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52 lines
2.2 KiB
52 lines
2.2 KiB
USE dating_app;
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-- Keep existing posts readable as plain text; new metadata is optional.
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SET @column_exists = (
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SELECT COUNT(*) FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'posts' AND COLUMN_NAME = 'content_format'
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);
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SET @statement = IF(@column_exists = 0,
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'ALTER TABLE posts ADD COLUMN content_format VARCHAR(10) NOT NULL DEFAULT ''plain'' AFTER post_type', 'SELECT 1');
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PREPARE migration_statement FROM @statement;
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EXECUTE migration_statement;
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DEALLOCATE PREPARE migration_statement;
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SET @column_exists = (
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SELECT COUNT(*) FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'posts' AND COLUMN_NAME = 'feeling'
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);
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SET @statement = IF(@column_exists = 0,
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'ALTER TABLE posts ADD COLUMN feeling VARCHAR(50) NULL AFTER content_format', 'SELECT 1');
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PREPARE migration_statement FROM @statement;
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EXECUTE migration_statement;
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DEALLOCATE PREPARE migration_statement;
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SET @column_exists = (
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SELECT COUNT(*) FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'posts' AND COLUMN_NAME = 'location_name'
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);
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SET @statement = IF(@column_exists = 0,
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'ALTER TABLE posts ADD COLUMN location_name VARCHAR(255) NULL AFTER feeling', 'SELECT 1');
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PREPARE migration_statement FROM @statement;
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EXECUTE migration_statement;
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DEALLOCATE PREPARE migration_statement;
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SET @column_exists = (
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SELECT COUNT(*) FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'posts' AND COLUMN_NAME = 'location_latitude'
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);
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SET @statement = IF(@column_exists = 0,
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'ALTER TABLE posts ADD COLUMN location_latitude DOUBLE NULL AFTER location_name', 'SELECT 1');
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PREPARE migration_statement FROM @statement;
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EXECUTE migration_statement;
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DEALLOCATE PREPARE migration_statement;
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SET @column_exists = (
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SELECT COUNT(*) FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'posts' AND COLUMN_NAME = 'location_longitude'
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);
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SET @statement = IF(@column_exists = 0,
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'ALTER TABLE posts ADD COLUMN location_longitude DOUBLE NULL AFTER location_latitude', 'SELECT 1');
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PREPARE migration_statement FROM @statement;
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EXECUTE migration_statement;
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DEALLOCATE PREPARE migration_statement;
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