Fix codespell warnings. Split style checks. Update style checks docker

base/glibc-compatibility/musl/lgammal.c

@@ -38,7 +38,7 @@
  *                          = log(6.3*5.3) + lgamma(5.3)
  *                          = log(6.3*5.3*4.3*3.3*2.3) + lgamma(2.3)
  *   2. Polynomial approximation of lgamma around its
- *      minimun ymin=1.461632144968362245 to maintain monotonicity.
+ *      minimum ymin=1.461632144968362245 to maintain monotonicity.
  *      On [ymin-0.23, ymin+0.27] (i.e., [1.23164,1.73163]), use
  *              Let z = x-ymin;
  *              lgamma(x) = -1.214862905358496078218 + z^2*poly(z)

base/glibc-compatibility/musl/powl.c

@@ -202,7 +202,7 @@ long double powl(long double x, long double y)
 	volatile long double z=0;
 	long double w=0, W=0, Wa=0, Wb=0, ya=0, yb=0, u=0;
 
-	/* make sure no invalid exception is raised by nan comparision */
+	/* make sure no invalid exception is raised by nan comparison */
 	if (isnan(x)) {
 		if (!isnan(y) && y == 0.0)
 			return 1.0;

base/pcg-random/pcg_random.hpp

@@ -129,7 +129,7 @@ using namespace pcg_extras;
  *
  *      default_multiplier<uint32_t>::multiplier()
  *
- * gives you the default multipler for 32-bit integers.  We use the name
+ * gives you the default multiplier for 32-bit integers.  We use the name
  * of the constant and not a generic word like value to allow these classes
  * to be used as mixins.
  */

docker/test/style/Dockerfile

@@ -4,5 +4,8 @@ FROM ubuntu:20.04
 RUN apt-get update && env DEBIAN_FRONTEND=noninteractive apt-get install --yes shellcheck libxml2-utils git python3-pip && pip3 install codespell
 
 
-CMD cd /ClickHouse/utils/check-style && ./check-style -n | tee /test_output/style_output.txt && \
+CMD cd /ClickHouse/utils/check-style && \
+    ./check-style -n | tee /test_output/style_output.txt && \
+    ./check-typos | tee /test_output/typos_output.txt && \
+    ./check-whitespaces -n | tee /test_output/whitespaces_output.txt && \
     ./check-duplicate-includes.sh | tee /test_output/duplicate_output.txt

src/AggregateFunctions/AggregateFunctionGroupArrayInsertAt.h

@@ -107,7 +107,7 @@ public:
         /// TODO Do positions need to be 1-based for this function?
         size_t position = columns[1]->getUInt(row_num);
 
-        /// If position is larger than size to which array will be cutted - simply ignore value.
+        /// If position is larger than size to which array will be cut - simply ignore value.
         if (length_to_resize && position >= length_to_resize)
             return;
 

src/Common/Config/ConfigProcessor.h

@@ -97,7 +97,7 @@ public:
     /// If preprocessed_dir is empty - calculate from loaded_config.path + /preprocessed_configs/
     void savePreprocessedConfig(const LoadedConfig & loaded_config, std::string preprocessed_dir);
 
-    /// Set path of main config.xml. It will be cutted from all configs placed to preprocessed_configs/
+    /// Set path of main config.xml. It will be cut from all configs placed to preprocessed_configs/
     static void setConfigPath(const std::string & config_path);
 
 public:

src/Common/HashTable/HashTable.h

@@ -1008,7 +1008,7 @@ public:
          * then deleting a erased_key_position will break search for it, so we need to move next_element
          * to erased_key_position. Now we have empty place at next_element, so we apply the identical
          * procedure for it.
-         * If an empty element is encoutered then means that there is no more next elements for which we can
+         * If an empty element is encountered then means that there is no more next elements for which we can
          * break the search so we can exit.
         */
 

src/Core/QueryProcessingStage.h

@@ -44,7 +44,7 @@ namespace QueryProcessingStage
             : "Unknown stage";
     }
 
-    /// This methid is used for the program options,
+    /// This method is used for the program options,
     /// hence it accept under_score notation for stage:
     /// - complete
     /// - fetch_columns

src/Core/Types.h

@@ -185,7 +185,7 @@ using Decimal64 = Decimal<Int64>;
 using Decimal128 = Decimal<Int128>;
 using Decimal256 = Decimal<Int256>;
 
