本文整理汇总了Scala中java.sql.Statement类的典型用法代码示例。如果您正苦于以下问题:Scala Statement类的具体用法?Scala Statement怎么用?Scala Statement使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Statement类的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Scala代码示例。
示例1: DBAccessWorker
//设置package包名称以及导入依赖的类
package domain
import java.sql.{Connection, ResultSet, Statement}
import scala.collection.immutable.IndexedSeq
case class DBAccessWorker(connection: Connection, sql: String) {
private def execute(execSql: String) = {
val stmt: Statement = connection.createStatement
val rs: ResultSet = stmt.executeQuery(execSql)
val columnCnt: Int = rs.getMetaData.getColumnCount
val columns: IndexedSeq[String] = 1 to columnCnt map rs.getMetaData.getColumnName
val results: Iterator[IndexedSeq[String]] = Iterator.continually(rs).takeWhile(_.next()).map{ rs =>
columns map rs.getString
}
(columns, results)
}
def execute(): SqlResults = {
val (d1, d2) = execute(sql)
SqlResults(d1, d2)
}
def executeStatistics(): Statistics = {
val (d1, d2) = execute(s"EXPLAIN $sql")
Statistics(d1, d2)
}
}
case class SqlResults(columns: IndexedSeq[String], results: Iterator[IndexedSeq[String]])
case class Statistics(columns: IndexedSeq[String], results: Iterator[IndexedSeq[String]])
开发者ID:miya5n,项目名称:miyalikejdbc,代码行数:36,代码来源:DBAccessWorker.scala
示例2: DBUtil
//设置package包名称以及导入依赖的类
package us.illyohs.bansdb.util
import javax.sql.DataSource
import java.sql.Connection
import java.sql.SQLException
import java.sql.Statement
import java.util.UUID
import org.spongepowered.api.Sponge
import org.spongepowered.api.service.sql.SqlService
import us.illyohs.bansdb.util.ConfigUtil._
object DBUtil {
private var sqlServ: SqlService = null
private var ds: DataSource = null
def execute(execute: String): Unit = {
sqlServ = Sponge.getServiceManager.provide(classOf[SqlService]).get()
val URL: String = "jdbc:mysql://" + getURL + ":" + getPort + "/" + "?user=" + getUsername + "&password=" + getPass
try {
ds = sqlServ.getDataSource(URL)
val connection: Connection = ds.getConnection
val statement: Statement = connection.createStatement
statement.execute(execute)
statement.close
connection.close
}
catch {
case e: SQLException => e.printStackTrace
}
}
def init: Unit = {
execute("CREATE TABLE IF NOT EXISTS WARN_DB (warnee TEXT, sender TEXT, warnings SMALLINT, reason TEXT)")
execute("CREATE TABLE IF NOT EXISTS BAN_DB (banee TEXT, sender TEXT, reason)")
}
def getWarning: Int = {
null
}
def isPlayerBanned(uUID: UUID): Boolean = {
return false
}
def isPlayerMuted(): Boolean = {
return false
}
}
开发者ID:DragonTechMC,项目名称:BansDB,代码行数:52,代码来源:DBUtil.scala
示例3: Helpers
//设置package包名称以及导入依赖的类
package mon4all.db
import java.sql.{Connection, ResultSet, SQLException, Statement}
object Helpers {
def getCurrentTimeStamp = {
val today = new java.util.Date()
new java.sql.Timestamp(today.getTime())
}
def printSQLException(e: SQLException) {
val msg: String =
"SQL State: " + e.getSQLState + "\n" +
"Message: " + e.getMessage + "\n\n"
println(msg)
}
def executeSQL(sql: String, stmt: Statement, ignore: Set[String] = Set()) {
try stmt.execute(sql)
catch {
case e: SQLException =>
if(ignore(e.getSQLState())) println("SQLException ignored")
else printSQLException(e)
}
}
def createTables(sql: String*)(implicit conn: Connection) {
sql foreach(s => executeSQL(s, conn.createStatement, Set("X0Y32")))
}
def dropTables(tables: String*)(implicit conn: Connection) {
tables foreach(table => executeSQL("DROP TABLE " + table, conn.createStatement))
}
trait ResultSetToList {
def toList[T](retrieve: ResultSet => T): List[T]
}
implicit def wrapResultSet(rs: ResultSet) = new ResultSetToList {
def toList[T](retrieve: ResultSet => T): List[T] =
new Iterator[T] {
def hasNext = rs.next()
def next() = retrieve(rs)
}
.toList
}
}
开发者ID:dansuzuki,项目名称:mon4all,代码行数:51,代码来源:Helpers.scala
示例4: UserQuery
//设置package包名称以及导入依赖的类
package database
import models.{Types, User}
import java.sql.{Connection, PreparedStatement, ResultSet, SQLException, Statement}
object UserQuery {
def create(
connection : Connection,
main_email : String,
password : String,
firstname : String,
lastname : String,
avatar : String
) : Types.userid = {
val statement : PreparedStatement =
connection.prepareStatement(
"INSERT INTO users.user (" +
"main_email, " +
"password, " +
"firstname, " +
"lastname, " +
"avatar) " +
"VALUES(?, ?, ?, ?, ?)",
Statement.RETURN_GENERATED_KEYS
)
statement.setString(0, main_email)
statement.setString(1, password)
statement.setString(2, firstname)
statement.setString(3, lastname)
statement.setString(4, avatar)
val generatedKeys : ResultSet = statement.getGeneratedKeys()
if (generatedKeys.next()) {
generatedKeys.getLong(1)
}
else {
throw new SQLException("Adding ad failed. No ID obtained.")
}
}
}
开发者ID:dannywillems,项目名称:scala-micro-service-user,代码行数:43,代码来源:UserQuery.scala
示例5: Session
//设置package包名称以及导入依赖的类
package com.boost.bigdata.utils.db
import java.sql.Connection
import java.sql.ResultSet
import java.sql.SQLException
import java.sql.Statement
import com.boost.bigdata.utils.log.LogSupport
class Session(connection: Connection) extends LogSupport{
private var conn: Connection = connection
private var stmt: Statement = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE)
def executeQuery(sql: String): ResultSet = {
var rs: ResultSet = null
try {
if (stmt != null) {
rs = stmt.executeQuery(sql)
}
}
catch {
case e: SQLException => {
log.warn(e.getMessage)
}
}
rs
}
def executeUpdate(sql: String): Boolean = {
var ret: Boolean = false
try {
if (stmt != null) {
stmt.executeUpdate(sql)
ret = true
}
}
catch {
case e: SQLException => {
log.warn(e.getMessage)
}
}
ret
}
def disconnect {
MySql.closeStatement(stmt)
stmt = null
MySql.closeConnection(conn)
conn = null
}
}
object Session{
def apply(con: Connection) = new Session(con)
}
开发者ID:steven-prgm,项目名称:bigdata-scala,代码行数:56,代码来源:Session.scala
注:本文中的java.sql.Statement类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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