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Parameters specified as nested elements

transaction

Use nested <transaction> elements to specify multiple blocks of commands to the executed executed in the same connection but different transactions. This is particularly useful when there are multiple files to execute on the same schema.

Attribute Description Required
src File containing SQL statements Yes, unless statements enclosed within tags

fileset

You can specify multiple source files via nested fileset elements. Each file of the fileset will be run in a transaction of its own, the order by which the files of a single fileset will be executed is not defined.

classpath

Sql's classpath attribute is a PATH like structure and can also be set via a nested classpath element. It is used to load the JDBC classes.

Examples

<sql
    driver="org.database.jdbcDriver"
    url="jdbc:database-url"
    userid="sa"
    password="pass"
    src="data.sql"
/>
Connects to the database given in url as the sa user using the org.database.jdbcDriver and executes the SQL statements contained within the file data.sql
<sql
    driver="org.database.jdbcDriver"
    url="jdbc:database-url"
    userid="sa"
    password="pass"
    >
insert
into table some_table
values(1,2,3,4);

truncate table some_other_table;
</sql>
Connects to the database given in url as the sa user using the org.database.jdbcDriver and executes the two SQL statements inserting data into some_table and truncating some_other_table

Note that you may want to enclose your statements in <![CDATA[ ... ]]> sections so you don't need to escape <, > & or other special characters. For example:

<sql
    driver="org.database.jdbcDriver"
    url="jdbc:database-url"
    userid="sa"
    password="pass"
    ><![CDATA[
update some_table set column1 = column1 + 1 where column2 < 42;
]]></sql>
The following connects to the database given in url as the sa user using the org.database.jdbcDriver and executes the SQL statements contained within the files data1.sql, data2.sql and data3.sql and then executes the truncate operation on some_other_table.
<sql
    driver="org.database.jdbcDriver"
    url="jdbc:database-url"
    userid="sa"
    password="pass" >
  <transaction  src="data1.sql"/>
  <transaction  src="data2.sql"/>
  <transaction  src="data3.sql"/>
  <transaction>
    truncate table some_other_table;
  </transaction>
</sql>
The following example does the same as (and may execute additional SQL files if there are more files matching the pattern data*.sql) but doesn't guarantee that data1.sql will be run before data2.sql.
<sql
    driver="org.database.jdbcDriver"
    url="jdbc:database-url"
    userid="sa"
    password="pass">
  <fileset dir=".">
    <include name="data*.sql"/>
  </fileset>
  <transaction>
    truncate table some_other_table;
  </transaction>
</sql>
The following connects to the database given in url as the sa user using the org.database.jdbcDriver and executes the SQL statements contained within the file data.sql, with output piped to outputfile.txt, searching /some/jdbc.jar as well as the system classpath for the driver class.
<sql
    driver="org.database.jdbcDriver"
    url="jdbc:database-url"
    userid="sa"
    password="pass"
    src="data.sql"
    print="yes"
    output="outputfile.txt"
    >
<classpath>
        <pathelement location="/some/jdbc.jar"/>
</classpath>
</sql>
The following will only execute if the RDBMS is "oracle" and the version starts with "8.1."
<sql
    driver="org.database.jdbcDriver"
    url="jdbc:database-url"
    userid="sa"
    password="pass"
    src="data.sql"
    rdbms="oracle"
    version="8.1."
    >
insert
into table some_table
values(1,2,3,4);

truncate table some_other_table;
</sql>


next up previous contents index
Next: Xslt/Style Up: Sql Previous: Parameters   Contents   Index
Andrew Marlow 2003-07-08