java.lang.RuntimeException: configDatabaseFrom: DB2-ro, configEnabled: true, configDatabaseTo: grouper, configTableFrom: SELECT UIN, PID, TSTAMP from PERSON WHERE UIN IS NOT NULL AND PID IS NOT NULL, configTableTo: pb_pids, configColumns: *, configPrimaryKeyColumns: UIN, finalLog: true, state: retrieveData, sync: sqlTableSync, provisionerName: uicPersonPidSync, syncType: fullSyncFull, databaseFrom: DB2-ro, tableFrom: null, databaseTo: grouper, tableTo: pb_pids, exception: java.lang.RuntimeException: sql: select max( "tstamp" )  from null, 

	at edu.internet2.middleware.grouperClient.jdbc.GcDbAccess.callbackResultSet(GcDbAccess.java:2665)

	at edu.internet2.middleware.grouperClient.jdbc.GcDbAccess.selectList(GcDbAccess.java:1984)

	at edu.internet2.middleware.grouperClient.jdbc.GcDbAccess.selectList(GcDbAccess.java:1858)

	at edu.internet2.middleware.grouperClient.jdbc.GcDbAccess.select(GcDbAccess.java:1808)

	at edu.internet2.middleware.grouperClient.jdbc.tableSync.GcTableSyncSubtype.captureCurrentMaxIncrementalIndexIfNeeded(GcTableSyncSubtype.java:937)

	at edu.internet2.middleware.grouperClient.jdbc.tableSync.GcTableSyncSubtype.access$100(GcTableSyncSubtype.java:31)

	at edu.internet2.middleware.grouperClient.jdbc.tableSync.GcTableSyncSubtype$1.retrieveData(GcTableSyncSubtype.java:54)

	at edu.internet2.middleware.grouperClient.jdbc.tableSync.GcTableSync.sync(GcTableSync.java:370)

	at edu.internet2.middleware.grouper.app.tableSync.TableSyncOtherJob.run(TableSyncOtherJob.java:71)

	at edu.internet2.middleware.grouper.app.loader.OtherJobBase$2.callback(OtherJobBase.java:441)

	at edu.internet2.middleware.grouper.GrouperSession.callbackGrouperSession(GrouperSession.java:1063)

	at edu.internet2.middleware.grouper.GrouperSession.internal_callbackRootGrouperSession(GrouperSession.java:1132)

	at edu.internet2.middleware.grouper.GrouperSession.internal_callbackRootGrouperSession(GrouperSession.java:1099)

	at edu.internet2.middleware.grouper.app.loader.OtherJobBase.execute(OtherJobBase.java:394)

	at edu.internet2.middleware.grouper.app.loader.OtherJobBase.execute(OtherJobBase.java:378)

	at edu.internet2.middleware.grouper.app.loader.GrouperDaemonJob.execute(GrouperDaemonJob.java:57)

	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)

	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:573)

Caused by: org.postgresql.util.PSQLException: ERROR: syntax error at or near "null"

  Position: 30

	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2725)

	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2412)

	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:371)

	at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:502)

	at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:419)

	at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:194)

	at org.postgresql.jdbc.PgPreparedStatement.executeQuery(PgPreparedStatement.java:137)

	at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:431)

	at edu.internet2.middleware.grouperClient.jdbc.GcDbAccess.callbackResultSet(GcDbAccess.java:2660)

	... 17 more

, queryCount: 4, tookMillis: 27, took: 00:00:00.027

	at edu.internet2.middleware.grouperClient.jdbc.tableSync.GcTableSync.sync(GcTableSync.java:592)

	at edu.internet2.middleware.grouper.app.tableSync.TableSyncOtherJob.run(TableSyncOtherJob.java:71)

	at edu.internet2.middleware.grouper.app.loader.OtherJobBase$2.callback(OtherJobBase.java:441)

	at edu.internet2.middleware.grouper.GrouperSession.callbackGrouperSession(GrouperSession.java:1063)

	at edu.internet2.middleware.grouper.GrouperSession.internal_callbackRootGrouperSession(GrouperSession.java:1132)

	at edu.internet2.middleware.grouper.GrouperSession.internal_callbackRootGrouperSession(GrouperSession.java:1099)

	at edu.internet2.middleware.grouper.app.loader.OtherJobBase.execute(OtherJobBase.java:394)

	at edu.internet2.middleware.grouper.app.loader.OtherJobBase.execute(OtherJobBase.java:378)

	at edu.internet2.middleware.grouper.app.loader.GrouperDaemonJob.execute(GrouperDaemonJob.java:57)

	at org.quartz.core.JobRunShell.run(JobRunShell.java:202)

	at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:573)

    if (tableName.contains(" ")) {

      this.tableMetadata = GcTableSyncTableMetadata.retrieveQueryMetadataFromCacheOrDatabase(databaseFrom, tableName);

    } else {

      this.tableMetadata = GcTableSyncTableMetadata.retrieveTableMetadataFromCacheOrDatabase(databaseFrom, tableName);

    }