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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 1044 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 1046 of file ParserNode.h.

References CHECK, storage_options_, and table_element_list_.

1050  : table_(tab), filename_(filename) {
1051  CHECK(table_elems);
1052  for (const auto e : *table_elems) {
1053  table_element_list_.emplace_back(e);
1054  }
1055  delete table_elems;
1056  if (s) {
1057  for (const auto e : *s) {
1058  storage_options_.emplace_back(e);
1059  }
1060  delete s;
1061  }
1062  }
std::string filename(char const *path)
Definition: Logger.cpp:62
std::list< std::unique_ptr< NameValueAssign > > storage_options_
Definition: ParserNode.h:1075
std::unique_ptr< std::string > table_
Definition: ParserNode.h:1072
#define CHECK(condition)
Definition: Logger.h:206
std::list< std::unique_ptr< TableElement > > table_element_list_
Definition: ParserNode.h:1073
std::unique_ptr< std::string > filename_
Definition: ParserNode.h:1074

Member Function Documentation

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

Implements Parser::DDLStmt.

Definition at line 2498 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().

2498  {
2499  auto& catalog = session.getCatalog();
2500 
2501  const auto execute_write_lock = mapd_unique_lock<mapd_shared_mutex>(
2504 
2505  // check access privileges
2508  throw std::runtime_error("Table " + *table_ +
2509  " will not be created. User has no create privileges.");
2510  }
2511 
2512  if (catalog.getMetadataForTable(*table_) != nullptr) {
2513  throw std::runtime_error("Table " + *table_ + " already exists.");
2514  }
2516  std::list<ColumnDescriptor> columns;
2517  std::vector<SharedDictionaryDef> shared_dict_defs;
2518 
2519  std::unordered_set<std::string> uc_col_names;
2520  for (auto& e : table_element_list_) {
2521  if (dynamic_cast<SharedDictionaryDef*>(e.get())) {
2522  auto shared_dict_def = static_cast<SharedDictionaryDef*>(e.get());
2524  this, shared_dict_def, columns, shared_dict_defs, catalog);
2525  shared_dict_defs.push_back(*shared_dict_def);
2526  continue;
2527  }
2528  if (!dynamic_cast<ColumnDef*>(e.get())) {
2529  throw std::runtime_error("Table constraints are not supported yet.");
2530  }
2531  ColumnDef* coldef = static_cast<ColumnDef*>(e.get());
2532  ColumnDescriptor cd;
2533  cd.columnName = *coldef->get_column_name();
2534  const auto uc_col_name = boost::to_upper_copy<std::string>(cd.columnName);
2535  const auto it_ok = uc_col_names.insert(uc_col_name);
2536  if (!it_ok.second) {
2537  throw std::runtime_error("Column '" + cd.columnName + "' defined more than once");
2538  }
2539 
2540  setColumnDescriptor(cd, coldef);
2541  columns.push_back(cd);
2542  }
2543 
2544  df_td.tableName = *table_;
2545  df_td.nColumns = columns.size();
2546  df_td.isView = false;
2547  df_td.fragmenter = nullptr;
2552  df_td.maxRows = DEFAULT_MAX_ROWS;
2554  if (!storage_options_.empty()) {
2555  for (auto& p : storage_options_) {
2556  get_dataframe_definitions(df_td, p, columns);
2557  }
2558  }
2559  df_td.keyMetainfo = serialize_key_metainfo(nullptr, shared_dict_defs);
2560  df_td.userId = session.get_currentUser().userId;
2561  df_td.storageType = *filename_;
2562 
2563  catalog.createShardedTable(df_td, columns, shared_dict_defs);
2564  // TODO (max): It's transactionally unsafe, should be fixed: we may create object w/o
2565  // privileges
2566  SysCatalog::instance().createDBObject(
2567  session.get_currentUser(), df_td.tableName, TableDBObjectType, catalog);
2568 }
std::list< std::unique_ptr< NameValueAssign > > storage_options_
Definition: ParserNode.h:1075
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:1072
#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:160
std::string keyMetainfo
std::shared_ptr< Fragmenter_Namespace::AbstractFragmenter > fragmenter
#define DEFAULT_PAGE_SIZE
Catalog & getCatalog() const
Definition: SessionInfo.h:67
#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:1073
std::string columnName
const UserMetadata & get_currentUser() const
Definition: SessionInfo.h:73
std::unique_ptr< std::string > filename_
Definition: ParserNode.h:1074
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 1063 of file ParserNode.h.

References table_.

1063 { return table_.get(); }
std::unique_ptr< std::string > table_
Definition: ParserNode.h:1072
const std::list<std::unique_ptr<TableElement> >& Parser::CreateDataframeStmt::get_table_element_list ( ) const
inlineoverridevirtual

Implements Parser::CreateTableBaseStmt.

Definition at line 1064 of file ParserNode.h.

References table_element_list_.

1065  {
1066  return table_element_list_;
1067  }
std::list< std::unique_ptr< TableElement > > table_element_list_
Definition: ParserNode.h:1073

Member Data Documentation

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

Definition at line 1074 of file ParserNode.h.

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

Definition at line 1075 of file ParserNode.h.

Referenced by CreateDataframeStmt().

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

Definition at line 1072 of file ParserNode.h.

Referenced by get_table().

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

Definition at line 1073 of file ParserNode.h.

Referenced by CreateDataframeStmt(), and get_table_element_list().


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