1922210f70
2. add IF EXIST support for DROP TABLE/VIEW 3. fix memory free bug: delete -> free 4. add features in sqlhelper.cpp
51 lines
1.2 KiB
C++
Executable File
51 lines
1.2 KiB
C++
Executable File
#ifndef __SQLPARSER__CREATE_STATEMENT_H__
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#define __SQLPARSER__CREATE_STATEMENT_H__
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#include "SQLStatement.h"
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// Note: Implementations of constructors and destructors can be found in statements.cpp.
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namespace hsql {
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struct SelectStatement;
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// Represents definition of a table column
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struct ColumnDefinition {
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enum DataType {
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UNKNOWN,
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TEXT,
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INT,
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DOUBLE
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};
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ColumnDefinition(char* name, DataType type);
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virtual ~ColumnDefinition();
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char* name;
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DataType type;
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};
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enum CreateType {
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kCreateTable,
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kCreateTableFromTbl, // Hyrise file format
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kCreateView
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};
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// Represents SQL Create statements.
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// Example: "CREATE TABLE students (name TEXT, student_number INTEGER, city TEXT, grade DOUBLE)"
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struct CreateStatement : SQLStatement {
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CreateStatement(CreateType type);
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virtual ~CreateStatement();
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CreateType type;
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bool ifNotExists; // default: false
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char* filePath; // default: nullptr
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char* schema; // default: nullptr
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char* tableName; // default: nullptr
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std::vector<ColumnDefinition*>* columns; // default: nullptr
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std::vector<char*>* viewColumns;
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SelectStatement* select;
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};
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} // namespace hsql
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#endif
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