Re: Indexing on JSONB field not working

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От Zhihong Zhang
Тема Re: Indexing on JSONB field not working
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Msg-id 31E640F0-7115-4157-AED9-8F2D8C622D2B@gmail.com
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Ответ на Re: Indexing on JSONB field not working  (Jeff Janes <jeff.janes@gmail.com>)
Ответы Re: Indexing on JSONB field not working  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-bugs


On Dec 27, 2019, at 12:45 PM, Jeff Janes <jeff.janes@gmail.com> wrote:

Can you do  `pg_dump -s -t assets ...` to get a full description of the table?  If you don't want to share the full description, make sure whatever simplifications you do to it don't prevent the problem from reproducing.


I created a new table ‘assets_copy’ with only 3 columns. I can still reproduce the problem. The pg_dump output is attached.

Thanks!

Zhihong


--
-- PostgreSQL database dump
---- Dumped from database version 11.4
-- Dumped by pg_dump version 11.6SET statement_timeout = 0;
SET lock_timeout = 0;
SET idle_in_transaction_session_timeout = 0;
SET client_encoding = 'UTF8';
SET standard_conforming_strings = on;
SELECT pg_catalog.set_config('search_path', '', false);
SET check_function_bodies = false;
SET xmloption = content;
SET client_min_messages = warning;
SET row_security = off;SET default_tablespace = '';SET default_with_oids = false;--
-- Name: assets_copy; Type: TABLE; Schema: public; Owner: postgres
--CREATE TABLE public.assets_copy (
id character(20),
_doc jsonb,
floatvalue double precision
);ALTER TABLE public.assets_copy OWNER TO postgres;--
-- Name: column_float_value_idx; Type: INDEX; Schema: public; Owner: postgres
--CREATE INDEX column_float_value_idx ON public.assets_copy USING btree (floatvalue);--
-- Name: jsonb_float_value_idx; Type: INDEX; Schema: public; Owner: postgres
--CREATE INDEX jsonb_float_value_idx ON public.assets_copy USING btree ((((_doc #> '{floatValue}'::text[]))::double precision));--
-- PostgreSQL database dump complete
--

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