attrfloatmax

2025-04-25 20:33:48

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含义

• Trajectory SQL参考的属性函数ST_attrFloatMax_云数据库 RDS(RDS...

  attr_field_name 指定的属性字段名称。 示例 select st_attrFloatMax(ST_makeTrajectory('STPOINT'::leaftype, 'LINESTRING(-179.48077 51.72814,-179.46731 51.74634,-179.46502 51.74934,-179.46183 51.75378,-179.45943 51.75736,-179.45560 51.76273,-179.44845 51.77186,-179.43419 51.78977,-179.41259 51.81643,-179.41001...

• Trajectory SQL参考的属性函数ST_attrFloatMax_云数据库 RDS(RDS...

  attr_field_name 指定的属性字段名称。 示例 select st_attrFloatMax(ST_makeTrajectory('STPOINT'::leaftype, 'LINESTRING(-179.48077 51.72814,-179.46731 51.74634,-179.46502 51.74934,-179.46183 51.75378,-179.45943 51.75736,-179.45560 51.76273,-179.44845 51.77186,-179.43419 51.78977,-179.41259 51.81643,-179.41001...

• 使用ST_attrFloatMax获得轨迹属性字段类型为float的属性最大值(O...

  attr_field_name指定的属性字段名称。 示例 selectst_attrFloatMax(ST_makeTrajectory('STPOINT'::leaftype, 'LINESTRING(-179.4807751.72814,-179.4673151.74634,-179.4650251.74934,-179.4618351.75378,-179.4594351.75736,-179.4556051.76273,-179.4484551.77186,-179.4341951.78977,-179.4125951.81643,-179.4100151....

• 使用ST_attrFloatMax获得轨迹属性字段类型为float的属性最大值...

  attr_field_name指定的属性字段名称。 示例 selectst_attrFloatMax(ST_makeTrajectory('STPOINT'::leaftype, 'LINESTRING(-179.4807751.72814,-179.4673151.74634,-179.4650251.74934,-179.4618351.75378,-179.4594351.75736,-179.4556051.76273,-179.4484551.77186,-179.4341951.78977,-179.4125951.81643,-179.4100151....

• Trajectory SQL参考的属性函数ST_attrFloatMax_云数据库 RDS(RDS...

  attr_field_name 指定的属性字段名称。 示例 select st_attrFloatMax(ST_makeTrajectory('STPOINT'::leaftype, 'LINESTRING(-179.48077 51.72814,-179.46731 51.74634,-179.46502 51.74934,-179.46183 51.75378,-179.45943 51.75736,-179.45560 51.76273,-179.44845 51.77186,-179.43419 51.78977,-179.41259 51.81643,-179.41001...

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