org.apache.calcite.sql.validate

Interface SqlNameMatcher

All Known Implementing Classes:

SqlNameMatchers.BaseMatcher, SqlNameMatchers.LiberalNameMatcher

public interface SqlNameMatcher

Checks whether two names are the same according to a case-sensitivity policy.

See Also:

SqlNameMatchers

Method Summary

Modifier and Type	Method and Description
String	bestString() Returns the most recent match.
RelDataTypeField	field(RelDataType rowType, String fieldName) Finds a field with a given name, using the current case-sensitivity, returning null if not found.
<K extends List<String>,V> V	get(Map<K,V> map, List<String> prefixNames, List<String> names) Looks up an item in a map.
boolean	isCaseSensitive() Returns whether name matching is case-sensitive.
boolean	matches(String string, String name) Returns a name matches another.

Method Detail

isCaseSensitive

boolean isCaseSensitive()

Returns whether name matching is case-sensitive.

matches

boolean matches(String string,
                String name)

Returns a name matches another.

Parameters:

string - Name written in code

name - Name of object we are trying to match

Returns:

Whether matches

get

<K extends List<String>,V> V get(Map<K,V> map,
                                 List<String> prefixNames,
                                 List<String> names)

Looks up an item in a map.

bestString

String bestString()

Returns the most recent match.

In the default implementation, throws UnsupportedOperationException.

field

RelDataTypeField field(RelDataType rowType,
                       String fieldName)

Finds a field with a given name, using the current case-sensitivity, returning null if not found.

Parameters:

rowType - Row type

fieldName - Field name

Returns:

Field, or null if not found