Yingyi Bu has submitted this change and it was merged. Change subject: ASTERIXDB-1223: let incompatiable comparisons return null. ......................................................................
ASTERIXDB-1223: let incompatiable comparisons return null. - make null/missing/true/false case-insensitive; - add tests for incompatible comparisons; - add tests for group-by/order-by with MISSING valued keys. Change-Id: I8130d505f810631231d3755941ce4de64313501b Reviewed-on: https://asterix-gerrit.ics.uci.edu/912 Reviewed-by: Jenkins <jenk...@fulliautomatix.ics.uci.edu> Tested-by: Jenkins <jenk...@fulliautomatix.ics.uci.edu> Reviewed-by: Till Westmann <ti...@apache.org> --- A asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/comparison/incompatible/incompatible.1.query.sqlpp A asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.1.ddl.sqlpp A asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.2.update.sqlpp A asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.3.query.sqlpp A asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by/group-by.1.query.sqlpp A asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.1.ddl.sqlpp A asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.2.update.sqlpp A asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.3.query.sqlpp A asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by/order-by.1.query.sqlpp A asterixdb/asterix-app/src/test/resources/runtimets/results/comparison/incompatible/incompatible.1.adm A asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/group-by-from-dataset/group-by-from-dataset.1.adm A asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/group-by/group-by.1.adm A asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/order-by-from-dataset/order-by-from-dataset.1.adm A asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/order-by/order-by.1.adm M asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml M asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.html M asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj M asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/comparisons/AbstractComparisonEvaluator.java 18 files changed, 335 insertions(+), 13 deletions(-) Approvals: Till Westmann: Looks good to me, approved Jenkins: Looks good to me, but someone else must approve; Verified diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/comparison/incompatible/incompatible.1.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/comparison/incompatible/incompatible.1.query.sqlpp new file mode 100644 index 0000000..f741b05 --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/comparison/incompatible/incompatible.1.query.sqlpp @@ -0,0 +1,29 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +{ + "null_with_missing": NULL > MISSING, + "missing_with_int": MISSING < 25, + "null_with_int": NULL > 25, + "int_with_str": 99 < '25', + "str_with_int": '25'< 99, + "str_with_list": "hello" < [], + "int_with_list": 99 < [99], + "list_with_list": [] < {} +}; diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.1.ddl.sqlpp new file mode 100644 index 0000000..f311302 --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.1.ddl.sqlpp @@ -0,0 +1,32 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + + + +drop database test if exists; +create database test; + +use test; + +create type TestType as { + b: int64 +} + +create table data(TestType) primary key b; + diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.2.update.sqlpp new file mode 100644 index 0000000..978894a --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.2.update.sqlpp @@ -0,0 +1,32 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +USE test; + +INSERT INTO data ( +[ {"a":1, "b":2}, + {"a": NULL, "b": 7}, + {"a":1, "b":3}, + {"b":4}, + {"a": NULL, "b": 6}, + {"b":5}, + {"a": "1", "b":8}, + {"a": 3.0, "b":9} +] +) diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.3.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.3.query.sqlpp new file mode 100644 index 0000000..3340b64 --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by-from-dataset/group-by-from-dataset.3.query.sqlpp @@ -0,0 +1,26 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +USE test; + +SELECT a AS a, MAX(d.b) as max, COUNT(1) as count +FROM data AS d +GROUP BY d.a AS a +ORDER BY a; + diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by/group-by.1.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by/group-by.1.query.sqlpp new file mode 100644 index 0000000..a36f87c --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/group-by/group-by.1.query.sqlpp @@ -0,0 +1,36 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + + +WITH data AS +[ {"a":1, "b":2}, + {"a": NULL, "b": 7}, + {"a":1, "b":3}, + {"b":4}, + {"a": NULL, "b": 6}, + {"b":5}, + {"a": "1", "b":8}, + {"a": 3.0, "b":9} +] + +SELECT a AS a, MAX(d.b) as max, COUNT(1) as count +FROM data AS d +GROUP BY d.a AS a +ORDER BY a; + diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.1.ddl.