[improvement][headless]Release brand new version of Translator module.
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This commit is contained in:
jerryjzhang
2025-01-05 00:00:18 +08:00
91 changed files with 1965 additions and 3158 deletions

View File

@@ -1,13 +1,10 @@
package com.tencent.supersonic.common.jsqlparser;
import net.sf.jsqlparser.expression.Alias;
import net.sf.jsqlparser.expression.BinaryExpression;
import net.sf.jsqlparser.expression.Expression;
import net.sf.jsqlparser.expression.ExpressionVisitorAdapter;
import net.sf.jsqlparser.expression.Function;
import net.sf.jsqlparser.expression.*;
import net.sf.jsqlparser.parser.CCJSqlParserUtil;
import net.sf.jsqlparser.schema.Column;
import net.sf.jsqlparser.statement.select.SelectItem;
import org.apache.commons.lang3.StringUtils;
import java.util.Map;
import java.util.Objects;
@@ -50,7 +47,8 @@ public class QueryExpressionReplaceVisitor extends ExpressionVisitorAdapter {
String columnName = "";
if (expression instanceof Function) {
Function leftFunc = (Function) expression;
if (leftFunc.getParameters().getExpressions().get(0) instanceof Column) {
if (Objects.nonNull(leftFunc.getParameters())
&& leftFunc.getParameters().getExpressions().get(0) instanceof Column) {
Column column = (Column) leftFunc.getParameters().getExpressions().get(0);
columnName = column.getColumnName();
toReplace = getReplaceExpr(leftFunc, fieldExprMap);
@@ -75,7 +73,10 @@ public class QueryExpressionReplaceVisitor extends ExpressionVisitorAdapter {
public static Expression replace(Expression expression, Map<String, String> fieldExprMap) {
String toReplace = "";
if (expression instanceof Function) {
toReplace = getReplaceExpr((Function) expression, fieldExprMap);
Function function = (Function) expression;
if (function.getParameters().getExpressions().get(0) instanceof Column) {
toReplace = getReplaceExpr((Function) expression, fieldExprMap);
}
}
if (expression instanceof Column) {
toReplace = getReplaceExpr((Column) expression, fieldExprMap);
@@ -109,6 +110,16 @@ public class QueryExpressionReplaceVisitor extends ExpressionVisitorAdapter {
public static String getReplaceExpr(Function function, Map<String, String> fieldExprMap) {
Column column = (Column) function.getParameters().getExpressions().get(0);
return getReplaceExpr(column, fieldExprMap);
String expr = getReplaceExpr(column, fieldExprMap);
// if metric expr itself has agg function then replace original function in the SQL
if (StringUtils.isBlank(expr)) {
return expr;
} else if (!SqlSelectFunctionHelper.getAggregateFunctions(expr).isEmpty()) {
return expr;
} else {
String col = getReplaceExpr(column, fieldExprMap);
column.setColumnName(col);
return function.toString();
}
}
}

View File

@@ -229,6 +229,26 @@ public class SqlReplaceHelper {
orderByElement.accept(new OrderByReplaceVisitor(fieldNameMap, exactReplace));
}
}
List<Select> selects = operationList.getSelects();
if (!CollectionUtils.isEmpty(selects)) {
for (Select select : selects) {
if (select instanceof PlainSelect) {
replaceFieldsInPlainOneSelect(fieldNameMap, exactReplace, (PlainSelect) select);
}
}
}
List<WithItem> withItems = operationList.getWithItemsList();
if (!CollectionUtils.isEmpty(withItems)) {
for (WithItem withItem : withItems) {
Select select = withItem.getSelect();
if (select instanceof PlainSelect) {
replaceFieldsInPlainOneSelect(fieldNameMap, exactReplace, (PlainSelect) select);
} else if (select instanceof ParenthesedSelect) {
replaceFieldsInPlainOneSelect(fieldNameMap, exactReplace,
select.getPlainSelect());
}
}
}
}
public static String replaceFunction(String sql, Map<String, String> functionMap) {
@@ -611,7 +631,14 @@ public class SqlReplaceHelper {
Select selectStatement = SqlSelectHelper.getSelect(sql);
List<PlainSelect> plainSelectList = new ArrayList<>();
if (selectStatement instanceof PlainSelect) {
plainSelectList.add((PlainSelect) selectStatement);
// if with statement exists, replace expression in the with statement.
if (!CollectionUtils.isEmpty(selectStatement.getWithItemsList())) {
selectStatement.getWithItemsList().forEach(withItem -> {
plainSelectList.add(withItem.getSelect().getPlainSelect());
});
} else {
plainSelectList.add((PlainSelect) selectStatement);
}
} else if (selectStatement instanceof SetOperationList) {
SetOperationList setOperationList = (SetOperationList) selectStatement;
if (!CollectionUtils.isEmpty(setOperationList.getSelects())) {
@@ -620,12 +647,35 @@ public class SqlReplaceHelper {
plainSelectList.add(subPlainSelect);
});
}
List<Select> selects = setOperationList.getSelects();
if (!CollectionUtils.isEmpty(selects)) {
for (Select select : selects) {
if (select instanceof PlainSelect) {
plainSelectList.add((PlainSelect) select);
}
}
}
List<WithItem> withItems = setOperationList.getWithItemsList();
if (!CollectionUtils.isEmpty(withItems)) {
for (WithItem withItem : withItems) {
Select select = withItem.getSelect();
if (select instanceof PlainSelect) {
plainSelectList.add((PlainSelect) select);
} else if (select instanceof ParenthesedSelect) {
plainSelectList.add(select.getPlainSelect());
}
}
}
} else {
return sql;
}
List<PlainSelect> plainSelects = SqlSelectHelper.getPlainSelects(plainSelectList);
for (PlainSelect plainSelect : plainSelects) {
replacePlainSelectByExpr(plainSelect, replace);
if (SqlSelectHelper.hasAggregateFunction(plainSelect)) {
SqlSelectHelper.addMissingGroupby(plainSelect);
}
}
return selectStatement.toString();
}

