text: /**
   * This is the database schema for testing PostgreSQL support of yii Active Record.
   * To test this feature, you need to create a database named 'yiitest' on 'localhost'
   * and create an account 'postgres/postgres' which owns this test database.
   */
  
  DROP TABLE IF EXISTS "composite_fk" CASCADE;
  DROP TABLE IF EXISTS "order_item" CASCADE;
  DROP TABLE IF EXISTS "item" CASCADE;
  DROP SEQUENCE IF EXISTS "item_id_seq_2" CASCADE;
  DROP TABLE IF EXISTS "order_item_with_null_fk" CASCADE;
  DROP TABLE IF EXISTS "order" CASCADE;
  DROP TABLE IF EXISTS "order_with_null_fk" CASCADE;
  DROP TABLE IF EXISTS "category" CASCADE;
  DROP TABLE IF EXISTS "customer" CASCADE;
  DROP TABLE IF EXISTS "profile" CASCADE;
  DROP TABLE IF EXISTS "type" CASCADE;
  DROP TABLE IF EXISTS "null_values" CASCADE;
  DROP TABLE IF EXISTS "negative_default_values" CASCADE;
  DROP TABLE IF EXISTS "constraints" CASCADE;
  DROP TABLE IF EXISTS "bool_values" CASCADE;
  DROP TABLE IF EXISTS "animal" CASCADE;
  DROP TABLE IF EXISTS "default_pk" CASCADE;
  DROP TABLE IF EXISTS "document" CASCADE;
  DROP TABLE IF EXISTS "comment" CASCADE;
  DROP TABLE IF EXISTS "dossier";
  DROP TABLE IF EXISTS "employee";
  DROP TABLE IF EXISTS "department";
  DROP TABLE IF EXISTS "alpha";
  DROP TABLE IF EXISTS "beta";
  DROP VIEW IF EXISTS "animal_view";
  DROP TABLE IF EXISTS "T_constraints_4";
  DROP TABLE IF EXISTS "T_constraints_3";
  DROP TABLE IF EXISTS "T_constraints_2";
  DROP TABLE IF EXISTS "T_constraints_1";
  DROP TABLE IF EXISTS "T_upsert";
  DROP TABLE IF EXISTS "T_upsert_1";
  
  DROP SCHEMA IF EXISTS "schema1" CASCADE;
  DROP SCHEMA IF EXISTS "schema2" CASCADE;
  
  CREATE SCHEMA "schema1";
  CREATE SCHEMA "schema2";
  
  CREATE TABLE "constraints"
  (
    id integer not null,
    field1 varchar(255)
  );
  
  CREATE TABLE "profile" (
    id serial not null primary key,
    description varchar(128) NOT NULL
  );
  
  CREATE TABLE "schema1"."profile" (
    id serial not null primary key,
    description varchar(128) NOT NULL
  );
  
  CREATE TABLE "customer" (
    id serial not null primary key,
    email varchar(128) NOT NULL,
    name varchar(128),
    address text,
    status integer DEFAULT 0,
    bool_status boolean DEFAULT FALSE,
    profile_id integer
  );
  
  comment on column public.customer.email is 'someone@example.com';
  
  CREATE TABLE "category" (
    id serial not null primary key,
    name varchar(128) NOT NULL
  );
  
  CREATE TABLE "item" (
    id serial not null primary key,
    name varchar(128) NOT NULL,
    category_id integer NOT NULL references "category"(id) on UPDATE CASCADE on DELETE CASCADE
  );
  CREATE SEQUENCE "item_id_seq_2";
  
  CREATE TABLE "order" (
    id serial not null primary key,
    customer_id integer NOT NULL references "customer"(id) on UPDATE CASCADE on DELETE CASCADE,
    created_at integer NOT NULL,
    total decimal(10,0) NOT NULL
  );
  
  CREATE TABLE "order_with_null_fk" (
    id serial not null primary key,
    customer_id integer,
    created_at integer NOT NULL,
    total decimal(10,0) NOT NULL
  );
  
