@Override
public boolean isFunction(final String string) {
if (string.endsWith("()")) {
return true;
}
for (DatabaseFunction function : getDateFunctions()) {
if (function.toString().equalsIgnoreCase(string)) {
return true;
}
}
return false;
}
@Override
public String generateDatabaseFunctionValue(DatabaseFunction databaseFunction) {
if (databaseFunction != null
&& databaseFunction.toString().equalsIgnoreCase("current_timestamp")) {
return databaseFunction.toString();
}
if (databaseFunction instanceof SequenceNextValueFunction
|| databaseFunction instanceof SequenceCurrentValueFunction) {
String quotedSeq = super.generateDatabaseFunctionValue(databaseFunction);
// replace "myschema.my_seq".nextval with "myschema"."my_seq".nextval
return quotedSeq.replaceFirst("\"([^\\.\"]*)\\.([^\\.\"]*)\"", "\"$1\".\"$2\"");
}
return super.generateDatabaseFunctionValue(databaseFunction);
}
@Override
public String generateDatabaseFunctionValue(final DatabaseFunction databaseFunction) {
if (databaseFunction.getValue() == null) {
return null;
}
if (isCurrentTimeFunction(databaseFunction.getValue().toLowerCase())) {
return getCurrentDateTimeFunction();
} else if (databaseFunction instanceof SequenceNextValueFunction) {
if (sequenceNextValueFunction == null) {
throw new RuntimeException(
String.format(
"next value function for a sequence is not configured for database %s",
getDefaultDatabaseProductName()));
}
String sequenceName = databaseFunction.getValue();
if (!sequenceNextValueFunction.contains("'")) {
sequenceName = escapeObjectName(sequenceName, Sequence.class);
}
return String.format(sequenceNextValueFunction, sequenceName);
} else if (databaseFunction instanceof SequenceCurrentValueFunction) {
if (sequenceCurrentValueFunction == null) {
throw new RuntimeException(
String.format(
"current value function for a sequence is not configured for database %s",
getDefaultDatabaseProductName()));
}
String sequenceName = databaseFunction.getValue();
if (!sequenceCurrentValueFunction.contains("'")) {
sequenceName = escapeObjectName(sequenceName, Sequence.class);
}
return String.format(sequenceCurrentValueFunction, sequenceName);
} else {
return databaseFunction.getValue();
}
}
