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/* Copyright (c) 2024, MariaDB
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
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA
*/
#include "my_config.h"
#include "import_util.h"
#include <tap.h>
#include <string>
inline bool operator==(const KeyDefinition &lhs, const KeyDefinition &rhs)
{
return lhs.definition == rhs.definition && lhs.name == rhs.name;
}
/*
Test parsing of CREATE TABLE in mariadb-import utility
*/
static void test_ddl_parser()
{
std::string script= R"(
-- Some SQL script
CREATE TABLE `book` (
`id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
`title` varchar(200) NOT NULL,
`author_id` smallint(5) unsigned NOT NULL,
`publisher_id` smallint(5) unsigned NOT NULL,
`excerpt` text,
PRIMARY KEY (`id`),
KEY `fk_book_author` (`author_id`),
KEY `fk_book_publisher` (`publisher_id`),
UNIQUE KEY `title_author` (`title`,`author`),
FULLTEXT KEY `excerpt` (`excerpt`),
CONSTRAINT `fk_book_author` FOREIGN KEY (`author_id`) REFERENCES `author` (`id`) ON DELETE CASCADE
CONSTRAINT `fk_book_publisher` FOREIGN KEY (`publisher_id`) REFERENCES `publisher` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci;
)";
auto create_table_stmt= extract_first_create_table(script);
ok(!create_table_stmt.empty(), "CREATE TABLE statement found");
TableDDLInfo ddl_info(create_table_stmt);
const std::string& table_name= ddl_info.table_name;
const std::string& storage_engine= ddl_info.storage_engine;
ok(table_name == "`book`", "Table name is OK");
ok(storage_engine == "InnoDB", "Storage engine is OK");
ok(ddl_info.primary_key == KeyDefinition{"PRIMARY KEY (`id`)", "PRIMARY"},
"Primary key def is OK");
ok(ddl_info.secondary_indexes.size() == 4, "Secondary index size is OK");
const auto &sec_indexes= ddl_info.secondary_indexes;
ok(sec_indexes[0] == KeyDefinition{"KEY `fk_book_author` (`author_id`)","`fk_book_author`"},
"First key is OK");
ok(sec_indexes[1] ==
KeyDefinition{"KEY `fk_book_publisher` (`publisher_id`)",
"`fk_book_publisher`"},
"Second key is OK");
ok(ddl_info.constraints.size() == 2, "Constraints size correct");
ok(ddl_info.constraints[0] ==
KeyDefinition{"CONSTRAINT `fk_book_author` FOREIGN KEY (`author_id`) REFERENCES "
"`author` (`id`) ON DELETE CASCADE","`fk_book_author`"},
"First constraint OK");
std::string drop_constraints= ddl_info.drop_constraints_sql();
ok(drop_constraints ==
"ALTER TABLE `book` DROP CONSTRAINT `fk_book_author`, DROP CONSTRAINT `fk_book_publisher`",
"Drop constraints SQL is \"%s\"", drop_constraints.c_str());
std::string add_constraints= ddl_info.add_constraints_sql();
ok(add_constraints ==
"ALTER TABLE `book` ADD CONSTRAINT `fk_book_author` FOREIGN KEY (`author_id`) "
"REFERENCES `author` (`id`) ON DELETE CASCADE, "
"ADD CONSTRAINT `fk_book_publisher` FOREIGN KEY (`publisher_id`) "
"REFERENCES `publisher` (`id`) ON DELETE CASCADE",
"Add constraints SQL is \"%s\"",add_constraints.c_str());
std::string drop_secondary_indexes=
ddl_info.drop_secondary_indexes_sql();
ok(drop_secondary_indexes ==
"ALTER TABLE `book` "
"DROP INDEX `fk_book_author`, "
"DROP INDEX `fk_book_publisher`, "
"DROP INDEX `title_author`, "
"DROP INDEX `excerpt`",
"Drop secondary indexes SQL is \"%s\"", drop_secondary_indexes.c_str());
std::string add_secondary_indexes=
ddl_info.add_secondary_indexes_sql();
ok(add_secondary_indexes ==
"ALTER TABLE `book` ADD KEY `fk_book_author` (`author_id`), "
"ADD KEY `fk_book_publisher` (`publisher_id`), "
"ADD UNIQUE KEY `title_author` (`title`,`author`), "
"ADD FULLTEXT KEY `excerpt` (`excerpt`)",
"Add secondary indexes SQL is \"%s\"", add_secondary_indexes.c_str());
}
/*
For Innodb table without PK, and but with Unique key
(which is used for clustering, instead of PK)
this key will not be added and dropped by
the import utility
*/
static void innodb_non_pk_clustering_key()
{
auto create_table_stmt= R"(
CREATE TABLE `book` (
`id` mediumint(8),
`uniq` varchar(200),
UNIQUE KEY `id` (`id`),
UNIQUE KEY `uniq` (`uniq`),
KEY `id_uniq` (`id`,`uniq`)
) ENGINE=InnoDB;
)";
TableDDLInfo ddl_info(create_table_stmt);
ok(ddl_info.non_pk_clustering_key_name == "`id`",
"Non-PK clustering key is %s",
ddl_info.non_pk_clustering_key_name.c_str());
ok(ddl_info.primary_key.definition.empty(),
"Primary key is %s", ddl_info.primary_key.definition.c_str());
ok(ddl_info.secondary_indexes.size() == 3,
"Secondary indexes size is %zu",
ddl_info.secondary_indexes.size());
ok(!ddl_info.add_secondary_indexes_sql().empty(),
"Some secondary indexes to add");
ok(!ddl_info.drop_secondary_indexes_sql().empty(),
"Some secondary indexes to drop");
}
int main()
{
plan(18);
diag("Testing DDL parser");
test_ddl_parser();
innodb_non_pk_clustering_key();
return exit_status();
}
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