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https://github.com/tencentmusic/supersonic.git
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(improvement)(headless)Optimize compatibility and robustness in ontology query translation.
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@@ -2,19 +2,11 @@ package com.tencent.supersonic.common.calcite;
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import com.tencent.supersonic.common.pojo.enums.EngineType;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.calcite.sql.SqlIdentifier;
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import org.apache.calcite.sql.SqlLiteral;
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import org.apache.calcite.sql.SqlNode;
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import org.apache.calcite.sql.SqlNodeList;
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import org.apache.calcite.sql.SqlOrderBy;
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import org.apache.calcite.sql.SqlSelect;
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import org.apache.calcite.sql.SqlWith;
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import org.apache.calcite.sql.SqlWithItem;
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import org.apache.calcite.sql.SqlWriterConfig;
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import org.apache.calcite.sql.parser.SqlParseException;
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import org.apache.calcite.sql.parser.SqlParser;
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import org.apache.calcite.sql.parser.SqlParserPos;
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import org.apache.calcite.sql.pretty.SqlPrettyWriter;
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import net.sf.jsqlparser.expression.Alias;
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import net.sf.jsqlparser.parser.CCJSqlParserUtil;
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import net.sf.jsqlparser.statement.select.ParenthesedSelect;
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import net.sf.jsqlparser.statement.select.Select;
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import net.sf.jsqlparser.statement.select.WithItem;
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import java.util.ArrayList;
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import java.util.List;
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@@ -22,85 +14,37 @@ import java.util.List;
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@Slf4j
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public class SqlMergeWithUtils {
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public static String mergeWith(EngineType engineType, String sql, List<String> parentSqlList,
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List<String> parentWithNameList) throws SqlParseException {
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SqlParser.Config parserConfig = Configuration.getParserConfig(engineType);
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List<String> parentWithNameList) throws Exception {
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// Parse the main SQL statement
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SqlParser parser = SqlParser.create(sql, parserConfig);
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SqlNode sqlNode1 = parser.parseQuery();
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Select selectStatement = (Select) CCJSqlParserUtil.parse(sql);
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List<WithItem> withItemList = new ArrayList<>();
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// List to hold all WITH items
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List<SqlNode> withItemList = new ArrayList<>();
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// Iterate over each parentSql and parentWithName pair
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for (int i = 0; i < parentSqlList.size(); i++) {
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String parentSql = parentSqlList.get(i);
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String parentWithName = parentWithNameList.get(i);
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// Parse the parent SQL statement
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parser = SqlParser.create(parentSql, parserConfig);
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SqlNode sqlNode2 = parser.parseQuery();
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Select parentSelect = (Select) CCJSqlParserUtil.parse(parentSql);
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ParenthesedSelect select = new ParenthesedSelect();
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select.setSelect(parentSelect);
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// Create a new WITH item for parentWithName without quotes
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SqlWithItem withItem = new SqlWithItem(SqlParserPos.ZERO,
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new SqlIdentifier(parentWithName, SqlParserPos.ZERO), null, sqlNode2,
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SqlLiteral.createBoolean(false, SqlParserPos.ZERO));
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WithItem withItem = new WithItem();
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withItem.setAlias(new Alias(parentWithName));
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withItem.setSelect(select);
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// Add the new WITH item to the list
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withItemList.add(withItem);
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}
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// Check if the main SQL node contains an ORDER BY or LIMIT clause
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SqlNode limitNode = null;
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SqlNodeList orderByList = null;
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if (sqlNode1 instanceof SqlOrderBy) {
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SqlOrderBy sqlOrderBy = (SqlOrderBy) sqlNode1;
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limitNode = sqlOrderBy.fetch;
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orderByList = sqlOrderBy.orderList;
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sqlNode1 = sqlOrderBy.query;
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} else if (sqlNode1 instanceof SqlSelect) {
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SqlSelect sqlSelect = (SqlSelect) sqlNode1;
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limitNode = sqlSelect.getFetch();
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sqlSelect.setFetch(null);
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sqlNode1 = sqlSelect;
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// Extract existing WITH items from mainSelectBody if it has any
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if (selectStatement.getWithItemsList() != null) {
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withItemList.addAll(selectStatement.getWithItemsList());
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}
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// Extract existing WITH items from sqlNode1 if it is a SqlWith
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if (sqlNode1 instanceof SqlWith) {
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SqlWith sqlWith = (SqlWith) sqlNode1;
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withItemList.addAll(sqlWith.withList.getList());
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sqlNode1 = sqlWith.body;
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}
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// Set the new WITH items list to the main select body
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selectStatement.setWithItemsList(withItemList);
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// Create a new SqlWith node
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SqlWith finalSqlNode = new SqlWith(SqlParserPos.ZERO,
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new SqlNodeList(withItemList, SqlParserPos.ZERO), sqlNode1);
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// If there was an ORDER BY or LIMIT clause, wrap the finalSqlNode in a SqlOrderBy
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SqlNode resultNode = finalSqlNode;
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if (orderByList != null || limitNode != null) {
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resultNode = new SqlOrderBy(SqlParserPos.ZERO, finalSqlNode,
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orderByList != null ? orderByList : SqlNodeList.EMPTY, null, limitNode);
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}
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// Custom SqlPrettyWriter configuration to avoid quoting identifiers
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SqlWriterConfig config = Configuration.getSqlWriterConfig(engineType);
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// Pretty print the final SQL
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SqlPrettyWriter writer = new SqlPrettyWriter(config);
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return writer.format(resultNode);
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}
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public static boolean hasWith(EngineType engineType, String sql) throws SqlParseException {
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SqlParser.Config parserConfig = Configuration.getParserConfig(engineType);
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SqlParser parser = SqlParser.create(sql, parserConfig);
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SqlNode sqlNode = parser.parseQuery();
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SqlNode sqlSelect = sqlNode;
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if (sqlNode instanceof SqlOrderBy) {
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SqlOrderBy sqlOrderBy = (SqlOrderBy) sqlNode;
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sqlSelect = sqlOrderBy.query;
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} else if (sqlNode instanceof SqlSelect) {
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sqlSelect = (SqlSelect) sqlNode;
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}
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return sqlSelect instanceof SqlWith;
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return selectStatement.toString();
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}
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}
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@@ -989,6 +989,15 @@ public class SqlSelectHelper {
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for (SelectItem selectItem : selectItems) {
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selectItem.accept(visitor);
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}
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if (plainSelect.getHaving() != null) {
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plainSelect.getHaving().accept(visitor);
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}
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if (!CollectionUtils.isEmpty(plainSelect.getOrderByElements())) {
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for (OrderByElement orderByElement : plainSelect.getOrderByElements()) {
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orderByElement.getExpression().accept(visitor);
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}
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}
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return !visitor.getFunctionNames().isEmpty();
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}
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