25 lines
900 B
MySQL
25 lines
900 B
MySQL
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-- Migration: Add import_method tracking to email_messages
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-- Purpose: Track how emails were imported (IMAP, Graph API, or manual upload)
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-- Date: 2026-01-06
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-- Add import_method column
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ALTER TABLE email_messages
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ADD COLUMN import_method VARCHAR(50) DEFAULT 'imap';
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-- Add comment
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COMMENT ON COLUMN email_messages.import_method IS 'How the email was imported: imap, graph_api, or manual_upload';
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-- Create index for filtering by import method
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CREATE INDEX idx_email_messages_import_method ON email_messages(import_method);
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-- Update existing records to reflect their actual source
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-- (all existing emails were fetched via IMAP or Graph API)
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UPDATE email_messages
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SET import_method = 'imap'
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WHERE import_method IS NULL;
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-- Add constraint to ensure valid values
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ALTER TABLE email_messages
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ADD CONSTRAINT chk_email_import_method
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CHECK (import_method IN ('imap', 'graph_api', 'manual_upload'));
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