Parser::DDLStmt Class Reference

#include <ParserNode.h>

Inheritance diagram for Parser::DDLStmt:

Collaboration diagram for Parser::DDLStmt:

Public Member Functions
virtual void	execute (const Catalog_Namespace::SessionInfo &session, bool read_only_mode)=0
void	setColumnDescriptor (ColumnDescriptor &cd, const ColumnDef *coldef)
Public Member Functions inherited from Parser::Node
virtual	~Node ()

Detailed Description

Definition at line 760 of file ParserNode.h.

Member Function Documentation

virtual void Parser::DDLStmt::execute ( const Catalog_Namespace::SessionInfo &  session, bool  read_only_mode  )

pure virtual

Implemented in Parser::DropUserStmt, Parser::AlterUserStmt, Parser::CreateUserStmt, Parser::DropDBStmt, Parser::CreateDBStmt, Parser::DropViewStmt, Parser::CreateViewStmt, Parser::ExportQueryStmt, Parser::RevokeRoleStmt, Parser::GrantRoleStmt, Parser::ShowPrivilegesStmt, Parser::RevokePrivilegesStmt, Parser::GrantPrivilegesStmt, Parser::DropRoleStmt, Parser::CreateRoleStmt, Parser::CopyTableStmt, Parser::RestoreTableStmt, Parser::DumpTableStmt, Parser::AlterTableParamStmt, Parser::DropColumnStmt, Parser::AddColumnStmt, Parser::RenameColumnStmt, Parser::RenameTableStmt, Parser::RenameUserStmt, Parser::RenameDBStmt, Parser::ValidateStmt, Parser::OptimizeTableStmt, Parser::TruncateTableStmt, Parser::DropTableStmt, Parser::AlterTableStmt, Parser::CreateTableAsSelectStmt, Parser::InsertIntoTableAsSelectStmt, Parser::CreateDataframeStmt, and Parser::CreateTableStmt.

Referenced by Parser::execute_stmt_for_json(), and heavydb.cursor.Cursor::executemany().

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void Parser::DDLStmt::setColumnDescriptor	(	ColumnDescriptor &	cd,
		const ColumnDef *	coldef
	)

Definition at line 4998 of file ParserNode.cpp.

References Parser::ColumnDef::get_column_constraint(), Parser::ColumnDef::get_column_name(), Parser::ColumnDef::get_column_type(), Parser::ColumnDef::get_compression(), Parser::ColumnConstraintDef::get_defaultval(), ddl_utils::SqlType::get_is_array(), Parser::ColumnConstraintDef::get_notnull(), Parser::StringLiteral::get_stringval(), and ddl_utils::set_column_descriptor().

Referenced by Parser::CreateDataframeStmt::execute(), Parser::AddColumnStmt::execute(), and Parser::CreateTableStmt::executeDryRun().

                                                                               {
  bool not_null;
  const ColumnConstraintDef* cc = coldef->get_column_constraint();
  if (cc == nullptr) {
    not_null = false;
  } else {
    not_null = cc->get_notnull();
  }
  std::string default_value;
  const std::string* default_value_ptr = nullptr;
  if (cc) {
    if (auto def_val_literal = cc->get_defaultval()) {
      auto defaultsp = dynamic_cast<const StringLiteral*>(def_val_literal);
      default_value =
          defaultsp ? *defaultsp->get_stringval() : def_val_literal->to_string();
      // The preprocessing below is needed because:
      // a) TypedImportBuffer expects arrays in the {...} format
      // b) TypedImportBuffer expects string literals inside arrays w/o any quotes
      if (coldef->get_column_type()->get_is_array()) {
        std::regex array_re(R"(^ARRAY\s*\[(.*)\]$)", std::regex_constants::icase);
        default_value = std::regex_replace(default_value, array_re, "{$1}");
        boost::erase_all(default_value, "\'");
      }
      default_value_ptr = &default_value;
    }
  }
  ddl_utils::set_column_descriptor(*coldef->get_column_name(),
                                   cd,
                                   coldef->get_column_type(),
                                   not_null,
                                   coldef->get_compression(),
                                   default_value_ptr);
}

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

• /home/jenkins-slave/workspace/core-os-doxygen/Parser/ParserNode.h
• /home/jenkins-slave/workspace/core-os-doxygen/Parser/ParserNode.cpp