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Posted to commits@kylin.apache.org by li...@apache.org on 2017/04/17 11:44:06 UTC
[06/17] kylin git commit: KYLIN-2540 fix concat cascade issue
KYLIN-2540 fix concat cascade issue
Project: http://git-wip-us.apache.org/repos/asf/kylin/repo
Commit: http://git-wip-us.apache.org/repos/asf/kylin/commit/fac8285a
Tree: http://git-wip-us.apache.org/repos/asf/kylin/tree/fac8285a
Diff: http://git-wip-us.apache.org/repos/asf/kylin/diff/fac8285a
Branch: refs/heads/2.0.x-hbase0.98
Commit: fac8285acf7db2472b95688fe4a85ca270293c99
Parents: 0c538b1
Author: lidongsjtu <li...@apache.org>
Authored: Mon Apr 10 21:50:32 2017 +0800
Committer: lidongsjtu <li...@apache.org>
Committed: Tue Apr 11 13:01:21 2017 +0800
----------------------------------------------------------------------
build/conf/kylin.properties | 1 +
.../test_case_data/sandbox/kylin.properties | 1 +
.../src/test/resources/query/sql/query104.sql | 31 ++++++++++++++++++++
.../org/apache/kylin/query/udf/ConcatUDF.java | 28 ++++++++++++++++++
.../org/apache/kylin/rest/util/QueryUtil.java | 15 ----------
5 files changed, 61 insertions(+), 15 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/kylin/blob/fac8285a/build/conf/kylin.properties
----------------------------------------------------------------------
diff --git a/build/conf/kylin.properties b/build/conf/kylin.properties
index 6d8422e..a2273d5 100644
--- a/build/conf/kylin.properties
+++ b/build/conf/kylin.properties
@@ -164,6 +164,7 @@ kylin.snapshot.max-mb=300
kylin.query.max-scan-bytes=0
kylin.query.udf.version=org.apache.kylin.query.udf.VersionUDF
+kylin.query.udf.concat=org.apache.kylin.query.udf.ConcatUDF
kylin.query.cache-enabled=true
http://git-wip-us.apache.org/repos/asf/kylin/blob/fac8285a/examples/test_case_data/sandbox/kylin.properties
----------------------------------------------------------------------
diff --git a/examples/test_case_data/sandbox/kylin.properties b/examples/test_case_data/sandbox/kylin.properties
index 1674d82..684b4dd 100644
--- a/examples/test_case_data/sandbox/kylin.properties
+++ b/examples/test_case_data/sandbox/kylin.properties
@@ -108,6 +108,7 @@ kylin.storage.hbase.max-region-count=5
kylin.storage.hbase.hfile-size-gb=2
kylin.query.udf.massin=org.apache.kylin.query.udf.MassInUDF
+kylin.query.udf.concat=org.apache.kylin.query.udf.ConcatUDF
kylin.query.udf.version=org.apache.kylin.query.udf.VersionUDF
# for test
http://git-wip-us.apache.org/repos/asf/kylin/blob/fac8285a/kylin-it/src/test/resources/query/sql/query104.sql
----------------------------------------------------------------------
diff --git a/kylin-it/src/test/resources/query/sql/query104.sql b/kylin-it/src/test/resources/query/sql/query104.sql
new file mode 100644
index 0000000..bb85664
--- /dev/null
+++ b/kylin-it/src/test/resources/query/sql/query104.sql
@@ -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.
+--
+
+
+select concat(meta_categ_name, lstg_format_name) as c1, concat(meta_categ_name, 'CONST') as c2, concat(meta_categ_name, concat(test_sites.site_name, lstg_format_name)) as c3, count(1) as cnt, sum(price) as GMV
+
+ from test_kylin_fact
+ left JOIN edw.test_cal_dt as test_cal_dt
+ ON test_kylin_fact.cal_dt = test_cal_dt.cal_dt
+ left JOIN test_category_groupings
+ ON test_kylin_fact.leaf_categ_id = test_category_groupings.leaf_categ_id AND test_kylin_fact.lstg_site_id = test_category_groupings.site_id
+ left JOIN edw.test_sites as test_sites
+ ON test_kylin_fact.lstg_site_id = test_sites.site_id
+
+ where not ( meta_categ_name not in ('', 'a','Computers') or meta_categ_name not in ('Crafts','Computers'))
+ group by concat(meta_categ_name, lstg_format_name), concat(meta_categ_name, 'CONST'), concat(meta_categ_name, concat(test_sites.site_name, lstg_format_name))
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/kylin/blob/fac8285a/query/src/main/java/org/apache/kylin/query/udf/ConcatUDF.java
----------------------------------------------------------------------
diff --git a/query/src/main/java/org/apache/kylin/query/udf/ConcatUDF.java b/query/src/main/java/org/apache/kylin/query/udf/ConcatUDF.java
new file mode 100644
index 0000000..9c0da53
--- /dev/null
+++ b/query/src/main/java/org/apache/kylin/query/udf/ConcatUDF.java
@@ -0,0 +1,28 @@
+/*
+ * 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.
+ */
+
+package org.apache.kylin.query.udf;
+
+import org.apache.calcite.linq4j.function.Parameter;
+
+public class ConcatUDF {
+
+ public String eval(@Parameter(name = "str1") String col1, @Parameter(name = "str2") String col2) {
+ return col1 + col2;
+ }
+}
http://git-wip-us.apache.org/repos/asf/kylin/blob/fac8285a/server-base/src/main/java/org/apache/kylin/rest/util/QueryUtil.java
----------------------------------------------------------------------
diff --git a/server-base/src/main/java/org/apache/kylin/rest/util/QueryUtil.java b/server-base/src/main/java/org/apache/kylin/rest/util/QueryUtil.java
index 59a4a78..26d6015 100644
--- a/server-base/src/main/java/org/apache/kylin/rest/util/QueryUtil.java
+++ b/server-base/src/main/java/org/apache/kylin/rest/util/QueryUtil.java
@@ -97,7 +97,6 @@ public class QueryUtil {
private static final Pattern PTN_SUM_1 = Pattern.compile(S0 + "SUM" + S0 + "[(]" + S0 + "[1]" + S0 + "[)]" + S0, Pattern.CASE_INSENSITIVE);
private static final Pattern PTN_NOT_EQ = Pattern.compile(S0 + "!="+ S0, Pattern.CASE_INSENSITIVE);
private static final Pattern PTN_INTERVAL = Pattern.compile("interval" + SM + "(floor\\()([\\d\\.]+)(\\))" + SM + "(second|minute|hour|day|month|year)", Pattern.CASE_INSENSITIVE);
- private static final Pattern PTN_CONCAT = Pattern.compile("concat\\(.+?\\)");//non-greedy
private static final Pattern PTN_HAVING_ESCAPE_FUNCTION = Pattern.compile("\\{fn" + "(.*?)" + "\\}", Pattern.CASE_INSENSITIVE);
@Override
@@ -150,20 +149,6 @@ public class QueryUtil {
sql = sql.substring(0, m.start(1)) + "'" + value + "'" + sql.substring(m.end(3));
}
- //according to https://issues.apache.org/jira/browse/CALCITE-1375,
- //{fn concat('a','b')} will succeed but concat('a','b') will fail
- StringBuilder sb = new StringBuilder();
- while (true) {
- m = PTN_CONCAT.matcher(sql);
- if (!m.find())
- break;
-
- sb.append(sql.substring(0, m.start()) + "{fn " + m.group(0) + " }");
- sql = sql.substring(m.end());
- }
- String temp = sb.toString() + sql;
- sql = "".equals(temp) ? sql : temp;
-
return sql;
}