  CREATE TABLE "order_item" (
    order_id integer NOT NULL references "order"(id) on UPDATE CASCADE on DELETE CASCADE,
    item_id integer NOT NULL references "item"(id) on UPDATE CASCADE on DELETE CASCADE,
    quantity integer NOT NULL,
    subtotal decimal(10,0) NOT NULL,
    PRIMARY KEY (order_id,item_id)
  );
  
  CREATE TABLE "order_item_with_null_fk" (
    order_id integer,
    item_id integer,
    quantity integer NOT NULL,
    subtotal decimal(10,0) NOT NULL
  );
  
  CREATE TABLE "composite_fk" (
    id integer NOT NULL,
    order_id integer NOT NULL,
    item_id integer NOT NULL,
    PRIMARY KEY (id),
    CONSTRAINT FK_composite_fk_order_item FOREIGN KEY (order_id, item_id) REFERENCES "order_item" (order_id, item_id) ON DELETE CASCADE
  );
  
  CREATE TABLE "null_values" (
    id serial NOT NULL,
    var1 INT NULL,
    var2 INT NULL,
    var3 INT DEFAULT NULL,
    stringcol VARCHAR(32) DEFAULT NULL,
    PRIMARY KEY (id)
  );
  
  CREATE TABLE "type" (
    int_col integer NOT NULL,
    int_col2 integer DEFAULT '1',
    tinyint_col smallint DEFAULT '1',
    smallint_col smallint DEFAULT '1',
    char_col char(100) NOT NULL,
    char_col2 varchar(100) DEFAULT 'something',
    char_col3 text,
    float_col double precision NOT NULL,
    float_col2 double precision DEFAULT '1.23',
    blob_col bytea,
    numeric_col decimal(5,2) DEFAULT '33.22',
    time timestamp NOT NULL DEFAULT '2002-01-01 00:00:00',
    bool_col boolean NOT NULL,
    bool_col2 boolean DEFAULT TRUE,
    ts_default TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    bit_col BIT(8) NOT NULL DEFAULT B'10000010',
    bigint_col BIGINT,
    intarray_col integer[],
    textarray2_col text[][],
    json_col json DEFAULT '{"a":1}',
    jsonb_col jsonb,
    jsonarray_col json[]
  );
  
  CREATE TABLE "bool_values" (
    id serial not null primary key,
    bool_col bool,
    default_true bool not null default true,
    default_false boolean not null default false
  );
  
  CREATE TABLE "negative_default_values" (
    tinyint_col smallint default '-123',
    smallint_col smallint default '-123',
    int_col integer default '-123',
    bigint_col bigint default '-123',
    float_col double precision default '-12345.6789',
    numeric_col decimal(5,2) default '-33.22'
  );
  
  CREATE TABLE "animal" (
    id serial primary key,
    type varchar(255) not null
  );
  
  CREATE TABLE "default_pk" (
    id integer not null default 5 primary key,
    type varchar(255) not null
  );
  
  CREATE TABLE "document" (
    id serial primary key,
    title varchar(255) not null,
    content text,
    version integer not null default 0
  );
  
  CREATE TABLE "comment" (
    id serial primary key,
    name varchar(255) not null,
    message text not null
  );
  
  CREATE TABLE "department" (
    id serial not null primary key,
    title VARCHAR(255) NOT NULL
  );
  
  CREATE TABLE "employee" (
    id INTEGER NOT NULL not null,
    department_id INTEGER NOT NULL,
    first_name VARCHAR(255) NOT NULL,
    last_name VARCHAR(255) NOT NULL,
    PRIMARY KEY (id, department_id)
  );
  
  CREATE TABLE "dossier" (
    id serial not null primary key,
    department_id INTEGER NOT NULL,
    employee_id INTEGER NOT NULL,
    summary VARCHAR(255) NOT NULL
  );
  
  CREATE TABLE "alpha" (
    id INTEGER NOT NULL,
    string_identifier VARCHAR(255) NOT NULL,
    PRIMARY KEY (id)
  );
  
