Func (ymate-platform-persistence-jdbc 2.0.6 API)

java.lang.Object
- net.ymate.platform.persistence.jdbc.query.Func

```
public final class Func
extends Object
```
数据库函数库(尝试!!! 暂未考虑不同数据库间的兼容问题)

版本:

1.0

作者:

刘镇 (suninformation@163.com) on 17/6/22 上午10:50

构造器概要

构造器
构造器和说明

Func()

构造器
构造器和说明
`Func()`

方法概要

All Methods Static Methods Concrete Methods
限定符和类型	方法和说明
`static IFunction`	`ABS(IFunction x)`
`static IFunction`	`ABS(String x)`
`static IFunction`	`ACOS(IFunction x)`
`static IFunction`	`ACOS(String x)`
`static IFunction`	`ADDDATE(String expr, Number days)`
`static IFunction`	`ADDTIME(String expr, String expr2)`
`static IFunction`	`ASCII(String str)`
`static IFunction`	`ASIN(IFunction x)`
`static IFunction`	`ASIN(String x)`
`static IFunction`	`ATAN(IFunction x)`
`static IFunction`	`ATAN(IFunction y, IFunction x)`
`static IFunction`	`ATAN(String x)`
`static IFunction`	`ATAN(String y, String x)`
`static IFunction`	`AVG(String expr)`
`static IFunction`	`AVG(String expr, boolean distinct)`
`static IFunction`	`BIN(String str)`
`static IFunction`	`BIT_AND(String expr)`
`static IFunction`	`BIT_LENGTH(String str)`
`static IFunction`	`BIT_OR(String expr)`
`static IFunction`	`BIT_XOR(String expr)`
`static IFunction`	`CEILING(String x)`
`static IFunction`	`CHAR_LENGTH(String str)`
`static IFunction`	`CHAR(String... n)`
`static IFunction`	`CHARACTER_LENGTH(String str)`
`static IFunction`	`CONCAT_WS(String separator, String... n)`
`static IFunction`	`CONCAT(String... n)`
`static IFunction`	`CONV(String x, int fromBase, int toBase)`
`static IFunction`	`CONVERT_TZ(String dt, String fromTz, String toTz)`
`static IFunction`	`COS(String x)`
`static IFunction`	`COT(String x)`
`static IFunction`	`COUNT(String expr)`
`static IFunction`	`COUNT(String expr, boolean distinct)`
`static IFunction`	`CRC32(String expr)`
`static IFunction`	`create()`
`static IFunction`	`create(String funcName)`
`static IFunction`	`CURDATE()`
`static IFunction`	`CURTIME()`
`static IFunction`	`DATE_FORMAT(String date, String format)`
`static IFunction`	`DATE(String expr)`
`static IFunction`	`DATEDIFF(String expr, String expr2)`
`static IFunction`	`DAYNAME(String date)`
`static IFunction`	`DAYOFMONTH(String date)`
`static IFunction`	`DAYOFWEEK(String date)`
`static IFunction`	`DAYOFYEAR(String date)`
`static IFunction`	`DEGREES(String x)`
`static IFunction`	`ELT(String n, String... strs)`
`static IFunction`	`EXP(String x)`
`static IFunction`	`FIELD(String str, String... n)`
`static IFunction`	`FIND_IN_SET(String x, String strlist)`
`static IFunction`	`FLOOR(String x)`
`static IFunction`	`FORM_BASE64(String str)`
`static IFunction`	`FORMAT(String x, Number d)`
`static IFunction`	`FORMAT(String x, Number d, String locale)`
`static IFunction`	`FROM_UNIXTIME(String timestamp)`
`static IFunction`	`GET_FORMAT(String date, String type)`
`static IFunction`	`GROUP_CONCAT(String expr)`
`static IFunction`	`HEX(String str)`
`static IFunction`	`HOUR(String time)`
`static IFunction`	`INSERT(String str, Number pos, Number len, String newstr)`
`static IFunction`	`INSTR(String str, String substr)`
`static IFunction`	`LAST_DAY(String date)`
`static IFunction`	`LEFT(String str, Number len)`
`static IFunction`	`LENGTH(String str)`
`static IFunction`	`LN(String x)`
`static IFunction`	`LOAD_FILE(String str)`
`static IFunction`	`LOCATE(String substr, String str)`
`static IFunction`	`LOCATE(String substr, String str, String pos)`
`static IFunction`	`LOG(String x)`
`static IFunction`	`LOG(String b, String x)`
`static IFunction`	`LOG10(String x)`
`static IFunction`	`LOG2(String x)`
