Remove debug output

src/Interpreters/ColumnNamesContext.cpp

@@ -24,8 +24,6 @@ bool ColumnNamesContext::addColumnAliasIfAny(const IAST & ast)
     if (required_names.count(alias))
         masked_columns.insert(alias);
 
-    std::cerr << "Alias: " << alias << "\n";
-
     complex_aliases.insert(alias);
     return true;
 }
@@ -35,8 +33,6 @@ void ColumnNamesContext::addColumnIdentifier(const ASTIdentifier & node)
     if (!IdentifierSemantic::getColumnName(node))
         return;
 
-    std::cerr << "Identifier: " << node.name << "\n";
-
     /// There should be no complex cases after query normalization. Names to aliases: one-to-many.
     String alias = node.tryGetAlias();
     required_names[node.name].addInclusion(alias);

src/Interpreters/ExpressionAnalyzer.cpp

@@ -559,9 +559,6 @@ JoinPtr SelectQueryExpressionAnalyzer::makeTableJoin(const ASTTablesInSelectQuer
         /// Actions which need to be calculated on joined block.
         ExpressionActionsPtr joined_block_actions = createJoinedBlockActions(context, analyzedJoin());
 
-        std::cerr << "Joined block actions: " << joined_block_actions->getSampleBlock().dumpStructure()
-            << "\n\n" << toString(joined_block_actions->getRequiredColumns()) << "\n";
-
         if (!subquery_for_join.source)
         {
             NamesWithAliases required_columns_with_aliases =

src/Interpreters/SyntaxAnalyzer.cpp

@@ -638,13 +638,9 @@ void SyntaxAnalyzerResult::collectUsedColumns(const ASTPtr & query)
     /// We calculate required_source_columns with source_columns modifications and swap them on exit
     required_source_columns = source_columns;
 
-    std::cerr << queryToString(query) << "\n";
-
     RequiredSourceColumnsVisitor::Data columns_context;
     RequiredSourceColumnsVisitor(columns_context).visit(query);
 
-    std::cerr << columns_context << "\n";
-
     NameSet source_column_names;
     for (const auto & column : source_columns)
         source_column_names.insert(column.name);
@@ -926,9 +922,6 @@ void SyntaxAnalyzer::normalize(ASTPtr & query, Aliases & aliases, const Settings
     /// Creates a dictionary `aliases`: alias -> ASTPtr
     QueryAliasesVisitor(aliases).visit(query);
 
-    for (const auto & alias : aliases)
-        std::cerr << "Alias: " << alias.first << ": " << queryToString(alias.second) << "\n";
-
     /// Mark table ASTIdentifiers with not a column marker
     MarkTableIdentifiersVisitor::Data identifiers_data{aliases};
     MarkTableIdentifiersVisitor(identifiers_data).visit(query);

src/Interpreters/TableJoin.cpp

@@ -1,5 +1,3 @@
-#include <iostream>
-
 #include <Interpreters/TableJoin.h>
 
 #include <Parsers/ASTExpressionList.h>
@@ -163,8 +161,6 @@ NamesWithAliases TableJoin::getRequiredColumns(const Block & sample, const Names
 
 void TableJoin::addJoinedColumn(const NameAndTypePair & joined_column)
 {
-    std::cerr << "Adding " << joined_column.name << "\n";
-
     if (join_use_nulls && isLeftOrFull(table_join.kind))
     {
         auto type = joined_column.type->canBeInsideNullable() ? makeNullable(joined_column.type) : joined_column.type;

src/Interpreters/TranslateQualifiedNamesVisitor.cpp

@@ -18,7 +18,6 @@
 #include <Parsers/ASTLiteral.h>
 #include <Parsers/ASTFunction.h>
 #include <Parsers/ASTColumnsMatcher.h>
-#include <Parsers/queryToString.h>
 
 
 namespace DB
@@ -177,8 +176,6 @@ static void addIdentifier(ASTs & nodes, const DatabaseAndTableWithAlias & table,
     String table_name = table.getQualifiedNamePrefix(false);
     auto identifier = std::make_shared<ASTIdentifier>(std::vector<String>{table_name, column_name});
 
-    std::cerr << "Expanded identifier: " << queryToString(identifier) << "\n";
-
     bool added = false;
     if (aliases && aliases->count(identifier->name))
     {