com.github.braisdom.objsql.sql.function

类 MySQLFunctions

java.lang.Object

com.github.braisdom.objsql.sql.function.MySQLFunctions

public class MySQLFunctions
extends Object

构造器概要

构造器

构造器和说明
MySQLFunctions()

方法概要

限定符和类型	方法和说明
static Expression	concatWs(String delimiter, Expression... expressions)
static Expression	crc32(String str)
static Expression	date(Expression expression)
static Expression	date(String dataString)
static Expression	dateAdd(Expression expression, int day)
static Expression	dateAdd(String dataString, int day)
static Expression	dateDiff(Expression expression, Expression expression1)
static Expression	dateDiff(Expression expression, String dataString)
static Expression	dateDiff(String dataString, Expression expression)
static Expression	dateDiff(String dateString1, String dateString2)
static Expression	dateSub(Expression expression, int day)
static Expression	dateSub(String dataString, int day)
static Expression	dayOfMonth(Expression expression)
static Expression	dayOfMonth(String str)
static Expression	dayOfWeek(Expression expression)
static Expression	dayOfWeek(String str)
static Expression	dayOfYear(Expression expression)
static Expression	dayOfYear(String str)
static Expression	extract(String unit, Expression expression) The unit see: https://dev.mysql.com/doc/refman/8.0/en/expressions.html#temporal-intervals
static Expression	extractDay(Expression expression)
static Expression	extractDayHour(Expression expression)
static Expression	extractHour(Expression expression)
static Expression	extractWeek(Expression expression)
static Expression	extractYear(Expression expression)
static Expression	extractYearMonth(Expression expression)
static Expression	format(Expression expression, int num)
static Expression	format(float floatNum, int num)
static Expression	fromBase64(Expression expression)
static Expression	fromBase64(String str)
static Expression	fromUnixtime(Expression expression)
static Expression	fromUnixtime(Long unixtime)
static Expression	hex(Expression expression)
static Expression	hex(String str)
static Expression	lastDay(Expression expression) Return the last day of the month for the argument
static Expression	lastDay(String dataString) Return the last day of the month for the argument
static Expression	md5(Expression expression)
static Expression	md5(String literal)
static Expression	pow(Expression expression)
static Expression	rand()
static Expression	rand(Integer seed)
static Expression	regexpLike(Expression expression, String regexp)
static Expression	sha(Expression expression)
static Expression	sha(String literal)
static Expression	sha1(Expression expression)
static Expression	sha1(String literal)
static Expression	strToDate(Expression expression, String format)
static Expression	strToDate(String str, String format)
static Expression	subDate(Expression expression, int day)
static Expression	subDate(String dataString, int day)
static Expression	toBase64(Expression expression)
static Expression	toBase64(String str)
static Expression	toDate(String str)
static Expression	toDateTime(String str)
static Expression	truncate(Expression expression, Integer decimalPlaces)
static Expression	truncate(Float number, Integer decimalPlaces)
static Expression	truncate(Integer number, Integer decimalPlaces)
static Expression	unhex(Expression expression)
static Expression	unhex(String str)
static Expression	uuid()
static Expression	uuidShort()

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

MySQLFunctions

public MySQLFunctions()

方法详细资料

pow

public static final Expression pow(Expression expression)

dateAdd

public static final Expression dateAdd(Expression expression,
                                       int day)

dateAdd

public static final Expression dateAdd(String dataString,
                                       int day)

dateSub

public static final Expression dateSub(Expression expression,
                                       int day)

dateSub

public static final Expression dateSub(String dataString,
                                       int day)

subDate

public static final Expression subDate(Expression expression,
                                       int day)

subDate

public static final Expression subDate(String dataString,
                                       int day)

date

public static final Expression date(Expression expression)

date

public static final Expression date(String dataString)

dateDiff

public static final Expression dateDiff(Expression expression,
                                        Expression expression1)

dateDiff

public static final Expression dateDiff(String dataString,
                                        Expression expression)

dateDiff

public static final Expression dateDiff(Expression expression,
                                        String dataString)

dateDiff

public static final Expression dateDiff(String dateString1,
                                        String dateString2)

lastDay

public static final Expression lastDay(Expression expression)

Return the last day of the month for the argument

参数:

expression - a column or an expression

返回:

the last day of the month

lastDay

public static final Expression lastDay(String dataString)

Return the last day of the month for the argument

参数:

dataString - for example, '2020-09-3'

返回:

the last day of the month

md5

public static final Expression md5(Expression expression)

md5

public static final Expression md5(String literal)

concatWs

public static final Expression concatWs(String delimiter,
                                        Expression... expressions)
                                 throws SQLSyntaxException

抛出:

SQLSyntaxException

sha

public static final Expression sha(Expression expression)

sha

public static final Expression sha(String literal)

sha1

public static final Expression sha1(Expression expression)

sha1

public static final Expression sha1(String literal)

format

public static final Expression format(Expression expression,
                                      int num)

format

public static final Expression format(float floatNum,
                                      int num)

toBase64

public static final Expression toBase64(Expression expression)

toBase64

public static final Expression toBase64(String str)

fromBase64

public static final Expression fromBase64(Expression expression)

fromBase64

public static final Expression fromBase64(String str)

hex

public static final Expression hex(Expression expression)

hex

public static final Expression hex(String str)

unhex

public static final Expression unhex(Expression expression)

unhex

public static final Expression unhex(String str)

crc32

public static final Expression crc32(String str)

uuid

public static final Expression uuid()

uuidShort

public static final Expression uuidShort()

rand

public static final Expression rand()

rand

public static final Expression rand(Integer seed)

truncate

public static final Expression truncate(Float number,
                                        Integer decimalPlaces)

truncate

public static final Expression truncate(Integer number,
                                        Integer decimalPlaces)

truncate

public static final Expression truncate(Expression expression,
                                        Integer decimalPlaces)

toDate

public static final Expression toDate(String str)

toDateTime

public static final Expression toDateTime(String str)

fromUnixtime

public static final Expression fromUnixtime(Long unixtime)

fromUnixtime

public static final Expression fromUnixtime(Expression expression)

strToDate

public static final Expression strToDate(String str,
                                         String format)

strToDate

public static final Expression strToDate(Expression expression,
                                         String format)

dayOfYear

public static final Expression dayOfYear(String str)

dayOfMonth

public static final Expression dayOfMonth(String str)

dayOfWeek

public static final Expression dayOfWeek(String str)

dayOfYear

public static final Expression dayOfYear(Expression expression)

dayOfMonth

public static final Expression dayOfMonth(Expression expression)

dayOfWeek

public static final Expression dayOfWeek(Expression expression)

regexpLike

public static final Expression regexpLike(Expression expression,
                                          String regexp)

extractDay

public static final Expression extractDay(Expression expression)

extractDayHour

public static final Expression extractDayHour(Expression expression)

extractHour

public static final Expression extractHour(Expression expression)

extractWeek

public static final Expression extractWeek(Expression expression)

extractYearMonth

public static final Expression extractYearMonth(Expression expression)

extractYear

public static final Expression extractYear(Expression expression)

extract

public static final Expression extract(String unit,
                                       Expression expression)

The unit see: https://dev.mysql.com/doc/refman/8.0/en/expressions.html#temporal-intervals

参数:

unit -

expression -

返回: