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Parser::CreateDataframeStmt Class Reference

#include <ParserNode.h>

+ Inheritance diagram for Parser::CreateDataframeStmt:
+ Collaboration diagram for Parser::CreateDataframeStmt:

Public Member Functions

 CreateDataframeStmt (std::string *tab, std::list< TableElement * > *table_elems, std::string *filename, std::list< NameValueAssign * > *s)
 
const std::string * get_table () const override
 
const std::list
< std::unique_ptr
< TableElement > > & 
get_table_element_list () const override
 
void execute (const Catalog_Namespace::SessionInfo &session) override
 
- Public Member Functions inherited from Parser::DDLStmt
void setColumnDescriptor (ColumnDescriptor &cd, const ColumnDef *coldef)
 
- Public Member Functions inherited from Parser::Node
virtual ~Node ()
 

Private Attributes

std::unique_ptr< std::string > table_
 
std::list< std::unique_ptr
< TableElement > > 
table_element_list_
 
std::unique_ptr< std::string > filename_
 
std::list< std::unique_ptr
< NameValueAssign > > 
storage_options_
 

Detailed Description

Definition at line 1034 of file ParserNode.h.

Constructor & Destructor Documentation

Parser::CreateDataframeStmt::CreateDataframeStmt ( std::string *  tab,
std::list< TableElement * > *  table_elems,
std::string *  filename,
std::list< NameValueAssign * > *  s 
)
inline

Definition at line 1036 of file ParserNode.h.

References CHECK, storage_options_, and table_element_list_.

1040  : table_(tab), filename_(filename) {
1041  CHECK(table_elems);
1042  for (const auto e : *table_elems) {
1043  table_element_list_.emplace_back(e);
1044  }
1045  delete table_elems;
1046  if (s) {
1047  for (const auto e : *s) {
1048  storage_options_.emplace_back(e);
1049  }
1050  delete s;
1051  }
1052  }
std::string filename(char const *path)
Definition: Logger.cpp:62
std::list< std::unique_ptr< NameValueAssign > > storage_options_
Definition: ParserNode.h:1065
std::unique_ptr< std::string > table_
Definition: ParserNode.h:1062
#define CHECK(condition)
Definition: Logger.h:197
std::list< std::unique_ptr< TableElement > > table_element_list_
Definition: ParserNode.h:1063
std::unique_ptr< std::string > filename_
Definition: ParserNode.h:1064

Member Function Documentation

void Parser::CreateDataframeStmt::execute ( const Catalog_Namespace::SessionInfo session)
overridevirtual

Implements Parser::DDLStmt.

Definition at line 2275 of file ParserNode.cpp.

References Catalog_Namespace::SessionInfo::checkDBAccessPrivileges(), ColumnDescriptor::columnName, Data_Namespace::CPU_LEVEL, AccessPrivileges::CREATE_TABLE, DEFAULT_FRAGMENT_ROWS, DEFAULT_MAX_CHUNK_SIZE, DEFAULT_MAX_ROWS, DEFAULT_PAGE_SIZE, legacylockmgr::ExecutorOuterLock, TableDescriptor::fragmenter, TableDescriptor::fragPageSize, TableDescriptor::fragType, Parser::ColumnDef::get_column_name(), Catalog_Namespace::SessionInfo::get_currentUser(), Parser::anonymous_namespace{ParserNode.cpp}::get_dataframe_definitions(), Catalog_Namespace::SessionInfo::getCatalog(), legacylockmgr::LockMgr< MutexType, KeyType >::getMutex(), Fragmenter_Namespace::INSERT_ORDER, TableDescriptor::isView, TableDescriptor::keyMetainfo, TableDescriptor::maxChunkSize, TableDescriptor::maxFragRows, TableDescriptor::maxRows, TableDescriptor::nColumns, TableDescriptor::persistenceLevel, Parser::anonymous_namespace{ParserNode.cpp}::serialize_key_metainfo(), TableDescriptor::storageType, TableDBObjectType, TableDescriptor::tableName, TableDescriptor::userId, Catalog_Namespace::UserMetadata::userId, and validate_shared_dictionary().

Referenced by omnisci.cursor.Cursor::executemany().

2275  {
2276  auto& catalog = session.getCatalog();
2277 
2278  const auto execute_write_lock = mapd_unique_lock<mapd_shared_mutex>(
2281 
2282  // check access privileges
2285  throw std::runtime_error("Table " + *table_ +
2286  " will not be created. User has no create privileges.");
2287  }
2288 
2289  if (catalog.getMetadataForTable(*table_) != nullptr) {
2290  throw std::runtime_error("Table " + *table_ + " already exists.");
2291  }
2293  std::list<ColumnDescriptor> columns;
2294  std::vector<SharedDictionaryDef> shared_dict_defs;
2295 
2296  std::unordered_set<std::string> uc_col_names;
2297  for (auto& e : table_element_list_) {
2298  if (dynamic_cast<SharedDictionaryDef*>(e.get())) {
2299  auto shared_dict_def = static_cast<SharedDictionaryDef*>(e.get());
2301  this, shared_dict_def, columns, shared_dict_defs, catalog);
2302  shared_dict_defs.push_back(*shared_dict_def);
2303  continue;
2304  }
2305  if (!dynamic_cast<ColumnDef*>(e.get())) {
2306  throw std::runtime_error("Table constraints are not supported yet.");
2307  }
2308  ColumnDef* coldef = static_cast<ColumnDef*>(e.get());
2309  ColumnDescriptor cd;
2310  cd.columnName = *coldef->get_column_name();
2311  const auto uc_col_name = boost::to_upper_copy<std::string>(cd.columnName);
2312  const auto it_ok = uc_col_names.insert(uc_col_name);
2313  if (!it_ok.second) {
2314  throw std::runtime_error("Column '" + cd.columnName + "' defined more than once");
2315  }
2316 
2317  setColumnDescriptor(cd, coldef);
2318  columns.push_back(cd);
2319  }
2320 
2321  df_td.tableName = *table_;
2322  df_td.nColumns = columns.size();
2323  df_td.isView = false;
2324  df_td.fragmenter = nullptr;
2329  df_td.maxRows = DEFAULT_MAX_ROWS;
2331  if (!storage_options_.empty()) {
2332  for (auto& p : storage_options_) {
2333  get_dataframe_definitions(df_td, p, columns);
2334  }
2335  }
2336  df_td.keyMetainfo = serialize_key_metainfo(nullptr, shared_dict_defs);
2337  df_td.userId = session.get_currentUser().userId;
2338  df_td.storageType = *filename_;
2339 
2340  catalog.createShardedTable(df_td, columns, shared_dict_defs);
2341  // TODO (max): It's transactionally unsafe, should be fixed: we may create object w/o
2342  // privileges
2343  SysCatalog::instance().createDBObject(
2344  session.get_currentUser(), df_td.tableName, TableDBObjectType, catalog);
2345 }
std::list< std::unique_ptr< NameValueAssign > > storage_options_
Definition: ParserNode.h:1065
void setColumnDescriptor(ColumnDescriptor &cd, const ColumnDef *coldef)
std::string tableName
std::string storageType
#define DEFAULT_MAX_CHUNK_SIZE
std::unique_ptr< std::string > table_
Definition: ParserNode.h:1062
#define DEFAULT_MAX_ROWS
void get_dataframe_definitions(DataframeTableDescriptor &df_td, const std::unique_ptr< NameValueAssign > &p, const std::list< ColumnDescriptor > &columns)
specifies the content in-memory of a row in the column metadata table
static const AccessPrivileges CREATE_TABLE
Definition: DBObject.h:159
std::string keyMetainfo
std::shared_ptr< Fragmenter_Namespace::AbstractFragmenter > fragmenter
#define DEFAULT_PAGE_SIZE
Catalog & getCatalog() const
Definition: SessionInfo.h:65
#define DEFAULT_FRAGMENT_ROWS
Fragmenter_Namespace::FragmenterType fragType
Data_Namespace::MemoryLevel persistenceLevel
static std::shared_ptr< MutexType > getMutex(const LockType lockType, const KeyType &key)
Definition: LegacyLockMgr.h:51
void validate_shared_dictionary(const Parser::CreateTableBaseStmt *stmt, const Parser::SharedDictionaryDef *shared_dict_def, const std::list< ColumnDescriptor > &columns, const std::vector< Parser::SharedDictionaryDef > &shared_dict_defs_so_far, const Catalog_Namespace::Catalog &catalog)
bool checkDBAccessPrivileges(const DBObjectType &permissionType, const AccessPrivileges &privs, const std::string &objectName="") const
Definition: SessionInfo.cpp:24
std::list< std::unique_ptr< TableElement > > table_element_list_
Definition: ParserNode.h:1063
std::string columnName
const UserMetadata & get_currentUser() const
Definition: SessionInfo.h:68
std::unique_ptr< std::string > filename_
Definition: ParserNode.h:1064
std::string serialize_key_metainfo(const ShardKeyDef *shard_key_def, const std::vector< SharedDictionaryDef > &shared_dict_defs)
specifies the content in-memory of a row in the table metadata table

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const std::string* Parser::CreateDataframeStmt::get_table ( ) const
inlineoverridevirtual

Implements Parser::CreateTableBaseStmt.

Definition at line 1053 of file ParserNode.h.

References table_.

1053 { return table_.get(); }
std::unique_ptr< std::string > table_
Definition: ParserNode.h:1062
const std::list<std::unique_ptr<TableElement> >& Parser::CreateDataframeStmt::get_table_element_list ( ) const
inlineoverridevirtual

Implements Parser::CreateTableBaseStmt.

Definition at line 1054 of file ParserNode.h.

References table_element_list_.

1055  {
1056  return table_element_list_;
1057  }
std::list< std::unique_ptr< TableElement > > table_element_list_
Definition: ParserNode.h:1063

Member Data Documentation

std::unique_ptr<std::string> Parser::CreateDataframeStmt::filename_
private

Definition at line 1064 of file ParserNode.h.

std::list<std::unique_ptr<NameValueAssign> > Parser::CreateDataframeStmt::storage_options_
private

Definition at line 1065 of file ParserNode.h.

Referenced by CreateDataframeStmt().

std::unique_ptr<std::string> Parser::CreateDataframeStmt::table_
private

Definition at line 1062 of file ParserNode.h.

Referenced by get_table().

std::list<std::unique_ptr<TableElement> > Parser::CreateDataframeStmt::table_element_list_
private

Definition at line 1063 of file ParserNode.h.

Referenced by CreateDataframeStmt(), and get_table_element_list().


The documentation for this class was generated from the following files: