Sindbad~EG File Manager

-- Demography Data Table
-- Add this to your existing database

CREATE TABLE demography_data (
    id INT AUTO_INCREMENT PRIMARY KEY,
    area_id INT NOT NULL,
    district_id INT NOT NULL,
    assembly_id INT NOT NULL,
    
    -- Children's Membership (below 13yrs)
    children_male INT DEFAULT 0,
    children_female INT DEFAULT 0,
    children_total INT GENERATED ALWAYS AS (children_male + children_female) STORED,
    
    -- Youth Membership - Teens (13-19yrs)
    teens_male INT DEFAULT 0,
    teens_female INT DEFAULT 0,
    teens_total INT GENERATED ALWAYS AS (teens_male + teens_female) STORED,
    
    -- Youth Membership - Young Adults (20-35yrs)
    young_adults_male INT DEFAULT 0,
    young_adults_female INT DEFAULT 0,
    young_adults_total INT GENERATED ALWAYS AS (young_adults_male + young_adults_female) STORED,
    
    -- Youth Total (Teens + Young Adults)
    youth_total INT GENERATED ALWAYS AS (teens_total + young_adults_total) STORED,
    
    -- Other Adults (above 35 years)
    other_adults_male INT DEFAULT 0,
    other_adults_female INT DEFAULT 0,
    other_adults_total INT GENERATED ALWAYS AS (other_adults_male + other_adults_female) STORED,
    
    -- Total Adult Members (Youth + Other Adults)
    total_adult_members INT GENERATED ALWAYS AS (youth_total + other_adults_total) STORED,
    
    -- Overall Members (Adults & Children)
    overall_members INT GENERATED ALWAYS AS (children_total + total_adult_members) STORED,
    
    -- Metadata
    created_by INT NOT NULL,
    updated_by INT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    
    -- Foreign Keys
    FOREIGN KEY (area_id) REFERENCES areas(id) ON DELETE CASCADE,
    FOREIGN KEY (district_id) REFERENCES districts(id) ON DELETE CASCADE,
    FOREIGN KEY (assembly_id) REFERENCES assemblies(id) ON DELETE CASCADE,
    FOREIGN KEY (created_by) REFERENCES users(id),
    FOREIGN KEY (updated_by) REFERENCES users(id),
    
    -- Unique constraint to prevent duplicate entries for same assembly
    UNIQUE KEY unique_assembly_entry (assembly_id),
    
    -- Indexes for better performance
    INDEX idx_area_district (area_id, district_id),
    INDEX idx_created_by (created_by),
    INDEX idx_created_at (created_at)
);