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我想在特定類型的元素中創建索引。PostgreSQL - 在類型元素上創建索引
你能幫我嗎?由於
CREATE TYPE taddress AS (
street1 varchar,
street2 varchar,
zipcode varchar,
city varchar
);
CREATE TABLE person (
id serial primary key,
firstname varchar not null,
lastname varchar not null,
address taddress);
CREATE INDEX idx_street1 ON person ((address).street2); -- <- Doesn't work !!