-// Distinguishable type to allow function resultion/deduction based on value type,
+// Distinguishable type to allow function resolution/deduction based on value type,
 // but also relatively easy to convert to/from Decimal64.
 class DateTime64 : public Decimal64
 {

src/DataTypes/DataTypeMap.cpp

@@ -204,7 +204,7 @@ void DataTypeMap::serializeText(const IColumn & column, size_t row_num, WriteBuf
 
 void DataTypeMap::deserializeText(IColumn & column, ReadBuffer & istr, const FormatSettings & settings) const
 {
-    // need_safe_get_int_key is set for Interger to prevent to readIntTextUnsafe
+    // need_safe_get_int_key is set for Integer to prevent to readIntTextUnsafe
     bool need_safe_get_int_key = isInteger(key_type);
 
     deserializeTextImpl(column, istr, need_safe_get_int_key,
@@ -226,7 +226,7 @@ void DataTypeMap::serializeTextJSON(const IColumn & column, size_t row_num, Writ
 
 void DataTypeMap::deserializeTextJSON(IColumn & column, ReadBuffer & istr, const FormatSettings & settings) const
 {
-    // need_safe_get_int_key is set for Interger to prevent to readIntTextUnsafe
+    // need_safe_get_int_key is set for Integer to prevent to readIntTextUnsafe
     bool need_safe_get_int_key = isInteger(key_type);
 
     deserializeTextImpl(column, istr, need_safe_get_int_key,

src/DataTypes/IDataType.h

@@ -67,7 +67,7 @@ public:
       * If the data type require single stream (it's true for most of data types), the stream will have empty path.
       * Otherwise, the path can have components like "array elements", "array sizes", etc.
       *
-      * For multidimensional arrays, path can have arbiraty length.
+      * For multidimensional arrays, path can have arbitrary length.
       * As an example, for 2-dimensional arrays of numbers we have at least three streams:
       * - array sizes;                      (sizes of top level arrays)
       * - array elements / array sizes;     (sizes of second level (nested) arrays)

src/Databases/DatabaseOnDisk.cpp

@@ -229,7 +229,7 @@ void DatabaseOnDisk::removeDetachedPermanentlyFlag(const String & table_name, co
     }
     catch (Exception & e)
     {
-        e.addMessage("while trying to remove permanenty detached flag. Table {}.{} may still be marked as permanently detached, and will not be reattached during server restart.", backQuote(getDatabaseName()), backQuote(table_name));
+        e.addMessage("while trying to remove permanently detached flag. Table {}.{} may still be marked as permanently detached, and will not be reattached during server restart.", backQuote(getDatabaseName()), backQuote(table_name));
         throw;
     }
 }
@@ -264,7 +264,7 @@ void DatabaseOnDisk::detachTablePermanently(const String & table_name)
     }
     catch (Exception & e)
     {
-        e.addMessage("while trying to set permanenty detached flag. Table {}.{} may be reattached during server restart.", backQuote(getDatabaseName()), backQuote(table_name));
+        e.addMessage("while trying to set permanently detached flag. Table {}.{} may be reattached during server restart.", backQuote(getDatabaseName()), backQuote(table_name));
         throw;
     }
 }

src/Dictionaries/CacheDictionary.inc.h

@@ -147,7 +147,7 @@ void CacheDictionary::getItemsNumberImpl(
     tryPushToUpdateQueueOrThrow(update_unit_ptr);
     waitForCurrentUpdateFinish(update_unit_ptr);
 
-    /// Add updated keys to asnwer.
+    /// Add updated keys to answer.
 
