schema_mysql_copy.h 10.7 KB
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// Copyright (C) 2012-2015 Internet Systems Consortium, Inc. ("ISC")
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef SCHEMA_COPY_H
#define SCHEMA_COPY_H

namespace {

// What follows is a set of statements that creates a copy of the schema
// in the test database.  It is used by the MySQL unit test prior to each
// test.
//
// Each SQL statement is a single string.  The statements are not terminated
// by semicolons, and the strings must end with a comma.  The final line
// statement must be NULL (not in quotes)

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// NOTE: This file mirrors the schema in src/lib/dhcpsrv/dhcpdb_create.mysql.
//       If this file is altered, please ensure that any change is compatible
//       with the schema in dhcpdb_create.mysql.
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// Deletion of existing tables.

const char* destroy_statement[] = {
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    // Turning off referential integrity checks ensures tables get dropped
    "SET SESSION FOREIGN_KEY_CHECKS = 0",
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    "DROP TABLE lease4",
    "DROP TABLE lease6",
    "DROP TABLE lease6_types",
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    "DROP TABLE lease_hwaddr_source",
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    "DROP TABLE schema_version",
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    "DROP TABLE ipv6_reservations",
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    "DROP TABLE hosts",
    "DROP TABLE dhcp4_options",
    "DROP TABLE dhcp6_options",
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    "DROP TABLE host_identifier_type",
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    "DROP TRIGGER host_BDEL",
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    NULL
};

// Creation of the new tables.

const char* create_statement[] = {
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    // Schema initialization to 1.0 starts here.
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    "START TRANSACTION",
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    "CREATE TABLE lease4 ("
        "address INT UNSIGNED PRIMARY KEY NOT NULL,"
        "hwaddr VARBINARY(20),"
        "client_id VARBINARY(128),"
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        "valid_lifetime INT UNSIGNED,"
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        "expire TIMESTAMP,"
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        "subnet_id INT UNSIGNED,"
        "fqdn_fwd BOOL,"
        "fqdn_rev BOOL,"
        "hostname VARCHAR(255)"
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        ") ENGINE = INNODB",

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    "CREATE INDEX lease4_by_hwaddr_subnet_id ON lease4 (hwaddr, subnet_id)",

    "CREATE INDEX lease4_by_client_id_subnet_id ON lease4 (client_id, subnet_id)",

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    "CREATE TABLE lease6 ("
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        "address VARCHAR(39) PRIMARY KEY NOT NULL,"
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        "duid VARBINARY(128),"
        "valid_lifetime INT UNSIGNED,"
        "expire TIMESTAMP,"
        "subnet_id INT UNSIGNED,"
        "pref_lifetime INT UNSIGNED,"
        "lease_type TINYINT,"
        "iaid INT UNSIGNED,"
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        "prefix_len TINYINT UNSIGNED,"
        "fqdn_fwd BOOL,"
        "fqdn_rev BOOL,"
        "hostname VARCHAR(255)"
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        ") ENGINE = INNODB",

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    "CREATE INDEX lease6_by_iaid_subnet_id_duid ON lease6 (iaid, subnet_id, duid)",

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    "CREATE TABLE lease6_types ("
        "lease_type TINYINT PRIMARY KEY NOT NULL,"
        "name VARCHAR(5)"
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        ") ENGINE = INNODB",
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    "INSERT INTO lease6_types VALUES (0, \"IA_NA\")",
    "INSERT INTO lease6_types VALUES (1, \"IA_TA\")",
    "INSERT INTO lease6_types VALUES (2, \"IA_PD\")",

    "CREATE TABLE schema_version ("
        "version INT PRIMARY KEY NOT NULL,"
        "minor INT"
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        ") ENGINE = INNODB",
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    "INSERT INTO schema_version VALUES (1, 0)",
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    "COMMIT",
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    // Schema initialization to 1.0 ends here.

    // Schema upgrade to 2.0 starts here.
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    "ALTER TABLE lease6 "
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        "ADD COLUMN hwaddr varbinary(20),"
        "ADD COLUMN hwtype smallint unsigned,"
        "ADD COLUMN hwaddr_source int unsigned;",
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    // Production schema has lease_hwaddr_source table. It is not used by
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    // kea code and is simply useful for formulating more human readable
    // queries. Hence no need to create it in tests. The actual SQL
    // code remains here commented out to keep a trace that the omission
    // is intentional.

