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

Example 1 with ColumnReference

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

the class EmbeddedCollectionPart method toSqlExpression.

@Override
public SqlTuple toSqlExpression(TableGroup tableGroup, Clause clause, SqmToSqlAstConverter walker, SqlAstCreationState sqlAstCreationState) {
    final SqlExpressionResolver sqlExpressionResolver = sqlAstCreationState.getSqlExpressionResolver();
    final List<Expression> expressions = new ArrayList<>();
    getEmbeddableTypeDescriptor().forEachSelectable((columnIndex, selection) -> {
        assert containingTableExpression.equals(selection.getContainingTableExpression());
        final TableReference tableReference = tableGroup.resolveTableReference(tableGroup.getNavigablePath().append(getNavigableRole().getNavigableName()), selection.getContainingTableExpression());
        expressions.add(sqlExpressionResolver.resolveSqlExpression(SqlExpressionResolver.createColumnReferenceKey(tableReference, selection.getSelectionExpression()), sqlAstProcessingState -> new ColumnReference(tableReference, selection, sqlAstCreationState.getCreationContext().getSessionFactory())));
    });
    return new SqlTuple(expressions, this);
}

Example 2 with ColumnReference

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

the class EmbeddedForeignKeyDescriptor method isSimpleJoinPredicate.

@Override
public boolean isSimpleJoinPredicate(Predicate predicate) {
    if (!(predicate instanceof Junction)) {
        return false;
    }
    final Junction junction = (Junction) predicate;
    if (junction.getNature() != Junction.Nature.CONJUNCTION) {
        return false;
    }
    final List<Predicate> predicates = junction.getPredicates();
    if (predicates.size() != keySelectableMappings.getJdbcTypeCount()) {
        return false;
    }
    Boolean lhsIsKey = null;
    for (int i = 0; i < predicates.size(); i++) {
        final Predicate p = predicates.get(i);
        if (!(p instanceof ComparisonPredicate)) {
            return false;
        }
        final ComparisonPredicate comparisonPredicate = (ComparisonPredicate) p;
        if (comparisonPredicate.getOperator() != ComparisonOperator.EQUAL) {
            return false;
        }
        final Expression lhsExpr = comparisonPredicate.getLeftHandExpression();
        final Expression rhsExpr = comparisonPredicate.getRightHandExpression();
        if (!(lhsExpr instanceof ColumnReference) || !(rhsExpr instanceof ColumnReference)) {
            return false;
        }
        final ColumnReference lhs = (ColumnReference) lhsExpr;
        final ColumnReference rhs = (ColumnReference) rhsExpr;
        if (lhsIsKey == null) {
            final String keyExpression = keySelectableMappings.getSelectable(i).getSelectionExpression();
            final String targetExpression = targetSelectableMappings.getSelectable(i).getSelectionExpression();
            if (keyExpression.equals(targetExpression)) {
                if (!lhs.getColumnExpression().equals(keyExpression) || !rhs.getColumnExpression().equals(keyExpression)) {
                    return false;
                }
            } else {
                if (keyExpression.equals(lhs.getColumnExpression())) {
                    if (!targetExpression.equals(rhs.getColumnExpression())) {
                        return false;
                    }
                    lhsIsKey = true;
                } else if (keyExpression.equals(rhs.getColumnExpression())) {
                    if (!targetExpression.equals(lhs.getColumnExpression())) {
                        return false;
                    }
                    lhsIsKey = false;
                } else {
                    return false;
                }
            }
        } else {
            final String lhsSelectionExpression;
            final String rhsSelectionExpression;
            if (lhsIsKey) {
                lhsSelectionExpression = keySelectableMappings.getSelectable(i).getSelectionExpression();
                rhsSelectionExpression = targetSelectableMappings.getSelectable(i).getSelectionExpression();
            } else {
                lhsSelectionExpression = targetSelectableMappings.getSelectable(i).getSelectionExpression();
                rhsSelectionExpression = keySelectableMappings.getSelectable(i).getSelectionExpression();
            }
            if (!lhs.getColumnExpression().equals(lhsSelectionExpression) || !rhs.getColumnExpression().equals(rhsSelectionExpression)) {
                return false;
            }
        }
    }
    return true;
}

Example 3 with ColumnReference

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

the class EntityVersionMappingImpl method resolveSqlSelection.

private SqlSelection resolveSqlSelection(TableGroup tableGroup, DomainResultCreationState creationState) {
    final SqlAstCreationState sqlAstCreationState = creationState.getSqlAstCreationState();
    final SqlExpressionResolver sqlExpressionResolver = sqlAstCreationState.getSqlExpressionResolver();
    final TableReference columnTableReference = tableGroup.resolveTableReference(tableGroup.getNavigablePath().append(getNavigableRole().getNavigableName()), columnTableExpression);
    return sqlExpressionResolver.resolveSqlSelection(sqlExpressionResolver.resolveSqlExpression(SqlExpressionResolver.createColumnReferenceKey(columnTableReference, columnExpression), sqlAstProcessingState -> new ColumnReference(columnTableReference, columnExpression, false, null, null, versionBasicType, sqlAstCreationState.getCreationContext().getSessionFactory())), versionBasicType.getJdbcMapping().getJavaTypeDescriptor(), sqlAstCreationState.getCreationContext().getSessionFactory().getTypeConfiguration());
}

Example 4 with ColumnReference

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

the class EntityVersionMappingImpl method generateFetch.

@Override
public Fetch generateFetch(FetchParent fetchParent, NavigablePath fetchablePath, FetchTiming fetchTiming, boolean selected, String resultVariable, DomainResultCreationState creationState) {
    final SqlAstCreationState sqlAstCreationState = creationState.getSqlAstCreationState();
    final TableGroup tableGroup = sqlAstCreationState.getFromClauseAccess().findTableGroup(fetchParent.getNavigablePath());
    final SqlExpressionResolver sqlExpressionResolver = sqlAstCreationState.getSqlExpressionResolver();
    final TableReference columnTableReference = tableGroup.resolveTableReference(fetchablePath, columnTableExpression);
    final SqlSelection sqlSelection = sqlExpressionResolver.resolveSqlSelection(sqlExpressionResolver.resolveSqlExpression(SqlExpressionResolver.createColumnReferenceKey(columnTableReference, columnExpression), sqlAstProcessingState -> new ColumnReference(columnTableReference, columnExpression, false, null, null, versionBasicType, sqlAstCreationState.getCreationContext().getSessionFactory())), versionBasicType.getJdbcMapping().getJavaTypeDescriptor(), sqlAstCreationState.getCreationContext().getSessionFactory().getTypeConfiguration());
    return new BasicFetch<>(sqlSelection.getValuesArrayPosition(), fetchParent, fetchablePath, this, null, fetchTiming, creationState);
}

Example 5 with ColumnReference

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

the class ExplicitColumnDiscriminatorMappingImpl method resolveSqlExpression.

@Override
public Expression resolveSqlExpression(NavigablePath navigablePath, JdbcMapping jdbcMappingToUse, TableGroup tableGroup, SqlAstCreationState creationState) {
    final SqlExpressionResolver expressionResolver = creationState.getSqlExpressionResolver();
    final TableReference tableReference = tableGroup.resolveTableReference(navigablePath, tableExpression);
    final String selectionExpression = getSelectionExpression();
    return expressionResolver.resolveSqlExpression(createColumnReferenceKey(tableReference, selectionExpression), sqlAstProcessingState -> new ColumnReference(tableReference, selectionExpression, columnFormula != null, null, null, jdbcMappingToUse, getSessionFactory()));
}