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test(bench): ACME ERP enterprise ambiguity + workload recommendation harness #25

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test(bench): ACME ERP enterprise ambiguity + workload recommendation harness #25

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222 changes: 222 additions & 0 deletions scripts/enterprise-bench/01_schema.sql
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-- ACME ERP — intentionally ambiguous multi-schema enterprise model.
-- Designed to stress DeepSQL: duplicate business concepts, overloaded column
-- names (status/id/name/amount), soft-delete vs status filters, missing FKs,
-- and selective index gaps for workload recommendations.
--
-- Schemas: crm, sales, finance, inventory, hr

CREATE EXTENSION IF NOT EXISTS pg_stat_statements;

CREATE SCHEMA IF NOT EXISTS crm;
CREATE SCHEMA IF NOT EXISTS sales;
CREATE SCHEMA IF NOT EXISTS finance;
CREATE SCHEMA IF NOT EXISTS inventory;
CREATE SCHEMA IF NOT EXISTS hr;

-- ── CRM: "accounts" are customers in sales-speak ───────────────────────────
CREATE TABLE crm.accounts (
id BIGSERIAL PRIMARY KEY,
account_number VARCHAR(32) NOT NULL UNIQUE,
name VARCHAR(200) NOT NULL,
status VARCHAR(20) NOT NULL, -- PROSPECT | ACTIVE | CHURNED
tier VARCHAR(20) NOT NULL, -- SMB | MID | ENTERPRISE
email VARCHAR(200),
phone VARCHAR(40),
country_code CHAR(2) NOT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
is_deleted BOOLEAN NOT NULL DEFAULT FALSE
);

CREATE TABLE crm.contacts (
id BIGSERIAL PRIMARY KEY,
account_id BIGINT NOT NULL, -- intentional: no FK declared
name VARCHAR(200) NOT NULL,
email VARCHAR(200),
role_title VARCHAR(120),
status VARCHAR(20) NOT NULL, -- ACTIVE | INACTIVE
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- ── Sales: parallel "customers" concept (same people as crm.accounts) ─────
CREATE TABLE sales.customers (
id BIGSERIAL PRIMARY KEY,
crm_account_id BIGINT, -- soft link, often null historically
customer_code VARCHAR(32) NOT NULL UNIQUE,
name VARCHAR(200) NOT NULL,
status VARCHAR(20) NOT NULL, -- ACTIVE | INACTIVE | BLOCKED
email VARCHAR(200),
ssn_last4 CHAR(4), -- PII
country_code CHAR(2) NOT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE sales.products (
id BIGSERIAL PRIMARY KEY,
sku VARCHAR(40) NOT NULL UNIQUE,
name VARCHAR(200) NOT NULL,
status VARCHAR(20) NOT NULL, -- ACTIVE | DISCONTINUED
unit_price NUMERIC(12,2) NOT NULL,
category VARCHAR(80) NOT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE sales.orders (
id BIGSERIAL PRIMARY KEY,
customer_id BIGINT NOT NULL,
order_number VARCHAR(40) NOT NULL UNIQUE,
status VARCHAR(20) NOT NULL, -- PLACED | SHIPPED | DELIVERED | CANCELLED | RETURNED
channel VARCHAR(20) NOT NULL, -- WEB | STORE | PARTNER
placed_at TIMESTAMPTZ NOT NULL,
shipped_at TIMESTAMPTZ,
total_amount NUMERIC(14,2) NOT NULL,
currency CHAR(3) NOT NULL DEFAULT 'USD',
is_test BOOLEAN NOT NULL DEFAULT FALSE
);

CREATE TABLE sales.order_lines (
id BIGSERIAL PRIMARY KEY,
order_id BIGINT NOT NULL,
product_id BIGINT NOT NULL,
quantity INT NOT NULL,
unit_price NUMERIC(12,2) NOT NULL,
line_amount NUMERIC(14,2) NOT NULL,
status VARCHAR(20) NOT NULL -- OPEN | FULFILLED | CANCELLED
);

CREATE TABLE sales.order_header ( -- LEGACY alias table — same grain as orders
id BIGSERIAL PRIMARY KEY,
cust_id BIGINT NOT NULL,
hdr_status VARCHAR(20) NOT NULL,
order_dt DATE NOT NULL,
amount NUMERIC(14,2) NOT NULL
);

-- ── Finance ────────────────────────────────────────────────────────────────
CREATE TABLE finance.invoices (
id BIGSERIAL PRIMARY KEY,
invoice_number VARCHAR(40) NOT NULL UNIQUE,
customer_id BIGINT NOT NULL, -- sales.customers.id (undeclared)
order_id BIGINT,
status VARCHAR(20) NOT NULL, -- DRAFT | OPEN | PAID | VOID | DISPUTED
amount NUMERIC(14,2) NOT NULL,
tax_amount NUMERIC(14,2) NOT NULL DEFAULT 0,
issued_at TIMESTAMPTZ NOT NULL,
due_at TIMESTAMPTZ NOT NULL,
paid_at TIMESTAMPTZ
);

