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Example 21 with SQLDialect

use of org.jooq.SQLDialect in project jOOQ by jOOQ.

the class SelectQueryImpl method accept.

@Override
public final void accept(Context<?> context) {
    SQLDialect dialect = context.dialect();
    SQLDialect family = context.family();
    // [#2791] TODO: Instead of explicitly manipulating these data() objects, future versions
    // of jOOQ should implement a push / pop semantics to clearly delimit such scope.
    Object renderTrailingLimit = context.data(DATA_RENDER_TRAILING_LIMIT_IF_APPLICABLE);
    Object localDataMap = context.data(DATA_LOCALLY_SCOPED_DATA_MAP);
    try {
        if (renderTrailingLimit != null)
            context.data().remove(DATA_RENDER_TRAILING_LIMIT_IF_APPLICABLE);
        context.data(DATA_LOCALLY_SCOPED_DATA_MAP, new HashMap<Object, Object>());
        if (into != null && context.data(DATA_OMIT_INTO_CLAUSE) == null && asList(CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE).contains(family)) {
            context.data(DATA_OMIT_INTO_CLAUSE, true);
            context.visit(DSL.createTable(into).as(this));
            context.data().remove(DATA_OMIT_INTO_CLAUSE);
            return;
        }
        if (with != null)
            context.visit(with).formatSeparator();
        pushWindow(context);
        Boolean wrapDerivedTables = (Boolean) context.data(DATA_WRAP_DERIVED_TABLES_IN_PARENTHESES);
        if (TRUE.equals(wrapDerivedTables)) {
            context.sql('(').formatIndentStart().formatNewLine().data(DATA_WRAP_DERIVED_TABLES_IN_PARENTHESES, null);
        }
        switch(dialect) {
            // By default, render the dialect's limit clause
            default:
                {
                    toSQLReferenceLimitDefault(context);
                    break;
                }
        }
        // [#1296] FOR UPDATE is emulated in some dialects using ResultSet.CONCUR_UPDATABLE
        if (forUpdate && !asList(CUBRID).contains(family)) {
            context.formatSeparator().keyword("for update");
            if (!forUpdateOf.isEmpty()) {
                // [#4151] Some databases don't allow for qualifying column
                // names here. Copy also to TableList
                boolean unqualified = asList(DERBY, FIREBIRD, H2, HSQLDB).contains(context.family());
                boolean qualify = context.qualify();
                if (unqualified)
                    context.qualify(false);
                context.sql(' ').keyword("of").sql(' ').visit(forUpdateOf);
                if (unqualified)
                    context.qualify(qualify);
            } else if (!forUpdateOfTables.isEmpty()) {
                context.sql(' ').keyword("of").sql(' ');
                switch(family) {
                    case DERBY:
                        {
                            forUpdateOfTables.toSQLFields(context);
                            break;
                        }
                    // Render the OF [table-names] clause
                    default:
                        Tools.tableNames(context, forUpdateOfTables);
                        break;
                }
            }
            // FOR UPDATE semantics, we should use FOR UPDATE WITH LOCK
            if (family == FIREBIRD) {
                context.sql(' ').keyword("with lock");
            }
            if (forUpdateMode != null) {
                context.sql(' ');
                context.keyword(forUpdateMode.toSQL());
                if (forUpdateMode == ForUpdateMode.WAIT) {
                    context.sql(' ');
                    context.sql(forUpdateWait);
                }
            }
        } else if (forShare) {
            switch(dialect) {
                // MySQL has a non-standard implementation for the "FOR SHARE" clause
                case MARIADB:
                case MYSQL:
                    context.formatSeparator().keyword("lock in share mode");
                    break;
                // Postgres is known to implement the "FOR SHARE" clause like this
                default:
                    context.formatSeparator().keyword("for share");
                    break;
            }
        }
        // end-of-query clauses are appended to the end of a query
        if (!StringUtils.isBlank(option)) {
            context.formatSeparator().sql(option);
        }
        if (TRUE.equals(wrapDerivedTables)) {
            context.formatIndentEnd().formatNewLine().sql(')').data(DATA_WRAP_DERIVED_TABLES_IN_PARENTHESES, true);
        }
    } finally {
        context.data(DATA_LOCALLY_SCOPED_DATA_MAP, localDataMap);
        if (renderTrailingLimit != null)
            context.data(DATA_RENDER_TRAILING_LIMIT_IF_APPLICABLE, renderTrailingLimit);
    }
}
Also used : SQLDialect(org.jooq.SQLDialect)

Example 22 with SQLDialect

use of org.jooq.SQLDialect in project jOOQ by jOOQ.

the class RowSubqueryCondition method delegate.

