query_sql.po

hibernate-distribution-3.3.1.GA-dist.zip源码

msgstr ""

#. Tag: para
#: query_sql.xml:329
#, no-c-format
msgid "a result transformer"
msgstr "结果转换器(result transformer)"

#. Tag: para
#: query_sql.xml:333
#, no-c-format
msgid ""
"The above query will return a list of <literal>CatDTO</literal> which has "
"been instantiated and injected the values of NAME and BIRTHNAME into its "
"corresponding properties or fields."
msgstr ""
"上面的查询将会返回<literal>CatDTO</literal>的列表,它将被实例化并且将NAME和"
"BIRTHDAY的值注射入对应的属性或者字段。"

#. Tag: title
#: query_sql.xml:340
#, no-c-format
msgid "Handling inheritance"
msgstr "处理继承（Handling inheritance）"

#. Tag: para
#: query_sql.xml:342
#, no-c-format
msgid ""
"Native sql queries which query for entities that is mapped as part of an "
"inheritance must include all properties for the baseclass and all it "
"subclasses."
msgstr ""
"原生SQL查询假若其查询结果实体是继承树中的一部分，它必须包含基类和所有子类的所"
"有属性。"

#. Tag: title
#: query_sql.xml:348
#, no-c-format
msgid "Parameters"
msgstr "参数（Parameters）"

#. Tag: para
#: query_sql.xml:350
#, no-c-format
msgid "Native sql queries support positional as well as named parameters:"
msgstr "原生查询支持位置参数和命名参数："

#. Tag: programlisting
#: query_sql.xml:353
#, no-c-format
msgid ""
"<![CDATA[Query query = sess.createSQLQuery(\"SELECT * FROM CATS WHERE NAME "
"like ?\").addEntity(Cat.class);\n"
"List pusList = query.setString(0, \"Pus%\").list();\n"
"     \n"
"query = sess.createSQLQuery(\"SELECT * FROM CATS WHERE NAME like :name\")."
"addEntity(Cat.class);\n"
"List pusList = query.setString(\"name\", \"Pus%\").list();          ]]>"
msgstr ""

#. Tag: title
#: query_sql.xml:361
#, no-c-format
msgid "Named SQL queries"
msgstr "命名SQL查询"

#. Tag: para
#: query_sql.xml:363
#, no-c-format
msgid ""
"Named SQL queries may be defined in the mapping document and called in "
"exactly the same way as a named HQL query. In this case, we do "
"<emphasis>not</emphasis> need to call <literal>addEntity()</literal>."
msgstr ""
"可以在映射文档中定义查询的名字,然后就可以象调用一个命名的HQL查询一样直接调用"
"命名SQL查询.在这种情况下,我们<emphasis>不</emphasis> 需要调用"
"<literal>addEntity()</literal>方法."

#. Tag: programlisting
#: query_sql.xml:368
#, no-c-format
msgid ""
"<![CDATA[<sql-query name=\"persons\">\n"
"    <return alias=\"person\" class=\"eg.Person\"/>\n"
"    SELECT person.NAME AS {person.name},\n"
"           person.AGE AS {person.age},\n"
"           person.SEX AS {person.sex}\n"
"    FROM PERSON person\n"
"    WHERE person.NAME LIKE :namePattern\n"
"</sql-query>]]>"
msgstr ""

#. Tag: programlisting
#: query_sql.xml:370
#, no-c-format
msgid ""
"<![CDATA[List people = sess.getNamedQuery(\"persons\")\n"
"    .setString(\"namePattern\", namePattern)\n"
"    .setMaxResults(50)\n"
"    .list();]]>"
msgstr ""

#. Tag: para
#: query_sql.xml:372
#, no-c-format
msgid ""
"The <literal>&lt;return-join&gt;</literal> and <literal>&lt;load-"
"collection&gt;</literal> elements are used to join associations and define "
"queries which initialize collections, respectively."
msgstr ""
"<literal>&lt;return-join&gt;</literal>和 <literal>&lt;load-collection&gt;</"
"literal> 元素是用来连接关联以及将查询定义为预先初始化各个集合的。"

#. Tag: programlisting
#: query_sql.xml:377
#, no-c-format
msgid ""
"<![CDATA[<sql-query name=\"personsWith\">\n"
"    <return alias=\"person\" class=\"eg.Person\"/>\n"
"    <return-join alias=\"address\" property=\"person.mailingAddress\"/>\n"
"    SELECT person.NAME AS {person.name},\n"
"           person.AGE AS {person.age},\n"
"           person.SEX AS {person.sex},\n"
"           address.STREET AS {address.street},\n"
"           address.CITY AS {address.city},\n"
"           address.STATE AS {address.state},\n"
"           address.ZIP AS {address.zip}\n"
"    FROM PERSON person\n"
"    JOIN ADDRESS address\n"
"        ON person.ID = address.PERSON_ID AND address.TYPE='MAILING'\n"
"    WHERE person.NAME LIKE :namePattern\n"
"</sql-query>]]>"
msgstr ""

