Examples with ColumnInfo org.apache.derby.impl.sql.execute.ColumnInfo used on opensource projects

Example 1 with ColumnInfo

use of org.apache.derby.impl.sql.execute.ColumnInfo in project derby by apache.

the class CreateTableNode method makeConstantAction.

/**
 * Create the Constant information that will drive the guts of Execution.
 *
 * @exception StandardException		Thrown on failure
 */
@Override
public ConstantAction makeConstantAction() throws StandardException {
    TableElementList coldefs = tableElementList;
    // for each column, stuff system.column
    ColumnInfo[] colInfos = new ColumnInfo[coldefs.countNumberOfColumns()];
    int numConstraints = coldefs.genColumnInfos(colInfos);
    /* If we've seen a constraint, then build a constraint list */
    CreateConstraintConstantAction[] conActions = null;
    SchemaDescriptor sd = getSchemaDescriptor(tableType != TableDescriptor.GLOBAL_TEMPORARY_TABLE_TYPE, true);
    if (numConstraints > 0) {
        conActions = new CreateConstraintConstantAction[numConstraints];
        coldefs.genConstraintActions(true, conActions, getRelativeName(), sd, getDataDictionary());
    }
    // if the any of columns are "long" and user has not specified a
    // page size, set the pagesize to 32k.
    // Also in case where the approximate sum of the column sizes is
    // greater than the bump threshold , bump the pagesize to 32k
    boolean table_has_long_column = false;
    int approxLength = 0;
    for (int i = 0; i < colInfos.length; i++) {
        DataTypeDescriptor dts = colInfos[i].getDataType();
        if (dts.getTypeId().isLongConcatableTypeId()) {
            table_has_long_column = true;
            break;
        }
        approxLength += dts.getTypeId().getApproximateLengthInBytes(dts);
    }
    if (table_has_long_column || (approxLength > Property.TBL_PAGE_SIZE_BUMP_THRESHOLD)) {
        if (((properties == null) || (properties.get(Property.PAGE_SIZE_PARAMETER) == null)) && (PropertyUtil.getServiceProperty(getLanguageConnectionContext().getTransactionCompile(), Property.PAGE_SIZE_PARAMETER) == null)) {
            if (properties == null)
                properties = new Properties();
            properties.put(Property.PAGE_SIZE_PARAMETER, Property.PAGE_SIZE_DEFAULT_LONG);
        }
    }
    return (getGenericConstantActionFactory().getCreateTableConstantAction(sd.getSchemaName(), getRelativeName(), tableType, colInfos, conActions, properties, lockGranularity, onCommitDeleteRows, onRollbackDeleteRows));
}

Example 2 with ColumnInfo

use of org.apache.derby.impl.sql.execute.ColumnInfo in project derby by apache.

the class CreateViewNode method genColumnInfos.

/**
 * Fill in the ColumnInfo[] for this create view.
 *
 * @param colInfos	The ColumnInfo[] to be filled in.
 */
private void genColumnInfos(ColumnInfo[] colInfos) {
    ResultColumnList rcl = queryExpression.getResultColumns();
    for (int index = 0; index < colInfos.length; index++) {
        ResultColumn rc = rcl.elementAt(index);
        // range.
        if (SanityManager.DEBUG) {
            if (rc.isGenerated())
                SanityManager.THROWASSERT("Encountered generated column in expected visible range at rcl[" + index + "]");
        }
        // RESOLVEAUTOINCREMENT
        colInfos[index] = new ColumnInfo(rc.getName(), rc.getType(), null, null, null, null, null, ColumnInfo.CREATE, 0, 0, false, 0);
    }
}

Example 3 with ColumnInfo

use of org.apache.derby.impl.sql.execute.ColumnInfo in project derby by apache.

the class TableElementList method genColumnInfos.

/**
 * Fill in the ColumnInfo[] for this table element list.
 *
 * @param colInfos	The ColumnInfo[] to be filled in.
 *
 * @return int		The number of constraints in the create table.
 */
int genColumnInfos(ColumnInfo[] colInfos) throws StandardException {
    int numConstraints = 0;
    int size = size();
    for (int index = 0; index < size; index++) {
        if (elementAt(index).getElementType() == TableElementNode.AT_DROP_COLUMN) {
            String columnName = elementAt(index).getName();
            colInfos[index] = new ColumnInfo(columnName, td.getColumnDescriptor(columnName).getType(), null, null, null, null, null, ColumnInfo.DROP, 0, 0, false, 0);
            break;
        }
        if (!(elementAt(index) instanceof ColumnDefinitionNode)) {
            if (SanityManager.DEBUG) {
                SanityManager.ASSERT(elementAt(index) instanceof ConstraintDefinitionNode, "elementAt(index) expected to be instanceof " + "ConstraintDefinitionNode");
            }
            /* Remember how many constraints we've seen */
            numConstraints++;
            continue;
        }
        ColumnDefinitionNode coldef = (ColumnDefinitionNode) elementAt(index);
        // 
        // Generated columns may depend on functions mentioned in their
        // generation clauses.
        // 
        ProviderList apl = null;
        ProviderInfo[] providerInfos = null;
        if (coldef.hasGenerationClause()) {
            apl = coldef.getGenerationClauseNode().getAuxiliaryProviderList();
        }
        if (apl != null && apl.size() > 0) {
            DependencyManager dm = getDataDictionary().getDependencyManager();
            providerInfos = dm.getPersistentProviderInfos(apl);
        }
        colInfos[index - numConstraints] = new ColumnInfo(coldef.getColumnName(), coldef.getType(), coldef.getDefaultValue(), coldef.getDefaultInfo(), providerInfos, (UUID) null, coldef.getOldDefaultUUID(), coldef.getAction(), (coldef.isAutoincrementColumn() ? coldef.getAutoincrementStart() : 0), (coldef.isAutoincrementColumn() ? coldef.getAutoincrementIncrement() : 0), (coldef.isAutoincrementColumn() ? coldef.getAutoincrementCycle() : false), (coldef.isAutoincrementColumn() ? coldef.getAutoinc_create_or_modify_Start_Increment() : -1));
        /* Remember how many constraints that we've seen */
        if (coldef.hasConstraint()) {
            numConstraints++;
        }
    }
    return numConstraints;
}