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Tools.java
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Tools.java
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/*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*/
package org.jooq.impl;
import static java.lang.Boolean.FALSE;
import static java.lang.Boolean.TRUE;
import static java.lang.Character.isJavaIdentifierPart;
// ...
// ...
// ...
// ...
import static org.jooq.SQLDialect.CUBRID;
import static org.jooq.SQLDialect.DERBY;
import static org.jooq.SQLDialect.FIREBIRD;
import static org.jooq.SQLDialect.HSQLDB;
import static org.jooq.SQLDialect.MARIADB;
import static org.jooq.SQLDialect.MYSQL;
// ...
import static org.jooq.SQLDialect.POSTGRES;
// ...
import static org.jooq.SQLDialect.SQLITE;
// ...
import static org.jooq.conf.BackslashEscaping.DEFAULT;
import static org.jooq.conf.BackslashEscaping.ON;
import static org.jooq.conf.ParamType.INLINED;
import static org.jooq.conf.ParamType.NAMED;
import static org.jooq.conf.ParamType.NAMED_OR_INLINED;
import static org.jooq.conf.SettingsTools.getBackslashEscaping;
import static org.jooq.conf.SettingsTools.reflectionCaching;
import static org.jooq.conf.SettingsTools.updatablePrimaryKeys;
import static org.jooq.conf.ThrowExceptions.THROW_FIRST;
import static org.jooq.conf.ThrowExceptions.THROW_NONE;
import static org.jooq.impl.DDLStatementType.ALTER_INDEX;
import static org.jooq.impl.DDLStatementType.ALTER_SEQUENCE;
import static org.jooq.impl.DDLStatementType.ALTER_TABLE;
import static org.jooq.impl.DDLStatementType.ALTER_VIEW;
import static org.jooq.impl.DDLStatementType.CREATE_INDEX;
import static org.jooq.impl.DDLStatementType.CREATE_SCHEMA;
import static org.jooq.impl.DDLStatementType.CREATE_SEQUENCE;
import static org.jooq.impl.DDLStatementType.CREATE_TABLE;
import static org.jooq.impl.DDLStatementType.CREATE_VIEW;
import static org.jooq.impl.DDLStatementType.DROP_INDEX;
import static org.jooq.impl.DDLStatementType.DROP_SCHEMA;
import static org.jooq.impl.DDLStatementType.DROP_SEQUENCE;
import static org.jooq.impl.DDLStatementType.DROP_TABLE;
import static org.jooq.impl.DDLStatementType.DROP_VIEW;
import static org.jooq.impl.DSL.concat;
import static org.jooq.impl.DSL.escape;
import static org.jooq.impl.DSL.getDataType;
import static org.jooq.impl.DSL.keyword;
import static org.jooq.impl.DSL.name;
import static org.jooq.impl.DSL.nullSafe;
import static org.jooq.impl.DSL.val;
import static org.jooq.impl.DefaultExecuteContext.localConnection;
import static org.jooq.impl.Identifiers.QUOTES;
import static org.jooq.impl.Identifiers.QUOTE_END_DELIMITER;
import static org.jooq.impl.Identifiers.QUOTE_END_DELIMITER_ESCAPED;
import static org.jooq.impl.Identifiers.QUOTE_START_DELIMITER;
import static org.jooq.impl.Keywords.K_AS;
import static org.jooq.impl.Keywords.K_ATOMIC;
import static org.jooq.impl.Keywords.K_AUTOINCREMENT;
import static org.jooq.impl.Keywords.K_AUTO_INCREMENT;
import static org.jooq.impl.Keywords.K_BEGIN;
import static org.jooq.impl.Keywords.K_BEGIN_CATCH;