private final QueryPartInternal delegate(Context<?> ctx) {
    final Configuration configuration = ctx.configuration();
    final RenderContext render = ctx instanceof RenderContext ? (RenderContext) ctx : null;
    SQLDialect family = configuration.dialect().family();
    // [#3505] TODO: Emulate this where it is not supported
    if (rightQuantified != null) {
        return new Native();
    } else // predicates with row value expressions and subqueries:
    if (asList(H2, HSQLDB, MARIADB, MYSQL, POSTGRES).contains(family)) {
        return new Native();
    } else // [#2395] All other configurations have to be emulated
    {
        String table = render == null ? "t" : render.nextAlias();
        List<String> names = new ArrayList<String>();
        for (int i = 0; i < left.size(); i++) {
            names.add(table + "_" + i);
        }
        Field<?>[] fields = new Field[names.size()];
        for (int i = 0; i < fields.length; i++) {
            fields[i] = field(name(table, names.get(i)));
        }
        Condition condition;
        switch(comparator) {
            case GREATER:
                condition = ((RowN) left).gt(row(fields));
                break;
            case GREATER_OR_EQUAL:
                condition = ((RowN) left).ge(row(fields));
                break;
            case LESS:
                condition = ((RowN) left).lt(row(fields));
                break;
            case LESS_OR_EQUAL:
                condition = ((RowN) left).le(row(fields));
                break;
            case IN:
            case EQUALS:
            case NOT_IN:
            case NOT_EQUALS:
            default:
                condition = ((RowN) left).eq(row(fields));
                break;
        }
        Select<Record> subselect = select().from(right.asTable(table, names.toArray(EMPTY_STRING))).where(condition);
        switch(comparator) {
            case NOT_IN:
            case NOT_EQUALS:
                return (QueryPartInternal) notExists(subselect);
            default:
                return (QueryPartInternal) exists(subselect);
        }
    }
}
Also used : Condition(org.jooq.Condition) RenderContext(org.jooq.RenderContext) RowN(org.jooq.RowN) Configuration(org.jooq.Configuration) SQLDialect(org.jooq.SQLDialect) Select(org.jooq.Select) QuantifiedSelect(org.jooq.QuantifiedSelect) ArrayList(java.util.ArrayList) Arrays.asList(java.util.Arrays.asList) List(java.util.List)

Example 23 with SQLDialect

use of org.jooq.SQLDialect in project OpenAttestation by OpenAttestation.

the class TagJdbi method jooq.

/**
     * CODE QUALITY: All usage of this method should be in the following form:
     * <pre>
     * try(JooqContainer jc = TagJdbi.jooq()) {
     * DSLContext jooq = jc.getDslContext();
     * // code
     * }
     * </pre>
     *
     * This ensures the jooq database connection is automatically released
     * at the end of the block (either closed or returned to the pool)
     * 
     * @return
     * @throws SQLException
     * @throws IOException
     */
public static JooqContainer jooq() throws SQLException, IOException {
    // omits the schema name from generated sql ; when we connect to the database we already specify a schema so this settings avoid 
    // redundancy in the sql and allows the administrator to change the database name without breaking the application
    Settings settings = new Settings().withRenderSchema(false).withRenderNameStyle(RenderNameStyle.LOWER);
    SQLDialect dbDialect = getSqlDialect();
    // throws SQLException; Note that the DSLContext doesn't close the connection. We'll have to do that ourselves.
    Connection connection = TagJdbi.getDataSource().getConnection();
    DSLContext jooq = DSL.using(connection, dbDialect, settings);
    return new JooqContainer(jooq, connection);
}
Also used : JooqContainer(com.intel.mtwilson.jooq.util.JooqContainer) SQLDialect(org.jooq.SQLDialect) Connection(java.sql.Connection) DSLContext(org.jooq.DSLContext) Settings(org.jooq.conf.Settings)

Example 24 with SQLDialect

use of org.jooq.SQLDialect in project spring-boot by spring-projects.

the class JooqPropertiesTests method determineSqlDialectNoCheckIfDialectIsSet.

@Test
void determineSqlDialectNoCheckIfDialectIsSet() throws SQLException {
    JooqProperties properties = load("spring.jooq.sql-dialect=postgres");
    DataSource dataSource = mockStandaloneDataSource();
    SQLDialect sqlDialect = properties.determineSqlDialect(dataSource);
    assertThat(sqlDialect).isEqualTo(SQLDialect.POSTGRES);
    then(dataSource).should(never()).getConnection();
}
Also used : SQLDialect(org.jooq.SQLDialect) DataSource(javax.sql.DataSource) Test(org.junit.jupiter.api.Test)

Example 25 with SQLDialect

use of org.jooq.SQLDialect in project spring-boot by spring-projects.

the class JooqPropertiesTests method determineSqlDialectWithKnownUrl.

@Test
void determineSqlDialectWithKnownUrl() {
    JooqProperties properties = load();
    SQLDialect sqlDialect = properties.determineSqlDialect(mockDataSource("jdbc:h2:mem:testdb"));
    assertThat(sqlDialect).isEqualTo(SQLDialect.H2);
}
Also used : SQLDialect(org.jooq.SQLDialect) Test(org.junit.jupiter.api.Test)

Aggregations

SQLDialect (org.jooq.SQLDialect)36 List (java.util.List)7 Select (org.jooq.Select)7 Condition (org.jooq.Condition)6 Table (org.jooq.Table)6 Set (java.util.Set)5 Configuration (org.jooq.Configuration)5 QueryPart (org.jooq.QueryPart)5 Record (org.jooq.Record)5 Connection (java.sql.Connection)4 Collection (java.util.Collection)4 Field (org.jooq.Field)4 TRUE (java.lang.Boolean.TRUE)3 SQLException (java.sql.SQLException)3 ArrayList (java.util.ArrayList)3 Arrays.asList (java.util.Arrays.asList)3 Clause (org.jooq.Clause)3 Comparator (org.jooq.Comparator)3 Context (org.jooq.Context)3 Name (org.jooq.Name)3