  CREATE TABLE "beta" (
    id INTEGER NOT NULL,
    alpha_string_identifier VARCHAR(255) NOT NULL,
    PRIMARY KEY (id)
  );
  
  CREATE VIEW "animal_view" AS SELECT * FROM "animal";
  
  INSERT INTO "animal" (type) VALUES ('yiiunit\data\ar\Cat');
  INSERT INTO "animal" (type) VALUES ('yiiunit\data\ar\Dog');
  
  
  INSERT INTO "profile" (description) VALUES ('profile customer 1');
  INSERT INTO "profile" (description) VALUES ('profile customer 3');
  
  INSERT INTO "schema1"."profile" (description) VALUES ('profile customer 1');
  INSERT INTO "schema1"."profile" (description) VALUES ('profile customer 3');
  
  INSERT INTO "customer" (email, name, address, status, bool_status, profile_id) VALUES ('user1@example.com', 'user1', 'address1', 1, true, 1);
  INSERT INTO "customer" (email, name, address, status, bool_status) VALUES ('user2@example.com', 'user2', 'address2', 1, true);
  INSERT INTO "customer" (email, name, address, status, bool_status, profile_id) VALUES ('user3@example.com', 'user3', 'address3', 2, false, 2);
  
  INSERT INTO "category" (name) VALUES ('Books');
  INSERT INTO "category" (name) VALUES ('Movies');
  
  INSERT INTO "item" (name, category_id) VALUES ('Agile Web Application Development with Yii1.1 and PHP5', 1);
  INSERT INTO "item" (name, category_id) VALUES ('Yii 1.1 Application Development Cookbook', 1);
  INSERT INTO "item" (name, category_id) VALUES ('Ice Age', 2);
  INSERT INTO "item" (name, category_id) VALUES ('Toy Story', 2);
  INSERT INTO "item" (name, category_id) VALUES ('Cars', 2);
  
  INSERT INTO "order" (customer_id, created_at, total) VALUES (1, 1325282384, 110.0);
  INSERT INTO "order" (customer_id, created_at, total) VALUES (2, 1325334482, 33.0);
  INSERT INTO "order" (customer_id, created_at, total) VALUES (2, 1325502201, 40.0);
  
  INSERT INTO "order_with_null_fk" (customer_id, created_at, total) VALUES (1, 1325282384, 110.0);
  INSERT INTO "order_with_null_fk" (customer_id, created_at, total) VALUES (2, 1325334482, 33.0);
  INSERT INTO "order_with_null_fk" (customer_id, created_at, total) VALUES (2, 1325502201, 40.0);
  
  INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (1, 1, 1, 30.0);
  INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (1, 2, 2, 40.0);
  INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (2, 4, 1, 10.0);
  INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1, 15.0);
  INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (2, 3, 1, 8.0);
  INSERT INTO "order_item" (order_id, item_id, quantity, subtotal) VALUES (3, 2, 1, 40.0);
  
  INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (1, 1, 1, 30.0);
  INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (1, 2, 2, 40.0);
  INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (2, 4, 1, 10.0);
  INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1, 15.0);
  INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (2, 5, 1, 8.0);
  INSERT INTO "order_item_with_null_fk" (order_id, item_id, quantity, subtotal) VALUES (3, 2, 1, 40.0);
  
  INSERT INTO "document" (title, content, version) VALUES ('Yii 2.0 guide', 'This is Yii 2.0 guide', 0);
  
  INSERT INTO "department" (id, title) VALUES (1, 'IT');
  INSERT INTO "department" (id, title) VALUES (2, 'accounting');
  
  INSERT INTO "employee" (id, department_id, first_name, last_name) VALUES (1, 1, 'John', 'Doe');
  INSERT INTO "employee" (id, department_id, first_name, last_name) VALUES (1, 2, 'Ann', 'Smith');
  INSERT INTO "employee" (id, department_id, first_name, last_name) VALUES (2, 2, 'Will', 'Smith');
  