import static org.jooq.impl.Keywords.K_BEGIN_TRY;
import static org.jooq.impl.Keywords.K_COLLATE;
import static org.jooq.impl.Keywords.K_DECLARE;
import static org.jooq.impl.Keywords.K_DEFAULT;
import static org.jooq.impl.Keywords.K_DO;
import static org.jooq.impl.Keywords.K_ELSE;
import static org.jooq.impl.Keywords.K_ELSIF;
import static org.jooq.impl.Keywords.K_END;
import static org.jooq.impl.Keywords.K_END_CATCH;
import static org.jooq.impl.Keywords.K_END_IF;
import static org.jooq.impl.Keywords.K_END_TRY;
import static org.jooq.impl.Keywords.K_ENUM;
import static org.jooq.impl.Keywords.K_EXCEPTION;
import static org.jooq.impl.Keywords.K_EXEC;
import static org.jooq.impl.Keywords.K_EXECUTE_BLOCK;
import static org.jooq.impl.Keywords.K_EXECUTE_IMMEDIATE;
import static org.jooq.impl.Keywords.K_EXECUTE_STATEMENT;
import static org.jooq.impl.Keywords.K_GENERATED_BY_DEFAULT_AS_IDENTITY;
import static org.jooq.impl.Keywords.K_IDENTITY;
import static org.jooq.impl.Keywords.K_IF;
import static org.jooq.impl.Keywords.K_INT;
import static org.jooq.impl.Keywords.K_LIKE;
import static org.jooq.impl.Keywords.K_NOT;
import static org.jooq.impl.Keywords.K_NOT_NULL;
import static org.jooq.impl.Keywords.K_NULL;
import static org.jooq.impl.Keywords.K_NVARCHAR;
import static org.jooq.impl.Keywords.K_PRIMARY_KEY;
import static org.jooq.impl.Keywords.K_RAISE;
import static org.jooq.impl.Keywords.K_RAISERROR;
import static org.jooq.impl.Keywords.K_SERIAL;
import static org.jooq.impl.Keywords.K_SERIAL8;
import static org.jooq.impl.Keywords.K_SQLSTATE;
import static org.jooq.impl.Keywords.K_START_WITH;
import static org.jooq.impl.Keywords.K_THEN;
import static org.jooq.impl.Keywords.K_THROW;
import static org.jooq.impl.Keywords.K_WHEN;
import static org.jooq.impl.SQLDataType.VARCHAR;
import static org.jooq.impl.Tools.DataCacheKey.DATA_REFLECTION_CACHE_GET_ANNOTATED_GETTER;
import static org.jooq.impl.Tools.DataCacheKey.DATA_REFLECTION_CACHE_GET_ANNOTATED_MEMBERS;
import static org.jooq.impl.Tools.DataCacheKey.DATA_REFLECTION_CACHE_GET_ANNOTATED_SETTERS;
import static org.jooq.impl.Tools.DataCacheKey.DATA_REFLECTION_CACHE_GET_MATCHING_GETTER;
import static org.jooq.impl.Tools.DataCacheKey.DATA_REFLECTION_CACHE_GET_MATCHING_MEMBERS;
import static org.jooq.impl.Tools.DataCacheKey.DATA_REFLECTION_CACHE_GET_MATCHING_SETTERS;
import static org.jooq.impl.Tools.DataCacheKey.DATA_REFLECTION_CACHE_HAS_COLUMN_ANNOTATIONS;
import static org.jooq.impl.Tools.DataKey.DATA_BLOCK_NESTING;
import static org.jooq.tools.reflect.Reflect.accessible;
import java.io.Serializable;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.sql.Connection;
import java.sql.Date;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;
import java.sql.Time;
import java.sql.Timestamp;
import java.sql.Types;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.OffsetDateTime;
import java.time.OffsetTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.ForkJoinPool.ManagedBlocker;
import java.util.function.Supplier;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
// ...
