diff --git a/fe/fe-core/src/main/java/org/apache/doris/common/profile/SummaryProfile.java b/fe/fe-core/src/main/java/org/apache/doris/common/profile/SummaryProfile.java
index 2cc8eff6df9bb2..a37070962f7336 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/common/profile/SummaryProfile.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/common/profile/SummaryProfile.java
@@ -599,7 +599,9 @@ public void setQueryDistributedFinishTime() {
     }
 
     public void setQueryPlanFinishTime() {
-        this.queryPlanFinishTime = TimeUtils.getStartTimeMs();
+        if (queryPlanFinishTime == -1) {
+            this.queryPlanFinishTime = TimeUtils.getStartTimeMs();
+        }
     }
 
     public void setQueryScheduleFinishTime() {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/MappingSlot.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/MappingSlot.java
index c7a020fd2abddf..2e9e84195508b1 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/MappingSlot.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/MappingSlot.java
@@ -77,7 +77,7 @@ public boolean nullable() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return slot.toSql();
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundAlias.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundAlias.java
index 2be2130aba71d4..25d40dd5981194 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundAlias.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundAlias.java
@@ -59,7 +59,7 @@ public DataType getDataType() throws UnboundException {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         StringBuilder stringBuilder = new StringBuilder();
         stringBuilder.append("(" + child() + ")");
         alias.ifPresent(name -> stringBuilder.append(" AS " + name));
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundFunction.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundFunction.java
index a53917f08cd8d0..b4b21e40dcd4df 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundFunction.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundFunction.java
@@ -115,7 +115,7 @@ public List<Expression> getArguments() {
     }
 
     @Override
-    public String toSql() throws UnboundException {
+    public String computeToSql() throws UnboundException {
         String params = children.stream()
                 .map(Expression::toSql)
                 .collect(Collectors.joining(", "));
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundSlot.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundSlot.java
index f85812569804aa..fdcb9547837686 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundSlot.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundSlot.java
@@ -81,8 +81,18 @@ public String getInternalName() {
     }
 
     @Override
-    public String toSql() {
-        return nameParts.stream().map(Utils::quoteIfNeeded).reduce((left, right) -> left + "." + right).orElse("");
+    public String computeToSql() {
+        switch (nameParts.size()) {
+            case 1: return Utils.quoteIfNeeded(nameParts.get(0));
+            case 2: return Utils.quoteIfNeeded(nameParts.get(0)) + "." + Utils.quoteIfNeeded(nameParts.get(1));
+            case 3: return Utils.quoteIfNeeded(nameParts.get(0)) + "." + Utils.quoteIfNeeded(nameParts.get(1))
+                    + "." + Utils.quoteIfNeeded(nameParts.get(2));
+            default: {
+                return nameParts.stream().map(Utils::quoteIfNeeded)
+                        .reduce((left, right) -> left + "." + right)
+                        .orElse("");
+            }
+        }
     }
 
     public static UnboundSlot quoted(String name) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundStar.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundStar.java
index 2875036eb07493..0a0c3031f4e131 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundStar.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/analyzer/UnboundStar.java
@@ -52,7 +52,7 @@ public UnboundStar(List<String> qualifier, Optional<Pair<Integer, Integer>> inde
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return Utils.qualifiedName(qualifier, "*");
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/NereidsParser.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/NereidsParser.java
index 34646c1d657953..4ed71bbbc14673 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/NereidsParser.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/parser/NereidsParser.java
@@ -23,7 +23,9 @@
 import org.apache.doris.common.Pair;
 import org.apache.doris.nereids.DorisLexer;
 import org.apache.doris.nereids.DorisParser;
+import org.apache.doris.nereids.DorisParser.NonReservedContext;
 import org.apache.doris.nereids.StatementContext;
+import org.apache.doris.nereids.analyzer.UnboundSlot;
 import org.apache.doris.nereids.glue.LogicalPlanAdapter;
 import org.apache.doris.nereids.parser.plsql.PLSqlLogicalPlanBuilder;
 import org.apache.doris.nereids.trees.expressions.Expression;
@@ -35,6 +37,8 @@
 import org.apache.doris.qe.ConnectContext;
 import org.apache.doris.qe.SessionVariable;
 
