16 package com.mapd.metadata;
18 import org.apache.calcite.rel.type.RelDataType;
19 import org.apache.calcite.rel.type.RelDataTypeComparability;
20 import org.apache.calcite.rel.type.RelDataTypeFamily;
21 import org.apache.calcite.rel.type.RelDataTypeField;
22 import org.apache.calcite.rel.type.RelDataTypePrecedenceList;
23 import org.apache.calcite.rel.type.StructKind;
24 import org.apache.calcite.sql.SqlCollation;
25 import org.apache.calcite.sql.SqlIdentifier;
26 import org.apache.calcite.sql.SqlIntervalQualifier;
27 import org.apache.calcite.sql.type.SqlTypeName;
29 import java.nio.charset.Charset;
30 import java.util.ArrayList;
31 import java.util.List;
41 return new ArrayList<RelDataTypeField>();
46 return new ArrayList<String>();
56 return StructKind.NONE;
61 String fieldName,
boolean caseSensitive,
boolean elideRecord) {
137 return RelDataTypeComparability.NONE;