iBatis SQL Maps

droidin.net | 19 Jul 2010 05:06

Dynamic table names in DELETE


iBatis 3 has wonderful ability in SELECT statements to provide dynamic
substitution before statement is prepared. For example this will work

<select id="foo">SELECT * FROM $db$.MY_TABLE</select>

However I can't make it work when trying to empty table

XML code:

<delete id="del" parameterType="String">DELETE FROM $db$.MY_TABLE</delete>
<!-- and I also tried -->
<delete id="del" parameterType="String">DELETE FROM $0$.MY_TABLE</delete>

Java code:

// method defined as
del(String db);
// and executed as
mapper.del("MY_DB");

I get message complaining that Database '$db$' does not exist

Anyone can suggest the solution? I'm on Teradata db and it is setup in the
way that I need provide db names in query or else I get Object not found

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Poitras Christian | 19 Jul 2010 14:33

RE: Dynamic table names in DELETE

Ibatis project moved to Google. If I am not mistaking, the developers of iBATIS are not registered to this
list anymore.
Please, post your questions to the new list at mybatis-user <at> googlegroups.com

Christian 

-----Original Message-----
From: droidin.net [mailto:droid <at> droidin.net] 
Sent: Sunday, July 18, 2010 11:07 PM
To: user-java <at> ibatis.apache.org
Subject: Dynamic table names in DELETE

iBatis 3 has wonderful ability in SELECT statements to provide dynamic substitution before statement is
prepared. For example this will work

<select id="foo">SELECT * FROM $db$.MY_TABLE</select>

However I can't make it work when trying to empty table

XML code:

<delete id="del" parameterType="String">DELETE FROM $db$.MY_TABLE</delete>
<!-- and I also tried -->
<delete id="del" parameterType="String">DELETE FROM $0$.MY_TABLE</delete>

Java code:

// method defined as
del(String db);
// and executed as

(Continue reading)