42 lines
1.3 KiB
SQL
42 lines
1.3 KiB
SQL
SET @schema_name := DATABASE();
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SET @lang_column_exists := (
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SELECT COUNT(1)
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FROM information_schema.columns
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WHERE table_schema = @schema_name
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AND table_name = 'content_banner'
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AND column_name = 'lang'
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);
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SET @add_lang_column_sql := IF(
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@lang_column_exists = 0,
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'ALTER TABLE content_banner ADD COLUMN lang VARCHAR(10) NULL COMMENT ''배너 노출 언어'' AFTER type',
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'SELECT ''content_banner.lang already exists'' AS message'
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);
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PREPARE add_lang_column_stmt FROM @add_lang_column_sql;
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EXECUTE add_lang_column_stmt;
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DEALLOCATE PREPARE add_lang_column_stmt;
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UPDATE content_banner
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SET lang = 'KO'
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WHERE lang IS NULL;
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SET @lang_column_nullable := (
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SELECT IS_NULLABLE
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FROM information_schema.columns
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WHERE table_schema = @schema_name
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AND table_name = 'content_banner'
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AND column_name = 'lang'
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);
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SET @alter_lang_column_sql := IF(
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@lang_column_nullable = 'YES',
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'ALTER TABLE content_banner MODIFY COLUMN lang VARCHAR(10) NOT NULL DEFAULT ''KO'' COMMENT ''배너 노출 언어 (KO 기본, EN/JA 추가 가능)''',
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'SELECT ''content_banner.lang already normalized'' AS message'
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);
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PREPARE alter_lang_column_stmt FROM @alter_lang_column_sql;
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EXECUTE alter_lang_column_stmt;
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DEALLOCATE PREPARE alter_lang_column_stmt;
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