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Example 81 with Value

use of com.wplatform.ddal.value.Value in project jdbc-shards by wplatform.

the class JdbcConnection method createClob.

/**
     * Create a Clob value from this reader.
     *
     * @param x      the reader
     * @param length the length (if smaller or equal than 0, all data until the
     *               end of file is read)
     * @return the value
     */
public Value createClob(Reader x, long length) {
    if (x == null) {
        return ValueNull.INSTANCE;
    }
    if (length <= 0) {
        length = -1;
    }
    Value v = ValueLobDb.createTempClob(x, length);
    session.addTemporaryLob(v);
    return v;
}
Also used : Value(com.wplatform.ddal.value.Value)

Example 82 with Value

use of com.wplatform.ddal.value.Value in project jdbc-shards by wplatform.

the class JdbcConnection method createNClob.

/**
     * Create a new empty NClob object.
     *
     * @return the object
     */
@Override
public NClob createNClob() throws SQLException {
    try {
        int id = getNextId(TraceObject.CLOB);
        debugCodeAssign("NClob", TraceObject.CLOB, id, "createNClob()");
        checkClosedForWrite();
        try {
            Value v = ValueLobDb.createTempClob(new InputStreamReader(new ByteArrayInputStream(Utils.EMPTY_BYTES)), 0);
            session.addTemporaryLob(v);
            return new JdbcClob(this, v, id);
        } finally {
            afterWriting();
        }
    } catch (Exception e) {
        throw logAndConvert(e);
    }
}
Also used : InputStreamReader(java.io.InputStreamReader) ByteArrayInputStream(java.io.ByteArrayInputStream) Value(com.wplatform.ddal.value.Value) Savepoint(java.sql.Savepoint) SQLClientInfoException(java.sql.SQLClientInfoException) SQLException(java.sql.SQLException) DbException(com.wplatform.ddal.message.DbException)

Example 83 with Value

use of com.wplatform.ddal.value.Value in project jdbc-shards by wplatform.

the class JdbcConnection method createBlob.

/**
     * Create a new empty Blob object.
     *
     * @return the object
     */
@Override
public Blob createBlob() throws SQLException {
    try {
        int id = getNextId(TraceObject.BLOB);
        debugCodeAssign("Blob", TraceObject.BLOB, id, "createClob()");
        checkClosedForWrite();
        try {
            Value v = ValueLobDb.createTempBlob(new ByteArrayInputStream(Utils.EMPTY_BYTES), 0);
            session.addTemporaryLob(v);
            return new JdbcBlob(this, v, id);
        } finally {
            afterWriting();
        }
    } catch (Exception e) {
        throw logAndConvert(e);
    }
}
Also used : ByteArrayInputStream(java.io.ByteArrayInputStream) Value(com.wplatform.ddal.value.Value) Savepoint(java.sql.Savepoint) SQLClientInfoException(java.sql.SQLClientInfoException) SQLException(java.sql.SQLException) DbException(com.wplatform.ddal.message.DbException)

Example 84 with Value

use of com.wplatform.ddal.value.Value in project jdbc-shards by wplatform.

the class Trace method formatParams.

/**
     * Format the parameter list.
     *
     * @param parameters the parameter list
     * @return the formatted text
     */
public static String formatParams(ArrayList<? extends ParameterInterface> parameters) {
    if (parameters.size() == 0) {
        return "";
    }
    StatementBuilder buff = new StatementBuilder();
    int i = 0;
    boolean params = false;
    for (ParameterInterface p : parameters) {
        if (p.isValueSet()) {
            if (!params) {
                buff.append(" {");
                params = true;
            }
            buff.appendExceptFirst(", ");
            Value v = p.getParamValue();
            buff.append(++i).append(": ").append(v.getTraceSQL());
        }
    }
    if (params) {
        buff.append('}');
    }
    return buff.toString();
}
Also used : ParameterInterface(com.wplatform.ddal.command.expression.ParameterInterface) StatementBuilder(com.wplatform.ddal.util.StatementBuilder) Value(com.wplatform.ddal.value.Value)

Aggregations

Value (com.wplatform.ddal.value.Value)84 Expression (com.wplatform.ddal.command.expression.Expression)14 Column (com.wplatform.ddal.dbobject.table.Column)14 StatementBuilder (com.wplatform.ddal.util.StatementBuilder)13 DbException (com.wplatform.ddal.message.DbException)9 SQLException (java.sql.SQLException)8 Row (com.wplatform.ddal.result.Row)7 SearchRow (com.wplatform.ddal.result.SearchRow)7 PreparedStatement (java.sql.PreparedStatement)7 TableMate (com.wplatform.ddal.dbobject.table.TableMate)6 LocalResult (com.wplatform.ddal.result.LocalResult)6 ResultInterface (com.wplatform.ddal.result.ResultInterface)5 Connection (java.sql.Connection)5 Parameter (com.wplatform.ddal.command.expression.Parameter)4 List (java.util.List)4 DataSource (javax.sql.DataSource)4 Query (com.wplatform.ddal.command.dml.Query)3 TableFilter (com.wplatform.ddal.dbobject.table.TableFilter)3 TableNode (com.wplatform.ddal.dispatch.rule.TableNode)3 JdbcWorker (com.wplatform.ddal.excutor.JdbcWorker)3