Support more of the CREATE TABLE command (#101)

* Support more of the CREATE TABLE command

* bison version

* build on nemea

* bla

* Check for flex version
This commit is contained in:
mrks 2018-10-19 14:18:03 +02:00 committed by GitHub
parent 79bdad949f
commit f7bd4ee592
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 2887 additions and 2706 deletions

View File

@ -1,15 +1,26 @@
# bison's version is too old on OSX, allow user to pass in custom path
BISON?=bison
FLEX?=flex
BISON_VERSION=$(shell $(BISON) --version | head -n 1 | grep -o '[0-9]\.[0-9]\+')
BISON_VERSION_SUPPORTED=$(shell echo $(BISON_VERSION) \>= 3.0 | bc)
ifneq ($(BISON_VERSION_SUPPORTED), 1)
$(error Bison version $(BISON_VERSION) not supported. If you are using OS X, `bison` uses the system default instead of the brew version. Run BISON=/usr/local/opt/bison/bin/bison make)
endif
FLEX_VERSION=$(shell $(FLEX) --version | head -n 1 | grep -o '[0-9]\.[0-9]\+')
FLEX_VERSION_SUPPORTED=$(shell echo $(FLEX_VERSION) \>= 2.6 | bc)
ifneq ($(FLEX_VERSION_SUPPORTED), 1)
$(error Flex version $(FLEX_VERSION) not supported. If you are using OS X, `flex` uses the system default instead of the brew version. Run FLEX=/usr/local/opt/flex/bin/flex make)
endif
all: bison_parser.cpp flex_lexer.cpp
bison_parser.cpp: bison_parser.y
@$(BISON) --version | head -n 1
$(BISON) bison_parser.y --output=bison_parser.cpp --defines=bison_parser.h --verbose
flex_lexer.cpp: flex_lexer.l
@flex --version
flex flex_lexer.l
$(FLEX) flex_lexer.l
clean:
rm -f bison_parser.cpp flex_lexer.cpp bison_parser.h flex_lexer.h *.output