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.1.ddl.sqlpp new file mode 100644 index 0000000..f311302 --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.1.ddl.sqlpp @@ -0,0 +1,32 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + + + +drop database test if exists; +create database test; + +use test; + +create type TestType as { + b: int64 +} + +create table data(TestType) primary key b; + diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.2.update.sqlpp new file mode 100644 index 0000000..3a461ae --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.2.update.sqlpp @@ -0,0 +1,29 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +USE test; + +INSERT INTO data ( +[ {"a":1, "b":2}, + {"a": NULL, "b": 7}, + {"b":4}, + {"a": "1", "b":8}, + {"a": 3.0, "b":9} +] +); diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.3.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.3.query.sqlpp new file mode 100644 index 0000000..3758ff2 --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by-from-dataset/order-by-from-dataset.3.query.sqlpp @@ -0,0 +1,26 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +USE test; + + +SELECT VALUE d +FROM data AS d +ORDER BY d.a; + diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by/order-by.1.query.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by/order-by.1.query.sqlpp new file mode 100644 index 0000000..567ca72 --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/null-missing/order-by/order-by.1.query.sqlpp @@ -0,0 +1,31 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + + +WITH data AS +[ {"a":1, "b":2}, + {"a": NULL, "b": 7}, + {"b":4}, + {"a": "1", "b":8}, + {"a": 3.0, "b":9} +] + +SELECT VALUE d +FROM data AS d +ORDER BY d.a; diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/comparison/incompatible/incompatible.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/comparison/incompatible/incompatible.1.adm new file mode 100644 index 0000000..25bbfd6 --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/comparison/incompatible/incompatible.1.adm @@ -0,0 +1 @@ +{ "null_with_int": null, "int_with_str": null, "str_with_int": null, "str_with_list": null, "int_with_list": null, "list_with_list": null } diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/group-by-from-dataset/group-by-from-dataset.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/group-by-from-dataset/group-by-from-dataset.1.adm new file mode 100644 index 0000000..afb229f --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/group-by-from-dataset/group-by-from-dataset.1.adm @@ -0,0 +1,5 @@ +{ "max": 5, "count": 2 } +{ "max": 7, "count": 2, "a": null } +{ "max": 3, "count": 2, "a": 1 } +{ "max": 9, "count": 1, "a": 3.0d } +{ "max": 8, "count": 1, "a": "1" } diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/group-by/group-by.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/group-by/group-by.1.adm new file mode 100644 index 0000000..339b112 --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/group-by/group-by.1.adm @@ -0,0 +1,5 @@ +{ "count": 2, "max": 5 } +{ "count": 2, "a": null, "max": 7 } +{ "count": 2, "a": 1, "max": 3 } +{ "count": 1, "a": 3.0d, "max": 9 } +{ "count": 1, "a": "1", "max": 8 } diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/order-by-from-dataset/order-by-from-dataset.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/order-by-from-dataset/order-by-from-dataset.1.adm new file mode 100644 index 0000000..4cbb761 --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/order-by-from-dataset/order-by-from-dataset.1.adm @@ -0,0 +1,5 @@ +{ "b": 4 } +{ "b": 7, "a": null } +{ "b": 2, "a": 1 } +{ "b": 9, "a": 3.0d } +{ "b": 8, "a": "1" } diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/order-by/order-by.1.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/order-by/order-by.1.adm new file mode 100644 index 0000000..63285af --- /dev/null +++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/null-missing/order-by/order-by.1.adm @@ -0,0 +1,5 @@ +{ "b": 4 } +{ "a": null, "b": 7 } +{ "a": 1, "b": 2 } +{ "a": 3.0d, "b": 9 } +{ "a": "1", "b": 8 } diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml b/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml index 0c08ffd..dc4a17d 100644 --- a/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml +++ b/asterixdb/asterix-app/src/test/resources/runtimets/testsuite_sqlpp.xml @@ -967,6 +967,11 @@ </compilation-unit> </test-case> <test-case FilePath="comparison"> + <compilation-unit name="incompatible"> + <output-dir compare="Text">incompatible</output-dir> + </compilation-unit> + </test-case> + <test-case