     const size_t attribute_index = getAttributeIndex(attribute.name);
 

src/Functions/FunctionsStringSearch.h

@@ -29,7 +29,7 @@ namespace DB
   * multiMatchAnyIndex(haystack, [pattern_1, pattern_2, ..., pattern_n]) -- search by re2 regular expressions pattern_i; Returns index of any match or zero if none;
   * multiMatchAllIndices(haystack, [pattern_1, pattern_2, ..., pattern_n]) -- search by re2 regular expressions pattern_i; Returns an array of matched indices in any order;
   *
-  * countSubstrings(haystack, needle) -- count number of occurences of needle in haystack.
+  * countSubstrings(haystack, needle) -- count number of occurrences of needle in haystack.
   * countSubstringsCaseInsensitive(haystack, needle)
   *
   * Applies regexp re2 and pulls:

src/Functions/abtesting.cpp

@@ -236,7 +236,7 @@ public:
         if (const ColumnConst * col_higher_is_better = checkAndGetColumnConst<ColumnUInt8>(arguments[1].column.get()))
             higher_is_better = col_higher_is_better->getBool(0);
         else
-            throw Exception("Second argument for function " + getName() + " must be Constatnt boolean", ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
+            throw Exception("Second argument for function " + getName() + " must be Constant boolean", ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
 
         if (const ColumnConst * col_const_arr = checkAndGetColumnConst<ColumnArray>(arguments[2].column.get()))
         {

src/Functions/array/arrayElement.cpp

@@ -86,7 +86,7 @@ private:
     ColumnPtr executeTuple(const ColumnsWithTypeAndName & arguments, size_t input_rows_count) const;
 
     /** For a map the function finds the matched value for a key.
-     *  Currently implemented just as linear seach in array.
+     *  Currently implemented just as linear search in array.
      *  However, optimizations are possible.
      */
     ColumnPtr executeMap(const ColumnsWithTypeAndName & arguments, const DataTypePtr & result_type, size_t input_rows_count) const;

src/IO/WriteBufferFromVector.h

@@ -15,7 +15,7 @@ namespace ErrorCodes
 
 /** Writes data to existing std::vector or similar type. When not enough space, it doubles vector size.
   *
-  * In destructor, vector is cutted to the size of written data.
+  * In destructor, vector is cut to the size of written data.
   * You can call 'finalize' to resize earlier.
   *
   * The vector should live until this object is destroyed or until the 'finish' method is called.

src/Interpreters/InterpreterInsertQuery.cpp

@@ -268,7 +268,7 @@ BlockIO InterpreterInsertQuery::execute()
                 const auto & selects = select_query.list_of_selects->children;
                 const auto & union_modes = select_query.list_of_modes;
 
-                /// ASTSelectWithUnionQuery is not normalized now, so it may pass some querys which can be Trivial select querys
+                /// ASTSelectWithUnionQuery is not normalized now, so it may pass some queries which can be Trivial select queries
                 is_trivial_insert_select
                     = std::all_of(
                           union_modes.begin(),

src/Interpreters/InterpreterOptimizeQuery.cpp

@@ -57,7 +57,7 @@ BlockIO InterpreterOptimizeQuery::execute()
         {
             // Deduplication is performed only for adjacent rows in a block,
             // and all rows in block are in the sorting key order within a single partition,
-            // hence deduplication always implicitly takes sorting keys and parition keys in account.
+            // hence deduplication always implicitly takes sorting keys and partition keys in account.
             // So we just explicitly state that limitation in order to avoid confusion.
             if (std::find(column_names.begin(), column_names.end(), required_col) == column_names.end())
                 throw Exception(ErrorCodes::THERE_IS_NO_COLUMN,

src/Interpreters/TreeRewriter.cpp

@@ -132,7 +132,7 @@ struct CustomizeAggregateFunctionsSuffixData
     }
 };
 
-// Used to rewrite aggregate functions with -OrNull suffix in some cases, such as sumIfOrNull, we shoule rewrite to sumOrNullIf
+// Used to rewrite aggregate functions with -OrNull suffix in some cases, such as sumIfOrNull, we should rewrite to sumOrNullIf
 struct CustomizeAggregateFunctionsMoveSuffixData
 {
     using TypeToVisit = ASTFunction;

src/Parsers/New/AST/JoinExpr.cpp

@@ -57,7 +57,7 @@ JoinExpr::JoinExpr(JoinExpr::ExprType type, JoinExpr::JoinOpType op, JoinExpr::J
 
