Wiki / 运算符

center of

此版本暂无所选语言的定义，以下显示原始英文内容。

Left operand

none

Right operand

lseg

Result type

point

Implementing function

lseg_center(lseg)

Operator kind

Prefix

Hash join candidate

no

Merge join candidate

no

aliases

@@, @@(none,lseg)

manual semantics

Source catalog description; no additional matching manual operator definition claimed

memberships

未知

signature

@@(none,lseg) → point

source oid

969

{"commutator":"","function":"lseg_center(lseg)","hash_join":"f","kind":"l","left_type":"none","merge_join":"f","negator":"","result_type":"point","right_type":"lseg","symbol":"@@"}