Refactor parser create query

dbms/src/Parsers/ParserCreateQuery.h

@@ -288,6 +288,64 @@ protected:
     bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected);
 };
 
+/** Query like this:
+  * CREATE|ATTACH TABLE [IF NOT EXISTS] [db.]name
+  * (
+  *     name1 type1,
+  *     name2 type2,
+  *     ...
+  *     INDEX name1 expr TYPE type1(args) GRANULARITY value,
+  *     ...
+  * ) ENGINE = engine
+  *
+  * Or:
+  * CREATE|ATTACH TABLE [IF NOT EXISTS] [db.]name AS [db2.]name2 [ENGINE = engine]
+  *
+  * Or:
+  * CREATE|ATTACH TABLE [IF NOT EXISTS] [db.]name AS ENGINE = engine SELECT ...
+  *
+  */
+class ParserCreateTableQuery : public IParserBase
+{
+protected:
+    const char * getName() const { return "CREATE TABLE or ATTACH TABLE query"; }
+    bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected);
+};
+
+/// CREATE|ATTACH LIVE VIEW [IF NOT EXISTS] [db.]name [TO [db.]name] AS SELECT ...
+class ParserCreateLiveViewQuery : public IParserBase
+{
+protected:
+    const char * getName() const { return "CREATE LIVE VIEW query"; }
+    bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected);
+};
+
+/// CREATE|ATTACH DATABASE db [ENGINE = engine]
+class ParserCreateDatabaseQuery : public IParserBase
+{
+protected:
+    const char * getName() const { return "CREATE DATABASE query"; }
+    bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected);
+};
+
+/// CREATE[OR REPLACE]|ATTACH [[MATERIALIZED] VIEW] | [VIEW]] [IF NOT EXISTS] [db.]name [TO [db.]name] [ENGINE = engine] [POPULATE] AS SELECT ...
+class ParserCreateViewQuery : public IParserBase
+{
+protected:
+    const char * getName() const { return "CREATE VIEW query"; }
+    bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected);
+};
+
+/// Parses complete dictionary create query. Uses ParserDictionary and
+/// ParserDictionaryAttributeDeclaration. Produces ASTCreateQuery.
+/// CREATE DICTIONAY [IF NOT EXISTS] [db.]name (attrs) PRIMARY KEY key SOURCE(s(params)) LAYOUT(l(params)) LIFETIME([min v1 max] v2) [RANGE(min v1 max v2)]
+class ParserCreateDictionaryQuery : public IParserBase
+{
+protected:
+    const char * getName() const override { return "CREATE DICTIONARY"; }
+    bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override;
+};
+
 
 /** Query like this:
   * CREATE|ATTACH TABLE [IF NOT EXISTS] [db.]name

dbms/src/Parsers/ParserDictionary.cpp

@@ -253,72 +253,4 @@ bool ParserDictionary::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
     return true;
 }
 
-
-bool ParserCreateDictionaryQuery::parseImpl(IParser::Pos & pos, ASTPtr & node, Expected & expected)
-{
-    ParserKeyword s_create("CREATE");
-    ParserKeyword s_dictionary("DICTIONARY");
-    ParserKeyword s_if_not_exists("IF NOT EXISTS");
-    ParserIdentifier name_p;
-    ParserToken s_left_paren(TokenType::OpeningRoundBracket);
-    ParserToken s_right_paren(TokenType::ClosingRoundBracket);
-    ParserToken s_dot(TokenType::Dot);
-    ParserDictionaryAttributeDeclarationList attributes_p;
-    ParserDictionary dictionary_p;
-
-
-    bool if_not_exists = false;
-
-    ASTPtr database;
-    ASTPtr name;
-    ASTPtr attributes;
-    ASTPtr dictionary;
-
-    if (!s_create.ignore(pos, expected))
-        return false;
-
-    if (s_if_not_exists.ignore(pos, expected))
-        if_not_exists = true;
-
-    if (!s_dictionary.ignore(pos, expected))
-        return false;
-
-    if (!name_p.parse(pos, name, expected))
-        return false;
-
-    if (s_dot.ignore(pos))
-    {
-        database = name;
-        if (!name_p.parse(pos, name, expected))
-            return false;
-    }
-
-    if (!s_left_paren.ignore(pos, expected))
-        return false;
-
-    if (!attributes_p.parse(pos, attributes, expected))
-        return false;
-
-    if (!s_right_paren.ignore(pos, expected))
-        return false;
-
-    if (!dictionary_p.parse(pos, dictionary, expected))
-        return false;
-
-    auto query = std::make_shared<ASTCreateQuery>();
-    node = query;
-    query->is_dictionary = true;
-
-    if (database)
-        query->database = typeid_cast<const ASTIdentifier &>(*database).name;
-
-    query->table = typeid_cast<const ASTIdentifier &>(*name).name;
-
-    query->if_not_exists = if_not_exists;
-    query->set(query->dictionary_attributes_list, attributes);
-    query->set(query->dictionary, dictionary);
-
-    return true;
-}
-
 }

dbms/src/Parsers/ParserDictionary.h

@@ -55,13 +55,4 @@ protected:
     bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override;
 };
 
-
-/// Parses complete dictionary create query. Uses ParserDictionary and
-/// ParserDictionaryAttributeDeclaration. Produces ASTCreateQuery.
-class ParserCreateDictionaryQuery : public IParserBase
-{
-protected:
-    const char * getName() const override { return "CREATE DICTIONARY"; }
-    bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override;
-};
 }