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@ -362,7 +362,9 @@ public abstract class AbstractSchemaMigrator implements SchemaMigrator {
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Set<Identifier> identifiers = getUniqueKeyIdentifiers(table); |
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if (tableInfo != null) { |
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for (IndexInformation indexInfo : tableInfo.getIndexes()) { |
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if (!indexInfo.isUnique() || indexInfo.getIndexIdentifier().equals(tableInfo.getPrimaryKey().getPrimaryKeyIdentifier())) { |
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PrimaryKeyInformation primaryKey = tableInfo.getPrimaryKey(); |
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//主键不存在时npe处理
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if (!indexInfo.isUnique() || (primaryKey != null && indexInfo.getIndexIdentifier().equals(primaryKey.getPrimaryKeyIdentifier()))) { |
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continue; |
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} |
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//如果旧的唯一键已经不存在, 则删除
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