File diff suppressed because it is too large Load Diff

View File

@ -1,8 +1,8 @@
/* A Bison parser, made by GNU Bison 3.0.4. */
/* A Bison parser, made by GNU Bison 3.1. */
/* Bison interface for Yacc-like parsers in C
Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.
Copyright (C) 1984, 1989-1990, 2000-2015, 2018 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -48,7 +48,7 @@
extern int hsql_debug;
#endif
/* "%code requires" blocks. */
#line 35 "bison_parser.y" /* yacc.c:1909 */
#line 35 "bison_parser.y" /* yacc.c:1919 */
// %code requires block
@ -72,7 +72,7 @@ extern int hsql_debug;
} \
}
#line 76 "bison_parser.h" /* yacc.c:1909 */
#line 76 "bison_parser.h" /* yacc.c:1919 */
/* Token type. */
#ifndef HSQL_TOKENTYPE
@ -107,115 +107,119 @@ extern int hsql_debug;
SQL_PRIMARY = 283,
SQL_SCHEMAS = 284,
SQL_SPATIAL = 285,
SQL_VIRTUAL = 286,
SQL_BEFORE = 287,
SQL_COLUMN = 288,
SQL_CREATE = 289,
SQL_DELETE = 290,
SQL_DIRECT = 291,
SQL_DOUBLE = 292,
SQL_ESCAPE = 293,
SQL_EXCEPT = 294,
SQL_EXISTS = 295,
SQL_EXTRACT = 296,
SQL_GLOBAL = 297,
SQL_HAVING = 298,
SQL_IMPORT = 299,
SQL_INSERT = 300,
SQL_ISNULL = 301,
SQL_OFFSET = 302,
SQL_RENAME = 303,
SQL_SCHEMA = 304,
SQL_SELECT = 305,
SQL_SORTED = 306,
SQL_TABLES = 307,
SQL_UNIQUE = 308,
SQL_UNLOAD = 309,
SQL_UPDATE = 310,
SQL_VALUES = 311,
SQL_AFTER = 312,
SQL_ALTER = 313,
SQL_CROSS = 314,
SQL_DELTA = 315,
SQL_GROUP = 316,
SQL_INDEX = 317,
SQL_INNER = 318,
SQL_LIMIT = 319,
SQL_LOCAL = 320,
SQL_MERGE = 321,
SQL_MINUS = 322,
SQL_ORDER = 323,
SQL_OUTER = 324,
SQL_RIGHT = 325,
SQL_TABLE = 326,
SQL_UNION = 327,
SQL_USING = 328,
SQL_WHERE = 329,
SQL_CALL = 330,
SQL_CASE = 331,
SQL_DATE = 332,
SQL_DESC = 333,
SQL_DROP = 334,
SQL_ELSE = 335,
SQL_FILE = 336,
SQL_FROM = 337,
SQL_FULL = 338,
SQL_HASH = 339,
SQL_HINT = 340,
SQL_INTO = 341,
SQL_JOIN = 342,
SQL_LEFT = 343,
SQL_LIKE = 344,
SQL_LOAD = 345,
SQL_NULL = 346,
SQL_PLAN = 347,
SQL_SHOW = 348,
SQL_TEXT = 349,
SQL_THEN = 350,
SQL_TIME = 351,
SQL_VIEW = 352,
SQL_WHEN = 353,
SQL_WITH = 354,
SQL_ADD = 355,
SQL_ALL = 356,
SQL_AND = 357,
SQL_ASC = 358,
SQL_CSV = 359,
SQL_END = 360,
SQL_FOR = 361,
SQL_INT = 362,
SQL_KEY = 363,
SQL_NOT = 364,
SQL_OFF = 365,
SQL_SET = 366,
SQL_TBL = 367,
SQL_TOP = 368,
SQL_AS = 369,
SQL_BY = 370,
SQL_IF = 371,
SQL_IN = 372,
SQL_IS = 373,
SQL_OF = 374,
SQL_ON = 375,
SQL_OR = 376,
SQL_TO = 377,
SQL_ARRAY = 378,
SQL_CONCAT = 379,
SQL_ILIKE = 380,
SQL_SECOND = 381,
SQL_MINUTE = 382,
SQL_HOUR = 383,
SQL_DAY = 384,
SQL_MONTH = 385,
SQL_YEAR = 386,
SQL_EQUALS = 387,
SQL_NOTEQUALS = 388,
SQL_LESS = 389,
SQL_GREATER = 390,
SQL_LESSEQ = 391,
SQL_GREATEREQ = 392,
