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fix case sensitive bug when querying information schema db (#122)

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This commit is contained in:
morningman
2017-09-30 13:55:15 +08:00
committed by yubingpeng
parent 57c9da619b
commit 6196ecdaca
1 changed files with 11 additions and 3 deletions
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14
fe/src/com/baidu/palo/catalog/Catalog.java
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@ -3716,9 +3716,17 @@ public class Catalog {
try {
if (fullNameToDb.containsKey(name)) {
return fullNameToDb.get(name);
} else if (name.equalsIgnoreCase(InfoSchemaDb.DATABASE_NAME)) {
return fullNameToDb.get(InfoSchemaDb.DATABASE_NAME);
}
} else {
// This maybe a information_schema db request, and information_schema db name is case insensitive.
// So, we first extract db name to check if it is information_schema.
// Then we reassemble the origin cluster name with lower case db name,
// and finally get information_schema db from the name map.
String dbName = ClusterNamespace.getNameFromFullName(name);
if (dbName.equalsIgnoreCase(InfoSchemaDb.DATABASE_NAME)) {
String clusterName = ClusterNamespace.getClusterNameFromFullName(name);
return fullNameToDb.get(ClusterNamespace.getFullName(clusterName, dbName.toLowerCase()));
}
}
return null;
} finally {
readUnlock();