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Fix auto_increment metric collection errors caused by using collation in INFORMATION_SCHEMA searches #833

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Aug 29, 2024
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Fix auto_increment metric collection errors caused by using collation in INFORMATION_SCHEMA searches #833

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4 changes: 2 additions & 2 deletions collector/info_schema_auto_increment.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ import (
)

const infoSchemaAutoIncrementQuery = `
SELECT table_schema, table_name, column_name, auto_increment,
SELECT c.table_schema, c.table_name, column_name, auto_increment,
pow(2, case data_type
when 'tinyint' then 7
when 'smallint' then 15
Expand All @@ -33,7 +33,7 @@ const infoSchemaAutoIncrementQuery = `
when 'bigint' then 63
end+(column_type like '% unsigned'))-1 as max_int
FROM information_schema.columns c
STRAIGHT_JOIN information_schema.tables t USING (table_schema,table_name)
STRAIGHT_JOIN information_schema.tables t ON (BINARY c.table_schema=t.table_schema AND BINARY c.table_name=t.table_name)
WHERE c.extra = 'auto_increment' AND t.auto_increment IS NOT NULL
`

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