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util.sql: Handle failure to detect connection encoding

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Silences a luacheck warning about an unused variable
This commit is contained in:
Kim Alvefur 2019-12-23 21:13:27 +01:00
parent 613e3eb3dc
commit b0361006e1
1 changed files with 3 additions and 0 deletions
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3
util/sql.lua
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@ -335,6 +335,9 @@ function engine:set_encoding() -- to UTF-8
local ok, actual_charset = self:transaction(function ()
return self:select"SHOW SESSION VARIABLES LIKE 'character_set_client'";
end);
if not ok then
return false, "Failed to detect connection encoding";
end
local charset_ok = true;
for row in actual_charset do
if row[2] ~= charset then