org.jooq.impl.AbstractRoutine Maven / Gradle / Ivy
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
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*/
package org.jooq.impl;
import static java.lang.Boolean.TRUE;
import static java.util.Arrays.asList;
import static org.jooq.Clause.FIELD;
import static org.jooq.Clause.FIELD_FUNCTION;
import static org.jooq.SQLDialect.FIREBIRD;
// ...
import static org.jooq.SQLDialect.POSTGRES;
// ...
import static org.jooq.XMLFormat.RecordFormat.COLUMN_NAME_ELEMENTS;
import static org.jooq.conf.ThrowExceptions.THROW_NONE;
import static org.jooq.impl.DSL.field;
import static org.jooq.impl.DSL.function;
import static org.jooq.impl.DSL.inline;
import static org.jooq.impl.DSL.name;
import static org.jooq.impl.DSL.sql;
import static org.jooq.impl.DSL.table;
import static org.jooq.impl.DSL.using;
import static org.jooq.impl.DSL.val;
import static org.jooq.impl.Keywords.K_BEGIN;
import static org.jooq.impl.Keywords.K_BOOLEAN;
import static org.jooq.impl.Keywords.K_CASE;
import static org.jooq.impl.Keywords.K_COLUMNS;
import static org.jooq.impl.Keywords.K_DECLARE;
import static org.jooq.impl.Keywords.K_ELSE;
import static org.jooq.impl.Keywords.K_END;
import static org.jooq.impl.Keywords.K_FALSE;
import static org.jooq.impl.Keywords.K_FOR;
import static org.jooq.impl.Keywords.K_FROM;
import static org.jooq.impl.Keywords.K_IS;
import static org.jooq.impl.Keywords.K_NULL;
import static org.jooq.impl.Keywords.K_OPEN;
import static org.jooq.impl.Keywords.K_PASSING;
import static org.jooq.impl.Keywords.K_RECORD;
import static org.jooq.impl.Keywords.K_SELECT;
import static org.jooq.impl.Keywords.K_THEN;
import static org.jooq.impl.Keywords.K_TRUE;
import static org.jooq.impl.Keywords.K_TYPE;
import static org.jooq.impl.Keywords.K_WHEN;
import static org.jooq.impl.Keywords.K_XMLTABLE;
import static org.jooq.impl.Tools.EMPTY_FIELD;
import static org.jooq.impl.Tools.EMPTY_STRING;
import static org.jooq.impl.Tools.executeStatementAndGetFirstResultSet;
import static org.jooq.impl.Tools.settings;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.jooq.AggregateFunction;
// ...
import org.jooq.BindContext;
import org.jooq.Binding;
import org.jooq.Catalog;
import org.jooq.Clause;
import org.jooq.Configuration;
import org.jooq.Context;
import org.jooq.Converter;
import org.jooq.DSLContext;
import org.jooq.DataType;
import org.jooq.ExecuteContext;
import org.jooq.ExecuteListener;
import org.jooq.Field;
import org.jooq.Name;
import org.jooq.Package;
import org.jooq.Param;
import org.jooq.Parameter;
import org.jooq.QueryPart;
import org.jooq.Record;
import org.jooq.RenderContext;
import org.jooq.Result;
import org.jooq.Results;
import org.jooq.Routine;
import org.jooq.SQLDialect;
import org.jooq.Schema;
import org.jooq.UDT;
import org.jooq.UDTField;
import org.jooq.UDTRecord;
import org.jooq.XMLFormat;
import org.jooq.exception.ControlFlowSignal;
import org.jooq.exception.MappingException;
import org.jooq.impl.ResultsImpl.ResultOrRowsImpl;
import org.jooq.tools.Convert;
import org.jooq.tools.reflect.Reflect;
/**
* A common base class for stored procedures
*
* This type is for JOOQ INTERNAL USE only. Do not reference directly
*
* @author Lukas Eder
*/
public abstract class AbstractRoutine extends AbstractQueryPart implements Routine {
/**
* Generated UID
*/
private static final long serialVersionUID = 6330037113167106443L;
private static final Clause[] CLAUSES = { FIELD, FIELD_FUNCTION };
// ------------------------------------------------------------------------
// Meta-data attributes (the same for every call)
// ------------------------------------------------------------------------
private final Schema schema;
private final Package pkg;
private final String name;
private final List> allParameters;
private final List> inParameters;
private final List> outParameters;
private final DataType type;
private Parameter returnParameter;
private ResultsImpl results;
private boolean overloaded;
private boolean hasUnnamedParameters;
// ------------------------------------------------------------------------
// Call-data attributes (call-specific)
