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package com.transferwise.tasks.helpers.sql;
/**
* Provides useful methods for working with plain sql queries.
*/
public final class SqlHelper {
public static final String PARAMETERS_PLACEHOLDER = "??";
/**
* Replaces {@code ??} with a number of {@code ?} equal to {@code count}.
*/
public static String expandParametersList(String sql, int count) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < count; i++) {
sb.append("?");
if (i + 1 < count) {
sb.append(",");
}
}
return sql.replace(PARAMETERS_PLACEHOLDER, sb.toString());
}
}