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is contained by

此版本暂无所选语言的定义，以下显示原始英文内容。

Left operand

jsonb

Right operand

jsonb

Result type

bool

Implementing function

jsonb_contained(jsonb,jsonb)

Operator kind

Binary

Hash join candidate

no

Merge join candidate

no

aliases

<@, <@(jsonb,jsonb)

manual semantics

Exact operand/result signature matched

memberships

未知

signature

<@(jsonb,jsonb) → bool

source oid

3250

{"commutator":"@\u003e(jsonb,jsonb)","function":"jsonb_contained(jsonb,jsonb)","hash_join":"f","kind":"b","left_type":"jsonb","merge_join":"f","negator":"","result_type":"bool","right_type":"jsonb","symbol":"\u003c@"}