/**
* The token of column names.
*
* <p>This variant is most useful when the partition key is composite.
*
* @param columnNames the column names to take the token of.
* @return a string reprensenting the token of the provided column names.
*/
public static String token(String... columnNames) {
StringBuilder sb = new StringBuilder();
sb.append("token(");
Utils.joinAndAppendNames(sb, ",", Arrays.asList(columnNames));
sb.append(")");
return sb.toString();
}
/**
* The token of a column name.
*
* @param columnName the column name to take the token of.
* @return {@code "token(" + columnName + ")"}.
*/
public static String token(String columnName) {
StringBuilder sb = new StringBuilder();
sb.append("token(");
Utils.appendName(columnName, sb);
sb.append(")");
return sb.toString();
}
/**
* Quotes a columnName to make it case sensitive.
*
* @param columnName the column name to quote.
* @return the quoted column name.
*/
public static String quote(String columnName) {
StringBuilder sb = new StringBuilder();
sb.append("\"");
Utils.appendName(columnName, sb);
sb.append("\"");
return sb.toString();
}
@Override
protected String buildQueryString() {
StringBuilder builder = new StringBuilder();
builder.append("INSERT INTO ");
if (keyspace != null) Utils.appendName(keyspace, builder).append(".");
Utils.appendName(table, builder);
builder.append("(");
Utils.joinAndAppendNames(builder, ",", names);
builder.append(") VALUES (");
Utils.joinAndAppendValues(builder, ",", values);
builder.append(")");
if (!usings.usings.isEmpty()) {
builder.append(" USING ");
Utils.joinAndAppend(builder, " AND ", usings.usings);
}
return builder.toString();
}
protected String buildQueryString() {
StringBuilder builder = new StringBuilder();
builder.append("UPDATE ");
if (keyspace != null) Utils.appendName(keyspace, builder).append(".");
Utils.appendName(table, builder);
if (!usings.usings.isEmpty()) {
builder.append(" USING ");
Utils.joinAndAppend(builder, " AND ", usings.usings);
}
if (!assignments.assignments.isEmpty()) {
builder.append(" SET ");
Utils.joinAndAppend(builder, ",", assignments.assignments);
}
if (!where.clauses.isEmpty()) {
builder.append(" WHERE ");
Utils.joinAndAppend(builder, ",", where.clauses);
}
return builder.toString();
}
protected String buildQueryString() {
StringBuilder builder = new StringBuilder();
builder.append(isCounterOp() ? "BEGIN COUNTER BATCH" : "BEGIN BATCH");
if (!usings.usings.isEmpty()) {
builder.append(" USING ");
Utils.joinAndAppend(builder, " AND ", usings.usings);
}
builder.append(" ");
for (int i = 0; i < statements.size(); i++) {
String str = statements.get(i).getQueryString();
builder.append(str);
if (!str.trim().endsWith(";")) builder.append(";");
}
builder.append("APPLY BATCH;");
return builder.toString();
}