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import org.antlr.v4.runtime.CharStreams;
@@ -45,14 +49,17 @@
 import org.antlr.v4.runtime.TokenSource;
 import org.antlr.v4.runtime.atn.PredictionMode;
 import org.antlr.v4.runtime.misc.ParseCancellationException;
+import org.antlr.v4.runtime.tree.TerminalNode;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+import java.lang.reflect.Method;
 import java.util.BitSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.Set;
 import java.util.function.Function;
 import javax.annotation.Nullable;
 
@@ -66,6 +73,9 @@ public class NereidsParser {
 
     private static final BitSet EXPLAIN_TOKENS = new BitSet();
 
+    private static final Set<String> NON_RESERVED_KEYWORDS;
+    private static final Map<String, Integer> LITERAL_TOKENS;
+
     static {
         EXPLAIN_TOKENS.set(DorisLexer.EXPLAIN);
         EXPLAIN_TOKENS.set(DorisLexer.PARSED);
@@ -77,6 +87,25 @@ public class NereidsParser {
         EXPLAIN_TOKENS.set(DorisLexer.PLAN);
         EXPLAIN_TOKENS.set(DorisLexer.PROCESS);
 
+        ImmutableSet.Builder<String> nonReserveds = ImmutableSet.builder();
+        for (Method declaredMethod : NonReservedContext.class.getDeclaredMethods()) {
+            if (TerminalNode.class.equals(declaredMethod.getReturnType())
+                    && declaredMethod.getName().toUpperCase().equals(declaredMethod.getName())
+                    && declaredMethod.getParameterTypes().length == 0) {
+                String nonReserved = declaredMethod.getName();
+                nonReserveds.add(nonReserved);
+            }
+        }
+        NON_RESERVED_KEYWORDS = nonReserveds.build();
+
+        ImmutableMap.Builder<String, Integer> literalToTokenType = ImmutableMap.builder();
+        for (int tokenType = 0; tokenType <= DorisLexer.VOCABULARY.getMaxTokenType(); tokenType++) {
+            String literalName = DorisLexer.VOCABULARY.getLiteralName(tokenType);
+            if (literalName != null) {
+                literalToTokenType.put(literalName.substring(1, literalName.length() - 1), tokenType);
+            }
+        }
+        LITERAL_TOKENS = literalToTokenType.build();
     }
 
     /**
@@ -256,9 +285,33 @@ public List<Pair<LogicalPlan, StatementContext>> parseMultiple(String sql,
     }
 
     public Expression parseExpression(String expression) {
+        if (isSimpleIdentifier(expression)) {
+            return new UnboundSlot(expression);
+        }
         return parse(expression, DorisParser::expression);
     }
 
+    private static boolean isSimpleIdentifier(String expression) {
+        if (expression == null || expression.isEmpty()) {
+            return false;
+        }
+
+        boolean hasLetter = false;
+        for (int i = 0; i < expression.length(); i++) {
+            char c = expression.charAt(i);
+            if ((('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '_' || c == '$')) {
+                hasLetter = true;
+            } else if (!('0' <= c && c <= '9')) {
+                return false;
+            }
+        }
+        if (!hasLetter) {
+            return false;
+        }
+        String upperCase = expression.toUpperCase();
+        return (NON_RESERVED_KEYWORDS.contains(upperCase) || !LITERAL_TOKENS.containsKey(upperCase));
+    }
+
     public DataType parseDataType(String dataType) {
         return parse(dataType, DorisParser::dataType);
     }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/mv/AbstractSelectMaterializedIndexRule.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/mv/AbstractSelectMaterializedIndexRule.java
index e8679eaba9c767..ceb496bc5c3ccc 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/mv/AbstractSelectMaterializedIndexRule.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/mv/AbstractSelectMaterializedIndexRule.java
@@ -219,8 +219,9 @@ public static String parseMvColumnToMvName(String mvName, Optional<String> aggTy
     }
 