FilePath="comparison"> <compilation-unit name="int16"> <output-dir compare="Text">int16</output-dir> </compilation-unit> @@ -3649,6 +3654,16 @@ </compilation-unit> </test-case> <test-case FilePath="null-missing"> + <compilation-unit name="group-by"> + <output-dir compare="Text">group-by</output-dir> + </compilation-unit> + </test-case> + <test-case FilePath="null-missing"> + <compilation-unit name="group-by-from-dataset"> + <output-dir compare="Text">group-by-from-dataset</output-dir> + </compilation-unit> + </test-case> + <test-case FilePath="null-missing"> <compilation-unit name="length"> <output-dir compare="Text">length</output-dir> </compilation-unit> @@ -3659,6 +3674,16 @@ </compilation-unit> </test-case> <test-case FilePath="null-missing"> + <compilation-unit name="order-by"> + <output-dir compare="Text">order-by</output-dir> + </compilation-unit> + </test-case> + <test-case FilePath="null-missing"> + <compilation-unit name="order-by-from-dataset"> + <output-dir compare="Text">order-by-from-dataset</output-dir> + </compilation-unit> + </test-case> + <test-case FilePath="null-missing"> <compilation-unit name="scan-collection"> <output-dir compare="Text">scan-collection</output-dir> </compilation-unit> diff --git a/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.html b/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.html index 797ee69..e5a0cea 100644 --- a/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.html +++ b/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.html @@ -210,7 +210,7 @@ <TR> <TD> <PRE> -<DEFAULT,IN_DBL_BRACE> TOKEN : { +<DEFAULT,IN_DBL_BRACE> TOKEN [IGNORE_CASE] : { <MISSING: "missing"> | <NULL: "null"> | <TRUE: "true"> diff --git a/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj b/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj index fc94d8b..4961834 100644 --- a/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj +++ b/asterixdb/asterix-lang-sqlpp/src/main/javacc/SQLPP.jj @@ -2869,7 +2869,7 @@ } <DEFAULT,IN_DBL_BRACE> -TOKEN : +TOKEN [IGNORE_CASE]: { <MISSING : "missing"> | <NULL : "null"> diff --git a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/comparisons/AbstractComparisonEvaluator.java b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/comparisons/AbstractComparisonEvaluator.java index ebf255f..04944dc 100644 --- a/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/comparisons/AbstractComparisonEvaluator.java +++ b/asterixdb/asterix-runtime/src/main/java/org/apache/asterix/runtime/evaluators/comparisons/AbstractComparisonEvaluator.java @@ -22,6 +22,7 @@ import org.apache.asterix.formats.nontagged.AqlSerializerDeserializerProvider; import org.apache.asterix.om.base.ABoolean; +import org.apache.asterix.om.base.ANull; import org.apache.asterix.om.types.ATypeTag; import org.apache.asterix.om.types.BuiltinType; import org.apache.asterix.om.types.EnumDeserializer; @@ -53,6 +54,9 @@ @SuppressWarnings("unchecked") protected ISerializerDeserializer<ABoolean> serde = AqlSerializerDeserializerProvider.INSTANCE .getSerializerDeserializer(BuiltinType.ABOOLEAN); + @SuppressWarnings("unchecked") + protected ISerializerDeserializer<ANull> nullSerde = AqlSerializerDeserializerProvider.INSTANCE + .getSerializerDeserializer(BuiltinType.ANULL); public AbstractComparisonEvaluator(IScalarEvaluatorFactory evalLeftFactory, IScalarEvaluatorFactory evalRightFactory, IHyracksTaskContext context) throws AlgebricksException { @@ -76,18 +80,17 @@ checkTotallyOrderable(); } - ABoolean b; - // Checks whether two types are comparable - if (comparabilityCheck()) { - // Two types can be compared - int r = compareResults(); - b = getComparisonResult(r) ? ABoolean.TRUE : ABoolean.FALSE; - } else { - // result:FALSE - two types cannot be compared. Thus we return FALSE since this is equality comparison - b = ABoolean.FALSE; - } try { - serde.serialize(b, out); + // Checks whether two types are comparable + if (comparabilityCheck()) { + // Two types can be compared + int r = compareResults(); + ABoolean b = getComparisonResult(r) ? ABoolean.TRUE : ABoolean.FALSE; + serde.serialize(b, out); + } else { + // result:NULL - two types cannot be compared. + nullSerde.serialize(ANull.NULL, out); + } } catch (HyracksDataException e) { throw new AlgebricksException(e); } -- To view, visit https://asterix-gerrit.ics.uci.edu/912 To unsubscribe, visit https://asterix-gerrit.ics.uci.edu/settings Gerrit-MessageType: merged Gerrit-Change-Id: I8130d505f810631231d3755941ce4de64313501b Gerrit-PatchSet: 6 Gerrit-Project: asterixdb Gerrit-Branch: master Gerrit-Owner: Yingyi Bu <buyin...@gmail.com> Gerrit-Reviewer: Jenkins <jenk...@fulliautomatix.ics.uci.edu> Gerrit-Reviewer: Till Westmann <ti...@apache.org> Gerrit-Reviewer: Yingyi Bu <buyin...@gmail.com>