SQL_NOTNULL = 393,
SQL_UMINUS = 394
SQL_VARCHAR = 286,
SQL_VIRTUAL = 287,
SQL_BEFORE = 288,
SQL_COLUMN = 289,
SQL_CREATE = 290,
SQL_DELETE = 291,
SQL_DIRECT = 292,
SQL_DOUBLE = 293,
SQL_ESCAPE = 294,
SQL_EXCEPT = 295,
SQL_EXISTS = 296,
SQL_EXTRACT = 297,
SQL_GLOBAL = 298,
SQL_HAVING = 299,
SQL_IMPORT = 300,
SQL_INSERT = 301,
SQL_ISNULL = 302,
SQL_OFFSET = 303,
SQL_RENAME = 304,
SQL_SCHEMA = 305,
SQL_SELECT = 306,
SQL_SORTED = 307,
SQL_TABLES = 308,
SQL_UNIQUE = 309,
SQL_UNLOAD = 310,
SQL_UPDATE = 311,
SQL_VALUES = 312,
SQL_AFTER = 313,
SQL_ALTER = 314,
SQL_CROSS = 315,
SQL_DELTA = 316,
SQL_FLOAT = 317,
SQL_GROUP = 318,
SQL_INDEX = 319,
SQL_INNER = 320,
SQL_LIMIT = 321,
SQL_LOCAL = 322,
SQL_MERGE = 323,
SQL_MINUS = 324,
SQL_ORDER = 325,
SQL_OUTER = 326,
SQL_RIGHT = 327,
SQL_TABLE = 328,
SQL_UNION = 329,
SQL_USING = 330,
SQL_WHERE = 331,
SQL_CALL = 332,
SQL_CASE = 333,
SQL_CHAR = 334,
SQL_DATE = 335,
SQL_DESC = 336,
SQL_DROP = 337,
SQL_ELSE = 338,
SQL_FILE = 339,
SQL_FROM = 340,
SQL_FULL = 341,
SQL_HASH = 342,
SQL_HINT = 343,
SQL_INTO = 344,
SQL_JOIN = 345,
SQL_LEFT = 346,
SQL_LIKE = 347,
SQL_LOAD = 348,
SQL_LONG = 349,
SQL_NULL = 350,
SQL_PLAN = 351,
SQL_SHOW = 352,
SQL_TEXT = 353,
SQL_THEN = 354,
SQL_TIME = 355,
SQL_VIEW = 356,
SQL_WHEN = 357,
SQL_WITH = 358,
SQL_ADD = 359,
SQL_ALL = 360,
SQL_AND = 361,
SQL_ASC = 362,
SQL_CSV = 363,
SQL_END = 364,
SQL_FOR = 365,
SQL_INT = 366,
SQL_KEY = 367,
SQL_NOT = 368,
SQL_OFF = 369,
SQL_SET = 370,
SQL_TBL = 371,
SQL_TOP = 372,
SQL_AS = 373,
SQL_BY = 374,
SQL_IF = 375,
SQL_IN = 376,
SQL_IS = 377,
SQL_OF = 378,
SQL_ON = 379,
SQL_OR = 380,
SQL_TO = 381,
SQL_ARRAY = 382,
SQL_CONCAT = 383,
SQL_ILIKE = 384,
SQL_SECOND = 385,
SQL_MINUTE = 386,
SQL_HOUR = 387,
SQL_DAY = 388,
SQL_MONTH = 389,
SQL_YEAR = 390,
SQL_EQUALS = 391,
SQL_NOTEQUALS = 392,
SQL_LESS = 393,
SQL_GREATER = 394,
SQL_LESSEQ = 395,
SQL_GREATEREQ = 396,
SQL_NOTNULL = 397,
SQL_UMINUS = 398
};
#endif
@ -224,7 +228,7 @@ extern int hsql_debug;
union HSQL_STYPE
{
#line 95 "bison_parser.y" /* yacc.c:1909 */
#line 95 "bison_parser.y" /* yacc.c:1919 */
double fval;
int64_t ival;
@ -252,6 +256,7 @@ union HSQL_STYPE
hsql::DatetimeField datetime_field;
hsql::LimitDescription* limit;
hsql::ColumnDefinition* column_t;
hsql::ColumnType column_type_t;
hsql::GroupByDescription* group_t;
hsql::UpdateClause* update_t;
hsql::Alias* alias_t;
@ -265,7 +270,7 @@ union HSQL_STYPE
std::vector<hsql::Expr*>* expr_vec;
std::vector<hsql::OrderDescription*>* order_vec;
#line 269 "bison_parser.h" /* yacc.c:1909 */
#line 274 "bison_parser.h" /* yacc.c:1919 */
};
typedef union HSQL_STYPE HSQL_STYPE;

