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#include <Parsers/ASTExplainQuery.h>
#include <Parsers/ASTSelectWithUnionQuery.h>
#include <Parsers/ASTSetQuery.h>
#include <Parsers/ParserAlterQuery.h>
#include <Parsers/ParserCheckQuery.h>
#include <Parsers/ParserCreateQuery.h>
#include <Parsers/ParserDescribeTableQuery.h>
#include <Parsers/ParserDropQuery.h>
#include <Parsers/ParserUndropQuery.h>
#include <Parsers/ParserExplainQuery.h>
#include <Parsers/ParserKillQueryQuery.h>
#include <Parsers/ParserOptimizeQuery.h>
#include <Parsers/ParserQueryWithOutput.h>
#include <Parsers/ParserRenameQuery.h>
#include <Parsers/ParserSelectWithUnionQuery.h>
#include <Parsers/ParserSetQuery.h>
#include <Parsers/ParserShowProcesslistQuery.h>
#include <Parsers/ParserShowTablesQuery.h>
#include <Parsers/ParserShowColumnsQuery.h>
#include <Parsers/ParserShowEngineQuery.h>
#include <Parsers/ParserShowIndexesQuery.h>
#include <Parsers/ParserTablePropertiesQuery.h>
#include <Parsers/ParserWatchQuery.h>
#include <Parsers/ParserDescribeCacheQuery.h>
#include <Parsers/QueryWithOutputSettingsPushDownVisitor.h>
#include <Parsers/Access/ParserShowAccessEntitiesQuery.h>
#include <Parsers/Access/ParserShowAccessQuery.h>
#include <Parsers/Access/ParserShowCreateAccessEntityQuery.h>
#include <Parsers/Access/ParserShowGrantsQuery.h>
#include <Parsers/Access/ParserShowPrivilegesQuery.h>
#include <Common/Exception.h>
#include <Common/assert_cast.h>
namespace DB
{
bool ParserQueryWithOutput::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
{
ParserShowTablesQuery show_tables_p;
ParserShowColumnsQuery show_columns_p;
ParserShowEnginesQuery show_engine_p;
ParserShowIndexesQuery show_indexes_p;
ParserSelectWithUnionQuery select_p;
ParserTablePropertiesQuery table_p;
ParserDescribeTableQuery describe_table_p;
ParserDescribeCacheQuery describe_cache_p;
ParserShowProcesslistQuery show_processlist_p;
ParserCreateQuery create_p;
ParserAlterQuery alter_p;
ParserRenameQuery rename_p;
ParserDropQuery drop_p;
ParserUndropQuery undrop_p;
ParserCheckQuery check_p;
ParserOptimizeQuery optimize_p;
ParserKillQueryQuery kill_query_p;
ParserWatchQuery watch_p;
ParserShowAccessQuery show_access_p;
ParserShowAccessEntitiesQuery show_access_entities_p;
ParserShowCreateAccessEntityQuery show_create_access_entity_p;
ParserShowGrantsQuery show_grants_p;
ParserShowPrivilegesQuery show_privileges_p;
ParserExplainQuery explain_p(end, allow_settings_after_format_in_insert);
ASTPtr query;
bool parsed =
explain_p.parse(pos, query, expected)
|| select_p.parse(pos, query, expected)
|| show_create_access_entity_p.parse(pos, query, expected) /// should be before `show_tables_p`
|| show_tables_p.parse(pos, query, expected)
|| show_columns_p.parse(pos, query, expected)
|| show_engine_p.parse(pos, query, expected)
|| show_indexes_p.parse(pos, query, expected)
|| table_p.parse(pos, query, expected)
|| describe_cache_p.parse(pos, query, expected)
|| describe_table_p.parse(pos, query, expected)
|| show_processlist_p.parse(pos, query, expected)
|| create_p.parse(pos, query, expected)
|| alter_p.parse(pos, query, expected)
|| rename_p.parse(pos, query, expected)
|| drop_p.parse(pos, query, expected)
|| undrop_p.parse(pos, query, expected)
|| check_p.parse(pos, query, expected)
|| kill_query_p.parse(pos, query, expected)
|| optimize_p.parse(pos, query, expected)
|| watch_p.parse(pos, query, expected)
|| show_access_p.parse(pos, query, expected)
|| show_access_entities_p.parse(pos, query, expected)
|| show_grants_p.parse(pos, query, expected)
|| show_privileges_p.parse(pos, query, expected);
if (!parsed)
return false;
/// FIXME: try to prettify this cast using `as<>()`
auto & query_with_output = dynamic_cast<ASTQueryWithOutput &>(*query);
ParserKeyword s_into_outfile("INTO OUTFILE");
if (s_into_outfile.ignore(pos, expected))
{
ParserStringLiteral out_file_p;
if (!out_file_p.parse(pos, query_with_output.out_file, expected))
return false;
ParserKeyword s_append("APPEND");
if (s_append.ignore(pos, expected))
{
query_with_output.is_outfile_append = true;
}
ParserKeyword s_truncate("TRUNCATE");
if (s_truncate.ignore(pos, expected))
{
query_with_output.is_outfile_truncate = true;
}
ParserKeyword s_stdout("AND STDOUT");
if (s_stdout.ignore(pos, expected))
{
query_with_output.is_into_outfile_with_stdout = true;
}
ParserKeyword s_compression_method("COMPRESSION");
if (s_compression_method.ignore(pos, expected))
{
ParserStringLiteral compression;
if (!compression.parse(pos, query_with_output.compression, expected))
return false;
ParserKeyword s_compression_level("LEVEL");
if (s_compression_level.ignore(pos, expected))
{
ParserNumber compression_level;
if (!compression_level.parse(pos, query_with_output.compression_level, expected))
return false;
}
}
query_with_output.children.push_back(query_with_output.out_file);
}
ParserKeyword s_format("FORMAT");
if (s_format.ignore(pos, expected))
{
ParserIdentifier format_p;
if (!format_p.parse(pos, query_with_output.format, expected))
return false;
setIdentifierSpecial(query_with_output.format);
query_with_output.children.push_back(query_with_output.format);
}
// SETTINGS key1 = value1, key2 = value2, ...
ParserKeyword s_settings("SETTINGS");
if (!query_with_output.settings_ast && s_settings.ignore(pos, expected))
{
ParserSetQuery parser_settings(true);
if (!parser_settings.parse(pos, query_with_output.settings_ast, expected))
return false;
query_with_output.children.push_back(query_with_output.settings_ast);
// SETTINGS after FORMAT is not parsed by the SELECT parser (ParserSelectQuery)
// Pass them manually, to apply in InterpreterSelectQuery::initSettings()
if (query->as<ASTSelectWithUnionQuery>())
{
auto settings = query_with_output.settings_ast->clone();
assert_cast<ASTSetQuery *>(settings.get())->print_in_format = false;
QueryWithOutputSettingsPushDownVisitor::Data data{settings};
QueryWithOutputSettingsPushDownVisitor(data).visit(query);
}
}
node = std::move(query);
return true;
}
}
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