cn.featherfly.common.db

类 SqlUtils

java.lang.Object

cn.featherfly.common.db.SqlUtils

public final class SqlUtils
extends java.lang.Object

Sql的相关工具类

.

字段概要

字段

限定符和类型	字段和说明
static char	PARAM_NAME_START_SYMBOL The Constant PARAM_NAME_START_SYMBOL.

方法概要

限定符和类型	方法和说明
static cn.featherfly.common.repository.Execution	convertNamedParamSql(java.lang.String namedParamSql, java.util.Map<java.lang.String,java.lang.Object> params) convert named param sql with PARAM_NAME_START_SYMBOL.
static cn.featherfly.common.repository.Execution	convertNamedParamSql(java.lang.String namedParamSql, java.util.Map<java.lang.String,java.lang.Object> params, char startSymbol) convert named param sql.
static cn.featherfly.common.repository.Execution	convertNamedParamSql(java.lang.String namedParamSql, java.util.Map<java.lang.String,java.lang.Object> params, char startSymbol, java.lang.Character endSymbol) convert named param sql.
static java.lang.String	convertSelectToCount(java.lang.String sql) 转换查询sql为统计sql .
static java.lang.String	transferStringForSql(java.lang.String str) 将字符串转义.会将\ ' "转义为\\ \' \"

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

PARAM_NAME_START_SYMBOL

public static final char PARAM_NAME_START_SYMBOL

The Constant PARAM_NAME_START_SYMBOL.

另请参阅:

常量字段值

方法详细资料

convertSelectToCount

public static java.lang.String convertSelectToCount(java.lang.String sql)

转换查询sql为统计sql

.

参数:

sql - sql

返回:

统计sql

transferStringForSql

public static java.lang.String transferStringForSql(java.lang.String str)

将字符串转义.会将\ ' "转义为\\ \' \"

参数:

str - str

返回:

转义后的字符串

convertNamedParamSql

public static cn.featherfly.common.repository.Execution convertNamedParamSql(java.lang.String namedParamSql,
                                                                             java.util.Map<java.lang.String,java.lang.Object> params)

convert named param sql with PARAM_NAME_START_SYMBOL.

transfer select * from user where name = :user to select * from user where name = ?

参数:

namedParamSql - the named param sql

params - the params

返回:

the execution

convertNamedParamSql

public static cn.featherfly.common.repository.Execution convertNamedParamSql(java.lang.String namedParamSql,
                                                                             java.util.Map<java.lang.String,java.lang.Object> params,
                                                                             char startSymbol)

convert named param sql.

参数:

namedParamSql - the named param sql

params - the params

startSymbol - the start symbol

返回:

the execution

convertNamedParamSql

public static cn.featherfly.common.repository.Execution convertNamedParamSql(java.lang.String namedParamSql,
                                                                             java.util.Map<java.lang.String,java.lang.Object> params,
                                                                             char startSymbol,
                                                                             java.lang.Character endSymbol)

convert named param sql.

参数:

namedParamSql - the named param sql

params - the params

startSymbol - the start symbol

endSymbol - the end symbol

返回:

the execution