 ASTPtr JoinExpr::convertToOld() const
 {
-    /** The sole convertable chain of Join's may look like:
+    /** The sole convertible chain of Join's may look like:
      *
      *      … FROM table1 JOIN table2 ON SMTH JOIN table3 ON SMTH JOIN …
      *

src/Parsers/New/AST/README.md

@@ -13,7 +13,7 @@ Basic principles in code
 **predetermined order** and with **predetermined type**: some elements may be `nullptr` to preserve positions of other elements.
 - The order may be defined as a position in vector from the start, the last element, and some pattern of variable number of elements
 in between. It's convenient to define `enum ChildIndex : Uint8 {…}` with index numbers for each class.
-- If there is more than one variable pack of elements or the order can't be determenistic, then wrap elements into the lists and store the
+- If there is more than one variable pack of elements or the order can't be deterministic, then wrap elements into the lists and store the
 multi-level structure (see `ColumnExpr::ExprType::FUNCTION` for example).
 - Don't do multi-level structure just for nothing or to mimic the parse tree: the less is depth the better.
 - The whole grammar separates expressions for databases, tables and columns. That way we already assess the semantics on the parser level.

src/Parsers/ParserOptimizeQuery.cpp

@@ -14,7 +14,7 @@ bool ParserOptimizeQueryColumnsSpecification::parseImpl(Pos & pos, ASTPtr & node
 {
     // Do not allow APPLY and REPLACE transformers.
     // Since we use Columns Transformers only to get list of columns,
-    // ad we can't actuall modify content of the columns for deduplication.
+    // we can't actually modify content of the columns for deduplication.
     const auto allowed_transformers = ParserColumnsTransformers::ColumnTransformers{ParserColumnsTransformers::ColumnTransformer::EXCEPT};
 
     return ParserColumnsMatcher(allowed_transformers).parse(pos, node, expected)

src/Server/grpc_protos/clickhouse_grpc.proto

@@ -21,7 +21,7 @@ message NameAndType {
    string type = 2;
 }
 
-// Desribes an external table - a table which will exists only while a query is executing.
+// Describes an external table - a table which will exists only while a query is executing.
 message ExternalTable {
    // Name of the table. If omitted, "_data" is used.
    string name = 1;

src/Storages/MergeTree/MergeTreeRangeReader.cpp

@@ -637,7 +637,7 @@ MergeTreeRangeReader::ReadResult MergeTreeRangeReader::read(size_t max_rows, Mar
 
         if (!columns.empty())
         {
-            /// If some columns absent in part, then evaulate default values
+            /// If some columns absent in part, then evaluate default values
             if (should_evaluate_missing_defaults)
             {
                 auto block = prev_reader->sample_block.cloneWithColumns(read_result.columns);
@@ -681,7 +681,7 @@ MergeTreeRangeReader::ReadResult MergeTreeRangeReader::read(size_t max_rows, Mar
             merge_tree_reader->fillMissingColumns(read_result.columns, should_evaluate_missing_defaults,
                                                   read_result.num_rows);
 
-            /// If some columns absent in part, then evaulate default values
+            /// If some columns absent in part, then evaluate default values
             if (should_evaluate_missing_defaults)
                 merge_tree_reader->evaluateMissingDefaults({}, read_result.columns);
 

src/Storages/MergeTree/RPNBuilder.h

@@ -31,7 +31,7 @@ public:
           */
         block_with_constants = KeyCondition::getBlockWithConstants(query_info.query, query_info.syntax_analyzer_result, context);
 
-        /// Trasform WHERE section to Reverse Polish notation
+        /// Transform WHERE section to Reverse Polish notation
         const ASTSelectQuery & select = typeid_cast<const ASTSelectQuery &>(*query_info.query);
         if (select.where())
         {

src/Storages/MergeTree/tests/gtest_ReplicatedMergeTreeLogEntry.cpp

@@ -213,7 +213,7 @@ TEST_P(ReplicatedMergeTreeLogEntryDataTest, transcode)
 
 // Enabling this warning would ruin test brievity without adding anything else in return,
 // since most of the fields have default constructors or be will be zero-initialized as by standard,
-// so values are predicatable and stable accross runs.
+// so values are predicatable and stable across runs.
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wmissing-field-initializers"
 
@@ -301,7 +301,7 @@ INSTANTIATE_TEST_SUITE_P(Merge, ReplicatedMergeTreeLogEntryDataTest,
 
