 	MonthName        = "monthname"
 	Now              = "now"
+	PeriodAdd        = "period_add"
+	PeriodDiff       = "period_diff"
+	Quarter          = "quarter"
+	SecToTime        = "sec_to_time"
 	Second           = "second"
 	StrToDate        = "str_to_date"
+	SubDate          = "subdate"
+	SubTime          = "subtime"
 	Sysdate          = "sysdate"
 	Time             = "time"
+	TimeFormat       = "time_format"
+	TimeToSec        = "time_to_sec"
 	TimeDiff         = "timediff"
 	Timestamp        = "timestamp"
+	TimestampAdd     = "timestampadd"
 	TimestampDiff    = "timestampdiff"
+	ToDays           = "to_days"
+	ToSeconds        = "to_seconds"
+	UnixTimestamp    = "unix_timestamp"
 	UTCDate          = "utc_date"
+	UTCTime          = "utc_time"
 	UTCTimestamp     = "utc_timestamp"
-	UnixTimestamp    = "unix_timestamp"
 	Week             = "week"
 	Weekday          = "weekday"
 	WeekOfYear       = "weekofyear"
 	Year             = "year"
 	YearWeek         = "yearweek"
-	FromUnixTime     = "from_unixtime"
 
 	// string functions
 	ASCII          = "ascii"

expression/builtin.go

@@ -164,47 +164,64 @@ var funcs = map[string]functionClass{
 	ast.Truncate: &truncateFunctionClass{baseFunctionClass{ast.Truncate, 2, 2}},
 