#. Tag: para
#: query_sql.xml:379
#, no-c-format
msgid ""
"A named SQL query may return a scalar value. You must declare the column "
"alias and Hibernate type using the <literal>&lt;return-scalar&gt;</literal> "
"element:"
msgstr ""
"一个命名查询可能会返回一个标量值.你必须使用<literal>&lt;return-scalar&gt;</"
"literal>元素来指定字段的别名和 Hibernate类型"

#. Tag: programlisting
#: query_sql.xml:383
#, no-c-format
msgid ""
"<![CDATA[<sql-query name=\"mySqlQuery\">\n"
"    <return-scalar column=\"name\" type=\"string\"/>\n"
"    <return-scalar column=\"age\" type=\"long\"/>\n"
"    SELECT p.NAME AS name,\n"
"           p.AGE AS age,\n"
"    FROM PERSON p WHERE p.NAME LIKE 'Hiber%'\n"
"</sql-query>]]>"
msgstr ""

#. Tag: para
#: query_sql.xml:385
#, no-c-format
msgid ""
"You can externalize the resultset mapping informations in a <literal>&lt;"
"resultset&gt;</literal> element to either reuse them accross several named "
"queries or through the <literal>setResultSetMapping()</literal> API."
msgstr ""
"你可以把结果集映射的信息放在外部的<literal>&lt;resultset&gt;</literal>元素"
"中，这样就可以在多个命名查询间，或者通过<literal>setResultSetMapping()</"
"literal>API来访问。(此处原文即存疑。原文为：You can externalize the "
"resultset mapping informations in a <literal>&lt;resultset&gt;</literal> "
"element to either reuse them accross several named queries or through the "
"<literal>setResultSetMapping()</literal> API.)"

#. Tag: programlisting
#: query_sql.xml:390
#, no-c-format
msgid ""
"<![CDATA[<resultset name=\"personAddress\">\n"
"    <return alias=\"person\" class=\"eg.Person\"/>\n"
"    <return-join alias=\"address\" property=\"person.mailingAddress\"/>\n"
"</resultset>\n"
"\n"
"<sql-query name=\"personsWith\" resultset-ref=\"personAddress\">\n"
"    SELECT person.NAME AS {person.name},\n"
"           person.AGE AS {person.age},\n"
"           person.SEX AS {person.sex},\n"
"           address.STREET AS {address.street},\n"
"           address.CITY AS {address.city},\n"
"           address.STATE AS {address.state},\n"
"           address.ZIP AS {address.zip}\n"
"    FROM PERSON person\n"
"    JOIN ADDRESS address\n"
"        ON person.ID = address.PERSON_ID AND address.TYPE='MAILING'\n"
"    WHERE person.NAME LIKE :namePattern\n"
"</sql-query>]]>"
msgstr ""

#. Tag: para
#: query_sql.xml:392
#, no-c-format
msgid ""
"You can alternatively use the resultset mapping information in your hbm "
"files directly in java code."
msgstr "另外,你可以在java代码中直接使用hbm文件中的结果集定义信息。"

#. Tag: programlisting
#: query_sql.xml:395
#, no-c-format
msgid ""
"<![CDATA[List cats = sess.createSQLQuery(\n"
"        \"select {cat.*}, {kitten.*} from cats cat, cats kitten where kitten."
"mother = cat.id\"\n"
"    )\n"
"    .setResultSetMapping(\"catAndKitten\")\n"
"    .list();]]>"
msgstr ""

#. Tag: title
#: query_sql.xml:398
#, no-c-format
msgid "Using return-property to explicitly specify column/alias names"
msgstr "使用return-property来明确地指定字段/别名"

#. Tag: para
#: query_sql.xml:401
#, no-c-format
msgid ""
"With <literal>&lt;return-property&gt;</literal> you can explicitly tell "
"Hibernate what column aliases to use, instead of using the <literal>{}</"
"literal>-syntax to let Hibernate inject its own aliases."
msgstr ""
"使用<literal>&lt;return-property&gt;</literal>你可以明确的告诉Hibernate使用哪"
"些字段别名,这取代了使用<literal>{}</literal>-语法 来让Hibernate注入它自己的别"
"名."