     protected static boolean containsAllColumn(Expression expression, Set<String> mvColumnNames) {
-        if (mvColumnNames.contains(expression.toSql()) || mvColumnNames
-                .contains(org.apache.doris.analysis.CreateMaterializedViewStmt.mvColumnBreaker(expression.toSql()))) {
+        String sql = expression.toSql();
+        if (mvColumnNames.contains(sql) || mvColumnNames
+                .contains(org.apache.doris.analysis.CreateMaterializedViewStmt.mvColumnBreaker(sql))) {
             return true;
         }
         if (expression.children().isEmpty()) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/mv/SelectMaterializedIndexWithAggregate.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/mv/SelectMaterializedIndexWithAggregate.java
index 468b9cf659c5b2..fa03165b37c337 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/mv/SelectMaterializedIndexWithAggregate.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/mv/SelectMaterializedIndexWithAggregate.java
@@ -625,9 +625,13 @@ private SelectResult select(LogicalOlapScan scan, Set<Slot> requiredScanOutput,
                         aggFuncsDiff(aggregateFunctions, aggRewriteResult), groupingExprs).isOn())
                 .collect(Collectors.toSet());
 
+        Set<MaterializedIndex> candidatesWithRewritingIndexes = candidatesWithRewriting.stream()
+                .map(result -> result.index)
+                .collect(Collectors.toSet());
+
         Set<MaterializedIndex> candidatesWithoutRewriting = indexesGroupByIsBaseOrNot
                 .getOrDefault(false, ImmutableList.of()).stream()
-                .filter(index -> !candidatesWithRewriting.contains(index))
+                .filter(index -> !candidatesWithRewritingIndexes.contains(index))
                 .filter(index -> preAggEnabledByHint(scan)
                         || checkPreAggStatus(scan, index.getId(), predicates, aggregateFunctions, groupingExprs).isOn())
                 .collect(Collectors.toSet());
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/AggregateExpression.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/AggregateExpression.java
index 2e20dd05180a71..86d7eb72382300 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/AggregateExpression.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/AggregateExpression.java
@@ -100,7 +100,7 @@ public AggregateExpression withChildren(List<Expression> children) {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         if (aggregateParam.aggMode.productAggregateBuffer) {
             return "partial_" + function.toSql();
         } else {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Alias.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Alias.java
index 9eea3afd879e67..53a82011ac4c3c 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Alias.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Alias.java
@@ -124,7 +124,7 @@ public DataType getDataType() throws UnboundException {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return child().toSql() + " AS `" + name.get() + "`";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ArrayItemReference.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ArrayItemReference.java
index c54ad358561d8e..edc074af2b513a 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ArrayItemReference.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ArrayItemReference.java
@@ -92,7 +92,7 @@ public DataType getDataType() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return child(0).toSql();
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/BinaryOperator.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/BinaryOperator.java
index 750f3a77881430..f699e7531f6207 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/BinaryOperator.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/BinaryOperator.java
@@ -49,7 +49,7 @@ public List<DataType> expectedInputTypes() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return "(" + left().toSql() + " " + symbol + " " + right().toSql() + ")";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/BoundStar.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/BoundStar.java
index 8b4bffad3fc817..0789d9a65279db 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/BoundStar.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/BoundStar.java
@@ -35,7 +35,7 @@ public BoundStar(List<Slot> children) {
         );
     }
 
-    public String toSql() {
+    public String computeToSql() {
         return children.stream().map(Expression::toSql).collect(Collectors.joining(", "));
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/CaseWhen.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/CaseWhen.java
index bd48b648a73dfb..0c3687f57153f2 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/CaseWhen.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/CaseWhen.java
@@ -111,7 +111,7 @@ public String toString() {
     }
 