View File

@ -119,6 +119,7 @@ int yyerror(YYLTYPE* llocp, SQLParserResult* result, yyscan_t scanner, const cha
hsql::DatetimeField datetime_field;
hsql::LimitDescription* limit;
hsql::ColumnDefinition* column_t;
hsql::ColumnType column_type_t;
hsql::GroupByDescription* group_t;
hsql::UpdateClause* update_t;
hsql::Alias* alias_t;
@ -137,7 +138,7 @@ int yyerror(YYLTYPE* llocp, SQLParserResult* result, yyscan_t scanner, const cha
/*********************************
** Destructor symbols
*********************************/
%destructor { } <fval> <ival> <uval> <bval> <order_type> <datetime_field>
%destructor { } <fval> <ival> <uval> <bval> <order_type> <datetime_field> <column_type_t>
%destructor { free( ($$.name) ); free( ($$.schema) ); } <table_name>
%destructor { free( ($$) ); } <sval>
%destructor {
@ -163,14 +164,14 @@ int yyerror(YYLTYPE* llocp, SQLParserResult* result, yyscan_t scanner, const cha
%token DISTINCT NVARCHAR RESTRICT TRUNCATE ANALYZE BETWEEN
%token CASCADE COLUMNS CONTROL DEFAULT EXECUTE EXPLAIN
%token HISTORY INTEGER NATURAL PREPARE PRIMARY SCHEMAS
%token SPATIAL VIRTUAL BEFORE COLUMN CREATE DELETE DIRECT
%token SPATIAL VARCHAR VIRTUAL BEFORE COLUMN CREATE DELETE DIRECT
%token DOUBLE ESCAPE EXCEPT EXISTS EXTRACT GLOBAL HAVING IMPORT
%token INSERT ISNULL OFFSET RENAME SCHEMA SELECT SORTED
%token TABLES UNIQUE UNLOAD UPDATE VALUES AFTER ALTER CROSS
%token DELTA GROUP INDEX INNER LIMIT LOCAL MERGE MINUS ORDER
%token OUTER RIGHT TABLE UNION USING WHERE CALL CASE DATE
%token DELTA FLOAT GROUP INDEX INNER LIMIT LOCAL MERGE MINUS ORDER
%token OUTER RIGHT TABLE UNION USING WHERE CALL CASE CHAR DATE
%token DESC DROP ELSE FILE FROM FULL HASH HINT INTO JOIN
%token LEFT LIKE LOAD NULL PLAN SHOW TEXT THEN TIME
%token LEFT LIKE LOAD LONG NULL PLAN SHOW TEXT THEN TIME
%token VIEW WHEN WITH ADD ALL AND ASC CSV END FOR INT KEY
%token NOT OFF SET TBL TOP AS BY IF IN IS OF ON OR TO
%token ARRAY CONCAT ILIKE SECOND MINUTE HOUR DAY MONTH YEAR
@ -178,37 +179,38 @@ int yyerror(YYLTYPE* llocp, SQLParserResult* result, yyscan_t scanner, const cha
/*********************************
** Non-Terminal types (http://www.gnu.org/software/bison/manual/html_node/Type-Decl.html)
*********************************/
%type <stmt_vec> statement_list
%type <statement> statement preparable_statement
%type <exec_stmt> execute_statement
%type <prep_stmt> prepare_statement
%type <select_stmt> select_statement select_with_paren select_no_paren select_clause select_paren_or_clause
%type <import_stmt> import_statement
%type <create_stmt> create_statement
%type <insert_stmt> insert_statement
%type <delete_stmt> delete_statement truncate_statement
%type <update_stmt> update_statement
%type <drop_stmt> drop_statement
%type <show_stmt> show_statement
%type <table_name> table_name
%type <sval> file_path prepare_target_query
%type <bval> opt_not_exists opt_exists opt_distinct
%type <uval> import_file_type opt_join_type column_type
%type <table> opt_from_clause from_clause table_ref table_ref_atomic table_ref_name nonjoin_table_ref_atomic
%type <table> join_clause table_ref_name_no_alias
%type <expr> expr operand scalar_expr unary_expr binary_expr logic_expr exists_expr extract_expr
%type <expr> function_expr between_expr expr_alias param_expr
%type <expr> column_name literal int_literal num_literal string_literal
%type <expr> comp_expr opt_where join_condition opt_having case_expr case_list in_expr hint
%type <expr> array_expr array_index null_literal
%type <limit> opt_limit opt_top
%type <order> order_desc
%type <order_type> opt_order_type
%type <stmt_vec> statement_list
%type <statement> statement preparable_statement
%type <exec_stmt> execute_statement
%type <prep_stmt> prepare_statement
%type <select_stmt> select_statement select_with_paren select_no_paren select_clause select_paren_or_clause
%type <import_stmt> import_statement
%type <create_stmt> create_statement
%type <insert_stmt> insert_statement
%type <delete_stmt> delete_statement truncate_statement
%type <update_stmt> update_statement
%type <drop_stmt> drop_statement
%type <show_stmt> show_statement
%type <table_name> table_name
%type <sval> file_path prepare_target_query
%type <bval> opt_not_exists opt_exists opt_distinct opt_column_nullable
%type <uval> import_file_type opt_join_type
%type <table> opt_from_clause from_clause table_ref table_ref_atomic table_ref_name nonjoin_table_ref_atomic
%type <table> join_clause table_ref_name_no_alias
%type <expr> expr operand scalar_expr unary_expr binary_expr logic_expr exists_expr extract_expr
%type <expr> function_expr between_expr expr_alias param_expr
%type <expr> column_name literal int_literal num_literal string_literal
%type <expr> comp_expr opt_where join_condition opt_having case_expr case_list in_expr hint
%type <expr> array_expr array_index null_literal
%type <limit> opt_limit opt_top
%type <order> order_desc
%type <order_type> opt_order_type
%type <datetime_field> datetime_field
%type <column_t> column_def
%type <update_t> update_clause
%type <group_t> opt_group
%type <alias_t> opt_table_alias table_alias opt_alias alias
%type <column_t> column_def
%type <column_type_t> column_type
%type <update_t> update_clause
%type <group_t> opt_group
%type <alias_t> opt_table_alias table_alias opt_alias alias
%type <str_vec> ident_commalist opt_column_list
%type <expr_vec> expr_list select_list literal_list hint_list opt_hints
@ -444,17 +446,26 @@ column_def_commalist:
;
column_def:
IDENTIFIER column_type {
$$ = new ColumnDefinition($1, (ColumnDefinition::DataType) $2);
IDENTIFIER column_type opt_column_nullable {
$$ = new ColumnDefinition($1, $2, $3);
}
;
column_type:
INT { $$ = ColumnDefinition::INT; }
| INTEGER { $$ = ColumnDefinition::INT; }
| DOUBLE { $$ = ColumnDefinition::DOUBLE; }
| TEXT { $$ = ColumnDefinition::TEXT; }
INT { $$ = ColumnType{DataType::INT}; }
| INTEGER { $$ = ColumnType{DataType::INT}; }
| LONG { $$ = ColumnType{DataType::LONG}; }
| FLOAT { $$ = ColumnType{DataType::FLOAT}; }
| DOUBLE { $$ = ColumnType{DataType::DOUBLE}; }
| VARCHAR '(' INTVAL ')' { $$ = ColumnType{DataType::VARCHAR, $3}; }
| CHAR '(' INTVAL ')' { $$ = ColumnType{DataType::CHAR, $3}; }
| TEXT { $$ = ColumnType{DataType::TEXT}; }
;
opt_column_nullable:
NULL { $$ = true; }
| NOT NULL { $$ = false; }
| /* empty */ { $$ = false; }
;
/******************************

