Permalink
Show file tree
Hide file tree
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Browse files
Add replace statement to sql parser (#12386)
Relevant Issue: #11929 - Add custom replace statement to Druid SQL parser. - Edit DruidPlanner to convert relevant fields to Query Context. - Refactor common code with INSERT statements to reuse them for REPLACE where possible.
- Loading branch information
1 parent
9177515
commit 39b3487aa9829d1d5b19733ef76319d8133dcb38
Showing
13 changed files
with
1,759 additions
and
458 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| @@ -0,0 +1,74 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
||
| // Using fully qualified name for Pair class, since Calcite also has a same class name being used in the Parser.jj | ||
| org.apache.druid.java.util.common.Pair<Granularity, String> PartitionGranularity() : | ||
| { | ||
| SqlNode e; | ||
| Granularity granularity; | ||
| String unparseString; | ||
| } | ||
| { | ||
| ( | ||
| <HOUR> | ||
| { | ||
| granularity = Granularities.HOUR; | ||
| unparseString = "HOUR"; | ||
| } | ||
| | | ||
| <DAY> | ||
| { | ||
| granularity = Granularities.DAY; | ||
| unparseString = "DAY"; | ||
| } | ||
| | | ||
| <MONTH> | ||
| { | ||
| granularity = Granularities.MONTH; | ||
| unparseString = "MONTH"; | ||
| } | ||
| | | ||
| <YEAR> | ||
| { | ||
| granularity = Granularities.YEAR; | ||
| unparseString = "YEAR"; | ||
| } | ||
| | | ||
| <ALL> | ||
| { | ||
| granularity = Granularities.ALL; | ||
| unparseString = "ALL"; | ||
| } | ||
| [ | ||
| <TIME> | ||
| { | ||
| unparseString += " TIME"; | ||
| } | ||
| ] | ||
| | | ||
| e = Expression(ExprContext.ACCEPT_SUB_QUERY) | ||
| { | ||
| granularity = DruidSqlParserUtils.convertSqlNodeToGranularityThrowingParseExceptions(e); | ||
| unparseString = e.toString(); | ||
| } | ||
| ) | ||
| { | ||
| return new org.apache.druid.java.util.common.Pair(granularity, unparseString); | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| @@ -62,6 +62,8 @@ SqlNode DruidQueryOrSqlQueryOrDml() : | ||
| { | ||
| ( | ||
| stmt = DruidSqlInsertEof() | ||
| | | ||
| stmt = DruidSqlReplaceEof() | ||
| | | ||
| stmt = SqlQueryOrDml() | ||
| ) | ||
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| @@ -0,0 +1,78 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
||
| // Taken from syntax of SqlInsert statement from calcite parser, edited for replace syntax | ||
| SqlNode DruidSqlReplaceEof() : | ||
| { | ||
| SqlNode table; | ||
| SqlNode source; | ||
| SqlNodeList columnList = null; | ||
| final Span s; | ||
| SqlInsert sqlInsert; | ||
| // Using fully qualified name for Pair class, since Calcite also has a same class name being used in the Parser.jj | ||
| org.apache.druid.java.util.common.Pair<Granularity, String> partitionedBy = new org.apache.druid.java.util.common.Pair(null, null); | ||
| final Pair<SqlNodeList, SqlNodeList> p; | ||
| final SqlNode replaceTimeQuery; | ||
| } | ||
| { | ||
| <REPLACE> { s = span(); } | ||
| <INTO> | ||
| table = CompoundIdentifier() | ||
| [ | ||
| p = ParenthesizedCompoundIdentifierList() { | ||
| if (p.left.size() > 0) { | ||
| columnList = p.left; | ||
| } | ||
| } | ||
| ] | ||
| <OVERWRITE> | ||
| replaceTimeQuery = ReplaceTimeQuery() | ||
| source = OrderedQueryOrExpr(ExprContext.ACCEPT_QUERY) | ||
| // PARTITIONED BY is necessary, but is kept optional in the grammar. It is asserted that it is not missing in the | ||
| // DruidSqlInsert constructor so that we can return a custom error message. | ||
| [ | ||
| <PARTITIONED> <BY> | ||
| partitionedBy = PartitionGranularity() | ||
| ] | ||
| // EOF is also present in SqlStmtEof but EOF is a special case and a single EOF can be consumed multiple times. | ||
| // The reason for adding EOF here is to ensure that we create a DruidSqlReplace node after the syntax has been | ||
| // validated and throw SQL syntax errors before performing validations in the DruidSqlReplace which can overshadow the | ||
| // actual error message. | ||
| <EOF> | ||
| { | ||
| sqlInsert = new SqlInsert(s.end(source), SqlNodeList.EMPTY, table, source, columnList); | ||
| return new DruidSqlReplace(sqlInsert, partitionedBy.lhs, partitionedBy.rhs, replaceTimeQuery); | ||
| } | ||
| } | ||
|
|
||
| SqlNode ReplaceTimeQuery() : | ||
| { | ||
| SqlNode replaceQuery; | ||
| } | ||
| { | ||
| ( | ||
| <ALL> { replaceQuery = SqlLiteral.createCharString("ALL", getPos()); } | ||
| | | ||
| // We parse all types of conditions and throw an exception if it is not supported to keep the parsing simple | ||
| replaceQuery = WhereOpt() | ||
| ) | ||
| { | ||
| return replaceQuery; | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.