`static IFunction`	`LOWER(String str)`
`static IFunction`	`LPAD(String str, String len, String padstr)`
`static IFunction`	`LTRIM(String str)`
`static IFunction`	`MAKEDATE(String year, String dayOfYear)`
`static IFunction`	`MAKETIME(String hour, String minute, String second)`
`static IFunction`	`MAX(String expr)`
`static IFunction`	`MICROSECOND(String expr)`
`static IFunction`	`MIN(String expr)`
`static IFunction`	`MINUTE(String time)`
`static IFunction`	`MOD(String n, String m)`
`static IFunction`	`MONTH(String date)`
`static IFunction`	`MONTHNAME(String date)`
`static IFunction`	`NOW()`
`static IFunction`	`OCT(String str)`
`static IFunction`	`ORD(String str)`
`static IFunction`	`PERIOD_ADD(String p, String n)`
`static IFunction`	`PERIOD_DIFF(String p1, String p2)`
`static IFunction`	`PI()`
`static IFunction`	`POW(String y, String x)`
`static IFunction`	`POWER(String y, String x)`
`static IFunction`	`QUARTER(String date)`
`static IFunction`	`QUOTE(String str)`
`static IFunction`	`RADIANS(String x)`
`static IFunction`	`RAND()`
`static IFunction`	`RAND(String n)`
`static IFunction`	`REPEAT(String str, Number count)`
`static IFunction`	`REPLACE(String str, String fromStr, String toStr)`
`static IFunction`	`REVERSE(String str)`
`static IFunction`	`RIGHT(String str, Number len)`
`static IFunction`	`ROUND(String x)`
`static IFunction`	`ROUND(String x, Number d)`
`static IFunction`	`RPAD(String str, Number len, String padstr)`
`static IFunction`	`RTRIM(String str)`
`static IFunction`	`SEC_TO_TIME(String seconds)`
`static IFunction`	`SECOND(String date)`
`static IFunction`	`SIGN(String n)`
`static IFunction`	`SIN(String x)`
`static IFunction`	`SOUNDEX(String str)`
`static IFunction`	`SPACE(Number n)`
`static IFunction`	`SQRT(String x)`
`static IFunction`	`STR_TO_DATE(String str, String format)`
`static IFunction`	`STRCMP(String expr1, String expr2)`
`static IFunction`	`SUBSTRING_INDEX(String str, String delim, Number count)`
`static IFunction`	`SUBSTRING(String str, Number pos)`
`static IFunction`	`SUBSTRING(String str, Number pos, Number len)`
`static IFunction`	`SUM(String expr)`
`static IFunction`	`SYSDATE()`
`static IFunction`	`TAN(String x)`
`static IFunction`	`TIME_FORMAT(String time, String format)`
`static IFunction`	`TIME_TO_SEC(String time)`
`static IFunction`	`TIME(String expr)`
`static IFunction`	`TIMEDIFF(String expr, String expr2)`
`static IFunction`	`TIMESTAMP(String expr)`
`static IFunction`	`TIMESTAMP(String expr, String expr2)`
`static IFunction`	`TIMESTAMPDIFF(String interval, String datetimeExpr1, String datetimeExpr2)`
`static IFunction`	`TO_BASE64(String str)`
`static IFunction`	`TO_DAYS(String date)`
`static IFunction`	`TRIM_BOTH(String remstr, String str)`
`static IFunction`	`TRIM_LEADIN(String remstr, String str)`
`static IFunction`	`TRIM_TRAILING(String remstr, String str)`
`static IFunction`	`TRIM(String str)`
`static IFunction`	`TRUNCATE(String x)`
`static IFunction`	`TRUNCATE(String x, Number d)`
`static IFunction`	`UNHEX(String str)`
`static IFunction`	`UNIX_TIMESTAMP()`
`static IFunction`	`UNIX_TIMESTAMP(String date)`
`static IFunction`	`UPPER(String str)`
`static IFunction`	`UTC_DATE()`
`static IFunction`	`UTC_TIME()`
`static IFunction`	`UTC_TIMESTAMP()`
`static IFunction`	`WEEK(String date)`
`static IFunction`	`WEEK(String date, Number mode)`
`static IFunction`	`WEEKDAY(String date)`
`static IFunction`	`WEEKOFYEAR(String date)`
`static IFunction`	`WM_CONCAT(String expr)`
`static IFunction`	`YEAR(String date)`
`static IFunction`	`YEARWEEK(String date)`
`static IFunction`	`YEARWEEK(String date, String start)`