     @Override
-    public String toSql() throws UnboundException {
+    public String computeToSql() throws UnboundException {
         StringBuilder output = new StringBuilder("CASE");
         for (Expression child : children()) {
             if (child instanceof WhenClause) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Cast.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Cast.java
index 9122f0f4adbb0a..20f8079bd9f141 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Cast.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Cast.java
@@ -95,7 +95,7 @@ public Cast withChildren(List<Expression> children) {
     }
 
     @Override
-    public String toSql() throws UnboundException {
+    public String computeToSql() throws UnboundException {
         return "cast(" + child().toSql() + " as " + targetType.toSql() + ")";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Exists.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Exists.java
index 3d3bd17c70e12c..8d097d0faa6f45 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Exists.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Exists.java
@@ -65,8 +65,8 @@ public DataType getDataType() throws UnboundException {
     }
 
     @Override
-    public String toSql() {
-        return "EXISTS (SUBQUERY) " + super.toSql();
+    public String computeToSql() {
+        return "EXISTS (SUBQUERY) " + super.computeToSql();
     }
 
     @Override
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Expression.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Expression.java
index 6063ad2b1cd6d1..ab33ccfbfe4702 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Expression.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Expression.java
@@ -21,6 +21,7 @@
 import org.apache.doris.nereids.analyzer.Unbound;
 import org.apache.doris.nereids.analyzer.UnboundVariable;
 import org.apache.doris.nereids.exceptions.AnalysisException;
+import org.apache.doris.nereids.exceptions.UnboundException;
 import org.apache.doris.nereids.trees.AbstractTreeNode;
 import org.apache.doris.nereids.trees.expressions.ArrayItemReference.ArrayItemSlot;
 import org.apache.doris.nereids.trees.expressions.functions.ExpressionTrait;
@@ -69,6 +70,7 @@ public abstract class Expression extends AbstractTreeNode<Expression> implements
     private final Supplier<Set<Slot>> inputSlots = Suppliers.memoize(
             () -> collect(e -> e instanceof Slot && !(e instanceof ArrayItemSlot)));
     private final int fastChildrenHashCode;
+    private final Supplier<String> toSqlCache = Suppliers.memoize(this::computeToSql);
 
     protected Expression(Expression... children) {
         super(children);
@@ -226,6 +228,10 @@ public int fastChildrenHashCode() {
         return fastChildrenHashCode;
     }
 
+    protected String computeToSql() {
+        throw new UnboundException("sql");
+    }
+
     protected TypeCheckResult checkInputDataTypesInternal() {
         return TypeCheckResult.SUCCESS;
     }
@@ -317,6 +323,10 @@ public boolean isInferred() {
         return inferred;
     }
 
+    public final String toSql() {
+        return toSqlCache.get();
+    }
+
     @Override
     public Expression withChildren(List<Expression> children) {
         throw new RuntimeException();
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/InPredicate.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/InPredicate.java
index 53a753c4535dd1..b8c0cf54471901 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/InPredicate.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/InPredicate.java
@@ -122,7 +122,7 @@ public String toString() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return compareExpr.toSql() + " IN " + options.stream()
             .map(Expression::toSql).sorted()
             .collect(Collectors.joining(", ", "(", ")"));
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/InSubquery.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/InSubquery.java
index 8b7d0518181fda..71dc1f5eb4f08f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/InSubquery.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/InSubquery.java
@@ -77,8 +77,8 @@ public boolean nullable() throws UnboundException {
     }
 
     @Override
-    public String toSql() {
-        return this.compareExpr.toSql() + " IN (" + super.toSql() + ")";
+    public String computeToSql() {
+        return this.compareExpr.toSql() + " IN (" + super.computeToSql() + ")";
     }
 