import org.jooq.Attachable;
import org.jooq.BindContext;
import org.jooq.Catalog;
import org.jooq.Clause;
import org.jooq.CommonTableExpression;
import org.jooq.Condition;
import org.jooq.Configuration;
import org.jooq.Context;
import org.jooq.Cursor;
import org.jooq.DSLContext;
import org.jooq.DataType;
import org.jooq.EnumType;
import org.jooq.ExecuteContext;
import org.jooq.ExecuteListener;
import org.jooq.Field;
import org.jooq.Name;
import org.jooq.OrderField;
import org.jooq.Param;
import org.jooq.Query;
import org.jooq.QueryPart;
import org.jooq.Record;
import org.jooq.Record1;
import org.jooq.RecordType;
import org.jooq.RenderContext;
import org.jooq.RenderContext.CastMode;
import org.jooq.Result;
import org.jooq.ResultOrRows;
import org.jooq.Results;
import org.jooq.Row;
import org.jooq.RowN;
import org.jooq.SQLDialect;
import org.jooq.Schema;
import org.jooq.Select;
import org.jooq.SelectFieldOrAsterisk;
import org.jooq.SortField;
import org.jooq.Table;
import org.jooq.TableRecord;
import org.jooq.UDT;
import org.jooq.UDTRecord;
import org.jooq.UpdatableRecord;
import org.jooq.conf.BackslashEscaping;
import org.jooq.conf.Settings;
import org.jooq.conf.ThrowExceptions;
import org.jooq.exception.DataAccessException;
import org.jooq.exception.DataTypeException;
import org.jooq.exception.MappingException;
import org.jooq.exception.NoDataFoundException;
import org.jooq.exception.TooManyRowsException;
import org.jooq.impl.ResultsImpl.ResultOrRowsImpl;
import org.jooq.impl.Tools.Cache.CachedOperation;
import org.jooq.tools.JooqLogger;
import org.jooq.tools.StringUtils;
import org.jooq.tools.jdbc.JDBCUtils;
import org.jooq.tools.reflect.Reflect;
import org.jooq.tools.reflect.ReflectException;
import org.jooq.types.UByte;
import org.jooq.types.UInteger;
import org.jooq.types.ULong;
import org.jooq.types.UShort;
/**
* General internal jOOQ utilities
*
* @author Lukas Eder
*/
final class Tools {
static final JooqLogger log = JooqLogger.getLogger(Tools.class);
// ------------------------------------------------------------------------
// Empty arrays for use with Collection.toArray()
// ------------------------------------------------------------------------
static final byte[] EMPTY_BYTE = {};
static final Class<?>[] EMPTY_CLASS = {};
static final Clause[] EMPTY_CLAUSE = {};
static final Collection<?>[] EMPTY_COLLECTION = {};
static final CommonTableExpression<?>[] EMPTY_COMMON_TABLE_EXPRESSION = {};
static final ExecuteListener[] EMPTY_EXECUTE_LISTENER = {};
static final Field<?>[] EMPTY_FIELD = {};
static final int[] EMPTY_INT = {};
static final Name[] EMPTY_NAME = {};
static final Param<?>[] EMPTY_PARAM = {};
static final OrderField<?>[] EMPTY_ORDERFIELD = {};
static final Query[] EMPTY_QUERY = {};
static final QueryPart[] EMPTY_QUERYPART = {};
static final Record[] EMPTY_RECORD = {};
static final RowN[] EMPTY_ROWN = {};
static final SelectFieldOrAsterisk[] EMPTY_SELECT_FIELD_OR_ASTERISK = {};
static final SortField<?>[] EMPTY_SORTFIELD = {};
static final String[] EMPTY_STRING = {};
static final Table<?>[] EMPTY_TABLE = {};
static final TableRecord<?>[] EMPTY_TABLE_RECORD = {};
static final UpdatableRecord<?>[] EMPTY_UPDATABLE_RECORD = {};
// ------------------------------------------------------------------------
// Some constants for use with Context.data()
// ------------------------------------------------------------------------
enum DataKey {
/**
* [#1537] This constant is used internally by jOOQ to omit the RETURNING
* clause in {@link DSLContext#batchStore(UpdatableRecord...)} calls for
* {@link SQLDialect#POSTGRES}.