// ------------------------------------------------------------------------
private final Map, Field> inValues;
private final Set> inValuesDefaulted;
private final Set> inValuesNonDefaulted;
private transient Field function;
private Configuration configuration;
private final Map, Object> outValues;
private final Map, Integer> resultIndexes;
// ------------------------------------------------------------------------
// Constructors
// ------------------------------------------------------------------------
protected AbstractRoutine(String name, Schema schema) {
this(name, schema, null, null, null, null);
}
protected AbstractRoutine(String name, Schema schema, Package pkg) {
this(name, schema, pkg, null, null, null);
}
protected AbstractRoutine(String name, Schema schema, DataType type) {
this(name, schema, null, type, null, null);
}
protected AbstractRoutine(String name, Schema schema, DataType type, Converter converter) {
this(name, schema, null, type, converter, null);
}
protected AbstractRoutine(String name, Schema schema, DataType type, Binding binding) {
this(name, schema, null, type, null, binding);
}
protected AbstractRoutine(String name, Schema schema, DataType type, Converter converter, Binding binding) {
this(name, schema, null, type, converter, binding);
}
protected AbstractRoutine(String name, Schema schema, Package pkg, DataType type) {
this(name, schema, pkg, type, null, null);
}
protected AbstractRoutine(String name, Schema schema, Package pkg, DataType type, Converter converter) {
this(name, schema, pkg, type, converter, null);
}
protected AbstractRoutine(String name, Schema schema, Package pkg, DataType type, Binding binding) {
this(name, schema, pkg, type, null, binding);
}
@SuppressWarnings({ "unchecked", "rawtypes" })
protected AbstractRoutine(String name, Schema schema, Package pkg, DataType type, Converter converter, Binding binding) {
this.resultIndexes = new HashMap, Integer>();
this.schema = schema;
this.pkg = pkg;
this.name = name;
this.allParameters = new ArrayList>();
this.inParameters = new ArrayList>();
this.outParameters = new ArrayList>();
this.results = new ResultsImpl(null);
this.inValues = new HashMap, Field>();
this.inValuesDefaulted = new HashSet>();
this.inValuesNonDefaulted = new HashSet>();
this.outValues = new HashMap, Object>();
this.type = converter == null && binding == null
? (DataType) type
: type.asConvertedDataType(DefaultBinding.newBinding((Converter) converter, type, binding));
}
// ------------------------------------------------------------------------
// Initialise a routine call
// ------------------------------------------------------------------------
protected final void setNumber(Parameter parameter, Number value) {
setValue(parameter, Convert.convert(value, parameter.getType()));
}
protected final void setNumber(Parameter parameter, Field value) {
setField(parameter, value);
}
@Override
public final void setValue(Parameter parameter, Z value) {
set(parameter, value);
}
@Override
public final void set(Parameter parameter, Z value) {
setField(parameter, val(value, parameter.getDataType()));
}
/*
* #326 - Avoid overloading setValue()
*/
protected final void setField(Parameter parameter, Field value) {
// Be sure null is correctly represented as a null field
if (value == null) {
setField(parameter, val(null, parameter.getDataType()));
}
// [#1183] [#3533] Add the field to the in-values and mark them as non-defaulted
else {
inValues.put(parameter, value);
inValuesDefaulted.remove(parameter);
inValuesNonDefaulted.add(parameter);
}
}
// ------------------------------------------------------------------------
// Call the routine
// ------------------------------------------------------------------------
@Override
public final void attach(Configuration c) {
configuration = c;
}
@Override
public final void detach() {
attach(null);
}
@Override
public final Configuration configuration() {
return configuration;
}
@Override
public final int execute(Configuration c) {
// Ensure that all depending Attachables are attached
Configuration previous = configuration();
try {
attach(c);
