SybaseIQ translator: week function can't be pushed directly

SELECT WEEK(dateValue) FROM BQT1.SMALLA;

[SELECT week(g_0."datevalue") FROM "bqt-server"."dvqe"."SmallA" AS g_0]

08:14:15,830 WARN  [org.teiid.CONNECTOR] (Worker3_QueryProcessorQueue19) Connector worker process failed for atomic-request=PYp5BTTPF3pK.8.0.2: org.teiid.translator.jdbc.JDBCExecutionException: 504 TEIID11008:TEIID11004 Error executing statement(s): [Prepared Values: [] SQL: SELECT week(g_0."datevalue") FROM "bqt-server"."dvqe"."SmallA" AS g_0]
	at org.teiid.translator.jdbc.JDBCQueryExecution.execute(JDBCQueryExecution.java:131) [translator-jdbc-8.12.8.6_3-redhat-1.jar:8.12.8.6_3-redhat-1]
	at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:366)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_71]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_71]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_71]
	at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_71]
	at org.teiid.dqp.internal.datamgr.ConnectorManager$1.invoke(ConnectorManager.java:211)
	at com.sun.proxy.$Proxy80.execute(Unknown Source)
	at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:306)
	at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:112)
	at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:108)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262) [rt.jar:1.7.0_71]
	at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:65)
	at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:280)
	at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119)
	at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_71]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_71]
	at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_71]
Caused by: com.sybase.jdbc4.jdbc.SybSQLException: SQL Anywhere Error -265: Procedure 'week' not found
	at com.sybase.jdbc4.tds.Tds.a(Unknown Source)
	at com.sybase.jdbc4.tds.Tds.nextResult(Unknown Source)
	at com.sybase.jdbc4.tds.Tds.getResultSetResult(Unknown Source)
	at com.sybase.jdbc4.tds.TdsCursor.open(Unknown Source)
	at com.sybase.jdbc4.jdbc.SybStatement.executeQuery(Unknown Source)
	at com.sybase.jdbc4.jdbc.SybPreparedStatement.executeQuery(Unknown Source)
	at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:462)
	at org.teiid.translator.jdbc.JDBCQueryExecution.execute(JDBCQueryExecution.java:123) [translator-jdbc-8.12.8.6_3-redhat-1.jar:8.12.8.6_3-redhat-1]
	... 18 more