  INSERT INTO "dossier" (id, department_id, employee_id, summary) VALUES (1, 1, 1, 'Excellent employee.');
  INSERT INTO "dossier" (id, department_id, employee_id, summary) VALUES (2, 2, 1, 'Brilliant employee.');
  INSERT INTO "dossier" (id, department_id, employee_id, summary) VALUES (3, 2, 2, 'Good employee.');
  
  INSERT INTO "alpha" (id, string_identifier) VALUES (1, '1');
  INSERT INTO "alpha" (id, string_identifier) VALUES (2, '1a');
  INSERT INTO "alpha" (id, string_identifier) VALUES (3, '01');
  INSERT INTO "alpha" (id, string_identifier) VALUES (4, '001');
  INSERT INTO "alpha" (id, string_identifier) VALUES (5, '2');
  INSERT INTO "alpha" (id, string_identifier) VALUES (6, '2b');
  INSERT INTO "alpha" (id, string_identifier) VALUES (7, '02');
  INSERT INTO "alpha" (id, string_identifier) VALUES (8, '002');
  
  INSERT INTO "beta" (id, alpha_string_identifier) VALUES (1, '1');
  INSERT INTO "beta" (id, alpha_string_identifier) VALUES (2, '01');
  INSERT INTO "beta" (id, alpha_string_identifier) VALUES (3, '001');
  INSERT INTO "beta" (id, alpha_string_identifier) VALUES (4, '001');
  INSERT INTO "beta" (id, alpha_string_identifier) VALUES (5, '2');
  INSERT INTO "beta" (id, alpha_string_identifier) VALUES (6, '2b');
  INSERT INTO "beta" (id, alpha_string_identifier) VALUES (7, '2b');
  INSERT INTO "beta" (id, alpha_string_identifier) VALUES (8, '02');
  
  /**
   * (Postgres-)Database Schema for validator tests
   */
  
  DROP TABLE IF EXISTS "validator_main" CASCADE;
  DROP TABLE IF EXISTS "validator_ref" CASCADE;
  DROP TABLE IF EXISTS "validatorMain" CASCADE;
  DROP TABLE IF EXISTS "validatorRef" CASCADE;
  
  CREATE TABLE "validator_main" (
    id serial primary key,
    field1 VARCHAR(255)
  );
  CREATE TABLE "validator_ref" (
    id serial primary key,
    a_field VARCHAR(255),
    ref     integer
  );
  CREATE TABLE "validatorMain" (
    id integer not null primary key,
    field1 VARCHAR(255)
  );
  CREATE TABLE "validatorRef" (
    id integer not null primary key,
    a_field VARCHAR(255),
    ref     integer,
    CONSTRAINT "validatorRef_id" FOREIGN KEY ("ref") REFERENCES "validatorMain" ("id") ON DELETE CASCADE ON UPDATE CASCADE
  );
  
  INSERT INTO "validator_main" (field1) VALUES ('just a string1');
  INSERT INTO "validator_main" (field1) VALUES ('just a string2');
  INSERT INTO "validator_main" (field1) VALUES ('just a string3');
  INSERT INTO "validator_main" (field1) VALUES ('just a string4');
  INSERT INTO "validator_ref" (a_field, ref) VALUES ('ref_to_2', 2);
  INSERT INTO "validator_ref" (a_field, ref) VALUES ('ref_to_2', 2);
  INSERT INTO "validator_ref" (a_field, ref) VALUES ('ref_to_3', 3);
  INSERT INTO "validator_ref" (a_field, ref) VALUES ('ref_to_4', 4);
  INSERT INTO "validator_ref" (a_field, ref) VALUES ('ref_to_4', 4);
  INSERT INTO "validator_ref" (a_field, ref) VALUES ('ref_to_5', 5);
  INSERT INTO "validatorMain" (id, field1) VALUES (2, 'just a string2');
  INSERT INTO "validatorMain" (id, field1) VALUES (3, 'just a string3');
  INSERT INTO "validatorRef" (id, a_field, ref) VALUES (1, 'ref_to_2', 2);
  INSERT INTO "validatorRef" (id, a_field, ref) VALUES (2, 'ref_to_2', 2);
  INSERT INTO "validatorRef" (id, a_field, ref) VALUES (3, 'ref_to_3', 3);
  
