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fix data_type_default_nullable on attach

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This commit is contained in:
Alexander Tokmakov 2021-04-16 13:15:35 +03:00
parent b5cbbce314
commit ebf0a3119e
7 changed files with 25 additions and 10 deletions
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4
src/Databases/DatabaseOnDisk.cpp
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@ -58,7 +58,7 @@ std::pair<String, StoragePtr> createTableFromAST(
auto table_function = factory.get(ast_create_query.as_table_function, context);
ColumnsDescription columns;
if (ast_create_query.columns_list && ast_create_query.columns_list->columns)
columns = InterpreterCreateQuery::getColumnsDescription(*ast_create_query.columns_list->columns, context, false);
columns = InterpreterCreateQuery::getColumnsDescription(*ast_create_query.columns_list->columns, context, true);
StoragePtr storage = table_function->execute(ast_create_query.as_table_function, context, ast_create_query.table, std::move(columns));
storage->renameInMemory(ast_create_query);
return {ast_create_query.table, storage};
@ -69,7 +69,7 @@ std::pair<String, StoragePtr> createTableFromAST(
if (!ast_create_query.columns_list || !ast_create_query.columns_list->columns)
throw Exception("Missing definition of columns.", ErrorCodes::EMPTY_LIST_OF_COLUMNS_PASSED);
ColumnsDescription columns = InterpreterCreateQuery::getColumnsDescription(*ast_create_query.columns_list->columns, context, false);
ColumnsDescription columns = InterpreterCreateQuery::getColumnsDescription(*ast_create_query.columns_list->columns, context, true);
ConstraintsDescription constraints = InterpreterCreateQuery::getConstraintsDescription(ast_create_query.columns_list->constraints);
return

10
src/Interpreters/InterpreterCreateQuery.cpp
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@ -363,7 +363,7 @@ ASTPtr InterpreterCreateQuery::formatConstraints(const ConstraintsDescription &
}
ColumnsDescription InterpreterCreateQuery::getColumnsDescription(
const ASTExpressionList & columns_ast, ContextPtr context_, bool sanity_check_compression_codecs)
const ASTExpressionList & columns_ast, ContextPtr context_, bool attach)
{
/// First, deduce implicit types.
@ -372,6 +372,7 @@ ColumnsDescription InterpreterCreateQuery::getColumnsDescription(
ASTPtr default_expr_list = std::make_shared<ASTExpressionList>();
NamesAndTypesList column_names_and_types;
bool make_columns_nullable = !attach && context_->getSettingsRef().data_type_default_nullable;
for (const auto & ast : columns_ast.children)
{
@ -390,8 +391,7 @@ ColumnsDescription InterpreterCreateQuery::getColumnsDescription(
if (*col_decl.null_modifier)
column_type = makeNullable(column_type);
}
/// XXX: context_ or context ?
else if (context_->getSettingsRef().data_type_default_nullable)
else if (make_columns_nullable)
{
column_type = makeNullable(column_type);
}
@ -436,6 +436,7 @@ ColumnsDescription InterpreterCreateQuery::getColumnsDescription(
if (!default_expr_list->children.empty())
defaults_sample_block = validateColumnsDefaultsAndGetSampleBlock(default_expr_list, column_names_and_types, context_);
bool sanity_check_compression_codecs = !attach && !context_->getSettingsRef().allow_suspicious_codecs;
ColumnsDescription res;
auto name_type_it = column_names_and_types.begin();
for (auto ast_it = columns_ast.children.begin(); ast_it != columns_ast.children.end(); ++ast_it, ++name_type_it)
@ -511,8 +512,7 @@ InterpreterCreateQuery::TableProperties InterpreterCreateQuery::setProperties(AS
if (create.columns_list->columns)
{
bool sanity_check_compression_codecs = !create.attach && !getContext()->getSettingsRef().allow_suspicious_codecs;
properties.columns = getColumnsDescription(*create.columns_list->columns, getContext(), sanity_check_compression_codecs);
properties.columns = getColumnsDescription(*create.columns_list->columns, getContext(), create.attach);
}
if (create.columns_list->indices)