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    /* "CREATE TABLE lease_hwaddr_source ("
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    "hwaddr_source INT PRIMARY KEY NOT NULL,"
    "name VARCHAR(40) )",

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    "INSERT INTO lease_hwaddr_source VALUES (1, \"HWADDR_SOURCE_RAW\");",
    "INSERT INTO lease_hwaddr_source VALUES (2, \"HWADDR_SOURCE_IPV6_LINK_LOCAL\");",
    "INSERT INTO lease_hwaddr_source VALUES (4, \"HWADDR_SOURCE_DUID\");",
    "INSERT INTO lease_hwaddr_source VALUES (8, \"HWADDR_SOURCE_CLIENT_ADDR_RELAY_OPTION\");",
    "INSERT INTO lease_hwaddr_source VALUES (16, \"HWADDR_SOURCE_REMOTE_ID\");",
    "INSERT INTO lease_hwaddr_source VALUES (32, \"HWADDR_SOURCE_SUBSCRIBER_ID\");",
    "INSERT INTO lease_hwaddr_source VALUES (64, \"HWADDR_SOURCE_DOCSIS\");", */
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    "UPDATE schema_version SET version=\"2\", minor=\"0\";",
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    // Schema upgrade to 2.0 ends here.
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    // Schema upgrade to 3.0 starts here.

    "CREATE TABLE IF NOT EXISTS hosts ("
        "host_id INT UNSIGNED NOT NULL AUTO_INCREMENT,"
        "dhcp_identifier VARBINARY(128) NOT NULL,"
        "dhcp_identifier_type TINYINT NOT NULL,"
        "dhcp4_subnet_id INT UNSIGNED NULL,"
        "dhcp6_subnet_id INT UNSIGNED NULL,"
        "ipv4_address INT UNSIGNED NULL,"
        "hostname VARCHAR(255) NULL,"
        "dhcp4_client_classes VARCHAR(255) NULL,"
        "dhcp6_client_classes VARCHAR(255) NULL,"
        "PRIMARY KEY (host_id),"
        "INDEX key_dhcp4_identifier_subnet_id (dhcp_identifier ASC , dhcp_identifier_type ASC),"
        "INDEX key_dhcp6_identifier_subnet_id (dhcp_identifier ASC , dhcp_identifier_type ASC , dhcp6_subnet_id ASC)"
    ")  ENGINE=INNODB",

    "CREATE TABLE IF NOT EXISTS ipv6_reservations ("
        "reservation_id INT NOT NULL AUTO_INCREMENT,"
        "address VARCHAR(39) NOT NULL,"
        "prefix_len TINYINT(3) UNSIGNED NOT NULL DEFAULT 128,"
        "type TINYINT(4) UNSIGNED NOT NULL DEFAULT 0,"
        "dhcp6_iaid INT UNSIGNED NULL,"
        "host_id INT UNSIGNED NOT NULL,"
        "PRIMARY KEY (reservation_id),"
        "INDEX fk_ipv6_reservations_host_idx (host_id ASC),"
        "CONSTRAINT fk_ipv6_reservations_Host FOREIGN KEY (host_id)"
            "REFERENCES hosts (host_id)"
            "ON DELETE NO ACTION ON UPDATE NO ACTION"
    ")  ENGINE=INNODB",

    "CREATE TABLE IF NOT EXISTS dhcp4_options ("
        "option_id INT UNSIGNED NOT NULL AUTO_INCREMENT,"
        "code TINYINT UNSIGNED NOT NULL,"
        "value BLOB NULL,"
        "formatted_value TEXT NULL,"
        "space VARCHAR(128) NULL,"
        "persistent TINYINT(1) NOT NULL DEFAULT 0,"
        "dhcp_client_class VARCHAR(128) NULL,"
        "dhcp4_subnet_id INT NULL,"
        "host_id INT UNSIGNED NULL,"
        "PRIMARY KEY (option_id),"
        "UNIQUE INDEX option_id_UNIQUE (option_id ASC),"
        "INDEX fk_options_host1_idx (host_id ASC),"
        "CONSTRAINT fk_options_host1 FOREIGN KEY (host_id)"
            "REFERENCES hosts (host_id)"
            "ON DELETE NO ACTION ON UPDATE NO ACTION"
    ")  ENGINE=INNODB",

    "CREATE TABLE IF NOT EXISTS dhcp6_options ("
        "option_id INT UNSIGNED NOT NULL AUTO_INCREMENT,"
        "code INT UNSIGNED NOT NULL,"
        "value BLOB NULL,"
        "formatted_value TEXT NULL,"
        "space VARCHAR(128) NULL,"
        "persistent TINYINT(1) NOT NULL DEFAULT 0,"
        "dhcp_client_class VARCHAR(128) NULL,"
        "dhcp6_subnet_id INT NULL,"
        "host_id INT UNSIGNED NULL,"
        "PRIMARY KEY (option_id),"
        "UNIQUE INDEX option_id_UNIQUE (option_id ASC),"
        "INDEX fk_options_host1_idx (host_id ASC),"
        "CONSTRAINT fk_options_host10 FOREIGN KEY (host_id)"
            "REFERENCES hosts (host_id)"
            "ON DELETE NO ACTION ON UPDATE NO ACTION"
    ")  ENGINE=INNODB",


    //"DELIMITER $$ ",
    "CREATE TRIGGER host_BDEL BEFORE DELETE ON hosts FOR EACH ROW "
    "BEGIN "
    "DELETE FROM ipv6_reservations WHERE ipv6_reservations.host_id = OLD.host_id; "
    "END ",
    //"$$ ",
    //"DELIMITER ;",

    "UPDATE schema_version SET version = '3', minor = '0';",

    // This line concludes database upgrade to version 3.0.

