This chapter introduces how to delete data according to the primary key from Hippo. Hippo will return the subscript of deleted data and the number of deleted rows. If row-level error pops up, such as “Primary key does not exist”, detailed error information will be returned.
curl -u shiva:shiva -XPUT 'localhost:8902/hippo/v1/{table}/_bulk?database_name={database_name}&pretty' -H 'Content-Type: application/json' -d'{
"fields_data": [
{
"field_name": "book_id",
"field": [
1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100
]
}
],
"num_rows": 100,
"op_type": "delete"
}';
Result:
{
"succ_index" : [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99],
"delete_cnt" : 100
}
Parameter description:
| Parameters | Description | Required |
|---|---|---|
| table | Table name, such as "book" created in this example | Yes |
| database_name | The database where the table is located | No, defaults to "default" database |
| fields_data | Data to be deleted | Yes |
| field_name | Primary key name | Yes |
| field | Primary key value | Yes |
| num_rows | The number of rows of data to be deleted, which is equal to the number of linear arrays each field has | Yes |
| op_type | Operation type, “delete” represents the delete operation | Yes |