*/
DATA_OMIT_RETURNING_CLAUSE,
/**
* [#1905] This constant is used internally by jOOQ to indicate to
* subqueries that they're being rendered in the context of a row value
* expression predicate.
* <p>
* This is particularly useful for H2, which pretends that ARRAYs and RVEs
* are the same
*/
DATA_ROW_VALUE_EXPRESSION_PREDICATE_SUBQUERY,
/**
* [#1296] This constant is used internally by jOOQ to indicate that
* {@link ResultSet} rows must be locked to emulate a
* <code>FOR UPDATE</code> clause.
*/
DATA_LOCK_ROWS_FOR_UPDATE,
/**
* [#1520] Count the number of bind values, and potentially enforce a static
* statement.
*/
DATA_COUNT_BIND_VALUES,
/**
* [#1520] Enforce executing static statements.
* <p>
* Some SQL dialects support only a limited amount of bind variables. This
* flag is set when static statements have too many bind variables. Known
* values are:
* <ul>
* <li>{@link SQLDialect#ASE} : 2000</li>
* <li>{@link SQLDialect#INGRES} : 1024</li>
* <li>{@link SQLDialect#SQLITE} : 999</li>
* <li>{@link SQLDialect#SQLSERVER} : 2100</li>
* </ul>
*/
DATA_FORCE_STATIC_STATEMENT,
/**
* [#2665] Omit the emission of clause events by {@link QueryPart}s.
* <p>
* Some {@link QueryPart}s may contain further {@link QueryPart}s for whom
* {@link Clause} emission should be avoided. For example
* {@link Clause#FIELD_REFERENCE} may contain a
* {@link Clause#TABLE_REFERENCE}.
*/
DATA_OMIT_CLAUSE_EVENT_EMISSION,
/**
* [#2665] Wrap derived tables in parentheses.
* <p>
* Before allowing for hooking into the SQL transformation SPI, new
* {@link RenderContext} instances could be created to "try" to render a
* given SQL subclause before inserting it into the real SQL string. This
* practice should no longer be pursued, as such "sub-renderers" will emit /
* divert {@link Clause} events.
*/
DATA_WRAP_DERIVED_TABLES_IN_PARENTHESES,
/**
* [#531] The local window definitions.
* <p>
* The window definitions declared in the <code>WINDOW</code> clause are
* needed in the <code>SELECT</code> clause when emulating them by inlining
* window specifications.
*/
DATA_WINDOW_DEFINITIONS,
/**
* [#1629] The {@link Connection#getAutoCommit()} flag value before starting
* a new transaction.
*/
DATA_DEFAULT_TRANSACTION_PROVIDER_AUTOCOMMIT,
/**
* [#1629] The {@link Connection#getAutoCommit()} flag value before starting
* a new transaction.
*/
DATA_DEFAULT_TRANSACTION_PROVIDER_SAVEPOINTS,
/**
* [#1629] The {@link DefaultConnectionProvider} instance to be used during
* the transaction.
*/
DATA_DEFAULT_TRANSACTION_PROVIDER_CONNECTION,
/**
* [#2080] When emulating OFFSET pagination in certain databases, synthetic
* aliases are generated that must be referenced also in
* <code>ORDER BY</code> clauses, in lieu of their corresponding original
* aliases.
*/
DATA_OVERRIDE_ALIASES_IN_ORDER_BY,
/**
* [#2080] When emulating OFFSET pagination in certain databases, synthetic
* aliases are generated that must be referenced also in
* <code>ORDER BY</code> clauses, in lieu of their corresponding original
* aliases.
*/
DATA_UNALIAS_ALIASES_IN_ORDER_BY,
/**
* [#3381] The table to be used for the {@link Clause#SELECT_INTO} clause.
*/
DATA_SELECT_INTO_TABLE,
/**
* [#7139] No data must be selected in the <code>SELECT</code> statement.