     @Override
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/IsNull.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/IsNull.java
index 7bb8538fc75031..22216a84bafe87 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/IsNull.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/IsNull.java
@@ -55,7 +55,7 @@ public IsNull withChildren(List<Expression> children) {
     }
 
     @Override
-    public String toSql() throws UnboundException {
+    public String computeToSql() throws UnboundException {
         return child().toSql() + " IS NULL";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ListQuery.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ListQuery.java
index 214525d2594580..16dade740b9422 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ListQuery.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ListQuery.java
@@ -48,8 +48,8 @@ public DataType getDataType() {
     }
 
     @Override
-    public String toSql() {
-        return " (LISTQUERY) " + super.toSql();
+    public String computeToSql() {
+        return " (LISTQUERY) " + super.computeToSql();
     }
 
     @Override
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Match.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Match.java
index d9dcde287d3884..405e3cb8fe4612 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Match.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Match.java
@@ -76,7 +76,7 @@ public boolean nullable() throws UnboundException {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return "(" + left().toSql() + " " + symbol + " " + right().toSql() + ")";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Not.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Not.java
index 5061cab5ac9631..b001da9118fea3 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Not.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Not.java
@@ -102,7 +102,7 @@ public String toString() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return "( not " + child().toSql() + ")";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/OrderExpression.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/OrderExpression.java
index d09fe2c0a00ed3..7e33d4315d81ad 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/OrderExpression.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/OrderExpression.java
@@ -81,7 +81,7 @@ public String toString() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return orderKey.toSql();
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Placeholder.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Placeholder.java
index c79c2d9db6d0e9..3ce8cdb017f9b8 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Placeholder.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Placeholder.java
@@ -66,7 +66,7 @@ public String toString() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return "?";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Properties.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Properties.java
index db0c78c1f78f57..d604e919e31d17 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Properties.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Properties.java
@@ -56,7 +56,7 @@ public DataType getDataType() throws UnboundException {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return getMap()
                 .entrySet()
                 .stream()
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ScalarSubquery.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ScalarSubquery.java
index 178debe7db83a5..25a7052a4acabc 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ScalarSubquery.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/ScalarSubquery.java
@@ -84,8 +84,8 @@ public DataType getDataType() throws UnboundException {
     }
 
     @Override
-    public String toSql() {
-        return " (SCALARSUBQUERY) " + super.toSql();
+    public String computeToSql() {
+        return " (SCALARSUBQUERY) " + super.computeToSql();
     }
 
     @Override
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/SlotReference.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/SlotReference.java
index 679c8ab73bd9a8..fb7d0a32303b19 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/SlotReference.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/SlotReference.java
@@ -183,7 +183,7 @@ public Optional<TableIf> getTable() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         if (subPath.isEmpty()) {
             return name.get();
         } else {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/StringRegexPredicate.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/StringRegexPredicate.java
index 8900ac928590c3..5a62be54f93d81 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/StringRegexPredicate.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/StringRegexPredicate.java
@@ -55,7 +55,7 @@ public List<FunctionSignature> getSignatures() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return '(' + left().toSql() + ' ' + getName() + ' ' + right().toSql() + ')';
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/SubqueryExpr.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/SubqueryExpr.java
index 35d0e566476880..c08fda1dc6b713 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/SubqueryExpr.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/SubqueryExpr.java
@@ -80,7 +80,7 @@ public boolean nullable() throws UnboundException {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return "(" + queryPlan + ")";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/TimestampArithmetic.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/TimestampArithmetic.java
index 888a1a0869ccbb..737778a82d1d9c 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/TimestampArithmetic.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/TimestampArithmetic.java
@@ -129,7 +129,7 @@ public String toString() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         StringBuilder strBuilder = new StringBuilder();
         if (funcName != null) {
             // Function-call like version.
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/UnaryOperator.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/UnaryOperator.java
index ace2c648daec79..61efa91f2621fc 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/UnaryOperator.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/UnaryOperator.java
@@ -46,7 +46,7 @@ public List<DataType> expectedInputTypes() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return "(" + symbol + " " + child().toSql() + ")";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Variable.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Variable.java
index fd16b84b183c7b..5944ec08744980 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Variable.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Variable.java
@@ -85,7 +85,7 @@ public String toString() throws UnboundException {
     }
 