 // This is just an example of how to set all fields. Can't be used as is since depending on type,
 // only some fields are serialized/deserialized, and even if everything works perfectly,
-// some fileds in deserialized object would be unset (hence differ from expected).
+// some fields in deserialized object would be unset (hence differ from expected).
 // INSTANTIATE_TEST_SUITE_P(Full, ReplicatedMergeTreeLogEntryDataTest,
 //         ::testing::ValuesIn(std::initializer_list<ReplicatedMergeTreeLogEntryData>{
 //     {

src/Storages/RocksDB/EmbeddedRocksDBBlockInputStream.cpp

@@ -56,7 +56,7 @@ Block EmbeddedRocksDBBlockInputStream::readImpl()
     finished = !iterator->Valid();
     if (!iterator->status().ok())
     {
-        throw Exception("Engine " + getName() + " got error while seeking key value datas: " + iterator->status().ToString(),
+        throw Exception("Engine " + getName() + " got error while seeking key value data: " + iterator->status().ToString(),
             ErrorCodes::ROCKSDB_ERROR);
     }
     return sample_block.cloneWithColumns(std::move(columns));

src/Storages/StorageInMemoryMetadata.h

@@ -61,13 +61,13 @@ struct StorageInMemoryMetadata
     /// Sets constraints
     void setConstraints(ConstraintsDescription constraints_);
 
-    /// Set partition key for storage (methods bellow, are just wrappers for this struct).
+    /// Set partition key for storage (methods below, are just wrappers for this struct).
     void setPartitionKey(const KeyDescription & partition_key_);
-    /// Set sorting key for storage (methods bellow, are just wrappers for this struct).
+    /// Set sorting key for storage (methods below, are just wrappers for this struct).
     void setSortingKey(const KeyDescription & sorting_key_);
-    /// Set primary key for storage (methods bellow, are just wrappers for this struct).
+    /// Set primary key for storage (methods below, are just wrappers for this struct).
     void setPrimaryKey(const KeyDescription & primary_key_);
-    /// Set sampling key for storage (methods bellow, are just wrappers for this struct).
+    /// Set sampling key for storage (methods below, are just wrappers for this struct).
     void setSamplingKey(const KeyDescription & sampling_key_);
 
     /// Set common table TTLs

utils/check-style/check-typos

@@ -1,14 +1,14 @@
 #!/usr/bin/env bash
+set +x
 
 # Check for typos in code.
 
 ROOT_PATH=$(git rev-parse --show-toplevel)
-CURDIR=$(dirname "${BASH_SOURCE[0]}")
 
 codespell \
-    --skip '*generated*,*gperf*,*.bin,*.mrk*,*.idx,checksums.txt,*.dat,*.pyc,*.kate-swp' \
-    --ignore-words "${CURDIR}/codespell-ignore-words.list" \
-    --exclude-file "${CURDIR}/codespell-ignore-lines.list" \
+    --skip '*generated*,*gperf*,*.bin,*.mrk*,*.idx,checksums.txt,*.dat,*.pyc,*.kate-swp,*obfuscateQueries.cpp' \
+    --ignore-words "${ROOT_PATH}/utils/check-style/codespell-ignore-words.list" \
+    --exclude-file "${ROOT_PATH}/utils/check-style/codespell-ignore-lines.list" \
     --quiet-level 2 \
     "$ROOT_PATH"/{src,base,programs,utils} \
     $@ | grep -P '.' \

utils/check-style/check-whitespaces

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+ROOT_PATH=$(git rev-parse --show-toplevel)
+EXCLUDE_DIRS='build/|integration/|widechar_width/|glibc-compatibility/|memcpy/|consistent-hashing/|Parsers/New'
+
+# Double whitespaces
+find $ROOT_PATH/{src,base,programs,utils} -name '*.h' -or -name '*.cpp' 2>/dev/null |
+    grep -vP $EXCLUDE_DIRS |
+    while read i; do $ROOT_PATH/utils/check-style/double-whitespaces.pl < $i || echo -e "^ File $i contains double whitespaces\n"; done

utils/check-style/codespell-ignore-words.list

@@ -1,7 +1,14 @@
-thenn
+wthenn
 fpr
 creat
 parsering
 nd
 ect
 pullrequest
+pullrequests
+ans
+splitted
+thenn
+ths
+offsett
+numer