If set null as argument to replace function, the column of all records becomes null ----------------------------------------------------------------------------------- Key: TEIID-5571 URL: https://issues.jboss.org/browse/TEIID-5571 Project: Teiid Issue Type: Bug Components: Query Engine Affects Versions: 8.12.16.6_4 Environment: jdv6.4.5 Reporter: Hiroki Daicho Assignee: Steven Hawkins Priority: Major Attachments: Client.java, logs.zip, oraclevdb-vdb.xml When argument of replace function set to null, all records of the column are set null value. - Query select num, replace(name, 'a', null) from TEST01 Results 1: 0, null 2: 1, null 3: 2, null 4: 3, null Results (Expected) 1: 0, null 2: 1, b 3: 2, c 4: 3, d {code} 14:03:17,019 INFO [org.teiid.COMMAND_LOG] (New I/O worker #2) MH/yC1t35aMa START USER COMMAND: startTime=2018-12-13 14:03:17.019 requestID=MH/yC1t35aMa.0 txID=null sessionID=MH/yC1t35aMa applicationName=JDBC principal=teiidUser@teiid-security vdbName=oraclevdb vdbVersion=1 sql=select num, replace(name, 'a', null) from TEST01 14:03:17,309 DEBUG [org.teiid.COMMAND_LOG] (Worker1_QueryProcessorQueue1) MH/yC1t35aMa START DATA SRC COMMAND: startTime=2018-12-13 14:03:17.309 requestID=MH/yC1t35aMa.0 sourceCommandID=0 executionID=0 txID=null modelName=oracle translatorName=oracle sessionID=MH/yC1t35aMa principal=teiidUser@teiid-security sql=SELECT g_0.NUM FROM oracle.TEST01 AS g_0 14:03:17,314 DEBUG [org.teiid.COMMAND_LOG] (Worker1_QueryProcessorQueue1) MH/yC1t35aMa SOURCE SRC COMMAND: endTime=2018-12-13 14:03:17.314 requestID=MH/yC1t35aMa.0 sourceCommandID=0 executionID=0 txID=null modelName=oracle translatorName=oracle sessionID=MH/yC1t35aMa principal=teiidUser@teiid-security sourceCommand=[SELECT g_0."NUM" FROM "TESTDB"."TEST01" g_0] 14:03:17,440 DEBUG [org.teiid.COMMAND_LOG] (Worker0_QueryProcessorQueue2) MH/yC1t35aMa END SRC COMMAND: endTime=2018-12-13 14:03:17.44 requestID=MH/yC1t35aMa.0 sourceCommandID=0 executionID=0 txID=null modelName=oracle translatorName=oracle sessionID=MH/yC1t35aMa principal=teiidUser@teiid-security finalRowCount=4 cpuTime(ns)=121768769 14:03:17,481 INFO [org.teiid.COMMAND_LOG] (Worker0_QueryProcessorQueue3) MH/yC1t35aMa END USER COMMAND: endTime=2018-12-13 14:03:17.481 requestID=MH/yC1t35aMa.0 txID=null sessionID=MH/yC1t35aMa principal=teiidUser@teiid-security vdbName=oraclevdb vdbVersion=1 finalRowCount=4 {code} This query is also same result. select num, replace(name, null, 'a') from TEST01 When the replace function is in view model as follows, the result is same as the above. {code} <model name="oracle_view" type="VIRTUAL"> <property name="imports" value="oracle"/> <metadata type="DDL"><![CDATA[ CREATE VIEW V_TEST01 ( NUM bigdecimal(38) NOT NULL OPTIONS(NAMEINSOURCE '"NUM"', NATIVE_TYPE 'NUMBER', UPDATABLE 'FALSE', FIXED_LENGTH 'TRUE'), NAME string(20) OPTIONS(NAMEINSOURCE '"NAME"', NATIVE_TYPE 'VARCHAR2', UPDATABLE 'FALSE'), CONSTRAINT PK_NUM PRIMARY KEY(NUM) OPTIONS(NAMEINSOURCE '"PK_NUM"') ) OPTIONS(NAMEINSOURCE '"TESTDB"."TEST01"') AS SELECT t.NUM, replace(t.NAME, 'a', null) AS name FROM oracle.TEST01 AS t; ]]></metadata> </model> {code}