Table Properties... > [Columns tab] very slow

From: "microsys(dot)gr microsys(dot)gr" <microsys(dot)gr(at)gmail(dot)com>
To: pgadmin-support(at)postgresql(dot)org, pgadmin-hackers(at)postgresql(dot)org
Subject: Table Properties... > [Columns tab] very slow
Date: 2018-01-23 13:40:05
Message-ID: CALewnqRdimDsrapfni2v0dTyGTLQp-5wFPLUt-bWJo7ynMP1Zg@mail.gmail.com
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Version 2.1
Python Version 2.7.13 (v2.7.13:a06454b1afa1, Dec 17 2016, 20:42:59)
Flask Version 0.12.2
Application Mode Desktop

On tables with a lot of fields (table tested with 217 columns),
the table [Properties...] [Columns tab] form is useless slow.
It takes more than 100 seconds to complete the green/blue switches.
The same table needs only 5 secs to [View All Rows]

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