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料
- Func
```
public Func()
```

方法详细资料

create
```
public static IFunction create()
```

create

public static IFunction create(String funcName)

ABS

public static IFunction ABS(String x)

ABS

public static IFunction ABS(IFunction x)

ACOS

public static IFunction ACOS(String x)

ACOS

public static IFunction ACOS(IFunction x)

ASIN

public static IFunction ASIN(String x)

ASIN

public static IFunction ASIN(IFunction x)

ATAN

public static IFunction ATAN(String x)

ATAN

public static IFunction ATAN(IFunction x)

ATAN

public static IFunction ATAN(String y,
                             String x)

ATAN

public static IFunction ATAN(IFunction y,
                             IFunction x)

CEILING

public static IFunction CEILING(String x)

CONV

public static IFunction CONV(String x,
                             int fromBase,
                             int toBase)

COS

public static IFunction COS(String x)

COT

public static IFunction COT(String x)

CRC32

public static IFunction CRC32(String expr)

DEGREES

public static IFunction DEGREES(String x)

EXP

public static IFunction EXP(String x)

FLOOR

public static IFunction FLOOR(String x)

LN
```
public static IFunction LN(String x)
```

LOG

public static IFunction LOG(String x)

LOG

public static IFunction LOG(String b,
                            String x)

LOG10

public static IFunction LOG10(String x)

LOG2

public static IFunction LOG2(String x)

MOD

public static IFunction MOD(String n,
                            String m)

PI
```
public static IFunction PI()
```

POW

public static IFunction POW(String y,
                            String x)

POWER

public static IFunction POWER(String y,
                              String x)

RADIANS

public static IFunction RADIANS(String x)

RAND
```
public static IFunction RAND()
```

RAND

public static IFunction RAND(String n)

ROUND

public static IFunction ROUND(String x)

ROUND

public static IFunction ROUND(String x,
                              Number d)

SIGN

public static IFunction SIGN(String n)

SIN

public static IFunction SIN(String x)

SQRT

public static IFunction SQRT(String x)

TAN

public static IFunction TAN(String x)

TRUNCATE

public static IFunction TRUNCATE(String x)

TRUNCATE

public static IFunction TRUNCATE(String x,
                                 Number d)

ASCII

public static IFunction ASCII(String str)

BIN

public static IFunction BIN(String str)

BIT_LENGTH

public static IFunction BIT_LENGTH(String str)

CHAR

public static IFunction CHAR(String... n)

CHAR_LENGTH

public static IFunction CHAR_LENGTH(String str)

CHARACTER_LENGTH

public static IFunction CHARACTER_LENGTH(String str)

CONCAT

public static IFunction CONCAT(String... n)

CONCAT_WS

public static IFunction CONCAT_WS(String separator,
                                  String... n)

ELT

public static IFunction ELT(String n,
                            String... strs)

FIELD

public static IFunction FIELD(String str,
                              String... n)

FIND_IN_SET

public static IFunction FIND_IN_SET(String x,
                                    String strlist)

FORMAT

public static IFunction FORMAT(String x,
                               Number d)

