27 lines
627 B
SQL
27 lines
627 B
SQL
-- Rename hospital table to no_icao_codes
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-- This keeps existing data and constraints while moving to the new table name.
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SET @has_hospitals := (
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SELECT COUNT(*)
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FROM information_schema.tables
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WHERE table_schema = DATABASE()
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AND table_name = 'hospitals'
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);
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SET @has_no_icao_codes := (
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SELECT COUNT(*)
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FROM information_schema.tables
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WHERE table_schema = DATABASE()
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AND table_name = 'no_icao_codes'
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);
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SET @rename_sql := IF(
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@has_hospitals > 0 AND @has_no_icao_codes = 0,
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'RENAME TABLE hospitals TO no_icao_codes',
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'SELECT 1'
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);
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PREPARE stmt FROM @rename_sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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