*/
DATA_SELECT_NO_DATA,
/**
* [#3381] Omit the {@link Clause#SELECT_INTO}, as it is being emulated.
*/
DATA_OMIT_INTO_CLAUSE,
/**
* [#1658] Specify whether the trailing LIMIT clause needs to be rendered.
*/
DATA_RENDER_TRAILING_LIMIT_IF_APPLICABLE,
/**
* [#3886] Whether a list has already been indented.
*/
DATA_LIST_ALREADY_INDENTED,
/**
* [#3338] [#5086] Whether a constraint is being referenced (rather than
* declared).
*/
DATA_CONSTRAINT_REFERENCE,
/**
* [#1206] Whether to collect Semi / Anti JOIN.
*/
DATA_COLLECT_SEMI_ANTI_JOIN,
/**
* [#1206] The collected Semi / Anti JOIN predicates.
*/
DATA_COLLECTED_SEMI_ANTI_JOIN,
/**
* [#2995] An <code>INSERT INTO t SELECT</code> statement. Without any
* explicit column list, the <code>SELECT</code> statement must not be
* wrapped in parentheses (which would be interpreted as the column
* list's parentheses).
*/
DATA_INSERT_SELECT_WITHOUT_INSERT_COLUMN_LIST,
/**
* The level of anonymous block nesting, in case we're generating a block.
*/
DATA_BLOCK_NESTING,
/**
* [#3579] [#6431] [#7222] There are nested set operations in the current
* {@link Select} scope.
*/
DATA_NESTED_SET_OPERATIONS,
/**
* [#5191] Whether INSERT RETURNING is being emulated for bulk insertions.
*/
DATA_EMULATE_BULK_INSERT_RETURNING,
/**
* [#7467] In SQL Server, the TOP clause is sometimes preferred over the FETCH clause.
*/
DATA_PREFER_TOP_OVER_FETCH,
/**
* [#1535] We're currently generating the window specification of a ranking function.
*/
DATA_RANKING_FUNCTION,
}
/**
* Like {@link DataKey}, but not an enum - for rare usage.
*/
static class DataExtendedKey {
}
/**
* [#2965] These are {@link ConcurrentHashMap}s containing caches for
* reflection information.
* <p>
* <code>new String()</code> is used to allow for synchronizing on these
* objects.
*/
enum DataCacheKey {
DATA_REFLECTION_CACHE_GET_ANNOTATED_GETTER("org.jooq.configuration.reflection-cache.get-annotated-getter"),
DATA_REFLECTION_CACHE_GET_ANNOTATED_MEMBERS("org.jooq.configuration.reflection-cache.get-annotated-members"),
DATA_REFLECTION_CACHE_GET_ANNOTATED_SETTERS("org.jooq.configuration.reflection-cache.get-annotated-setters"),
DATA_REFLECTION_CACHE_GET_MATCHING_GETTER("org.jooq.configuration.reflection-cache.get-matching-getter"),
DATA_REFLECTION_CACHE_GET_MATCHING_MEMBERS("org.jooq.configuration.reflection-cache.get-matching-members"),
DATA_REFLECTION_CACHE_GET_MATCHING_SETTERS("org.jooq.configuration.reflection-cache.get-matching-setters"),
DATA_REFLECTION_CACHE_HAS_COLUMN_ANNOTATIONS("org.jooq.configuration.reflection-cache.has-column-annotations"),
DATA_CACHE_RECORD_MAPPERS("org.jooq.configuration.cache.record-mappers");
final String key;
private DataCacheKey(String key) {
this.key = key;
}
}
// ------------------------------------------------------------------------
// Other constants
// ------------------------------------------------------------------------
/**
* The default escape character for <code>[a] LIKE [b] ESCAPE [...]</code>
* clauses.
*/
static final char ESCAPE = '!';
/**
* A lock for the initialisation of other static members
*/
private static final Object initLock = new Object();
/**
* Indicating whether JPA (<code>javax.persistence</code>) is on the
* classpath.