     @Override
-    public String toSql() throws UnboundException {
+    public String computeToSql() throws UnboundException {
         return toString();
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/VariableDesc.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/VariableDesc.java
index 38f23ee40fafe9..3a16b38f9e19e0 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/VariableDesc.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/VariableDesc.java
@@ -50,7 +50,7 @@ public SetType getSetType() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return toString();
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/VirtualSlotReference.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/VirtualSlotReference.java
index 43f4853758105c..1b46a8552bafb9 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/VirtualSlotReference.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/VirtualSlotReference.java
@@ -82,7 +82,7 @@ public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return getName();
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WhenClause.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WhenClause.java
index 4ce77f22df1692..adb862bb2f1041 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WhenClause.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WhenClause.java
@@ -56,7 +56,7 @@ public Expression getResult() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return " WHEN " + left().toSql() + " THEN " + right().toSql();
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WindowExpression.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WindowExpression.java
index 5bea07fff00326..7f26298c700626 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WindowExpression.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WindowExpression.java
@@ -179,7 +179,7 @@ public int hashCode() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         StringBuilder sb = new StringBuilder();
         sb.append(function.toSql()).append(" OVER(");
         if (!partitionKeys.isEmpty()) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WindowFrame.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WindowFrame.java
index 5cbb93ce3748ea..58ed4f15f9baa0 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WindowFrame.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/WindowFrame.java
@@ -95,7 +95,7 @@ public int hashCode() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         StringBuilder sb = new StringBuilder();
         sb.append(frameUnits + " ");
         if (rightBoundary != null) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/BoundFunction.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/BoundFunction.java
index 5ccc64a34bb43b..13d4b515ad75f3 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/BoundFunction.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/BoundFunction.java
@@ -85,7 +85,7 @@ public int hashCode() {
     }
 
     @Override
-    public String toSql() throws UnboundException {
+    public String computeToSql() throws UnboundException {
         StringBuilder sql = new StringBuilder(getName()).append("(");
         int arity = arity();
         for (int i = 0; i < arity; i++) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/AggregateFunction.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/AggregateFunction.java
index 90df2f531da3fb..777c9c4cc7add5 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/AggregateFunction.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/AggregateFunction.java
@@ -107,7 +107,7 @@ public boolean hasVarArguments() {
     }
 
     @Override
-    public String toSql() throws UnboundException {
+    public String computeToSql() throws UnboundException {
         StringBuilder sql = new StringBuilder(getName()).append("(");
         if (distinct) {
             sql.append("DISTINCT ");
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Count.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Count.java
index e86e90974da1bd..21e6ee1cba6b21 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Count.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/agg/Count.java
@@ -119,11 +119,11 @@ public Count withDistinctAndChildren(boolean distinct, List<Expression> children
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         if (isStar) {
             return "count(*)";
         }
-        return super.toSql();
+        return super.computeToSql();
     }
 