return execute();
}
finally {
attach(previous);
}
}
@Override
public final int execute() {
SQLDialect family = configuration.family();
results.clear();
outValues.clear();
// [#4254] In PostgreSQL, there are only functions, no procedures. Some
// functions cannot be called using a CallableStatement, e.g. those with
// DEFAULT parameters
if (family == POSTGRES) {
return executeSelectFromPOSTGRES();
}
// Procedures (no return value) are always executed as CallableStatement
else if (type == null) {
return executeCallableStatement();
}
else {
switch (family) {
// [#852] Some RDBMS don't allow for using JDBC procedure escape
// syntax for functions. Select functions from DUAL instead
case HSQLDB:
// [#692] HSQLDB cannot SELECT f() FROM [...] when f()
// returns a cursor. Instead, SELECT * FROM table(f()) works
if (SQLDataType.RESULT.equals(type.getSQLDataType())) {
return executeSelectFromHSQLDB();
}
// Fall through
else {
}
case H2:
return executeSelect();
// [#773] If JDBC escape syntax is available for functions, use
// it to prevent transactional issues when functions issue
// DML statements
default:
return executeCallableStatement();
}
}
}
private final int executeSelectFromHSQLDB() {
DSLContext create = create(configuration);
Result result = create.selectFrom(table(asField())).fetch();
outValues.put(returnParameter, result);
return 0;
}
private final int executeSelectFromPOSTGRES() {
DSLContext create = create(configuration);
List> fields = new ArrayList>();
if (returnParameter != null)
fields.add(DSL.field(DSL.name(getName()), returnParameter.getDataType()));
for (Parameter p : outParameters)
fields.add(DSL.field(DSL.name(p.getName()), p.getDataType()));
Result result = create.select(fields).from("{0}", asField()).fetch();
int i = 0;
if (returnParameter != null)
outValues.put(returnParameter, returnParameter.getDataType().convert(result.getValue(0, i++)));
for (Parameter p : outParameters)
outValues.put(p, p.getDataType().convert(result.getValue(0, i++)));
return 0;
}
private final int executeSelect() {
final Field field = asField();
outValues.put(returnParameter, create(configuration).select(field).fetchOne(field));
return 0;
}
private final int executeCallableStatement() {
ExecuteContext ctx = new DefaultExecuteContext(configuration, this);
ExecuteListener listener = ExecuteListeners.get(ctx);
try {
Connection connection = ctx.connection();
listener.renderStart(ctx);
// [#1520] TODO: Should the number of bind values be checked, here?
ctx.sql(create(configuration).render(this));
listener.renderEnd(ctx);
listener.prepareStart(ctx);
ctx.statement(connection.prepareCall(ctx.sql()));
// [#1856] TODO: Add Statement flags like timeout here
listener.prepareEnd(ctx);
listener.bindStart(ctx);
using(configuration).bindContext(ctx.statement()).visit(this);
registerOutParameters(ctx);
listener.bindEnd(ctx);
SQLException e = execute0(ctx, listener);
// [#2925] Jaybird currently doesn't like fetching OUT parameters and consuming ResultSets
// http://tracker.firebirdsql.org/browse/JDBC-350
if (ctx.family() != FIREBIRD)
Tools.consumeResultSets(ctx, listener, results, null, e);
listener.outStart(ctx);
fetchOutParameters(ctx);
listener.outEnd(ctx);
return 0;
}
// [#3427] ControlFlowSignals must not be passed on to ExecuteListners
catch (ControlFlowSignal e) {
throw e;
}
catch (RuntimeException e) {
ctx.exception(e);
listener.exception(ctx);
throw ctx.exception();
}
catch (SQLException e) {
ctx.sqlException(e);
listener.exception(ctx);
throw ctx.exception();
}
finally {
Tools.safeClose(listener, ctx);
}
}
private final SQLException execute0(ExecuteContext ctx, ExecuteListener listener) throws SQLException {
listener.executeStart(ctx);
SQLException e = executeStatementAndGetFirstResultSet(ctx, 0);
listener.executeEnd(ctx);
if (e != null)
results.resultsOrRows().add(new ResultOrRowsImpl(Tools.translate(ctx.sql(), e)));
return e;
}
@Override
public final Clause[] clauses(Context ctx) {
return CLAUSES;
}
@Override
public void accept(Context ctx) {
if (ctx instanceof RenderContext)
toSQL0((RenderContext) ctx);
else
bind0((BindContext) ctx);
}
final void bind0(BindContext context) {
