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src/db/migrations/0000_bizarre_colossus.sql

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+CREATE TABLE `consumers` (
+	`id` text PRIMARY KEY NOT NULL,
+	`project_id` text NOT NULL,
+	`distribution_board_id` text,
+	`name` text NOT NULL,
+	`category` text,
+	`quantity` integer NOT NULL,
+	`installed_power_per_unit_kw` real NOT NULL,
+	`demand_factor` real NOT NULL,
+	`voltage_v` real,
+	`phase_count` integer,
+	`power_factor` real,
+	`note` text,
+	FOREIGN KEY (`project_id`) REFERENCES `projects`(`id`) ON UPDATE no action ON DELETE cascade,
+	FOREIGN KEY (`distribution_board_id`) REFERENCES `distribution_boards`(`id`) ON UPDATE no action ON DELETE set null
+);
+--> statement-breakpoint
+CREATE TABLE `distribution_boards` (
+	`id` text PRIMARY KEY NOT NULL,
+	`project_id` text NOT NULL,
+	`name` text NOT NULL,
+	FOREIGN KEY (`project_id`) REFERENCES `projects`(`id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+CREATE TABLE `projects` (
+	`id` text PRIMARY KEY NOT NULL,
+	`name` text NOT NULL
+);