File diff suppressed because it is too large Load Diff

View File

@ -2,9 +2,9 @@
#define hsql_HEADER_H 1
#define hsql_IN_HEADER 1
#line 6 "flex_lexer.h"
#line 5 "flex_lexer.h"
#line 8 "flex_lexer.h"
#line 7 "flex_lexer.h"
#define YY_INT_ALIGNED short int
@ -729,9 +729,9 @@ extern int yylex \
#undef yyTABLES_NAME
#endif
#line 225 "flex_lexer.l"
#line 227 "flex_lexer.l"
#line 736 "flex_lexer.h"
#line 735 "flex_lexer.h"
#undef hsql_IN_HEADER
#endif /* hsql_HEADER_H */

View File

@ -80,6 +80,7 @@ PREPARE TOKEN(PREPARE)
PRIMARY TOKEN(PRIMARY)
SCHEMAS TOKEN(SCHEMAS)
SPATIAL TOKEN(SPATIAL)
VARCHAR TOKEN(VARCHAR)
VIRTUAL TOKEN(VIRTUAL)
BEFORE TOKEN(BEFORE)
COLUMN TOKEN(COLUMN)
@ -127,6 +128,7 @@ USING TOKEN(USING)
WHERE TOKEN(WHERE)
CALL TOKEN(CALL)
CASE TOKEN(CASE)
CHAR TOKEN(CHAR)
DATE TOKEN(DATE)
DESC TOKEN(DESC)
DROP TOKEN(DROP)

View File

@ -3,24 +3,43 @@
#include "SQLStatement.h"
#include <ostream>
// Note: Implementations of constructors and destructors can be found in statements.cpp.
namespace hsql {
struct SelectStatement;
enum class DataType {
UNKNOWN,
INT,
LONG,
FLOAT,
DOUBLE,
CHAR,
VARCHAR,
TEXT
};
// Represents the type of a column, e.g., FLOAT or VARCHAR(10)
struct ColumnType {
ColumnType() = default;
ColumnType(DataType data_type, int64_t length = 0);
DataType data_type;
int64_t length; // Used for, e.g., VARCHAR(10)
};
bool operator==(const ColumnType& lhs, const ColumnType& rhs);
bool operator!=(const ColumnType& lhs, const ColumnType& rhs);
std::ostream& operator<<(std::ostream&, const ColumnType&);
// Represents definition of a table column
struct ColumnDefinition {
enum DataType {
UNKNOWN,
TEXT,
INT,
DOUBLE
};
ColumnDefinition(char* name, DataType type);
ColumnDefinition(char* name, ColumnType type, bool nullable);
virtual ~ColumnDefinition();
char* name;
DataType type;
ColumnType type;
bool nullable;
};
enum CreateType {