  /* bit test, see https://github.com/yiisoft/yii2/issues/9006 */
  
  DROP TABLE IF EXISTS "bit_values" CASCADE;
  
  CREATE TABLE "bit_values" (
    id serial not null primary key,
    val bit(1) not null
  );
  
  INSERT INTO "bit_values" (id, val) VALUES (1, '0'), (2, '1');
  
  DROP TABLE IF EXISTS "array_and_json_types" CASCADE;
  CREATE TABLE "array_and_json_types" (
    id SERIAL NOT NULL PRIMARY KEY,
    intarray_col INT[],
    textarray2_col TEXT[][],
    json_col JSON,
    jsonb_col JSONB,
    jsonarray_col JSON[]
  );
  
  CREATE TABLE "T_constraints_1"
  (
      "C_id" INT NOT NULL PRIMARY KEY,
      "C_not_null" INT NOT NULL,
      "C_check" VARCHAR(255) NULL CHECK ("C_check" <> ''),
      "C_unique" INT NOT NULL,
      "C_default" INT NOT NULL DEFAULT 0,
      CONSTRAINT "CN_unique" UNIQUE ("C_unique")
  );
  
  CREATE TABLE "T_constraints_2"
  (
      "C_id_1" INT NOT NULL,
      "C_id_2" INT NOT NULL,
      "C_index_1" INT NULL,
      "C_index_2_1" INT NULL,
      "C_index_2_2" INT NULL,
      CONSTRAINT "CN_constraints_2_multi" UNIQUE ("C_index_2_1", "C_index_2_2"),
      CONSTRAINT "CN_pk" PRIMARY KEY ("C_id_1", "C_id_2")
  );
  
  CREATE INDEX "CN_constraints_2_single" ON "T_constraints_2" ("C_index_1");
  
  CREATE TABLE "T_constraints_3"
  (
      "C_id" INT NOT NULL,
      "C_fk_id_1" INT NOT NULL,
      "C_fk_id_2" INT NOT NULL,
      CONSTRAINT "CN_constraints_3" FOREIGN KEY ("C_fk_id_1", "C_fk_id_2") REFERENCES "T_constraints_2" ("C_id_1", "C_id_2") ON DELETE CASCADE ON UPDATE CASCADE
  );
  
  CREATE TABLE "T_constraints_4"
  (
      "C_id" INT NOT NULL PRIMARY KEY,
      "C_col_1" INT NULL,
      "C_col_2" INT NOT NULL,
      CONSTRAINT "CN_constraints_4" UNIQUE ("C_col_1", "C_col_2")
  );
  
  CREATE TABLE "T_upsert"
  (
      "id" SERIAL NOT NULL PRIMARY KEY,
      "ts" INT NULL,
      "email" VARCHAR(128) NOT NULL UNIQUE,
      "recovery_email" VARCHAR(128) NULL,
      "address" TEXT NULL,
      "status" SMALLINT NOT NULL DEFAULT 0,
      "orders" INT NOT NULL DEFAULT 0,
      "profile_id" INT NULL,
      UNIQUE ("email", "recovery_email")
  );
  
  CREATE TABLE "T_upsert_1"
  (
      "a" INT NOT NULL PRIMARY KEY
  );
  
  CREATE TYPE "schema2"."my_type" AS enum('VAL1', 'VAL2', 'VAL3');
  CREATE TABLE "schema2"."custom_type_test_table" (
      "id" SERIAL NOT NULL PRIMARY KEY,
      "test_type" "schema2"."my_type"[]
  );
  INSERT INTO "schema2"."custom_type_test_table" ("test_type")
  VALUES (array['VAL2']::"schema2"."my_type"[]);
  
  