FORMAT

public static IFunction FORMAT(String x,
                               Number d,
                               String locale)

HEX

public static IFunction HEX(String str)

FORM_BASE64

public static IFunction FORM_BASE64(String str)

TO_BASE64

public static IFunction TO_BASE64(String str)

INSERT

public static IFunction INSERT(String str,
                               Number pos,
                               Number len,
                               String newstr)

INSTR

public static IFunction INSTR(String str,
                              String substr)

LEFT

public static IFunction LEFT(String str,
                             Number len)

LENGTH

public static IFunction LENGTH(String str)

LOAD_FILE

public static IFunction LOAD_FILE(String str)

LOCATE

public static IFunction LOCATE(String substr,
                               String str)

LOCATE

public static IFunction LOCATE(String substr,
                               String str,
                               String pos)

LOWER

public static IFunction LOWER(String str)

LPAD

public static IFunction LPAD(String str,
                             String len,
                             String padstr)

LTRIM

public static IFunction LTRIM(String str)

OCT

public static IFunction OCT(String str)

ORD

public static IFunction ORD(String str)

QUOTE

public static IFunction QUOTE(String str)

REPEAT

public static IFunction REPEAT(String str,
                               Number count)

REPLACE

public static IFunction REPLACE(String str,
                                String fromStr,
                                String toStr)

REVERSE

public static IFunction REVERSE(String str)

RIGHT

public static IFunction RIGHT(String str,
                              Number len)

RPAD

public static IFunction RPAD(String str,
                             Number len,
                             String padstr)

RTRIM

public static IFunction RTRIM(String str)

SOUNDEX

public static IFunction SOUNDEX(String str)

SPACE

public static IFunction SPACE(Number n)

STRCMP

public static IFunction STRCMP(String expr1,
                               String expr2)

SUBSTRING

public static IFunction SUBSTRING(String str,
                                  Number pos)

SUBSTRING

public static IFunction SUBSTRING(String str,
                                  Number pos,
                                  Number len)

SUBSTRING_INDEX

public static IFunction SUBSTRING_INDEX(String str,
                                        String delim,
                                        Number count)

TRIM

public static IFunction TRIM(String str)

TRIM_BOTH

public static IFunction TRIM_BOTH(String remstr,
                                  String str)

TRIM_LEADIN

public static IFunction TRIM_LEADIN(String remstr,
                                    String str)

TRIM_TRAILING

public static IFunction TRIM_TRAILING(String remstr,
                                      String str)

UNHEX

public static IFunction UNHEX(String str)

UPPER

public static IFunction UPPER(String str)

ADDDATE

public static IFunction ADDDATE(String expr,
                                Number days)

ADDTIME

public static IFunction ADDTIME(String expr,
                                String expr2)

CONVERT_TZ

public static IFunction CONVERT_TZ(String dt,
                                   String fromTz,
                                   String toTz)

CURDATE
```
public static IFunction CURDATE()
```

CURTIME
```
public static IFunction CURTIME()
```

DATE

public static IFunction DATE(String expr)

DATE_FORMAT

public static IFunction DATE_FORMAT(String date,
                                    String format)

DATEDIFF

public static IFunction DATEDIFF(String expr,
                                 String expr2)

DAYNAME

public static IFunction DAYNAME(String date)

DAYOFMONTH

public static IFunction DAYOFMONTH(String date)

DAYOFWEEK

public static IFunction DAYOFWEEK(String date)

DAYOFYEAR

public static IFunction DAYOFYEAR(String date)

FROM_UNIXTIME

public static IFunction FROM_UNIXTIME(String timestamp)

UNIX_TIMESTAMP

public static IFunction UNIX_TIMESTAMP()

UNIX_TIMESTAMP

public static IFunction UNIX_TIMESTAMP(String date)

GET_FORMAT

public static IFunction GET_FORMAT(String date,
                                   String type)

HOUR

public static IFunction HOUR(String time)

LAST_DAY

public static IFunction LAST_DAY(String date)

MAKEDATE

public static IFunction MAKEDATE(String year,
                                 String dayOfYear)

