To simple following table.
create table test (member_id int, member_name text);
In JSP, I accessed as following.
<sql:update var="stmt" dataSource="${kome}">
insert into test values(?,?)
<sql:param value="1"/>
<sql:param value="Miyauchi"/>
</sql:update>
I've gotten following error.(using Tomcat-9.0.22 and Postgres-11.5)
javax.servlet.jsp.JspException: insert into test values(?,?) : ERROR:
column "member_id" is of type integer but expression is of type
character varying Hint: You will need to rewrite or cast the
expression. Position: 27
This JSP works under Tomcat-5.5.3 and Postgres-9.0.8.
And, I've gotten the same result using following JSP.
<sql:update var="stmt" dataSource="${kome}">
insert into test values(?,?)
<sql:param>1</sql:param>
<sql:param value="Miyauchi"/>
</sql:update>
How to cast String to int?
Of course, following JSP works correctly.
<sql:update var="stmt" dataSource="${kome}">
insert into test values(1,?)
<sql:param value="Miyauchi"/>
</sql:update>
Regards, Kazuaki Miyauchi, Japan
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