Examples with Expression org.hibernate.sql.ast.tree.expression.Expression used on opensource projects

Example 46 with Expression

use of org.hibernate.sql.ast.tree.expression.Expression in project hibernate-orm by hibernate.

the class TimestampdiffFunction method render.

@Override
public void render(SqlAppender sqlAppender, List<? extends SqlAstNode> arguments, SqlAstTranslator<?> walker) {
    final DurationUnit field = (DurationUnit) arguments.get(0);
    final Expression from = (Expression) arguments.get(1);
    final Expression to = (Expression) arguments.get(2);
    patternRenderer(field.getUnit(), from, to).render(sqlAppender, arguments, walker);
}

Example 47 with Expression

use of org.hibernate.sql.ast.tree.expression.Expression in project hibernate-orm by hibernate.

the class TrimFunction method render.

@Override
public void render(SqlAppender sqlAppender, List<? extends SqlAstNode> sqlAstArguments, SqlAstTranslator<?> walker) {
    final TrimSpec specification = ((TrimSpecification) sqlAstArguments.get(0)).getSpecification();
    final Object trimCharacter = ((Literal) sqlAstArguments.get(1)).getLiteralValue();
    final Expression sourceExpr = (Expression) sqlAstArguments.get(2);
    String trim = dialect.trimPattern(specification, (char) trimCharacter);
    new PatternRenderer(trim).render(sqlAppender, Collections.singletonList(sourceExpr), walker);
}

Example 48 with Expression

use of org.hibernate.sql.ast.tree.expression.Expression in project hibernate-orm by hibernate.

the class CompoundNaturalIdLoader method applyNaturalIdRestriction.

@Override
protected void applyNaturalIdRestriction(Object bindValue, TableGroup rootTableGroup, Consumer<Predicate> predicateConsumer, BiConsumer<JdbcParameter, JdbcParameterBinding> jdbcParameterConsumer, LoaderSqlAstCreationState sqlAstCreationState, SharedSessionContractImplementor session) {
    final SqlExpressionResolver sqlExpressionResolver = sqlAstCreationState.getSqlExpressionResolver();
    final SessionFactoryImplementor factory = session.getFactory();
    if (bindValue == null) {
        final List<SingularAttributeMapping> naturalIdAttributes = naturalIdMapping().getNaturalIdAttributes();
        for (int i = 0; i < naturalIdAttributes.size(); i++) {
            naturalIdAttributes.get(i).forEachSelectable((index, selectable) -> {
                final Expression columnRef = resolveColumnReference(rootTableGroup, selectable, sqlExpressionResolver, factory);
                predicateConsumer.accept(new NullnessPredicate(columnRef));
            });
        }
        // EARLY EXIT!!
        return;
    }
    naturalIdMapping().breakDownJdbcValues(bindValue, (jdbcValue, jdbcValueMapping) -> {
        final Expression columnReference = resolveColumnReference(rootTableGroup, jdbcValueMapping, sqlExpressionResolver, factory);
        if (jdbcValue == null) {
            predicateConsumer.accept(new NullnessPredicate(columnReference));
        } else {
            final JdbcParameter jdbcParameter = new JdbcParameterImpl(jdbcValueMapping.getJdbcMapping());
            final ComparisonPredicate predicate = new ComparisonPredicate(columnReference, ComparisonOperator.EQUAL, jdbcParameter);
            predicateConsumer.accept(predicate);
            jdbcParameterConsumer.accept(jdbcParameter, new JdbcParameterBindingImpl(jdbcValueMapping.getJdbcMapping(), jdbcValue));
        }
    }, session);
}

Example 49 with Expression

use of org.hibernate.sql.ast.tree.expression.Expression in project hibernate-orm by hibernate.

the class DomainResultCreationStateImpl method resolveSqlExpression.

// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// SqlExpressionResolver
@Override
public Expression resolveSqlExpression(String key, Function<SqlAstProcessingState, Expression> creator) {
    final ResultSetMappingSqlSelection existing = sqlSelectionMap.get(key);
    if (existing != null) {
        return existing;
    }
    final Expression created = creator.apply(this);
    if (created instanceof ResultSetMappingSqlSelection) {
        sqlSelectionMap.put(key, (ResultSetMappingSqlSelection) created);
        sqlSelectionConsumer.accept((ResultSetMappingSqlSelection) created);
    } else if (created instanceof ColumnReference) {
        final ColumnReference columnReference = (ColumnReference) created;
        final String columnExpression = columnReference.getColumnExpression();
        final int jdbcPosition = jdbcResultsMetadata.resolveColumnPosition(columnExpression);
        final int valuesArrayPosition = ResultsHelper.jdbcPositionToValuesArrayPosition(jdbcPosition);
        final ResultSetMappingSqlSelection sqlSelection = new ResultSetMappingSqlSelection(valuesArrayPosition, columnReference.getJdbcMapping());
        sqlSelectionMap.put(key, sqlSelection);
        sqlSelectionConsumer.accept(sqlSelection);
        return sqlSelection;
    }
    return created;
}

Example 50 with Expression

use of org.hibernate.sql.ast.tree.expression.Expression in project hibernate-orm by hibernate.

the class BaseSqmToSqlAstConverter method consumeSqmParameter.

protected Expression consumeSqmParameter(SqmParameter<?> sqmParameter, MappingModelExpressible<?> valueMapping, BiConsumer<Integer, JdbcParameter> jdbcParameterConsumer) {
    final List<JdbcParameter> jdbcParametersForSqm = new ArrayList<>();
    resolveSqmParameter(sqmParameter, valueMapping, (index, jdbcParameter) -> {
        jdbcParameterConsumer.accept(index, jdbcParameter);
        jdbcParametersForSqm.add(jdbcParameter);
    });
    this.jdbcParameters.addParameters(jdbcParametersForSqm);
    this.jdbcParamsBySqmParam.computeIfAbsent(sqmParameter, k -> new ArrayList<>(1)).add(jdbcParametersForSqm);
    final QueryParameterImplementor<?> queryParameter = domainParameterXref.getQueryParameter(sqmParameter);
    final QueryParameterBinding binding = domainParameterBindings.getBinding(queryParameter);
    if (binding.setType(valueMapping)) {
        replaceJdbcParametersType(sqmParameter, domainParameterXref.getSqmParameters(queryParameter), valueMapping);
    }
    return new SqmParameterInterpretation(sqmParameter, queryParameter, jdbcParametersForSqm, valueMapping, qp -> binding);
}