 	// time functions
+	ast.AddDate:          &dateArithFunctionClass{baseFunctionClass{ast.AddDate, 3, 3}, ast.DateArithAdd},
+	ast.AddTime:          &addTimeFunctionClass{baseFunctionClass{ast.AddTime, 2, 2}},
+	ast.ConvertTz:        &convertTzFunctionClass{baseFunctionClass{ast.ConvertTz, 3, 3}},
 	ast.Curdate:          &currentDateFunctionClass{baseFunctionClass{ast.Curdate, 0, 0}},
 	ast.CurrentDate:      &currentDateFunctionClass{baseFunctionClass{ast.CurrentDate, 0, 0}},
 	ast.CurrentTime:      &currentTimeFunctionClass{baseFunctionClass{ast.CurrentTime, 0, 1}},
+	ast.CurrentTimestamp: &nowFunctionClass{baseFunctionClass{ast.CurrentTimestamp, 0, 1}},
+	ast.Curtime:          &currentTimeFunctionClass{baseFunctionClass{ast.Curtime, 0, 1}},
 	ast.Date:             &dateFunctionClass{baseFunctionClass{ast.Date, 1, 1}},
-	ast.DateDiff:         &dateDiffFunctionClass{baseFunctionClass{ast.DateDiff, 2, 2}},
 	ast.DateAdd:          &dateArithFunctionClass{baseFunctionClass{ast.DateAdd, 3, 3}, ast.DateArithAdd},
-	ast.AddDate:          &dateArithFunctionClass{baseFunctionClass{ast.AddDate, 3, 3}, ast.DateArithAdd},
-	ast.DateSub:          &dateArithFunctionClass{baseFunctionClass{ast.DateSub, 3, 3}, ast.DateArithSub},
-	ast.SubDate:          &dateArithFunctionClass{baseFunctionClass{ast.SubDate, 3, 3}, ast.DateArithSub},
 	ast.DateFormat:       &dateFormatFunctionClass{baseFunctionClass{ast.DateFormat, 2, 2}},
-	ast.CurrentTimestamp: &nowFunctionClass{baseFunctionClass{ast.CurrentTimestamp, 0, 1}},
-	ast.Now:              &nowFunctionClass{baseFunctionClass{ast.Now, 0, 1}},
-	ast.Curtime:          &currentTimeFunctionClass{baseFunctionClass{ast.Curtime, 0, 1}},
+	ast.DateSub:          &dateArithFunctionClass{baseFunctionClass{ast.DateSub, 3, 3}, ast.DateArithSub},
+	ast.DateDiff:         &dateDiffFunctionClass{baseFunctionClass{ast.DateDiff, 2, 2}},
 	ast.Day:              &dayOfMonthFunctionClass{baseFunctionClass{ast.Day, 1, 1}},
 	ast.DayName:          &dayNameFunctionClass{baseFunctionClass{ast.DayName, 1, 1}},
 	ast.DayOfMonth:       &dayOfMonthFunctionClass{baseFunctionClass{ast.DayOfMonth, 1, 1}},
 	ast.DayOfWeek:        &dayOfWeekFunctionClass{baseFunctionClass{ast.DayOfWeek, 1, 1}},
 	ast.DayOfYear:        &dayOfYearFunctionClass{baseFunctionClass{ast.DayOfYear, 1, 1}},
-	ast.FromDays:         &fromDaysFunctionClass{baseFunctionClass{ast.FromDays, 1, 1}},
 	ast.Extract:          &extractFunctionClass{baseFunctionClass{ast.Extract, 2, 2}},
+	ast.FromDays:         &fromDaysFunctionClass{baseFunctionClass{ast.FromDays, 1, 1}},
+	ast.FromUnixTime:     &fromUnixTimeFunctionClass{baseFunctionClass{ast.FromUnixTime, 1, 2}},
 	ast.Hour:             &hourFunctionClass{baseFunctionClass{ast.Hour, 1, 1}},
+	ast.LocalTime:        &nowFunctionClass{baseFunctionClass{ast.LocalTime, 0, 1}},
+	ast.LocalTimestamp:   &nowFunctionClass{baseFunctionClass{ast.LocalTimestamp, 0, 1}},
+	ast.MakeDate:         &makeDateFunctionClass{baseFunctionClass{ast.MakeDate, 2, 2}},
+	ast.MakeTime:         &makeTimeFunctionClass{baseFunctionClass{ast.MakeTime, 3, 3}},
 	ast.MicroSecond:      &microSecondFunctionClass{baseFunctionClass{ast.MicroSecond, 1, 1}},
 	ast.Minute:           &minuteFunctionClass{baseFunctionClass{ast.Minute, 1, 1}},
 	ast.Month:            &monthFunctionClass{baseFunctionClass{ast.Month, 1, 1}},
 	ast.MonthName:        &monthNameFunctionClass{baseFunctionClass{ast.MonthName, 1, 1}},
+	ast.Now:              &nowFunctionClass{baseFunctionClass{ast.Now, 0, 1}},
+	ast.PeriodAdd:        &periodAddFunctionClass{baseFunctionClass{ast.PeriodAdd, 2, 2}},
+	ast.PeriodDiff:       &periodDiffFunctionClass{baseFunctionClass{ast.PeriodDiff, 2, 2}},
+	ast.Quarter:          &quarterFunctionClass{baseFunctionClass{ast.Quarter, 1, 1}},
+	ast.SecToTime:        &secToTimeFunctionClass{baseFunctionClass{ast.SecToTime, 1, 1}},
 	ast.Second:           &secondFunctionClass{baseFunctionClass{ast.Second, 1, 1}},
 	ast.StrToDate:        &strToDateFunctionClass{baseFunctionClass{ast.StrToDate, 2, 2}},
+	ast.SubDate:          &dateArithFunctionClass{baseFunctionClass{ast.SubDate, 3, 3}, ast.DateArithSub},
+	ast.SubTime:          &subTimeFunctionClass{baseFunctionClass{ast.SubTime, 2, 2}},
 	ast.Sysdate:          &sysDateFunctionClass{baseFunctionClass{ast.Sysdate, 0, 1}},
 	ast.Time:             &timeFunctionClass{baseFunctionClass{ast.Time, 1, 1}},
+	ast.TimeFormat:       &timeFormatFunctionClass{baseFunctionClass{ast.TimeFormat, 2, 2}},
+	ast.TimeToSec:        &timeToSecFunctionClass{baseFunctionClass{ast.TimeToSec, 1, 1}},
+	ast.TimeDiff:         &timeDiffFunctionClass{baseFunctionClass{ast.TimeDiff, 2, 2}},
 	ast.Timestamp:        &timestampFunctionClass{baseFunctionClass{ast.Timestamp, 1, 2}},
+	ast.TimestampAdd:     &timestampAddFunctionClass{baseFunctionClass{ast.TimestampAdd, 3, 3}},
+	ast.TimestampDiff:    &timestampDiffFunctionClass{baseFunctionClass{ast.TimestampDiff, 3, 3}},
+	ast.ToDays:           &toDaysFunctionClass{baseFunctionClass{ast.ToDays, 1, 1}},
+	ast.ToSeconds:        &toSecondsFunctionClass{baseFunctionClass{ast.ToSeconds, 1, 1}},
+	ast.UnixTimestamp:    &unixTimestampFunctionClass{baseFunctionClass{ast.UnixTimestamp, 0, 1}},
 	ast.UTCDate:          &utcDateFunctionClass{baseFunctionClass{ast.UTCDate, 0, 0}},
+	ast.UTCTime:          &utcTimeFunctionClass{baseFunctionClass{ast.UTCTime, 0, 1}},
 	ast.UTCTimestamp:     &utcTimestampFunctionClass{baseFunctionClass{ast.UnixTimestamp, 0, 1}},
 	ast.Week:             &weekFunctionClass{baseFunctionClass{ast.Week, 1, 2}},
 	ast.Weekday:          &weekDayFunctionClass{baseFunctionClass{ast.Weekday, 1, 1}},
 	ast.WeekOfYear:       &weekOfYearFunctionClass{baseFunctionClass{ast.WeekOfYear, 1, 1}},
 	ast.Year:             &yearFunctionClass{baseFunctionClass{ast.Year, 1, 1}},
 	ast.YearWeek:         &yearWeekFunctionClass{baseFunctionClass{ast.YearWeek, 1, 2}},
-	ast.FromUnixTime:     &fromUnixTimeFunctionClass{baseFunctionClass{ast.FromUnixTime, 1, 2}},
-	ast.TimeDiff:         &timeDiffFunctionClass{baseFunctionClass{ast.TimeDiff, 2, 2}},
-	ast.TimestampDiff:    &timestampDiffFunctionClass{baseFunctionClass{ast.TimestampDiff, 3, 3}},
-	ast.UnixTimestamp:    &unixTimestampFunctionClass{baseFunctionClass{ast.UnixTimestamp, 0, 1}},
 
 	// string functions
 	ast.ASCII:          &asciiFunctionClass{baseFunctionClass{ast.ASCII, 1, 1}},