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Wiki / Protocol Messages

EmptyQueryResponse

EmptyQueryResponse is a backend protocol message. Identifies the message as a response to an empty query string. (This substitutes for CommandComplete.)

Reading PG 18·Select a recorded version

Direction
Backend → frontend
First wire field
Byte1('I')
Field entries
2
Documented flow contexts
Simple Query; Extended Query
direction
B
fields
map[description:Identifies the message as a response to an empty query string. (This substitutes for CommandComplete.) format:Byte1('I')], map[description:Length of message contents in bytes, including self. format:Int32(4)]
manual path
/docs/18/protocol-message-formats.html
signature
EmptyQueryResponse (B)

Definition PG 18

Byte1('I')

Identifies the message as a response to an empty query string. (This substitutes for CommandComplete.)

Int32(4)

Length of message contents in bytes, including self.

Wire fields in documented order

PositionFormatMeaning
1Byte1('I')Identifies the message as a response to an empty query string. (This substitutes for CommandComplete.)
2Int32(4)Length of message contents in bytes, including self.

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Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f