io.seata.rm.datasource

类 SqlGenerateUtils

java.lang.Object

io.seata.rm.datasource.SqlGenerateUtils

public class SqlGenerateUtils
extends Object

generate sql and set value to sql

方法概要

限定符和类型	方法和说明
static String	buildWhereConditionByPKs(List<String> pkNameList, int rowSize, String dbType)
static String	buildWhereConditionByPKs(List<String> pkNameList, int rowSize, String dbType, int maxInSize) each pk is a condition.the result will like :" (id,userCode) in ((?
static String	buildWhereConditionByPKs(List<String> pkNameList, String dbType) each pk is a condition.the result will like :" id =?
static void	setParamForPk(List<Map<String,Field>> pkRowsList, List<String> pkColumnNameList, PreparedStatement pst) set parameter for PreparedStatement, this is only used in pk sql.

从类继承的方法 java.lang.Object

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

方法详细资料

buildWhereConditionByPKs

public static String buildWhereConditionByPKs(List<String> pkNameList,
                                              int rowSize,
                                              String dbType)
                                       throws SQLException

抛出:

SQLException

buildWhereConditionByPKs

public static String buildWhereConditionByPKs(List<String> pkNameList,
                                              int rowSize,
                                              String dbType,
                                              int maxInSize)
                                       throws SQLException

each pk is a condition.the result will like :" (id,userCode) in ((?,?),(?,?)) or (id,userCode) in ((?,?),(?,?) ) or (id,userCode) in ((?,?))" Build where condition by pks string.

参数:

pkNameList - pk column name list

rowSize - the row size of records

dbType - the type of database

maxInSize - the max in size

返回:

return where condition sql string.the sql can search all related records not just one.

抛出:

SQLException - the sql exception

setParamForPk

public static void setParamForPk(List<Map<String,Field>> pkRowsList,
                                 List<String> pkColumnNameList,
                                 PreparedStatement pst)
                          throws SQLException

set parameter for PreparedStatement, this is only used in pk sql.

参数:

pkRowsList - pkRowsList

pkColumnNameList - pkColumnNameList

pst - preparedStatement

抛出:

SQLException - SQLException

buildWhereConditionByPKs

public static String buildWhereConditionByPKs(List<String> pkNameList,
                                              String dbType)

each pk is a condition.the result will like :" id =? and userCode =?"

参数:

pkNameList - pkNameList

dbType - dbType

返回:

return where condition sql string.the sql can just search one related record.