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Mybatis操作PgSQL的JSON类型
Mybatis在保存json类型字段时报错：
SQL: UPDATE viewing_angle SET name=?, destination=?, orientation=? WHERE id=?
### Cause: org.postgresql.util.PSQLException: ERROR: column "destination" is of type json but expression is of type character varying
建议：You will need to rewrite or cast the expression.
位置：48
; bad SQL grammar []; nested exception is org.postgresql.util.PSQLException: ERROR: column "destination" is of type json but expression is of type character varying
建议：You will need to rewrite or cast the expression.解决方法：可以再jdbc连接后面增加stringtype=unspecified来把JSON类型当STRING类型存储
spring.datasource.url=jdbc:postgresql://192.168.8.190:5432/oyz_3d_server?stringtype=unspecified
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