for (Parameter parameter : getParameters()) {
// [#1183] [#3533] Skip defaulted parameters
if (getInParameters().contains(parameter) && inValuesDefaulted.contains(parameter))
continue;
bind1(context, parameter, getInValues().get(parameter) != null, resultParameter(parameter));
}
}
private final void bind1(BindContext context, Parameter parameter, boolean bindAsIn, boolean bindAsOut) {
int index = context.peekIndex();
if (bindAsOut) {
resultIndexes.put(parameter, index);
}
if (bindAsIn) {
context.visit(getInValues().get(parameter));
// [#391] This happens when null literals are used as IN/OUT
// parameters. They're not bound as in value, but they need to
// be registered as OUT parameter
if (index == context.peekIndex() && bindAsOut)
context.nextIndex();
}
// Skip one index for OUT parameters
else {
context.nextIndex();
}
}
final void toSQL0(RenderContext context) {
toSQLDeclare(context);
toSQLBegin(context);
if (getReturnParameter() != null)
toSQLAssign(context);
toSQLCall(context);
context.sql('(');
String separator = "";
List> parameters = getParameters();
Map> indexes = new LinkedHashMap>();
for (int i = 0; i < parameters.size(); i++) {
Parameter parameter = parameters.get(i);
// The return value has already been written
if (parameter.equals(getReturnParameter()))
continue;
// [#1183] [#3533] Omit defaulted parameters
else if (inValuesDefaulted.contains(parameter))
continue;
// Ordinary IN, INOUT, and OUT parameters
else
indexes.put(i, parameter);
}
boolean indent = false;
if (indent)
context.formatIndentStart()
.formatNewLine();
int i = 0;
for (Entry> entry : indexes.entrySet()) {
Parameter parameter = entry.getValue();
int index = entry.getKey();
context.sql(separator);
if (indent && i++ > 0)
context.formatNewLine();
// OUT and IN OUT parameters are always written as a '?' bind variable
if (getOutParameters().contains(parameter))
toSQLOutParam(context, parameter, index);
// IN parameters are rendered normally
else
toSQLInParam(context, parameter, index, getInValues().get(parameter));
separator = ", ";
}
if (indent)
context.formatIndentEnd().formatNewLine();
context.sql(')');
toSQLEnd(context);
}
private final void toSQLEnd(RenderContext context) {
{
context.sql(" }");
}
}
private final void toSQLDeclare(RenderContext context) {
}
private final void toSQLBegin(RenderContext context) {
{
context.sql("{ ");
}
}
private final void toSQLAssign(RenderContext context) {
{
context.sql("? = ");
}
}
private final void toSQLCall(RenderContext context) {
{
context.sql("call ");
}
toSQLQualifiedName(context);
}
private final void toSQLOutParam(RenderContext context, Parameter parameter, int index) {
context.sql('?');
}
private final void toSQLInParam(RenderContext context, Parameter parameter, int index, Field value) {
context.visit(value);
}
private final void toSQLQualifiedName(RenderContext context) {
Schema mappedSchema = Tools.getMappedSchema(context.configuration(), getSchema());
if (context.qualify()) {
if (mappedSchema != null) {
context.visit(mappedSchema);
context.sql('.');
}
if (getPackage() != null) {
context.visit(DSL.name(getPackage().getName()));
context.sql('.');
}
}
context.literal(getName());
}
private final void fetchOutParameters(ExecuteContext ctx) throws SQLException {
for (Parameter parameter : getParameters())
if (resultParameter(parameter))
try {
fetchOutParameter(ctx, parameter);
}
catch (SQLException e) {
// [#6413] There may be prior exceptions that weren't propagated, in case of which
// we should ignore any exceptions arising from fetching OUT parameters
if (ctx.settings().getThrowExceptions() != THROW_NONE)
throw e;
}
}
private final void fetchOutParameter(ExecuteContext ctx, Parameter parameter) throws SQLException {
{
DefaultBindingGetStatementContext out = new DefaultBindingGetStatementContext(
ctx.configuration(),
ctx.data(),
(CallableStatement) ctx.statement(),
resultIndexes.get(parameter)
);
parameter.getBinding().get(out);
outValues.put(parameter, out.value());
}
}
private final void registerOutParameters(ExecuteContext ctx) throws SQLException {
Configuration c = ctx.configuration();
Map data = ctx.data();
