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fixed statistics query: getting the correct column names by unique key

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This commit is contained in:
Shlomi Noach 2016-05-04 09:50:00 +03:00
parent dfdac964f1
commit 800c1109b0
1 changed files with 5 additions and 2 deletions
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7
go/logic/inspect.go
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@ -405,7 +405,10 @@ func (this *Inspector) getCandidateUniqueKeys(tableName string) (uniqueKeys [](*
SUBSTRING_INDEX(GROUP_CONCAT(COLUMN_NAME ORDER BY SEQ_IN_INDEX ASC), ',', 1) AS FIRST_COLUMN_NAME,
SUM(NULLABLE='YES') > 0 AS has_nullable
FROM INFORMATION_SCHEMA.STATISTICS
WHERE NON_UNIQUE=0
WHERE
NON_UNIQUE=0
AND TABLE_SCHEMA = ?
AND TABLE_NAME = ?
GROUP BY TABLE_SCHEMA, TABLE_NAME, INDEX_NAME
) AS UNIQUES
ON (
@ -448,7 +451,7 @@ func (this *Inspector) getCandidateUniqueKeys(tableName string) (uniqueKeys [](*
}
uniqueKeys = append(uniqueKeys, uniqueKey)
return nil
}, this.migrationContext.DatabaseName, tableName)
}, this.migrationContext.DatabaseName, tableName, this.migrationContext.DatabaseName, tableName)
if err != nil {
return uniqueKeys, err
}