*/
private static volatile Boolean isJPAAvailable;
/**
* Indicating whether Kotlin (<code>kotlin.*</code>) is on the classpath.
*/
private static volatile Boolean isKotlinAvailable;
private static volatile Reflect ktJvmClassMapping;
private static volatile Reflect ktKClasses;
private static volatile Reflect ktKClass;
/**
* [#3696] The maximum number of consumed exceptions in
* {@link #consumeExceptions(Configuration, PreparedStatement, SQLException)}
* helps prevent infinite loops and {@link OutOfMemoryError}.
*/
private static int maxConsumedExceptions = 256;
private static int maxConsumedResults = 65536;
/**
* A pattern for the dash line syntax
*/
private static final Pattern DASH_PATTERN = Pattern.compile("(-+)");
/**
* A pattern for the pipe line syntax
*/
private static final Pattern PIPE_PATTERN = Pattern.compile("(?<=\\|)([^|]+)(?=\\|)");
/**
* A pattern for the dash line syntax
*/
private static final Pattern PLUS_PATTERN = Pattern.compile("\\+(-+)(?=\\+)");
/**
* All characters that are matched by Java's interpretation of \s.
* <p>
* For a more accurate set of whitespaces, refer to
* http://stackoverflow.com/a/4731164/521799. In the event of SQL
* processing, it is probably safe to ignore most of those alternative
* Unicode whitespaces.
*/
private static final char[] WHITESPACE_CHARACTERS = " \t\n\u000B\f\r".toCharArray();
/**
* Acceptable prefixes for JDBC escape syntax.
*/
private static final char[][] JDBC_ESCAPE_PREFIXES = {
"{fn ".toCharArray(),
"{d ".toCharArray(),
"{t ".toCharArray(),
"{ts ".toCharArray()
};
private static final char[] TOKEN_SINGLE_LINE_COMMENT = { '-', '-' };
private static final char[] TOKEN_HASH = { '#' };
private static final char[] TOKEN_MULTI_LINE_COMMENT_OPEN = { '/', '*' };
private static final char[] TOKEN_MULTI_LINE_COMMENT_CLOSE = { '*', '/' };
private static final char[] TOKEN_APOS = { '\'' };
private static final char[] TOKEN_ESCAPED_APOS = { '\'', '\'' };
/**
* "Suffixes" that are placed behind a "?" character to form an operator,
* rather than a JDBC bind variable. This is particularly useful to prevent
* parsing PostgreSQL operators as bind variables, as can be seen here:
* <a href=
* "https://www.postgresql.org/docs/9.5/static/functions-json.html">https://www.postgresql.org/docs/current/static/functions-json.html</a>,
* <a href=
* "https://www.postgresql.org/docs/current/static/ltree.html">https://www.postgresql.org/docs/current/static/ltree.html</a>,
* <a href=
* "https://www.postgresql.org/docs/current/static/functions-geometry.html">https://www.postgresql.org/docs/current/static/functions-geometry.html</a>.
* <p>
* [#5307] Known PostgreSQL JSON operators:
* <ul>
* <li>?|</li>
* <li>?&</li>
* </ul>
* <p>
* [#7035] Known PostgreSQL LTREE operators:
* <ul>
* <li>? (we cannot handle this one)</li>
* <li>?@></li>
* <li>?<@</li>
* <li>?~</li>
* <li>?@</li>
* </ul>
* <p>
* [#7037] Known PostgreSQL Geometry operators:
* <ul>
* <li>?#</li>
* <li>?-</li>
* <li>?|</li>
* </ul>
*/
private static final char[][] NON_BIND_VARIABLE_SUFFIXES = {
{ '?' },
{ '|' },
{ '&' },
{ '@' },
{ '<' },
{ '~' },
{ '#' },
{ '-' }
};
/**
* All hexadecimal digits accessible through array index, e.g.
