Examples with AliasInfo org.apache.derby.catalog.AliasInfo used on opensource projects

Example 1 with AliasInfo

use of org.apache.derby.catalog.AliasInfo in project derby by apache.

the class AggregateNode method resolveBuiltinAggregate.

/**
 * Construct an AliasDescriptor for a modern builtin aggregate.
 */
private static AliasDescriptor resolveBuiltinAggregate(DataDictionary dd, String rawName, boolean noSchema) throws StandardException {
    // builtin aggregates may not be schema-qualified
    if (!noSchema) {
        return null;
    }
    BuiltinAggDescriptor bad = null;
    for (BuiltinAggDescriptor aggDescriptor : BUILTIN_MODERN_AGGS) {
        if (aggDescriptor.aggName.equals(rawName)) {
            bad = aggDescriptor;
            break;
        }
    }
    if (bad == null) {
        return null;
    }
    AliasInfo aliasInfo = new AggregateAliasInfo(bad.argType, bad.returnType);
    return new AliasDescriptor(dd, null, rawName, dd.getSystemSchemaDescriptor().getUUID(), bad.aggClassName, AliasInfo.ALIAS_TYPE_AGGREGATE_AS_CHAR, AliasInfo.ALIAS_NAME_SPACE_AGGREGATE_AS_CHAR, false, aliasInfo, null);
}

Example 2 with AliasInfo

use of org.apache.derby.catalog.AliasInfo in project derby by apache.

the class SYSALIASESRowFactory method buildDescriptor.

// /////////////////////////////////////////////////////////////////////////
// 
// ABSTRACT METHODS TO BE IMPLEMENTED BY CHILDREN OF CatalogRowFactory
// 
// /////////////////////////////////////////////////////////////////////////
/**
 * Make a AliasDescriptor out of a SYSALIASES row
 *
 * @param row a SYSALIASES row
 * @param parentTupleDescriptor	Null for this kind of descriptor.
 * @param dd dataDictionary
 *
 * @exception   StandardException thrown on failure
 */
public TupleDescriptor buildDescriptor(ExecRow row, TupleDescriptor parentTupleDescriptor, DataDictionary dd) throws StandardException {
    if (SanityManager.DEBUG) {
        SanityManager.ASSERT(row.nColumns() == SYSALIASES_COLUMN_COUNT, "Wrong number of columns for a SYSALIASES row");
    }
    char cAliasType;
    char cNameSpace;
    DataValueDescriptor col;
    String aliasID;
    UUID aliasUUID;
    String aliasName;
    String javaClassName;
    String sAliasType;
    String sNameSpace;
    String typeStr;
    boolean systemAlias = false;
    AliasInfo aliasInfo = null;
    /* 1st column is ALIASID (UUID - char(36)) */
    col = row.getColumn(SYSALIASES_ALIASID);
    aliasID = col.getString();
    aliasUUID = getUUIDFactory().recreateUUID(aliasID);
    /* 2nd column is ALIAS (varchar(128)) */
    col = row.getColumn(SYSALIASES_ALIAS);
    aliasName = col.getString();
    /* 3rd column is SCHEMAID (UUID - char(36)) */
    col = row.getColumn(SYSALIASES_SCHEMAID);
    UUID schemaUUID = col.isNull() ? null : getUUIDFactory().recreateUUID(col.getString());
    /* 4th column is JAVACLASSNAME (longvarchar) */
    col = row.getColumn(SYSALIASES_JAVACLASSNAME);
    javaClassName = col.getString();
    /* 5th column is ALIASTYPE (char(1)) */
    col = row.getColumn(SYSALIASES_ALIASTYPE);
    sAliasType = col.getString();
    if (SanityManager.DEBUG) {
        SanityManager.ASSERT(sAliasType.length() == 1, "Fifth column (aliastype) type incorrect");
        switch(sAliasType.charAt(0)) {
            case AliasInfo.ALIAS_TYPE_PROCEDURE_AS_CHAR:
            case AliasInfo.ALIAS_TYPE_FUNCTION_AS_CHAR:
            case AliasInfo.ALIAS_TYPE_SYNONYM_AS_CHAR:
            case AliasInfo.ALIAS_TYPE_UDT_AS_CHAR:
            case AliasInfo.ALIAS_TYPE_AGGREGATE_AS_CHAR:
                break;
            default:
                SanityManager.THROWASSERT("Invalid type value '" + sAliasType + "' for  alias");
        }
    }
    cAliasType = sAliasType.charAt(0);
    /* 6th column is NAMESPACE (char(1)) */
    col = row.getColumn(SYSALIASES_NAMESPACE);
    sNameSpace = col.getString();
    if (SanityManager.DEBUG) {
        SanityManager.ASSERT(sNameSpace.length() == 1, "Sixth column (namespace) type incorrect");
        switch(sNameSpace.charAt(0)) {
            case AliasInfo.ALIAS_NAME_SPACE_PROCEDURE_AS_CHAR:
            case AliasInfo.ALIAS_NAME_SPACE_FUNCTION_AS_CHAR:
            case AliasInfo.ALIAS_TYPE_SYNONYM_AS_CHAR:
            case AliasInfo.ALIAS_TYPE_UDT_AS_CHAR:
            case AliasInfo.ALIAS_TYPE_AGGREGATE_AS_CHAR:
                break;
            default:
                SanityManager.THROWASSERT("Invalid type value '" + sNameSpace + "' for  alias");
        }
    }
    cNameSpace = sNameSpace.charAt(0);
    /* 7th column is SYSTEMALIAS (boolean) */
    col = row.getColumn(SYSALIASES_SYSTEMALIAS);
    systemAlias = col.getBoolean();
    /* 8th column is ALIASINFO (org.apache.derby.catalog.AliasInfo) */
    col = row.getColumn(SYSALIASES_ALIASINFO);
    aliasInfo = (AliasInfo) col.getObject();
    /* 9th column is specific name */
    col = row.getColumn(SYSALIASES_SPECIFIC_NAME);
    String specificName = col.getString();
    /* now build and return the descriptor */
    return new AliasDescriptor(dd, aliasUUID, aliasName, schemaUUID, javaClassName, cAliasType, cNameSpace, systemAlias, aliasInfo, specificName);
}

