COM_STMT_BULK_EXECUTE
Executes a bulk insert of a previously prepared statement.
A command that returns a resultset will return an error (Error packet).
Direction
Client to server.
Fields
- int<1> 0xfa : COM_STMT_BULK_EXECUTE header
- int<4> statement id
- int<2> bulk flags
- if (bulk_flag & SEND_TYPES_TO_SERVER)
- for each parameter :
- byte<1>: field type
- byte<1>: parameter type flag
- for each parameter :
- until end of packet
- for each parameter (i.e param_count times)
- byte<1>: parameter indicator
- if indicator == NONE
- byte<n> : binary parameter value
- for each parameter (i.e param_count times)
Flags
bulk flags
| SEND_UNIT_RESULTS | 64 | Return generated affected rows and auto-increment IDs as a resultset (only when server supports MARIADB_CLIENT_BULK_UNIT_RESULTS capability) |
| SEND_TYPES_TO_SERVER | 128 | Send types to server |
parameter type flag:
| 128 | unsigned |
parameter indicator
| 0 | NONE | Value follow |
| 1 | NULL | Value is null |
| 2 | DEFAULT | For INSERT/UPDATE, value is default |
| 3 | IGNORE | Value is default for insert, Is ignored for update |
COM_STMT_BULK_EXECUTE response
The server can answer with 3 different responses:
- 0xff: ERR_Packet if any errors occur.
- 0x00: OK_packet when query execution works without resultset.
- a resultset containing affected rows and auto-increment IDs when bulk flag SEND_UNIT_RESULTS is set
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