Library import 5, delete go dependencies (#832)

* Library import 5, delete go dependencies

* Fix yt client

1 files changed, 0 insertions, 96 deletions

diff --git a/contrib/clickhouse/src/Databases/MySQL/tryQuoteUnrecognizedTokens.cpp b/contrib/clickhouse/src/Databases/MySQL/tryQuoteUnrecognizedTokens.cpp
deleted file mode 100644
index cd4603ddaec..00000000000
--- a/contrib/clickhouse/src/Databases/MySQL/tryQuoteUnrecognizedTokens.cpp
+++ /dev/null
@@ -1,96 +0,0 @@
-#include <Databases/MySQL/tryQuoteUnrecognizedTokens.h>
-#include <Parsers/CommonParsers.h>
-#include <Common/quoteString.h>
-
-namespace DB
-{
-
-/// Checks if there are no any tokens (like whitespaces) between current and previous pos
-static bool noWhitespaces(const char * to, const char * from)
-{
-    return static_cast<size_t>(from - to) == 0;
-}
-
-/// Checks if the token should be quoted too together with unrecognized
-static bool isWordOrNumber(TokenType type)
-{
-    return type == TokenType::BareWord || type == TokenType::Number;
-}
-
-static void quoteLiteral(
-    IParser::Pos & pos,
-    IParser::Pos & pos_prev,
-    const char *& pos_unrecognized,
-    const char *& copy_from,
-    String & rewritten_query)
-{
-    /// Copy also whitespaces if any
-    const auto * end =
-        isWordOrNumber(pos->type) && noWhitespaces(pos_prev->end, pos->begin)
-        ? pos->end
-        : pos_prev->end;
-    String literal(pos_unrecognized, static_cast<size_t>(end - pos_unrecognized));
-    rewritten_query.append(copy_from, pos_unrecognized - copy_from).append(backQuoteMySQL(literal));
-    copy_from = end;
-}
-
-bool tryQuoteUnrecognizedTokens(const String & query, String & res)
-{
-    Tokens tokens(query.data(), query.data() + query.size());
-    IParser::Pos pos(tokens, 0);
-    Expected expected;
-    String rewritten_query;
-    const char * copy_from = query.data();
-    auto pos_prev = pos;
-    const char * pos_unrecognized = nullptr;
-    for (;pos->type != TokenType::EndOfStream; ++pos)
-    {
-        /// Commit quotes if any whitespaces found or the token is not a word
-        bool commit = !noWhitespaces(pos_prev->end, pos->begin) || (pos->type != TokenType::Error && !isWordOrNumber(pos->type));
-        if (pos_unrecognized && commit)
-        {
-            quoteLiteral(
-                pos,
-                pos_prev,
-                pos_unrecognized,
-                copy_from,
-                rewritten_query);
-            pos_unrecognized = nullptr;
-        }
-        if (pos->type == TokenType::Error)
-        {
-            /// Find first appearance of the error token
-            if (!pos_unrecognized)
-            {
-                pos_unrecognized =
-                    isWordOrNumber(pos_prev->type) && noWhitespaces(pos_prev->end, pos->begin)
-                    ? pos_prev->begin
-                    : pos->begin;
-            }
-        }
-        pos_prev = pos;
-    }
-
-    /// There was EndOfStream but not committed unrecognized token
-    if (pos_unrecognized)
-    {
-        quoteLiteral(
-            pos,
-            pos_prev,
-            pos_unrecognized,
-            copy_from,
-            rewritten_query);
-        pos_unrecognized = nullptr;
-    }
-
-    /// If no Errors found
-    if (copy_from == query.data())
-        return false;
-
-    auto size = static_cast<size_t>(pos->end - copy_from);
-    rewritten_query.append(copy_from, size);
-    res = rewritten_query;
-    return true;
-}
-
-}