MAKETIME

public static IFunction MAKETIME(String hour,
                                 String minute,
                                 String second)

MICROSECOND

public static IFunction MICROSECOND(String expr)

MINUTE

public static IFunction MINUTE(String time)

MONTH

public static IFunction MONTH(String date)

MONTHNAME

public static IFunction MONTHNAME(String date)

NOW
```
public static IFunction NOW()
```

PERIOD_ADD

public static IFunction PERIOD_ADD(String p,
                                   String n)

PERIOD_DIFF

public static IFunction PERIOD_DIFF(String p1,
                                    String p2)

QUARTER

public static IFunction QUARTER(String date)

SEC_TO_TIME

public static IFunction SEC_TO_TIME(String seconds)

SECOND

public static IFunction SECOND(String date)

STR_TO_DATE

public static IFunction STR_TO_DATE(String str,
                                    String format)

SYSDATE
```
public static IFunction SYSDATE()
```

TIME

public static IFunction TIME(String expr)

TIME_FORMAT

public static IFunction TIME_FORMAT(String time,
                                    String format)

TIME_TO_SEC

public static IFunction TIME_TO_SEC(String time)

TIMEDIFF

public static IFunction TIMEDIFF(String expr,
                                 String expr2)

TIMESTAMP

public static IFunction TIMESTAMP(String expr)

TIMESTAMP

public static IFunction TIMESTAMP(String expr,
                                  String expr2)

TIMESTAMPDIFF

public static IFunction TIMESTAMPDIFF(String interval,
                                      String datetimeExpr1,
                                      String datetimeExpr2)

TO_DAYS

public static IFunction TO_DAYS(String date)

UTC_DATE
```
public static IFunction UTC_DATE()
```

UTC_TIME
```
public static IFunction UTC_TIME()
```

UTC_TIMESTAMP

public static IFunction UTC_TIMESTAMP()

WEEK

public static IFunction WEEK(String date)

WEEK

public static IFunction WEEK(String date,
                             Number mode)

WEEKDAY

public static IFunction WEEKDAY(String date)

WEEKOFYEAR

public static IFunction WEEKOFYEAR(String date)

YEAR

public static IFunction YEAR(String date)

YEARWEEK

public static IFunction YEARWEEK(String date)

YEARWEEK

public static IFunction YEARWEEK(String date,
                                 String start)

AVG

public static IFunction AVG(String expr)

AVG

public static IFunction AVG(String expr,
                            boolean distinct)

BIT_AND

public static IFunction BIT_AND(String expr)

BIT_OR

public static IFunction BIT_OR(String expr)

BIT_XOR

public static IFunction BIT_XOR(String expr)

COUNT

public static IFunction COUNT(String expr)

COUNT

public static IFunction COUNT(String expr,
                              boolean distinct)

GROUP_CONCAT

public static IFunction GROUP_CONCAT(String expr)

WM_CONCAT

public static IFunction WM_CONCAT(String expr)

MAX

public static IFunction MAX(String expr)

MIN

public static IFunction MIN(String expr)

SUM

public static IFunction SUM(String expr)

类 Func

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

Func

方法详细资料

create

create

ABS

ABS

ACOS

ACOS

ASIN

ASIN

ATAN

ATAN

ATAN

ATAN

CEILING

CONV

COS

COT

CRC32

DEGREES

EXP

FLOOR

LN

LOG

LOG

LOG10

LOG2

MOD

PI

POW

POWER

RADIANS

RAND

RAND

ROUND

ROUND

SIGN

SIN

SQRT

TAN

TRUNCATE

TRUNCATE

ASCII

BIN

BIT_LENGTH

CHAR

CHAR_LENGTH

CHARACTER_LENGTH

CONCAT

CONCAT_WS

ELT

FIELD

FIND_IN_SET

FORMAT

FORMAT

HEX

FORM_BASE64

TO_BASE64

INSERT

INSTR

LEFT

LENGTH

LOAD_FILE

LOCATE

LOCATE

LOWER

LPAD

LTRIM

OCT

ORD

QUOTE

REPEAT

REPLACE

REVERSE

RIGHT