CREATE TABLE finance.payments (
id BIGSERIAL PRIMARY KEY,
payment_number VARCHAR(40) NOT NULL UNIQUE,
invoice_id BIGINT NOT NULL,
amount NUMERIC(14,2) NOT NULL,
status VARCHAR(20) NOT NULL, -- PENDING | CLEARED | FAILED | REVERSED
method VARCHAR(20) NOT NULL, -- CARD | ACH | WIRE | CHECK
paid_at TIMESTAMPTZ NOT NULL
);

CREATE TABLE finance.payment_orders ( -- ambiguous with sales.orders
id BIGSERIAL PRIMARY KEY,
vendor_name VARCHAR(200) NOT NULL,
status VARCHAR(20) NOT NULL, -- SCHEDULED | SENT | COMPLETED | CANCELLED
amount NUMERIC(14,2) NOT NULL,
scheduled_at TIMESTAMPTZ NOT NULL,
completed_at TIMESTAMPTZ
);

CREATE TABLE finance.gl_entries (
id BIGSERIAL PRIMARY KEY,
account_code VARCHAR(32) NOT NULL,
name VARCHAR(200) NOT NULL,
status VARCHAR(20) NOT NULL, -- POSTED | PENDING | REVERSED
amount NUMERIC(16,2) NOT NULL,
posted_at TIMESTAMPTZ NOT NULL,
cost_center VARCHAR(40)
);

-- ── Inventory (product masters overlap sales.products) ─────────────────────
CREATE TABLE inventory.items (
id BIGSERIAL PRIMARY KEY,
item_code VARCHAR(40) NOT NULL UNIQUE,
name VARCHAR(200) NOT NULL,
status VARCHAR(20) NOT NULL, -- ACTIVE | HOLD | OBSOLETE
sku_ref VARCHAR(40), -- often matches sales.products.sku
unit_cost NUMERIC(12,2) NOT NULL,
reorder_point INT NOT NULL DEFAULT 10,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE inventory.warehouses (
id BIGSERIAL PRIMARY KEY,
code VARCHAR(20) NOT NULL UNIQUE,
name VARCHAR(120) NOT NULL,
status VARCHAR(20) NOT NULL,
region VARCHAR(40) NOT NULL
);

CREATE TABLE inventory.stock_moves (
id BIGSERIAL PRIMARY KEY,
item_id BIGINT NOT NULL,
warehouse_id BIGINT NOT NULL,
status VARCHAR(20) NOT NULL, -- PENDING | COMPLETE | CANCELLED
quantity INT NOT NULL,
move_type VARCHAR(20) NOT NULL, -- IN | OUT | ADJUST
moved_at TIMESTAMPTZ NOT NULL,
ref_order_id BIGINT -- may point at sales.orders
);

CREATE TABLE inventory.product_master ( -- another product synonym
id BIGSERIAL PRIMARY KEY,
name VARCHAR(200) NOT NULL,
status VARCHAR(20) NOT NULL,
amount NUMERIC(12,2) NOT NULL, -- "list price" overloaded as amount
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- ── HR (sensitive) ─────────────────────────────────────────────────────────
CREATE TABLE hr.employees (
id BIGSERIAL PRIMARY KEY,
employee_number VARCHAR(32) NOT NULL UNIQUE,
name VARCHAR(200) NOT NULL,
email VARCHAR(200) NOT NULL,
status VARCHAR(20) NOT NULL, -- ACTIVE | LEAVE | TERMINATED
department VARCHAR(80) NOT NULL,
title VARCHAR(120) NOT NULL,
manager_id BIGINT,
hire_date DATE NOT NULL,
salary NUMERIC(12,2) NOT NULL, -- highly sensitive
ssn VARCHAR(11), -- PII
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE hr.payroll_runs (
id BIGSERIAL PRIMARY KEY,
employee_id BIGINT NOT NULL,
status VARCHAR(20) NOT NULL, -- DRAFT | APPROVED | PAID | VOID
amount NUMERIC(12,2) NOT NULL,
period_start DATE NOT NULL,
period_end DATE NOT NULL,
paid_at TIMESTAMPTZ
);

CREATE TABLE hr.departments (
id BIGSERIAL PRIMARY KEY,
name VARCHAR(120) NOT NULL UNIQUE,
status VARCHAR(20) NOT NULL,
cost_center VARCHAR(40)
);

-- Sparse helpful indexes; deliberate gaps on hot filters (status, placed_at range,
-- product_id, invoice customer_id) so the advisor has something to recommend.
CREATE INDEX idx_crm_accounts_status ON crm.accounts (status);
CREATE INDEX idx_sales_customers_code ON sales.customers (customer_code);
CREATE INDEX idx_sales_orders_customer ON sales.orders (customer_id);
CREATE INDEX idx_sales_orders_number ON sales.orders (order_number);
CREATE INDEX idx_finance_invoices_number ON finance.invoices (invoice_number);
CREATE INDEX idx_inventory_items_code ON inventory.items (item_code);
CREATE INDEX idx_hr_employees_number ON hr.employees (employee_number);

-- Legacy / redundant index noise (unused-looking after workload)
CREATE INDEX idx_sales_orders_currency ON sales.orders (currency);
CREATE INDEX idx_sales_products_created ON sales.products (created_at);
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