/*
* Copyright 2004-2023 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.value;
import org.h2.engine.CastDataProvider;
import org.h2.engine.SysProperties;
import org.h2.util.StringUtils;
/**
* Implementation of the CHARACTER data type.
*/
public final class ValueChar extends ValueStringBase {
private ValueChar(String value) {
super(value);
}
@Override
public int getValueType() {
return CHAR;
}
@Override
public int compareTypeSafe(Value v, CompareMode mode, CastDataProvider provider) {
return mode.compareString(convertToChar().getString(), v.convertToChar().getString(), false);
}
@Override
public StringBuilder getSQL(StringBuilder builder, int sqlFlags) {
if ((sqlFlags & NO_CASTS) == 0) {
int length = value.length();
return StringUtils.quoteStringSQL(builder.append("CAST("), value).append(" AS CHAR(")
.append(length > 0 ? length : 1).append("))");
}
return StringUtils.quoteStringSQL(builder, value);
}
/**
* Get or create a CHAR value for the given string.
*
* @param s the string
* @return the value
*/
public static ValueChar get(String s) {
ValueChar obj = new ValueChar(StringUtils.cache(s));
if (s.length() > SysProperties.OBJECT_CACHE_MAX_PER_ELEMENT_SIZE) {
return obj;
}
return (ValueChar) Value.cache(obj);
}
}