View File

@@ -714,61 +714,61 @@ public class SqlSelectHelper {
return table.getFullyQualifiedName();
}
public static Set<String> getColumnFromExpr(String expr) {
public static Set<String> getFieldsFromExpr(String expr) {
Expression expression = QueryExpressionReplaceVisitor.getExpression(expr);
Set<String> columns = new HashSet<>();
if (Objects.nonNull(expression)) {
getColumnFromExpr(expression, columns);
getFieldsFromExpr(expression, columns);
}
return columns;
}
public static void getColumnFromExpr(Expression expression, Set<String> columns) {
public static void getFieldsFromExpr(Expression expression, Set<String> columns) {
if (expression instanceof Column) {
columns.add(((Column) expression).getColumnName());
}
if (expression instanceof Function) {
ExpressionList<?> expressionList = ((Function) expression).getParameters();
for (Expression expr : expressionList) {
getColumnFromExpr(expr, columns);
getFieldsFromExpr(expr, columns);
}
}
if (expression instanceof CaseExpression) {
CaseExpression expr = (CaseExpression) expression;
if (Objects.nonNull(expr.getWhenClauses())) {
for (WhenClause whenClause : expr.getWhenClauses()) {
getColumnFromExpr(whenClause.getWhenExpression(), columns);
getColumnFromExpr(whenClause.getThenExpression(), columns);
getFieldsFromExpr(whenClause.getWhenExpression(), columns);
getFieldsFromExpr(whenClause.getThenExpression(), columns);
}
}
if (Objects.nonNull(expr.getElseExpression())) {
getColumnFromExpr(expr.getElseExpression(), columns);
getFieldsFromExpr(expr.getElseExpression(), columns);
}
}
if (expression instanceof BinaryExpression) {
BinaryExpression expr = (BinaryExpression) expression;
getColumnFromExpr(expr.getLeftExpression(), columns);
getColumnFromExpr(expr.getRightExpression(), columns);
getFieldsFromExpr(expr.getLeftExpression(), columns);
getFieldsFromExpr(expr.getRightExpression(), columns);
}
if (expression instanceof InExpression) {
InExpression inExpression = (InExpression) expression;
getColumnFromExpr(inExpression.getLeftExpression(), columns);
getFieldsFromExpr(inExpression.getLeftExpression(), columns);
}
if (expression instanceof Between) {
Between between = (Between) expression;
getColumnFromExpr(between.getLeftExpression(), columns);
getFieldsFromExpr(between.getLeftExpression(), columns);
}
if (expression instanceof IsBooleanExpression) {
IsBooleanExpression isBooleanExpression = (IsBooleanExpression) expression;
getColumnFromExpr(isBooleanExpression.getLeftExpression(), columns);
getFieldsFromExpr(isBooleanExpression.getLeftExpression(), columns);
}
if (expression instanceof IsNullExpression) {
IsNullExpression isNullExpression = (IsNullExpression) expression;
getColumnFromExpr(isNullExpression.getLeftExpression(), columns);
getFieldsFromExpr(isNullExpression.getLeftExpression(), columns);
}
if (expression instanceof Parenthesis) {
Parenthesis expr = (Parenthesis) expression;
getColumnFromExpr(expr.getExpression(), columns);
getFieldsFromExpr(expr.getExpression(), columns);
}
}
@@ -949,4 +949,31 @@ public class SqlSelectHelper {
}
});
}
public static void addMissingGroupby(PlainSelect plainSelect) {
if (Objects.nonNull(plainSelect.getGroupBy())
&& !plainSelect.getGroupBy().getGroupByExpressionList().isEmpty()) {
return;
}
GroupByElement groupBy = new GroupByElement();
for (SelectItem selectItem : plainSelect.getSelectItems()) {
Expression expression = selectItem.getExpression();
if (expression instanceof Column) {
groupBy.addGroupByExpression(expression);
}
}
if (!groupBy.getGroupByExpressionList().isEmpty()) {
plainSelect.setGroupByElement(groupBy);
}
}
public static boolean hasAggregateFunction(PlainSelect plainSelect) {
List<SelectItem<?>> selectItems = plainSelect.getSelectItems();
FunctionVisitor visitor = new FunctionVisitor();
for (SelectItem selectItem : selectItems) {
selectItem.accept(visitor);
}
return !visitor.getFunctionNames().isEmpty();
}
}

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@@ -2,8 +2,10 @@ package com.tencent.supersonic.common.jsqlparser;
import com.tencent.supersonic.common.jsqlparser.DateVisitor.DateBoundInfo;
import org.junit.Assert;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
@Disabled
class SqlDateSelectHelperTest {
@Test