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authorAlexSm <[email protected]>2024-01-04 15:09:05 +0100
committerGitHub <[email protected]>2024-01-04 15:09:05 +0100
commitdab291146f6cd7d35684e3a1150e5bb1c412982c (patch)
tree36ef35f6cacb6432845a4a33f940c95871036b32 /contrib/clickhouse/src/TableFunctions/TableFunctionDictionary.cpp
parent63660ad5e7512029fd0218e7a636580695a24e1f (diff)
Library import 5, delete go dependencies (#832)
* Library import 5, delete go dependencies * Fix yt client
Diffstat (limited to 'contrib/clickhouse/src/TableFunctions/TableFunctionDictionary.cpp')
-rw-r--r--contrib/clickhouse/src/TableFunctions/TableFunctionDictionary.cpp95
1 files changed, 0 insertions, 95 deletions
diff --git a/contrib/clickhouse/src/TableFunctions/TableFunctionDictionary.cpp b/contrib/clickhouse/src/TableFunctions/TableFunctionDictionary.cpp
deleted file mode 100644
index f0060acb411..00000000000
--- a/contrib/clickhouse/src/TableFunctions/TableFunctionDictionary.cpp
+++ /dev/null
@@ -1,95 +0,0 @@
-#include <TableFunctions/TableFunctionDictionary.h>
-
-#include <Parsers/ASTLiteral.h>
-
-#include <DataTypes/DataTypeArray.h>
-#include <DataTypes/DataTypeString.h>
-#include <DataTypes/DataTypesNumber.h>
-
-#include <Interpreters/Context.h>
-#include <Interpreters/ExternalDictionariesLoader.h>
-#include <Interpreters/evaluateConstantExpression.h>
-
-#include <Storages/StorageDictionary.h>
-#include <Storages/checkAndGetLiteralArgument.h>
-
-#include <TableFunctions/TableFunctionFactory.h>
-
-namespace DB
-{
-
-namespace ErrorCodes
-{
- extern const int LOGICAL_ERROR;
- extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
-}
-
-void TableFunctionDictionary::parseArguments(const ASTPtr & ast_function, ContextPtr context)
-{
- // Parse args
- ASTs & args_func = ast_function->children;
-
- if (args_func.size() != 1)
- throw Exception(ErrorCodes::LOGICAL_ERROR, "Table function ({}) must have arguments.", quoteString(getName()));
-
- ASTs & args = args_func.at(0)->children;
-
- if (args.size() != 1)
- throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH, "Table function ({}) requires 1 arguments", quoteString(getName()));
-
- for (auto & arg : args)
- arg = evaluateConstantExpressionOrIdentifierAsLiteral(arg, context);
-
- dictionary_name = checkAndGetLiteralArgument<String>(args[0], "dictionary_name");
-}
-
-ColumnsDescription TableFunctionDictionary::getActualTableStructure(ContextPtr context, bool /*is_insert_query*/) const
-{
- const ExternalDictionariesLoader & external_loader = context->getExternalDictionariesLoader();
- std::string resolved_name = external_loader.resolveDictionaryName(dictionary_name, context->getCurrentDatabase());
- auto load_result = external_loader.load(resolved_name);
- if (load_result)
- {
- /// for regexp tree dictionary, the table structure will be different with dictionary structure. it is:
- /// - id. identifier of the tree node
- /// - parent_id.
- /// - regexp. the regular expression
- /// - keys. the names of attributions of dictionary structure
- /// - values. the values of each attribution
- const auto dictionary = std::static_pointer_cast<const IDictionary>(load_result);
- if (dictionary->getTypeName() == "RegExpTree")
- {
- return ColumnsDescription(NamesAndTypesList({
- {"id", std::make_shared<DataTypeUInt64>()},
- {"parent_id", std::make_shared<DataTypeUInt64>()},
- {"regexp", std::make_shared<DataTypeString>()},
- {"keys", std::make_shared<DataTypeArray>(std::make_shared<DataTypeString>())},
- {"values", std::make_shared<DataTypeArray>(std::make_shared<DataTypeString>())}
- }));
- }
- }
-
- /// otherwise, we get table structure by dictionary structure.
- auto dictionary_structure = external_loader.getDictionaryStructure(dictionary_name, context);
- return ColumnsDescription(StorageDictionary::getNamesAndTypes(dictionary_structure));
-
-}
-
-StoragePtr TableFunctionDictionary::executeImpl(
- const ASTPtr &, ContextPtr context, const std::string & table_name, ColumnsDescription, bool is_insert_query) const
-{
- StorageID dict_id(getDatabaseName(), table_name);
- auto dictionary_table_structure = getActualTableStructure(context, is_insert_query);
-
- auto result = std::make_shared<StorageDictionary>(
- dict_id, dictionary_name, std::move(dictionary_table_structure), String{}, StorageDictionary::Location::Custom, context);
-
- return result;
-}
-
-void registerTableFunctionDictionary(TableFunctionFactory & factory)
-{
- factory.registerFunction<TableFunctionDictionary>();
-}
-
-}