     @Override
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/CryptoFunction.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/CryptoFunction.java
index 151f7ffc7732be..1e4a866ecdcc53 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/CryptoFunction.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/CryptoFunction.java
@@ -42,7 +42,7 @@ public CryptoFunction(String name, List<Expression> arguments) {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         List<String> args = Lists.newArrayList();
         for (int i = 0; i < arity(); i++) {
             if (i == 1) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/Lambda.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/Lambda.java
index e8261f6391dda9..2ecab6090d8d3f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/Lambda.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/Lambda.java
@@ -126,7 +126,7 @@ public boolean equals(Object o) {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         StringBuilder builder = new StringBuilder();
         String argStr = argumentNames.get(0);
         if (argumentNames.size() > 1) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/table/TableValuedFunction.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/table/TableValuedFunction.java
index 837edf27ab1067..4a4257e67609d0 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/table/TableValuedFunction.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/table/TableValuedFunction.java
@@ -130,7 +130,7 @@ public DataType getDataType() throws UnboundException {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         String args = getTVFProperties()
                 .getMap()
                 .entrySet()
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/ArrayLiteral.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/ArrayLiteral.java
index 486eeddabd71c8..be84a5b32e35cf 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/ArrayLiteral.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/ArrayLiteral.java
@@ -94,7 +94,7 @@ public String toString() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         String items = this.items.stream()
                 .map(Literal::toSql)
                 .collect(Collectors.joining(", "));
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateLiteral.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateLiteral.java
index 6ea1d2af725679..ed99e3025e8603 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateLiteral.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateLiteral.java
@@ -423,7 +423,7 @@ public String getStringValue() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return "'" + getStringValue() + "'";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeLiteral.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeLiteral.java
index 27470187eae0d2..17c5678b05170b 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeLiteral.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DateTimeLiteral.java
@@ -267,7 +267,7 @@ public double getDouble() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return "'" + getStringValue() + "'";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DecimalLiteral.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DecimalLiteral.java
index 4ffc92c634d709..1f0aa788cdc641 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DecimalLiteral.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DecimalLiteral.java
@@ -112,7 +112,7 @@ public boolean equals(Object o) {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return value.toPlainString();
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DecimalV3Literal.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DecimalV3Literal.java
index d8be4faf0c9395..045da28bdb38a4 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DecimalV3Literal.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/DecimalV3Literal.java
@@ -152,7 +152,7 @@ public boolean equals(Object o) {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return value.toPlainString();
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/Literal.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/Literal.java
index e8e37aaf697e24..69e61b03c82314 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/Literal.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/Literal.java
@@ -135,7 +135,7 @@ public DataType getDataType() throws UnboundException {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return toString();
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/MapLiteral.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/MapLiteral.java
index c57bd3a04875e1..dbcf74c971e069 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/MapLiteral.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/MapLiteral.java
@@ -114,7 +114,7 @@ public String toString() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         StringBuilder sb = new StringBuilder();
         sb.append("map(");
         if (!keys.isEmpty()) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/MaxLiteral.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/MaxLiteral.java
index ce1278a9ad4b26..763fdfb1f4f1f8 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/MaxLiteral.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/MaxLiteral.java
@@ -38,7 +38,7 @@ public LiteralExpr toLegacyLiteral() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         return "MAX_VALUE";
     }
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/StructLiteral.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/StructLiteral.java
index 3a46f1f5b83e7e..f44aa663c9eb03 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/StructLiteral.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/literal/StructLiteral.java
@@ -124,7 +124,7 @@ public String toString() {
     }
 
     @Override
-    public String toSql() {
+    public String computeToSql() {
         StringBuilder sb = new StringBuilder();
         sb.append("STRUCT(");
         for (int i = 0; i < fields.size(); i++) {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/util/Utils.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/util/Utils.java
index 42b99f6effdb84..c111839fc5093e 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/util/Utils.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/util/Utils.java
@@ -58,8 +58,16 @@ public class Utils {
      */
     public static String quoteIfNeeded(String part) {
         // We quote strings except the ones which consist of digits only.
-        return part.matches("\\w*[\\w&&[^\\d]]+\\w*")
-                ? part : part.replace("`", "``");
+        StringBuilder quote = new StringBuilder(part.length());
+        for (int i = 0; i < part.length(); i++) {
+            char c = part.charAt(i);
+            if (c == '`') {
+                quote.append("``");
+            } else {
+                quote.append(c);
+            }
+        }
+        return quote.toString();
     }
 
     /**