* <code>HEX_DIGITS[15] == 'f'</code>.
*/
private static final char[] HEX_DIGITS = "0123456789abcdef".toCharArray();
private static final EnumSet<SQLDialect> REQUIRES_BACKSLASH_ESCAPING = EnumSet.of(MARIADB, MYSQL);
private static final EnumSet<SQLDialect> NO_SUPPORT_NULL = EnumSet.of(DERBY, FIREBIRD, HSQLDB);
private static final EnumSet<SQLDialect> NO_SUPPORT_BINARY_TYPE_LENGTH = EnumSet.of(POSTGRES);
private static final EnumSet<SQLDialect> DEFAULT_BEFORE_NULL = EnumSet.of(FIREBIRD, HSQLDB);
private static final EnumSet<SQLDialect> SUPPORT_MYSQL_SYNTAX = EnumSet.of(MARIADB, MYSQL);
// ------------------------------------------------------------------------
// XXX: Record constructors and related methods
// ------------------------------------------------------------------------
/**
* Turn a {@link Result} into a list of {@link Row}
*/
static final List<Row> rows(Result<?> result) {
List<Row> rows = new ArrayList<Row>(result.size());
for (Record record : result)
rows.add(record.valuesRow());
return rows;
}
/**
* Create a new record
*/
static final <R extends Record> RecordDelegate<R> newRecord(boolean fetched, Class<R> type) {
return newRecord(fetched, type, null);
}
/**
* Create a new record
*/
static final <R extends Record> RecordDelegate<R> newRecord(boolean fetched, Class<R> type, Field<?>[] fields) {
return newRecord(fetched, type, fields, null);
}
/**
* Create a new record
*/
static final <R extends Record> RecordDelegate<R> newRecord(boolean fetched, Table<R> type) {
return newRecord(fetched, type, null);
}
/**
* Create a new record
*/
@SuppressWarnings("unchecked")
static final <R extends Record> RecordDelegate<R> newRecord(boolean fetched, Table<R> type, Configuration configuration) {
return (RecordDelegate<R>) newRecord(fetched, type.getRecordType(), type.fields(), configuration);
}
/**
* Create a new UDT record
*/
static final <R extends UDTRecord<R>> RecordDelegate<R> newRecord(boolean fetched, UDT<R> type) {
return newRecord(fetched, type, null);
}
/**
* Create a new UDT record
*/
static final <R extends UDTRecord<R>> RecordDelegate<R> newRecord(boolean fetched, UDT<R> type, Configuration configuration) {
return newRecord(fetched, type.getRecordType(), type.fields(), configuration);
}
/**
* Create a new record.
*/
static final <R extends Record> RecordDelegate<R> newRecord(boolean fetched, Class<R> type, Field<?>[] fields, Configuration configuration) {
return newRecord(fetched, recordFactory(type, fields), configuration);
}
/**
* Create a new record.
*/
static final <R extends Record> RecordDelegate<R> newRecord(boolean fetched, RecordFactory<R> factory, Configuration configuration) {
try {
R record = factory.newInstance();
// [#3300] Records that were fetched from the database
if (record instanceof AbstractRecord)
((AbstractRecord) record).fetched = fetched;
return new RecordDelegate<R>(configuration, record);
}
catch (Exception e) {
throw new IllegalStateException("Could not construct new record", e);
}
}
/**
* Create a new record factory.