CallableStatement statement = (CallableStatement) ctx.statement();
// Register all out / inout parameters according to their position
// Note that some RDBMS do not support binding by name very well
for (Parameter parameter : getParameters())
if (resultParameter(parameter))
registerOutParameter(c, data, statement, parameter);
}
private final void registerOutParameter(Configuration c, Map data, CallableStatement statement, Parameter parameter) throws SQLException {
parameter.getBinding().register(new DefaultBindingRegisterContext(c, data, statement, resultIndexes.get(parameter)));
}
// ------------------------------------------------------------------------
// Fetch routine results
// ------------------------------------------------------------------------
@Override
public final T getReturnValue() {
if (returnParameter != null)
return getValue(returnParameter);
return null;
}
@Override
public final Results getResults() {
return results;
}
@Override
public final Z getValue(Parameter parameter) {
return get(parameter);
}
@Override
@SuppressWarnings("unchecked")
public final Z get(Parameter parameter) {
return (Z) outValues.get(parameter);
}
protected final Map, Field> getInValues() {
return inValues;
}
// ------------------------------------------------------------------------
// Access to routine configuration objects
// ------------------------------------------------------------------------
@Override
public final List> getOutParameters() {
return Collections.unmodifiableList(outParameters);
}
@Override
public final List> getInParameters() {
return Collections.unmodifiableList(inParameters);
}
@Override
public final List> getParameters() {
return Collections.unmodifiableList(allParameters);
}
@Override
public final Catalog getCatalog() {
return getSchema() == null ? null : getSchema().getCatalog();
}
@Override
public final Schema getSchema() {
return schema;
}
@Override
public final Package getPackage() {
return pkg;
}
@Override
public final String getName() {
return name;
}
@Override
public final Parameter getReturnParameter() {
return returnParameter;
}
protected final void setOverloaded(boolean overloaded) {
this.overloaded = overloaded;
}
protected final boolean isOverloaded() {
return overloaded;
}
private final boolean pgArgNeedsCasting(Parameter parameter) {
// [#5264] Overloaded methods always need casting for overload resolution
// Some data types also need casting because expressions are automatically promoted to a "higher" type
return isOverloaded() || asList(Byte.class, Short.class).contains(parameter.getType());
}
private final boolean hasUnnamedParameters() {
return hasUnnamedParameters;
}
private final void addParameter(Parameter parameter) {
allParameters.add(parameter);
hasUnnamedParameters |= parameter.isUnnamed();
}
private final boolean resultParameter(Parameter parameter) {
return parameter.equals(getReturnParameter()) || getOutParameters().contains(parameter);
}
protected final void addInParameter(Parameter parameter) {
addParameter(parameter);
inParameters.add(parameter);
// IN parameters are initialised with null by default
inValues.put(parameter, val(null, parameter.getDataType()));
// [#1183] [#3533] defaulted parameters are marked as such
if (parameter.isDefaulted())
inValuesDefaulted.add(parameter);
else
inValuesNonDefaulted.add(parameter);
}
protected final void addInOutParameter(Parameter parameter) {
addInParameter(parameter);
outParameters.add(parameter);
}
protected final void addOutParameter(Parameter parameter) {
addParameter(parameter);
outParameters.add(parameter);
}
protected final void setReturnParameter(Parameter parameter) {
addParameter(parameter);
returnParameter = parameter;
}
public final Field asField() {
if (function == null) {
function = new RoutineField();
}
return function;
}
public final Field asField(String alias) {
return asField().as(alias);
}
public final AggregateFunction asAggregateFunction() {
Field[] array = new Field[getInParameters().size()];
int i = 0;
for (Parameter p : getInParameters()) {
array[i] = getInValues().get(p);
i++;
}
// [#2393] Fully qualify custom aggregate functions.
