如何在Grails2.4.X中获得自定义数据源引用?
我需要从Grails2.4.5中的自定义查找数据源查询SQL。我不能使用投影,因为SQL太复杂了 文档中没有提供关于此案例的任何解释 我无法在此查找数据库中创建视图或类似结构 My DataSource.groovy如下所示:如何在Grails2.4.X中获得自定义数据源引用?,grails,groovy,datasource,gorm,Grails,Groovy,Datasource,Gorm,我需要从Grails2.4.5中的自定义查找数据源查询SQL。我不能使用投影,因为SQL太复杂了 文档中没有提供关于此案例的任何解释 我无法在此查找数据库中创建视图或类似结构 My DataSource.groovy如下所示: development { dataSource { dbCreate = "none" driverClassName = "oracle.jdbc.OracleDriver" url = "jdbc:oracle
development {
dataSource {
dbCreate = "none"
driverClassName = "oracle.jdbc.OracleDriver"
url = "jdbc:oracle:thin:@//XXXXXXX:1521/main-server"
}
lookup {
dbCreate = "none"
driverClassName = "oracle.jdbc.OracleDriver"
url = "jdbc:oracle:thin:@//XXXXXXX:1521/lookup-server"
}
}
我执行查询的服务类如下
class MyService {
def dataSource
def index() {
// How can I define lookup datasource?
def sql = new Sql(dataSource.lookup)
def results = sql.rows("SELECT 1 from DUAL");
}
}
你很接近。您需要按名称插入数据源,因此您实际上需要的不是
Datasource
,而是lookup
。在本例中,我将您的lookup
数据源重命名为dataSource\u lookup
,因此更清晰
development {
dataSource {
dbCreate = "none"
driverClassName = "oracle.jdbc.OracleDriver"
url = "jdbc:oracle:thin:@//XXXXXXX:1521/main-server"
}
dataSource_lookup {
dbCreate = "none"
driverClassName = "oracle.jdbc.OracleDriver"
url = "jdbc:oracle:thin:@//XXXXXXX:1521/lookup-server"
}
}
class MyService {
def dataSource_lookup
def index() {
// How can I define lookup datasource?
def sql = new Sql(dataSource_lookup)
def results = sql.rows("SELECT 1 from DUAL");
}
}
你很接近。您需要按名称插入数据源,因此您实际上需要的不是
Datasource
,而是lookup
。在本例中,我将您的lookup
数据源重命名为dataSource\u lookup
,因此更清晰
development {
dataSource {
dbCreate = "none"
driverClassName = "oracle.jdbc.OracleDriver"
url = "jdbc:oracle:thin:@//XXXXXXX:1521/main-server"
}
dataSource_lookup {
dbCreate = "none"
driverClassName = "oracle.jdbc.OracleDriver"
url = "jdbc:oracle:thin:@//XXXXXXX:1521/lookup-server"
}
}
class MyService {
def dataSource_lookup
def index() {
// How can I define lookup datasource?
def sql = new Sql(dataSource_lookup)
def results = sql.rows("SELECT 1 from DUAL");
}
}