@Override
	RecordIterator getSymbolsByName(String name) throws IOException {
		StringField field = new StringField(name);
		return symbolTable.indexIterator(SYMBOL_NAME_COL, field, field, true);
	}
SymbolDatabaseAdapter for version 3

This version added additional sparse columns to store optional data specific to certain
symbol types.  The adhoc string data column was eliminated.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/symbol/SymbolDatabaseAdapterV4.java