Package com.foundationdb.server.types.texpressions

Examples of com.foundationdb.server.types.texpressions.TCastExpression

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                TClass inputTClass = expression.resultType().typeClass();
                TClass targetTClass = target.typeClass();
                if (targetTClass.equals(inputTClass))
                    return expression;
                TCast cast = casts.cast(inputTClass, targetTClass);
                return new TCastExpression(expression, cast, target);
            }
        };
    }
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            TValidatedScalar overload = registry.getScalarsResolver().get(functionName, input).getOverload();
            TInstance functionType = overload.resultStrategy().fixed(column.getNullable());
            TPreparedExpression expr = new TPreparedFunction(overload, functionType, arguments);
            if (!functionType.equals(columnType)) {
                TCast tcast = registry.getCastsResolver().cast(functionType.typeClass(), columnType.typeClass());
                expr = new TCastExpression(expr, tcast, columnType);
            }
            TEvaluatableExpression eval = expr.build();
            eval.with(queryContext);
            expressions[fi] = eval;
        }
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            int pos = column.getPosition();
            row[pos] = insertExprs.get(i);
            if(!type.equals(row[pos].resultType())) {
                TCast tcast = registryService().getCastsResolver().cast(row[pos].resultType().typeClass(),
                                                                        type.typeClass());
                row[pos] = new TCastExpression(row[pos], tcast, type);
            }
        }
        // Fill in column defaults
        for(int i = 0, len = targetRowType.nFields(); i < len; ++i) {
            Column column = table.getColumnsIncludingInternal().get(i);
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                updates[index] =  new TPreparedParameter(paramIndex, varchar);
               
                if (!column.getType().equals(varchar)) {
                    TCast cast = registryService().getCastsResolver().cast(varchar.typeClass(),
                            column.getType().typeClass());
                    updates[index] = new TCastExpression(updates[index], cast, column.getType());
                }
                paramIndex++;
            }
            index++;
        }
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                row[pos] = insertsP.get(i);
               
                if (!type.equals(row[pos].resultType())) {
                    TypesRegistryService registry = rulesContext.getTypesRegistry();
                    TCast tcast = registry.getCastsResolver().cast(type.typeClass(), row[pos].resultType().typeClass());
                    row[pos] = new TCastExpression(row[pos], tcast, type);
                }
            }
            // Fill in column default values
            for (int i = 0, len = targetRowType.nFields(); i < len; ++i) {
                Column column = table.getColumnsIncludingInternal().get(i);
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                TPreparedExpression defExpr = new TPreparedFunction(overload,
                                                                    dinst,
                                                                    Collections.<TPreparedExpression>emptyList());
                if (!dinst.equals(type)) {
                    TCast tcast = typesService.getCastsResolver().cast(dinst.typeClass(), type.typeClass());
                    defExpr = new TCastExpression(defExpr, tcast, type);
                }
                expression = defExpr;
            }
            else {
                final String defaultValue = column.getDefaultValue();
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            // Do type conversion.
            TCast tcast = registryService.getCastsResolver().cast(sourceInstance, toType);
            if (tcast == null) {
                throw new NoSuchCastException(sourceInstance, toType);
            }
            expr = new TCastExpression(expr, tcast, toType);
        }
        return expr;
    }
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                Column oldCol = origTable.getColumnsIncludingInternal().get(oldPosition);
                TInstance oldInst = oldCol.getType();
                TPreparedExpression pExp = new TPreparedField(oldInst, oldPosition);
                if(!oldInst.equalsExcludingNullable(newInst)) {
                    TCast cast = typesRegistry.getCastsResolver().cast(oldInst.typeClass(), newInst.typeClass());
                    pExp = new TCastExpression(pExp, cast, newInst);
                }
                projections.add(pExp);
            }
        }
        return new ProjectedTableRowType(newRowType.schema(), newTable, projections, !isGroupChange);
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Related Classes of com.foundationdb.server.types.texpressions.TCastExpression

  • com.foundationdb.server.explain.std.TExpressionExplainer
  • com.foundationdb.server.service.externaldata.RowReader
  • com.foundationdb.server.service.restdml.InsertGenerator
  • com.foundationdb.server.service.restdml.UpdateGenerator
  • com.foundationdb.server.store.OnlineHelper
  • com.foundationdb.server.test.ExpressionGenerators
  • com.foundationdb.server.types.TExecutionContext
  • com.foundationdb.server.types.TPreptimeValue
  • com.foundationdb.server.types.value.Value
  • com.foundationdb.server.types.value.ValueSource
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