View File

@ -1,17 +1,64 @@
#include "statements.h"
namespace hsql {
// ColumnDefinition
ColumnDefinition::ColumnDefinition(char* name, DataType type) :
ColumnDefinition::ColumnDefinition(char* name, ColumnType type, bool nullable) :
name(name),
type(type) {};
type(type),
nullable(nullable) {};
ColumnDefinition::~ColumnDefinition() {
free(name);
}
ColumnType::ColumnType(DataType data_type, int64_t length) :
data_type(data_type),
length(length) {};
bool operator==(const ColumnType& lhs, const ColumnType& rhs) {
if (lhs.data_type != rhs.data_type) return false;
if (lhs.data_type == DataType::VARCHAR || lhs.data_type == DataType::CHAR) {
return lhs.length == rhs.length;
}
return true;
}
bool operator!=(const ColumnType& lhs, const ColumnType& rhs) {
return !(lhs == rhs);
}
std::ostream& operator<<(std::ostream& stream, const ColumnType& column_type) {
switch (column_type.data_type) {
case DataType::UNKNOWN:
stream << "UNKNOWN";
break;
case DataType::INT:
stream << "INT";
break;
case DataType::LONG:
stream << "LONG";
break;
case DataType::FLOAT:
stream << "FLOAT";
break;
case DataType::DOUBLE:
stream << "DOUBLE";
break;
case DataType::CHAR:
stream << "CHAR(" << column_type.length << ")";
break;
case DataType::VARCHAR:
stream << "VARCHAR(" << column_type.length << ")";
break;
case DataType::TEXT:
stream << "TEXT";
break;
}
return stream;
}
// CreateStatemnet
CreateStatement::CreateStatement(CreateType type) :
SQLStatement(kStmtCreate),

View File

@ -30,7 +30,7 @@ TEST(DeleteStatementTest) {
TEST(CreateStatementTest) {
SQLParserResult result;
SQLParser::parse("CREATE TABLE students (name TEXT, student_number INT, city INTEGER, grade DOUBLE)", &result);
SQLParser::parse("CREATE TABLE students (name VARCHAR(50), student_number INT, city INTEGER NULL, grade DOUBLE NOT NULL, comment TEXT)", &result);
ASSERT(result.isValid());
ASSERT_EQ(result.size(), 1);
@ -40,15 +40,22 @@ TEST(CreateStatementTest) {
ASSERT_EQ(stmt->type, kCreateTable);
ASSERT_STREQ(stmt->tableName, "students");
ASSERT_NOTNULL(stmt->columns);
ASSERT_EQ(stmt->columns->size(), 4);
ASSERT_EQ(stmt->columns->size(), 5);
ASSERT_STREQ(stmt->columns->at(0)->name, "name");
ASSERT_STREQ(stmt->columns->at(1)->name, "student_number");
ASSERT_STREQ(stmt->columns->at(2)->name, "city");
ASSERT_STREQ(stmt->columns->at(3)->name, "grade");
ASSERT_EQ(stmt->columns->at(0)->type, ColumnDefinition::TEXT);
ASSERT_EQ(stmt->columns->at(1)->type, ColumnDefinition::INT);
ASSERT_EQ(stmt->columns->at(2)->type, ColumnDefinition::INT);
ASSERT_EQ(stmt->columns->at(3)->type, ColumnDefinition::DOUBLE);
ASSERT_STREQ(stmt->columns->at(4)->name, "comment");
ASSERT_EQ(stmt->columns->at(0)->type, (ColumnType{DataType::VARCHAR, 50}));
ASSERT_EQ(stmt->columns->at(1)->type, ColumnType{DataType::INT});
ASSERT_EQ(stmt->columns->at(2)->type, ColumnType{DataType::INT});
ASSERT_EQ(stmt->columns->at(3)->type, ColumnType{DataType::DOUBLE});
ASSERT_EQ(stmt->columns->at(4)->type, ColumnType{DataType::TEXT});
ASSERT_EQ(stmt->columns->at(0)->nullable, false);
ASSERT_EQ(stmt->columns->at(1)->nullable, false);
ASSERT_EQ(stmt->columns->at(2)->nullable, true);
ASSERT_EQ(stmt->columns->at(3)->nullable, false);
ASSERT_EQ(stmt->columns->at(3)->nullable, false);
}