2
src/Interpreters/InterpreterCreateQuery.h
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@ -53,7 +53,7 @@ public:
/// Obtain information about columns, their types, default values and column comments,
/// for case when columns in CREATE query is specified explicitly.
static ColumnsDescription getColumnsDescription(const ASTExpressionList & columns, ContextPtr context, bool sanity_check_compression_codecs);
static ColumnsDescription getColumnsDescription(const ASTExpressionList & columns, ContextPtr context, bool attach);
static ConstraintsDescription getConstraintsDescription(const ASTExpressionList * constraints);
static void prepareOnClusterQuery(ASTCreateQuery & create, ContextPtr context, const String & cluster_name);

2
src/Interpreters/InterpreterSystemQuery.cpp
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@ -429,7 +429,7 @@ StoragePtr InterpreterSystemQuery::tryRestartReplica(const StorageID & replica,
auto & create = create_ast->as<ASTCreateQuery &>();
create.attach = true;
auto columns = InterpreterCreateQuery::getColumnsDescription(*create.columns_list->columns, system_context, false);
auto columns = InterpreterCreateQuery::getColumnsDescription(*create.columns_list->columns, system_context, true);
auto constraints = InterpreterCreateQuery::getConstraintsDescription(create.columns_list->constraints);
auto data_path = database->getTableDataPath(create);

2
src/TableFunctions/parseColumnsListForTableFunction.cpp
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@ -25,7 +25,7 @@ ColumnsDescription parseColumnsListFromString(const std::string & structure, Con
if (!columns_list)
throw Exception("Could not cast AST to ASTExpressionList", ErrorCodes::LOGICAL_ERROR);
return InterpreterCreateQuery::getColumnsDescription(*columns_list, context, !settings.allow_suspicious_codecs);
return InterpreterCreateQuery::getColumnsDescription(*columns_list, context, false);
}
}

3
tests/queries/0_stateless/01269_create_with_null.reference
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@ -2,3 +2,6 @@ Nullable(Int32) Int32 Nullable(Int32) Int32
CREATE TABLE default.data_null\n(\n `a` Nullable(Int32),\n `b` Int32,\n `c` Nullable(Int32),\n `d` Int32\n)\nENGINE = Memory
Nullable(Int32) Int32 Nullable(Int32) Nullable(Int32)
CREATE TABLE default.set_null\n(\n `a` Nullable(Int32),\n `b` Int32,\n `c` Nullable(Int32),\n `d` Nullable(Int32)\n)\nENGINE = Memory
CREATE TABLE default.set_null\n(\n `a` Nullable(Int32),\n `b` Int32,\n `c` Nullable(Int32),\n `d` Nullable(Int32)\n)\nENGINE = Memory
CREATE TABLE default.cannot_be_nullable\n(\n `n` Nullable(Int8),\n `a` Array(UInt8)\n)\nENGINE = Memory
CREATE TABLE default.cannot_be_nullable\n(\n `n` Nullable(Int8),\n `a` Array(UInt8)\n)\nENGINE = Memory

12
tests/queries/0_stateless/01269_create_with_null.sql
View File

@ -1,5 +1,6 @@
DROP TABLE IF EXISTS data_null;
DROP TABLE IF EXISTS set_null;
DROP TABLE IF EXISTS cannot_be_nullable;
SET data_type_default_nullable='false';
@ -45,6 +46,17 @@ INSERT INTO set_null VALUES (NULL, 2, NULL, NULL);
SELECT toTypeName(a), toTypeName(b), toTypeName(c), toTypeName(d) FROM set_null;
SHOW CREATE TABLE set_null;
DETACH TABLE set_null;
ATTACH TABLE set_null;
SHOW CREATE TABLE set_null;
CREATE TABLE cannot_be_nullable (n Int8, a Array(UInt8)) ENGINE=Memory; -- { serverError 43 }
CREATE TABLE cannot_be_nullable (n Int8, a Array(UInt8) NOT NULL) ENGINE=Memory;
SHOW CREATE TABLE cannot_be_nullable;
DETACH TABLE cannot_be_nullable;
ATTACH TABLE cannot_be_nullable;
SHOW CREATE TABLE cannot_be_nullable;
DROP TABLE data_null;
DROP TABLE set_null;
DROP TABLE cannot_be_nullable;