// TODO: Merge this code into RoutineField!
List names = new ArrayList();
if (schema != null) {
names.add(schema.getName());
}
if (pkg != null) {
names.add(pkg.getName());
}
names.add(name);
return (AggregateFunction) function(DSL.name(names.toArray(EMPTY_STRING)), type, array);
}
/**
* Subclasses may call this method to create {@link UDTField} objects that
* are linked to this table.
*
* @param name The name of the field (case-sensitive!)
* @param type The data type of the field
*
* @deprecated - Please, re-generate your routine code.
*/
@Deprecated
protected static final Parameter createParameter(String name, DataType type) {
return createParameter(name, type, false, null, null);
}
/**
* Subclasses may call this method to create {@link UDTField} objects that
* are linked to this table.
*
* @param name The name of the field (case-sensitive!)
* @param type The data type of the field
* @param isDefaulted Whether the parameter is defaulted (see
* {@link Parameter#isDefaulted()}
*
* @deprecated - Please, re-generate your routine code.
*/
@Deprecated
protected static final Parameter createParameter(String name, DataType type, boolean isDefaulted) {
return createParameter(name, type, isDefaulted, null, null);
}
/**
* Subclasses may call this method to create {@link UDTField} objects that
* are linked to this table.
*
* @param name The name of the field (case-sensitive!)
* @param type The data type of the field
* @param isDefaulted Whether the parameter is defaulted (see
* {@link Parameter#isDefaulted()}
*
* @deprecated - Please, re-generate your routine code.
*/
@Deprecated
protected static final Parameter createParameter(String name, DataType type, boolean isDefaulted, Converter converter) {
return createParameter(name, type, isDefaulted, converter, null);
}
/**
* Subclasses may call this method to create {@link UDTField} objects that
* are linked to this table.
*
* @param name The name of the field (case-sensitive!)
* @param type The data type of the field
* @param isDefaulted Whether the parameter is defaulted (see
* {@link Parameter#isDefaulted()}
*
* @deprecated - Please, re-generate your routine code.
*/
@Deprecated
protected static final Parameter createParameter(String name, DataType type, boolean isDefaulted, Binding binding) {
return createParameter(name, type, isDefaulted, null, binding);
}
/**
* Subclasses may call this method to create {@link UDTField} objects that
* are linked to this table.
*
* @param name The name of the field (case-sensitive!)
* @param type The data type of the field
* @param isDefaulted Whether the parameter is defaulted (see
* {@link Parameter#isDefaulted()}
*
* @deprecated - Please, re-generate your routine code.
*/
@Deprecated
protected static final Parameter createParameter(String name, DataType type, boolean isDefaulted, Converter converter, Binding binding) {
return createParameter(name, type, isDefaulted, false, converter, binding);
}
/**
* Subclasses may call this method to create {@link UDTField} objects that
* are linked to this table.
*
* @param name The name of the field (case-sensitive!)
* @param type The data type of the field
* @param isDefaulted Whether the parameter is defaulted (see
* {@link Parameter#isDefaulted()}
* @param isUnnamed Whether the parameter is unnamed (see
* {@link Parameter#isUnnamed()}.
*/
protected static final Parameter createParameter(String name, DataType type, boolean isDefaulted, boolean isUnnamed) {
return createParameter(name, type, isDefaulted, isUnnamed, null, null);
}
/**
* Subclasses may call this method to create {@link UDTField} objects that
* are linked to this table.
*
* @param name The name of the field (case-sensitive!)
* @param type The data type of the field
* @param isDefaulted Whether the parameter is defaulted (see
* {@link Parameter#isDefaulted()}
* @param isUnnamed Whether the parameter is unnamed (see
* {@link Parameter#isUnnamed()}.
