db.sql.api.impl.cmd.dbFun

接口 Function<T>

所有超级接口:

Alias<T>, Cmd

所有已知实现类:

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

public interface Function<T>
extends Cmd, Alias<T>

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

从接口继承的方法 db.sql.api.Cmd

contain

从接口继承的方法 db.sql.api.cmd.basic.Alias

as, getAlias

方法详细资料

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 - 所属模块

parent - 引用对象 - 父节点

context - sql 上下文

sqlBuilder - sql 拼接对象

返回:

sql

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

指定者:

sql 在接口中 Cmd