The following table describes the ODCIPredInfo.Flags constants.
Applicability
This topic applies only to OceanBase Database Enterprise Edition. OceanBase Database Community Edition provides only the MySQL mode.
Constant |
Data type |
Default value |
Description |
|---|---|---|---|
| PredExactMatch | INTEGER | 1 | Indicates an equivalent predicate. |
| PredPrefixMatch | INTEGER | 2 | Indicates the LIKE predicate. |
| PredIncludeStart | INTEGER | 4 | Indicates that the start value is included in the index range scan. |
| PredIncludeStop | INTEGER | 8 | Indicates that the stop value is included in the index range scan. |
| PredObjectFunc | INTEGER | 16 | Indicates that the left side of the predicate is an independent function. |
| PredObjectPkg | INTEGER | 32 | Indicates that the left side of the predicate is a package function. |
| PredObjectType | INTEGER | 64 | Indicates that the left side of the predicate is a type method. |
| PredMultiTable | INTEGER | 128 | Indicates that the predicate contains columns from multiple tables. |
| PredNotEqual | INTEGER | 256 | Indicates an unequal predicate. |