Feat[BE]: add migration scripts for product warehouse ID management and create production standards tables with constraints and indexes

internal/database/migrations/20251226161036_create_production_standards_tables.down.sql

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+-- Drop indexes
+DROP INDEX IF EXISTS idx_standard_growth_details_standard_week;
+DROP INDEX IF EXISTS idx_production_standard_details_standard_week;
+DROP INDEX IF EXISTS idx_production_standards_project_category;
+DROP INDEX IF EXISTS idx_production_standards_deleted_at;
+
+-- Drop tables (in reverse order due to foreign keys)
+DROP TABLE IF EXISTS standard_growth_details;
+DROP TABLE IF EXISTS production_standard_details;
+DROP TABLE IF EXISTS production_standards;

internal/database/migrations/20251226161036_create_production_standards_tables.up.sql

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+-- Create production_standards table
+CREATE TABLE IF NOT EXISTS production_standards (
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR(100) UNIQUE NOT NULL,
+    project_category VARCHAR(20) NOT NULL CHECK (project_category IN ('GROWING', 'LAYING')),
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT NOT NULL
+);
+
+-- Create index for deleted_at (soft delete)
+CREATE INDEX idx_production_standards_deleted_at ON production_standards(deleted_at);
+
+-- Create production_standard_details table
+CREATE TABLE IF NOT EXISTS production_standard_details (
+    id BIGSERIAL PRIMARY KEY,
+    production_standard_id BIGINT NOT NULL,
+    week INT NOT NULL,
+    target_hen_day_production NUMERIC(15, 3),
+    target_hen_house_production NUMERIC(15, 3),
+    target_egg_weight NUMERIC(15, 3),
+    target_egg_mass NUMERIC(15, 3),
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    CONSTRAINT fk_production_standard_details_standard FOREIGN KEY (production_standard_id)
+        REFERENCES production_standards(id) ON DELETE CASCADE
+);
+
+-- Create unique constraint for standard_id + week
+CREATE UNIQUE INDEX idx_production_standard_details_standard_week
+    ON production_standard_details(production_standard_id, week);
+
+-- Create standard_growth_details table
+CREATE TABLE IF NOT EXISTS standard_growth_details (
+    id BIGSERIAL PRIMARY KEY,
+    production_standard_id BIGINT NOT NULL,
+    target_mean_bw INT,
+    max_depletion NUMERIC(15, 3),
+    min_uniformity NUMERIC(15, 3) NOT NULL,
+    week INT NOT NULL,
+    feed_intake INT,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    created_by BIGINT NOT NULL,
+    CONSTRAINT fk_standard_growth_details_standard FOREIGN KEY (production_standard_id)
+        REFERENCES production_standards(id) ON DELETE CASCADE
+);
+
+-- Create unique constraint for standard_id + week
+CREATE UNIQUE INDEX idx_standard_growth_details_standard_week
+    ON standard_growth_details(production_standard_id, week);
+
+-- Create index for project_category
+CREATE INDEX idx_production_standards_project_category ON production_standards(project_category);