39 lines
989 B
Go
39 lines
989 B
Go
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package sqlbuilder
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import "fmt"
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func Example() {
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t1 := NewTable(
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"parent_prefix",
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IntColumn("ns_id", NotNullable),
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IntColumn("hash", NotNullable),
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StrColumn("prefix",
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UTF8,
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UTF8CaseInsensitive,
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NotNullable))
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t2 := NewTable(
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"sfj",
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IntColumn("ns_id", NotNullable),
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IntColumn("sjid", NotNullable),
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StrColumn("filename",
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UTF8,
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UTF8CaseInsensitive,
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NotNullable))
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ns_id1 := t1.C("ns_id")
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prefix := t1.C("prefix")
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ns_id2 := t2.C("ns_id")
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sjid := t2.C("sjid")
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filename := t2.C("filename")
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in := []int32{1, 2, 3}
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join := t2.LeftJoinOn(t1, Eq(ns_id1, ns_id2))
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q := join.Select(ns_id2, sjid, prefix, filename).Where(
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And(EqL(ns_id2, 456), In(sjid, in)))
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text, _ := q.String("shard1")
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fmt.Println(text)
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// Output:
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// SELECT `sfj`.`ns_id`,`sfj`.`sjid`,`parent_prefix`.`prefix`,`sfj`.`filename` FROM `shard1`.`sfj` LEFT JOIN `shard1`.`parent_prefix` ON `parent_prefix`.`ns_id`=`sfj`.`ns_id` WHERE (`sfj`.`ns_id`=456 AND `sfj`.`sjid` IN (1,2,3))
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}
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