Ignite can use only one index per table, so, you probably need to create a group index: https://apacheignite-sql.readme.io/docs/schema-and-indexes#section-group-indexes
Evgenii пн, 7 янв. 2019 г. в 06:47, Justin Ji <binarytre...@foxmail.com>: > when I run a SQL query with the two indexes, but ignite does not perform as > expected, it only uses dpId does not use devId, I explain the SQL: > > SELECT > __Z0.ID AS __C0_0, > __Z0.GMTCREATE AS __C0_1, > __Z0.GMTMODIFIED AS __C0_2, > __Z0.DEVID AS __C0_3, > __Z0.DPID AS __C0_4, > __Z0.CODE AS __C0_5, > __Z0.NAME AS __C0_6, > __Z0.CUSTOMNAME AS __C0_7, > __Z0.MODE AS __C0_8, > __Z0.TYPE AS __C0_9, > __Z0.VALUE AS __C0_10, > __Z0.RAWVALUE AS __C0_11, > __Z0.TIME AS __C0_12, > __Z0.STATUS AS __C0_13, > __Z0.UUID AS __C0_14 > FROM "data_point".T_DATA_POINT __Z0 > /* "data_point".IDX_DPID: DPID = 1 */ > WHERE (__Z0.DEVID = '00200008005459000a70') > AND (__Z0.DPID = 1) > > When I only use devId as query condition: > SELECT > __Z0.ID AS __C0_0, > __Z0.GMTCREATE AS __C0_1, > __Z0.GMTMODIFIED AS __C0_2, > __Z0.DEVID AS __C0_3, > __Z0.DPID AS __C0_4, > __Z0.CODE AS __C0_5, > __Z0.NAME AS __C0_6, > __Z0.CUSTOMNAME AS __C0_7, > __Z0.MODE AS __C0_8, > __Z0.TYPE AS __C0_9, > __Z0.VALUE AS __C0_10, > __Z0.RAWVALUE AS __C0_11, > __Z0.TIME AS __C0_12, > __Z0.STATUS AS __C0_13, > __Z0.UUID AS __C0_14 > FROM "data_point".T_DATA_POINT __Z0 > /* "data_point".IDX_DEVID: DEVID = '00200008005459000a70' */ > WHERE __Z0.DEVID = '00200008005459000a70' > > It is very strange, so can anyone tell me how to use devId and dpId as > query > index? > > > > > -- > Sent from: http://apache-ignite-users.70518.x6.nabble.com/ >