#. Tag: programlisting
#: query_sql.xml:406
#, no-c-format
msgid ""
"<![CDATA[<sql-query name=\"mySqlQuery\">\n"
"    <return alias=\"person\" class=\"eg.Person\">\n"
"        <return-property name=\"name\" column=\"myName\"/>\n"
"        <return-property name=\"age\" column=\"myAge\"/>\n"
"        <return-property name=\"sex\" column=\"mySex\"/>\n"
"    </return>\n"
"    SELECT person.NAME AS myName,\n"
"           person.AGE AS myAge,\n"
"           person.SEX AS mySex,\n"
"    FROM PERSON person WHERE person.NAME LIKE :name\n"
"</sql-query>\n"
"]]>"
msgstr ""

#. Tag: para
#: query_sql.xml:408
#, no-c-format
msgid ""
"<literal>&lt;return-property&gt;</literal> also works with multiple columns. "
"This solves a limitation with the <literal>{}</literal>-syntax which can not "
"allow fine grained control of multi-column properties."
msgstr ""
"<literal>&lt;return-property&gt;</literal>也可用于多个字段,它解决了使用"
"<literal>{}</literal>-语法不能细粒度控制多个字段的限制"

#. Tag: programlisting
#: query_sql.xml:413
#, no-c-format
msgid ""
"<![CDATA[<sql-query name=\"organizationCurrentEmployments\">\n"
"    <return alias=\"emp\" class=\"Employment\">\n"
"        <return-property name=\"salary\">\n"
"            <return-column name=\"VALUE\"/>\n"
"            <return-column name=\"CURRENCY\"/>\n"
"        </return-property>\n"
"        <return-property name=\"endDate\" column=\"myEndDate\"/>\n"
"    </return>\n"
"        SELECT EMPLOYEE AS {emp.employee}, EMPLOYER AS {emp.employer},\n"
"        STARTDATE AS {emp.startDate}, ENDDATE AS {emp.endDate},\n"
"        REGIONCODE as {emp.regionCode}, EID AS {emp.id}, VALUE, CURRENCY\n"
"        FROM EMPLOYMENT\n"
"        WHERE EMPLOYER = :id AND ENDDATE IS NULL\n"
"        ORDER BY STARTDATE ASC\n"
"</sql-query>]]>"
msgstr ""

#. Tag: para
#: query_sql.xml:415
#, no-c-format
msgid ""
"Notice that in this example we used <literal>&lt;return-property&gt;</"
"literal> in combination with the <literal>{}</literal>-syntax for injection. "
"Allowing users to choose how they want to refer column and properties."
msgstr ""
"注意在这个例子中,我们使用了<literal>&lt;return-property&gt;</literal>结合"
"<literal>{}</literal>的注入语法. 允许用户来选择如何引用字段以及属性."

#. Tag: para
#: query_sql.xml:420
#, no-c-format
msgid ""
"If your mapping has a discriminator you must use <literal>&lt;return-"
"discriminator&gt;</literal> to specify the discriminator column."
msgstr ""
"如果你映射一个识别器(discriminator),你必须使用<literal>&lt;return-"
"discriminator&gt;</literal> 来指定识别器字段"

#. Tag: title
#: query_sql.xml:426
#, no-c-format
msgid "Using stored procedures for querying"
msgstr "使用存储过程来查询"

#. Tag: para
#: query_sql.xml:428
#, no-c-format
msgid ""
"Hibernate 3 introduces support for queries via stored procedures and "
"functions. Most of the following documentation is equivalent for both. The "
"stored procedure/function must return a resultset as the first out-parameter "
"to be able to work with Hibernate. An example of such a stored function in "
"Oracle 9 and higher is as follows:"
msgstr ""
"Hibernate 3引入了对存储过程查询(stored procedure)和函数(function)的支持.以下"
"的说明中，这二者一般都适用。 存储过程/函数必须返回一个结果集,作为Hibernate能"
"够使用的第一个外部参数. 下面是一个Oracle9和更高版本的存储过程例子."

#. Tag: programlisting
#: query_sql.xml:434
#, no-c-format
msgid ""
"<![CDATA[CREATE OR REPLACE FUNCTION selectAllEmployments\n"
"    RETURN SYS_REFCURSOR\n"
"AS\n"
"    st_cursor SYS_REFCURSOR;\n"
"BEGIN\n"
"    OPEN st_cursor FOR\n"
" SELECT EMPLOYEE, EMPLOYER,\n"
" STARTDATE, ENDDATE,\n"
" REGIONCODE, EID, VALUE, CURRENCY\n"
" FROM EMPLOYMENT;\n"
"      RETURN  st_cursor;\n"
" END;]]>"
msgstr ""

#. Tag: para
#: query_sql.xml:436
#, no-c-format
msgid "To use this query in Hibernate you need to map it via a named query."
msgstr "在Hibernate里要要使用这个查询,你需要通过命名查询来映射它."

#. Tag: programlisting
#: query_sql.xml:439
#, no-c-format
msgid ""
"<![CDATA[<sql-query name=\"selectAllEmployees_SP\" callable=\"true\">\n"
"    <return alias=\"emp\" class=\"Employment\">\n"