Constraint violation Errors

NDB Error CodeMySQL Error CodeNDB Error ClassificationError Message
630HA_ERR_FOUND_DUPP_KEYCVTuple already existed when attempting to insert
839DMECCVIllegal null attribute
840DMECCVTrying to set a NOT NULL attribute to NULL
893HA_ERR_FOUND_DUPP_KEYCVConstraint violation e.g. duplicate value in unique index
255HA_ERR_NO_REFERENCED_ROWCVForeign key constraint violated: No parent row found
256HA_ERR_ROW_IS_REFERENCEDCVForeign key constraint violated: Referenced row exists