adding indexes required for get pending operation

features/device-mgt/org.wso2.carbon.device.mgt.server.feature/src/main/resources/dbscripts/cdm/mysql.sql

@@ -47,6 +47,7 @@ CREATE TABLE IF NOT EXISTS DM_DEVICE (
 )ENGINE = InnoDB;
 
 CREATE INDEX IDX_DM_DEVICE ON DM_DEVICE(TENANT_ID, DEVICE_TYPE_ID);
+CREATE INDEX IDX_DM_DEVICE_TYPE_ID_DEVICE_IDENTIFICATION ON DM_DEVICE(TENANT_ID, DEVICE_TYPE_ID,DEVICE_IDENTIFICATION);
 
 CREATE TABLE IF NOT EXISTS DM_DEVICE_PROPERTIES (
      DEVICE_TYPE_NAME VARCHAR(300) NOT NULL,
@@ -134,6 +135,7 @@ CREATE TABLE IF NOT EXISTS DM_ENROLMENT (
 
 CREATE INDEX IDX_ENROLMENT_FK_DEVICE_ID ON DM_ENROLMENT(DEVICE_ID);
 CREATE INDEX IDX_ENROLMENT_DEVICE_ID_TENANT_ID ON DM_ENROLMENT(DEVICE_ID, TENANT_ID);
+CREATE INDEX IDX_ENROLMENT_DEVICE_ID_TENANT_ID_STATUS ON DM_ENROLMENT(DEVICE_ID, TENANT_ID, STATUS);
 
 CREATE TABLE IF NOT EXISTS DM_ENROLMENT_OP_MAPPING (
     ID INTEGER AUTO_INCREMENT NOT NULL,
@@ -156,6 +158,7 @@ CREATE TABLE IF NOT EXISTS DM_ENROLMENT_OP_MAPPING (
 CREATE INDEX IDX_ENROLMENT_OP_MAPPING ON DM_ENROLMENT_OP_MAPPING (UPDATED_TIMESTAMP);
 CREATE INDEX IDX_EN_OP_MAPPING_EN_ID ON DM_ENROLMENT_OP_MAPPING(ENROLMENT_ID);
 CREATE INDEX IDX_EN_OP_MAPPING_OP_ID ON DM_ENROLMENT_OP_MAPPING(OPERATION_ID);
+CREATE INDEX IDX_EN_OP_MAPPING_EN_ID_STATUS ON DM_ENROLMENT_OP_MAPPING(ENROLMENT_ID, STATUS);
 
 
 CREATE TABLE IF NOT EXISTS DM_DEVICE_OPERATION_RESPONSE  (