[teiid-issues] [JBoss JIRA] (TEIID-5353) Prepared Statement params are not pre-evaluated

Maximilián Košiarčik (JIRA) issues at jboss.org
Wed Jun 27 06:10:00 EDT 2018


    [ https://issues.jboss.org/browse/TEIID-5353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13597566#comment-13597566 ] 

Maximilián Košiarčik commented on TEIID-5353:
---------------------------------------------

[~shawkins] 
Is it expected now  that for \[1]  the query should also be pre-evaluated and only one side of the union should be run?

> Prepared Statement params are not pre-evaluated
> -----------------------------------------------
>
>                 Key: TEIID-5353
>                 URL: https://issues.jboss.org/browse/TEIID-5353
>             Project: Teiid
>          Issue Type: Bug
>    Affects Versions: 8.12.12.6_4
>            Reporter: Debbie Steigner
>            Assignee: Steven Hawkins
>             Fix For: 11.0, 10.3.2, 8.12.14.6_4
>
>
> prepared statements, [1] with both criteria as parameters for the prepared statement, the predicates are not evaluated until after batches are pulled.  But for [2] if the SEARCH='FALSE' is in the query and not a param, it is pre-evaluated and we only run the one side of the union.
> [1]
> sql = "select  * from " +
> "Inventory_Detail" +
> " WHERE SEARCH = (?)  and ITEM_ID in (?) OFFSET 0 ROWS FETCH NEXT 500 ROWS ONLY";
> PreparedStatement preparedStatement =  conn.prepareStatement(sql);
> preparedStatement.setString(1,"FALSE");
> preparedStatement.setString(2,"1005014161091");
> ResultSet rs = null;
> [2]
> sql = "select  * from " +
> "Inventory_Detail" +
> " WHERE SEARCH = 'FALSE' and ITEM_ID in (?) OFFSET 0 ROWS FETCH NEXT 500 ROWS ONLY";
> PreparedStatement preparedStatement =  conn.prepareStatement(sql);
> preparedStatement.setString(1,"1005014161091");
> ResultSet rs = null;



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