RelDataTypePrecedenceList (Apache Calcite API)

All Known Implementing Classes:

SqlTypeExplicitPrecedenceList
```
public interface RelDataTypePrecedenceList
```
RelDataTypePrecedenceList defines a type precedence list for a particular type.

See Also:

SQL:1999 Part 2 Section 9.5

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`compareTypePrecedence(RelDataType type1, RelDataType type2)`	Compares the precedence of two types.
`boolean`	`containsType(RelDataType type)`	Determines whether a type appears in this precedence list.

- Method Detail
  - containsType
```
boolean containsType(RelDataType type)
```
    Determines whether a type appears in this precedence list.
    
    Parameters:
    
    type - type to check
    
    Returns:
    
    true iff this list contains type
  - compareTypePrecedence
```
int compareTypePrecedence(RelDataType type1,
                          RelDataType type2)
```
    Compares the precedence of two types.
    The list must contain both types.
    
    Parameters:
    
    type1 - first type to compare
    
    type2 - second type to compare
    
    Returns:
    
    positive if type1 has higher precedence; negative if type2 has higher precedence; 0 if types have equal precedence