use of org.hibernate.dialect.function.DerbyLpadEmulation in project hibernate-orm by hibernate.
the class DerbyDialect method initializeFunctionRegistry.
@Override
public void initializeFunctionRegistry(QueryEngine queryEngine) {
super.initializeFunctionRegistry(queryEngine);
final BasicTypeRegistry basicTypeRegistry = queryEngine.getTypeConfiguration().getBasicTypeRegistry();
final BasicType<String> stringType = basicTypeRegistry.resolve(StandardBasicTypes.STRING);
CommonFunctionFactory functionFactory = new CommonFunctionFactory(queryEngine);
// Derby needs an actual argument type for aggregates like SUM, AVG, MIN, MAX to determine the result type
functionFactory.aggregates(this, SqlAstNodeRenderingMode.NO_PLAIN_PARAMETER);
queryEngine.getSqmFunctionRegistry().register("count", new CountFunction(this, queryEngine.getTypeConfiguration(), SqlAstNodeRenderingMode.NO_PLAIN_PARAMETER, "||", getCastTypeName(stringType, null, null, null), true));
// AVG by default uses the input type, so we possibly need to cast the argument type, hence a special function
functionFactory.avg_castingNonDoubleArguments(this, SqlAstNodeRenderingMode.DEFAULT);
functionFactory.concat_pipeOperator();
functionFactory.cot();
functionFactory.chr_char();
functionFactory.degrees();
functionFactory.radians();
functionFactory.log10();
functionFactory.sinh();
functionFactory.cosh();
functionFactory.tanh();
functionFactory.pi();
functionFactory.rand();
functionFactory.trim1();
functionFactory.hourMinuteSecond();
functionFactory.yearMonthDay();
functionFactory.varPopSamp();
functionFactory.stddevPopSamp();
functionFactory.substring_substr();
functionFactory.leftRight_substrLength();
functionFactory.characterLength_length(SqlAstNodeRenderingMode.NO_PLAIN_PARAMETER);
functionFactory.power_expLn();
functionFactory.round_floor();
functionFactory.bitLength_pattern("length(?1)*8");
queryEngine.getSqmFunctionRegistry().register("concat", new CastingConcatFunction(this, "||", true, SqlAstNodeRenderingMode.NO_PLAIN_PARAMETER, queryEngine.getTypeConfiguration()));
// no way I can see to pad with anything other than spaces
queryEngine.getSqmFunctionRegistry().register("lpad", new DerbyLpadEmulation(queryEngine.getTypeConfiguration()));
queryEngine.getSqmFunctionRegistry().register("rpad", new DerbyRpadEmulation(queryEngine.getTypeConfiguration()));
queryEngine.getSqmFunctionRegistry().register("least", new CaseLeastGreatestEmulation(true));
queryEngine.getSqmFunctionRegistry().register("greatest", new CaseLeastGreatestEmulation(false));
queryEngine.getSqmFunctionRegistry().register("overlay", new InsertSubstringOverlayEmulation(queryEngine.getTypeConfiguration(), true));
}
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