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
static final <R extends Record> RecordFactory<R> recordFactory(final Class<R> type, final Field<?>[] fields) {
// An ad-hoc type resulting from a JOIN or arbitrary SELECT
if (type == RecordImpl.class || type == Record.class) {
final RowImpl row = new RowImpl(fields);
return new RecordFactory<R>() {
@Override
public R newInstance() {
return (R) new RecordImpl(row);
}
};
}
// Any generated record
else {
try {
// [#919] Allow for accessing non-public constructors
final Constructor<R> constructor = Reflect.accessible(type.getDeclaredConstructor());
return new RecordFactory<R>() {
@Override
public R newInstance() {
try {
return constructor.newInstance();
}
catch (Exception e) {
throw new IllegalStateException("Could not construct new record", e);
}
}
};
}
catch (Exception e) {
throw new IllegalStateException("Could not construct new record", e);
}
}
}
/**
* [#2700] [#3582] If a POJO attribute is NULL, but the column is NOT NULL
* then we should let the database apply DEFAULT values
*/
static final void resetChangedOnNotNull(Record record) {
int size = record.size();
for (int i = 0; i < size; i++)
if (record.get(i) == null)
if (!record.field(i).getDataType().nullable())
record.changed(i, false);
}
/**
* Extract the configuration from an attachable.
*/
static final Configuration getConfiguration(Attachable attachable) {
return attachable.configuration();
}
/**
* Get an attachable's configuration or a new {@link DefaultConfiguration}
* if <code>null</code>.
*/
static final Configuration configuration(Attachable attachable) {
return configuration(attachable.configuration());
}
/**
* Get a configuration or a new {@link DefaultConfiguration} if
* <code>null</code>.
*/
static final Configuration configuration(Configuration configuration) {
return configuration != null ? configuration : new DefaultConfiguration();
}
/**
* Get a configuration's settings or default settings if the configuration
* is <code>null</code>.
*/
static final Settings settings(Attachable attachable) {
return configuration(attachable).settings();
}
/**
* Get a configuration's settings or default settings if the configuration
* is <code>null</code>.
*/
static final Settings settings(Configuration configuration) {
return configuration(configuration).settings();
}
static final boolean attachRecords(Configuration configuration) {
if (configuration != null) {
Settings settings = configuration.settings();
if (settings != null) {
return !FALSE.equals(settings.isAttachRecords());
}
}
return true;
}
static final Field<?>[] fieldArray(Collection<? extends Field<?>> fields) {
return fields == null ? null : fields.toArray(EMPTY_FIELD);
}
// ------------------------------------------------------------------------
// XXX: Data-type related methods
// ------------------------------------------------------------------------
/**
* Useful conversion method
*/
static final Class<?>[] types(Field<?>[] fields) {
return types(dataTypes(fields));
}
/**
* Useful conversion method
*/
static final Class<?>[] types(DataType<?>[] types) {
if (types == null)
return null;
Class<?>[] result = new Class<?>[types.length];
for (int i = 0; i < types.length; i++) {
if (types[i] != null) {
result[i] = types[i].getType();
}
else {
result[i] = Object.class;
}
}
return result;
}
/**
* Useful conversion method
*/
static final Class<?>[] types(Object[] values) {
if (values == null)
return null;
Class<?>[] result = new Class<?>[values.length];
for (int i = 0; i < values.length; i++) {
if (values[i] instanceof Field<?>) {
result[i] = ((Field<?>) values[i]).getType();
}
else if (values[i] != null) {
result[i] = values[i].getClass();
}
else {
result[i] = Object.class;
}
}
return result;
}
/**
* Useful conversion method
*/
static final DataType<?>[] dataTypes(Field<?>[] fields) {
if (fields == null)
return null;
DataType<?>[] result = new DataType<?>[fields.length];
for (int i = 0; i < fields.length; i++) {
if (fields[i] != null) {
result[i] = fields[i].getDataType();
}
else {
result[i] = getDataType(Object.class);
}
}
return result;
}
/**
* Useful conversion method
*/
static final DataType<?>[] dataTypes(Class<?>[] types) {
if (types == null)
return null;
DataType<?>[] result = new DataType<?>[types.length];
for (int i = 0; i < types.length; i++)
if (types[i] != null)
result[i] = getDataType(types[i]);
else
result[i] = getDataType(Object.class);
return result;
}
/**
* Useful conversion method
*/
static final DataType<?>[] dataTypes(Object[] values) {
return dataTypes(types(values));
}