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@@ -0,0 +1,24 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<current_version value = "1.1.2">
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<pre_version value = "1.1.2">
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<!-- modify_type值含义 1 : 增加表 2 : 删除表 3 : 修改表 -->
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<!-- 列的属性在这里只为名称,主键,值的属性,索引信息,外键,和是否为空,其中是否压缩.
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其中 vallue_type的值域 1: text 最多255个字节 2: Memo 最多65535个字节 3: Byte
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4: Integer 5: Long 6: Single 7: Double 8:Currency 9 AutoNumber 10: Date/Time
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11: Yes/No 12 : Ole Object 13: Hyperlink 暂时不支持Lookup Wizard
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其中在1,2 中,attribute_value表示的是字符的长度,其他值时,attribute_value没有含义。
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index值得含义: 0 : 表示没有索引, 1: 有索引并允许重复 2: 有索引不允许重复
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is_primary_key, index, is_foreign_key,is_empty, is_compress默认值为0 -->
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<table name = "test" modify_type= "1" >
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<column name = "id" is_primary_key = "1" value_type = "9" attribute_value="1" is_foreign_key = "0" is_empty="0" is_compress="0"/>
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<column name = "col1" value_type = "2" attribute_value="20" is_empty="1" is_compress="1"/>
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<column name = "col2" value_type = "5" attribute_value="30" is_foreign_key = "0" refer_table_name="FK_test" refer_table_col="fk1"/>
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<column name = "col3" value_type = "5" index ="2" />
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</table>
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</pre_version>
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</current_version>
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