Wiki / Operators

prepend element onto front of array

Left operand

anycompatible

Right operand

anycompatiblearray

Result type

anycompatiblearray

Implementing function

array_prepend(anycompatible,anycompatiblearray)

Operator kind

Binary

Hash join candidate

no

Merge join candidate

no

aliases

||, ||(anycompatible,anycompatiblearray)

manual semantics

Exact operand/result signature matched

memberships

Unknown

signature

||(anycompatible,anycompatiblearray) → anycompatiblearray

source oid

374

{"commutator":"","function":"array_prepend(anycompatible,anycompatiblearray)","hash_join":"f","kind":"b","left_type":"anycompatible","merge_join":"f","negator":"","result_type":"anycompatiblearray","right_type":"anycompatiblearray","symbol":"||"}