*/
protected static final Parameter createParameter(String name, DataType type, boolean isDefaulted, boolean isUnnamed, Converter converter) {
return createParameter(name, type, isDefaulted, isUnnamed, converter, null);
}
/**
* Subclasses may call this method to create {@link UDTField} objects that
* are linked to this table.
*
* @param name The name of the field (case-sensitive!)
* @param type The data type of the field
* @param isDefaulted Whether the parameter is defaulted (see
* {@link Parameter#isDefaulted()}
* @param isUnnamed Whether the parameter is unnamed (see
* {@link Parameter#isUnnamed()}.
*/
protected static final Parameter createParameter(String name, DataType type, boolean isDefaulted, boolean isUnnamed, Binding binding) {
return createParameter(name, type, isDefaulted, isUnnamed, null, binding);
}
/**
* Subclasses may call this method to create {@link UDTField} objects that
* are linked to this table.
*
* @param name The name of the field (case-sensitive!)
* @param type The data type of the field
* @param isDefaulted Whether the parameter is defaulted (see
* {@link Parameter#isDefaulted()}
* @param isUnnamed Whether the parameter is unnamed (see
* {@link Parameter#isUnnamed()}.
*/
@SuppressWarnings("unchecked")
protected static final Parameter createParameter(String name, DataType type, boolean isDefaulted, boolean isUnnamed, Converter converter, Binding binding) {
final Binding actualBinding = DefaultBinding.newBinding(converter, type, binding);
final DataType actualType = converter == null && binding == null
? (DataType) type
: type.asConvertedDataType(actualBinding);
return new ParameterImpl(name, actualType, actualBinding, isDefaulted, isUnnamed);
}
/**
* The {@link Field} representation of this {@link Routine}
*/
private class RoutineField extends AbstractField {
/**
* Generated UID
*/
private static final long serialVersionUID = -5730297947647252624L;
@SuppressWarnings("unchecked")
RoutineField() {
// [#5997] TODO Retain quotation flag
super(DSL.name(AbstractRoutine.this.getName()),
AbstractRoutine.this.type == null
// [#4254] PostgreSQL may have stored functions that don't
// declare an explicit return type. Those function's return
// type is in fact a RECORD type, consisting of OUT paramterers
? (DataType) SQLDataType.RESULT
: AbstractRoutine.this.type);
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
public void accept(Context ctx) {
RenderContext local = create(ctx).renderContext();
toSQLQualifiedName(local);
List> fields = new ArrayList>();
for (Parameter parameter : getInParameters()) {
// [#1183] [#3533] Skip defaulted parameters
if (inValuesDefaulted.contains(parameter))
continue;
// Disambiguate overloaded function signatures
if (ctx.family() == POSTGRES)
// [#4920] In case there are any unnamed parameters, we mustn't
if (hasUnnamedParameters())
if (pgArgNeedsCasting(parameter))
fields.add(new Cast(getInValues().get(parameter), parameter.getDataType()));
else
fields.add(getInValues().get(parameter));
else
if (pgArgNeedsCasting(parameter))
fields.add(DSL.field("{0} := {1}", name(parameter.getName()), new Cast(getInValues().get(parameter), parameter.getDataType())));
else
fields.add(DSL.field("{0} := {1}", name(parameter.getName()), getInValues().get(parameter)));
else
fields.add(getInValues().get(parameter));
}
Field result = function(local.render(), getDataType(), fields.toArray(EMPTY_FIELD));
// [#3592] Decrease SQL -> PL/SQL context switches with Oracle Scalar Subquery Caching
if (TRUE.equals(settings(ctx.configuration()).isRenderScalarSubqueriesForStoredFunctions()))
result = DSL.select(result).asField();
ctx.visit(result);
}
}
// ------------------------------------------------------------------------
// XXX: Object API
// ------------------------------------------------------------------------
@Override
public int hashCode() {
// [#1938] This is a much more efficient hashCode() implementation
// compared to that of standard QueryParts
return name.hashCode();
}
}