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HBT集合操作只能2个参数(数据源)
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junwen12221 committed May 28, 2020
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6 changes: 3 additions & 3 deletions doc/103-HBTlang.md
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Expand Up @@ -299,9 +299,9 @@ filter(fromTable("db1", "travelrecord"), eq(new Identifier("id"), new Literal(1)

#### 集合操作

| 名称 | 类型 | 参数数量 | 参数 |
| -------- | ---- | -------- | ------------------ |
| 集合操作 | rel | 至少2个 | 大于等于两个数据源 |
| 名称 | 类型 | 参数数量 | 参数 |
| -------- | ---- | -------- | -------------- |
| 集合操作 | rel | 2个 | 等于两个数据源 |



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