e056f6f312
We use metaquery as a parameter of db func, and valid keys include db func parameters. When we parse query filters, the metadata dict is stored as key named metaquery in kwargs, and we store q.field=foo as key named foo in kwargs. Then if q.field=metaquery, the kwargs will get the key metaquery but its type is something, for i.e. string, but not dict. However the db func expects metaquery to be a dict but gets a string, then 500 is returned This patch returns a 400 error for such case, and removes 'metaquery' from valid keys in error message to avoid misleading end user. Change-Id: I430717e71a6586d63f267baee29bb71ef8c9eac1 Closes-Bug: #1426466
ceilometer
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