db.sql.api.impl.cmd.dbFun

接口 Function<T>

所有超级接口:

Cmd

所有已知实现类:

Abs, Acos, Asin, Atan, Avg, BasicFunction, Case, Ceil, CharLength, Concat, ConcatAs, Cos, Cot, Count, Count1, CountAll, CurrentDate, CurrentDateTime, CurrentTime, DateAdd, DateDiff, DateFormat, Day, Degrees, Divide, Exp, Field, FindInSet, Floor, FromUnixTime, Hour, If, IfNull, InetAton, InetNtoa, Instr, JsonContains, JsonContainsPath, JsonExtract, JsonQuote, Left, Length, Log, Log10, Log2, Lower, Lpad, Ltrim, Max, Md5, Min, Mod, Month, Multiply, Pi, Plus, Pow, Radians, Rand, Repeat, Replace, Reverse, Right, Round, Rpad, Rtrim, Sign, Sin, Sqrt, Strcmp, SubStr, Subtract, Sum, Tan, Trim, Truncate, UnixTimestamp, Upper, Weekday, Year

public interface Function<T>
extends Cmd

方法概要

限定符和类型	方法和说明
default void	appendAlias(Cmd module, Cmd user, SqlBuilderContext context, StringBuilder sqlBuilder) 拼接别名
default <T2> T	as(Getter<T2> aliasGetter)
T	as(String alias)
StringBuilder	functionSql(Cmd module, Cmd parent, SqlBuilderContext context, StringBuilder sqlBuilder) 函数的sql
String	getAlias()
default StringBuilder	sql(Cmd module, Cmd parent, SqlBuilderContext context, StringBuilder sqlBuilder)

从接口继承的方法 db.sql.api.Cmd

contain

方法详细资料

getAlias

String getAlias()

as

T as(String alias)

as

default <T2> T as(Getter<T2> aliasGetter)

appendAlias

default void appendAlias(Cmd module,
                         Cmd user,
                         SqlBuilderContext context,
                         StringBuilder sqlBuilder)

拼接别名

参数:

module -

user -

context -

sqlBuilder -

functionSql

StringBuilder functionSql(Cmd module,
                          Cmd parent,
                          SqlBuilderContext context,
                          StringBuilder sqlBuilder)

函数的sql

参数:

module -

parent -

context -

sqlBuilder -

返回:

sql

default StringBuilder sql(Cmd module,
                          Cmd parent,
                          SqlBuilderContext context,
                          StringBuilder sqlBuilder)

指定者:

sql 在接口中 Cmd