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    // Schema upgrade to 4.0 starts here.
    "ALTER TABLE lease4 "
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        "ADD COLUMN state INT UNSIGNED DEFAULT 0",
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    "ALTER TABLE lease6 "
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        "ADD COLUMN state INT UNSIGNED DEFAULT 0",
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    "CREATE INDEX lease4_by_state_expire ON lease4 (state ASC, expire ASC)",
    "CREATE INDEX lease6_by_state_expire ON lease6 (state ASC, expire ASC)",
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    // Production schema includes the lease_state table and
    // lease_hwaddr_source tables which map to the values in lease4
    // and lease6 tables. This is not used in the unit tests
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    // so it is commented out.

    /*"CREATE TABLE IF NOT EXISTS lease_state (",
        "state INT UNSIGNED PRIMARY KEY NOT NULL,"
        "name VARCHAR(64) NOT NULL);",

    "INSERT INTO lease_state VALUES (0, \"default\");",
    "INSERT INTO lease_state VALUES (1, \"declined\");",
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    "INSERT INTO lease_state VALUES (2, \"expired-reclaimed\");",
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    "ALTER TABLE lease4 "
        "ADD CONSTRAINT fk_lease4_state FOREIGN KEY (state) "
        "REFERENCES lease_state (state)",

    "ALTER TABLE lease6 "
        "ADD CONSTRAINT fk_lease6_state FOREIGN KEY (state) "
        "REFERENCES lease_state (state)",

    "ALTER TABLE lease6 "
        "ADD CONSTRAINT fk_lease6_type FOREIGN KEY (lease_type) "
        "REFERENCES lease6_types (lease_type)",

    "UPDATE lease_hwaddr_source "
        "SET name = 'HWADDR_SOURCE_DOCSIS_CMTS' "
        "WHERE hwaddr_source = 64",

    "INSERT INTO lease_hwaddr_source VALUES (128, 'HWADDR_SOURCE_DOCSIS_MODEM')",

    "ALTER TABLE lease_hwaddr_source "
        "MODIFY COLUMN hwaddr_source INT UNSIGNED NOT NULL DEFAULT 0",

    "ALTER TABLE lease6 "
        "ADD CONSTRAINT fk_lease6_hwaddr_source FOREIGN KEY (hwaddr_source) "
        "REFERENCES lease_hwaddr_source (hwaddr_source)",*/
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    // Schema upgrade to 4.0 ends here.

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    "DROP INDEX key_dhcp4_identifier_subnet_id ON hosts",
    "CREATE UNIQUE INDEX key_dhcp4_identifier_subnet_id "
      "ON hosts "
        "(dhcp_identifier ASC , dhcp_identifier_type ASC , dhcp4_subnet_id ASC)",

    "DROP INDEX key_dhcp6_identifier_subnet_id ON hosts",
    "CREATE UNIQUE INDEX key_dhcp6_identifier_subnet_id "
      "ON hosts "
        "(dhcp_identifier ASC , dhcp_identifier_type ASC , dhcp6_subnet_id ASC)",

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    "CREATE UNIQUE INDEX key_dhcp4_ipv4_address_subnet_id "
      "ON hosts "
        "(ipv4_address ASC, dhcp4_subnet_id ASC)",

    "CREATE INDEX key_dhcp6_address_prefix_len "
      "ON ipv6_reservations (address ASC , prefix_len ASC)",

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    "CREATE TABLE IF NOT EXISTS host_identifier_type ("
      "type TINYINT PRIMARY KEY NOT NULL,"
      "name VARCHAR(32)"
    ") ENGINE = INNODB",

    "START TRANSACTION",
    "INSERT INTO host_identifier_type VALUES (0, \"hw-address\")",
    "INSERT INTO host_identifier_type VALUES (1, \"duid\")",
    "INSERT INTO host_identifier_type VALUES (2, \"circuit-id\")",
    "COMMIT",

    "ALTER TABLE hosts "
    "ADD CONSTRAINT fk_host_identifier_type FOREIGN KEY (dhcp_identifier_type) "
      "REFERENCES host_identifier_type (type)",

    "UPDATE schema_version "
      "SET version = '4', minor = '2'",

    // Schema upgrade to 4.2 ends here.

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    NULL
};

};  // Anonymous namespace

#endif // SCHEMA_COPY_H