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pac-auth/docs/drizzle条件查询.md

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在 Drizzle ORM 中,`.where()` 方法接受各种条件操作符来构建查询条件。以下是一些常用的条件操作符及其含义:
1. **eq**(等于)
```typescript
import { eq } from "drizzle-orm";
db.select().from(table).where(eq(table.column, 5));
```
```sql
SELECT * FROM table WHERE table.column = 5
```
用于检查列的值是否等于某个值 [(1)](https://orm.drizzle.team/docs/operators) 。
2. **ne**(不等于)
```typescript
import { ne } from "drizzle-orm";
db.select().from(table).where(ne(table.column1, table.column2));
```
```sql
SELECT * FROM table WHERE table.column1 <> table.column2
```
用于检查列的值是否不等于某个值。
3. **gt**(大于)
```typescript
import { gt } from "drizzle-orm";
db.select().from(table).where(gt(table.column, 5));
```
```sql
SELECT * FROM table WHERE table.column > 5
```
用于检查列的值是否大于某个值。
4. **gte**(大于等于)
```typescript
import { gte } from "drizzle-orm";
db.select().from(table).where(gte(table.column, 5));
```
```sql
SELECT * FROM table WHERE table.column >= 5
```
用于检查列的值是否大于或等于某个值。
5. **lt**(小于)
```typescript
import { lt } from "drizzle-orm";
db.select().from(table).where(lt(table.column, 5));
```
```sql
SELECT * FROM table WHERE table.column < 5
```
用于检查列的值是否小于某个值。
6. **lte**(小于等于)
```typescript
import { lte } from "drizzle-orm";
db.select().from(table).where(lte(table.column, 5));
```
```sql
SELECT * FROM table WHERE table.column <= 5
```
用于检查列的值是否小于或等于某个值。
7. **isNull**(为空)
```typescript
import { isNull } from "drizzle-orm";
db.select().from(table).where(isNull(table.column));
```
```sql
SELECT * FROM table WHERE table.column IS NULL
```
用于检查列的值是否为 `NULL`
8. **isNotNull**(不为空)
```typescript
import { isNotNull } from "drizzle-orm";
db.select().from(table).where(isNotNull(table.column));
```
```sql
SELECT * FROM table WHERE table.column IS NOT NULL
```
用于检查列的值是否不为 `NULL`
9. **inArray**(在数组中)
```typescript
import { inArray } from "drizzle-orm";
db.select().from(table).where(inArray(table.column, [1, 2, 3, 4]));
```
```sql
SELECT * FROM table WHERE table.column IN (1, 2, 3, 4)
```
用于检查列的值是否在给定的数组中。
10. **notInArray**(不在数组中)
```typescript
import { notInArray } from "drizzle-orm";
db.select().from(table).where(notInArray(table.column, [1, 2, 3, 4]));
```
```sql
SELECT * FROM table WHERE table.column NOT IN (1, 2, 3, 4)
```
用于检查列的值是否不在给定的数组中。
11. **exists**(存在)
```typescript
import { exists } from "drizzle-orm";
const query = db.select().from(table2);
db.select().from(table).where(exists(query));
```
```sql
SELECT * FROM table WHERE EXISTS (SELECT * FROM table2)
```
用于检查子查询是否返回任何行。
12. **notExists**(不存在)
```typescript
import { notExists } from "drizzle-orm";
const query = db.select().from(table2);
db.select().from(table).where(notExists(query));
```
```sql
SELECT * FROM table WHERE NOT EXISTS (SELECT * FROM table2)
```
用于检查子查询是否不返回任何行。
13. **between**(在范围之间)
```typescript
import { between } from "drizzle-orm";
db.select().from(table).where(between(table.column, 2, 7));
```
```sql
SELECT * FROM table WHERE table.column BETWEEN 2 AND 7
```
用于检查列的值是否在两个值之间。
14. **notBetween**(不在范围之间)
```typescript
import { notBetween } from "drizzle-orm";
db.select().from(table).where(notBetween(table.column, 2, 7));
```
```sql
SELECT * FROM table WHERE table.column NOT BETWEEN 2 AND 7
```
用于检查列的值是否不在两个值之间。
15. **like**(匹配模式)
```typescript
import { like } from "drizzle-orm";
db.select().from(table).where(like(table.column, "%llo wor%"));
```
```sql
SELECT * FROM table WHERE table.column LIKE '%llo wor%'
```
用于执行大小写敏感的模式匹配。
16. **ilike**(不区分大小写的模式匹配)
```typescript
import { ilike } from "drizzle-orm";
db.select().from(table).where(ilike(table.column, "%llo wor%"));
```
```sql
SELECT * FROM table WHERE table.column ILIKE '%llo wor%'
```
用于执行不区分大小写的模式匹配。
17. **notIlike**(不区分大小写的不匹配)
```typescript
import { notIlike } from "drizzle-orm";
db.select().from(table).where(notIlike(table.column, "%llo wor%"));
```
```sql
SELECT * FROM table WHERE table.column NOT ILIKE '%llo wor%'
```
用于执行不区分大小写的不匹配。
18. **not**(所有条件必须返回 `false`
```typescript
import { eq, not } from "drizzle-orm";
db.select().from(table).where(not(eq(table.column, 5)));
```
```sql
SELECT * FROM table WHERE NOT (table.column = 5)
```
用于检查条件是否不满足。
19. **and**(所有条件必须返回 `true`
```typescript
import { gt, lt, and } from "drizzle-orm";
db.select().from(table).where(and(gt(table.column, 5), lt(table.column, 7)));
```
```sql
SELECT * FROM table WHERE (table.column > 5 AND table.column < 7)
```
用于将多个条件组合在一起,所有条件必须满足。
20. **or**(一个或多个条件必须返回 `true`
```typescript
import { gt, lt, or } from "drizzle-orm";
db.select().from(table).where(or(gt(table.column, 5), lt(table.column, 7)));
```
```sql
SELECT * FROM table WHERE (table.column > 5 OR table.column < 7)
```
用于将多个条件组合在一起,任意一个条件满足即可。
21. **arrayContains**(数组包含)
```typescript
import { arrayContains } from "drizzle-orm";
const contains = await db.select({ id: posts.id }).from(posts)
.where(arrayContains(posts.tags, ['Typescript', 'ORM']));
```
```sql
select "id" from "posts" where "posts"."tags" @> {Typescript,ORM};
```
用于检查某列或表达式是否包含列表中的所有元素。
22. **arrayContained**(数组被包含)
```typescript
import { arrayContained } from "drizzle-orm";
const contained = await db.select({ id: posts.id }).from(posts)
.where(arrayContained(posts.tags, ['Typescript', 'ORM']));
```
```sql
select "id" from "posts" where "posts"."tags" <@ {Typescript,ORM};
```
用于检查某列或表达式是否被列表中的所有元素包含。
23. **arrayOverlaps**(数组重叠)
```typescript
import { arrayOverlaps } from "drizzle-orm";
const overlaps = await db.select({ id: posts.id }).from(posts)
.where(arrayOverlaps(posts.tags, ['Typescript', 'ORM']));
```
```sql
select "id" from "posts" where "posts"."tags" && {Typescript,ORM}
```
用于检查某列或表达式是否与列表中的任何元素重叠。
这些条件操作符使得 Drizzle ORM 在构建复杂查询时非常灵活,能够满足各种不同的查询需求。
### 引用:
: [Filter and conditional operators](https://orm.drizzle.team/docs/operators)