Example 3 with AliasInfo

use of org.apache.derby.catalog.AliasInfo in project derby by apache.

the class SYSALIASESRowFactory method makeRow.

// ///////////////////////////////////////////////////////////////////////////
// 
// METHODS
// 
// ///////////////////////////////////////////////////////////////////////////
/**
 * Make a SYSALIASES row
 *
 * @return	Row suitable for inserting into SYSALIASES.
 *
 * @exception   StandardException thrown on failure
 */
public ExecRow makeRow(TupleDescriptor td, TupleDescriptor parent) throws StandardException {
    DataValueDescriptor col;
    String schemaID = null;
    String javaClassName = null;
    String sAliasType = null;
    String aliasID = null;
    String aliasName = null;
    String specificName = null;
    char cAliasType = AliasInfo.ALIAS_TYPE_PROCEDURE_AS_CHAR;
    char cNameSpace = AliasInfo.ALIAS_NAME_SPACE_PROCEDURE_AS_CHAR;
    boolean systemAlias = false;
    AliasInfo aliasInfo = null;
    if (td != null) {
        AliasDescriptor ad = (AliasDescriptor) td;
        aliasID = ad.getUUID().toString();
        aliasName = ad.getDescriptorName();
        schemaID = ad.getSchemaUUID().toString();
        javaClassName = ad.getJavaClassName();
        cAliasType = ad.getAliasType();
        cNameSpace = ad.getNameSpace();
        systemAlias = ad.getSystemAlias();
        aliasInfo = ad.getAliasInfo();
        specificName = ad.getSpecificName();
        char[] charArray = new char[1];
        charArray[0] = cAliasType;
        sAliasType = new String(charArray);
        if (SanityManager.DEBUG) {
            switch(cAliasType) {
                case AliasInfo.ALIAS_TYPE_PROCEDURE_AS_CHAR:
                case AliasInfo.ALIAS_TYPE_FUNCTION_AS_CHAR:
                case AliasInfo.ALIAS_TYPE_SYNONYM_AS_CHAR:
                case AliasInfo.ALIAS_TYPE_UDT_AS_CHAR:
                case AliasInfo.ALIAS_TYPE_AGGREGATE_AS_CHAR:
                    break;
                default:
                    SanityManager.THROWASSERT("Unexpected value (" + cAliasType + ") for aliasType");
            }
        }
    }
    /* Insert info into sysaliases */
    /* RESOLVE - It would be nice to require less knowledge about sysaliases
		 * and have this be more table driven.
		 */
    /* Build the row to insert */
    ExecRow row = getExecutionFactory().getValueRow(SYSALIASES_COLUMN_COUNT);
    /* 1st column is ALIASID (UUID - char(36)) */
    row.setColumn(SYSALIASES_ALIASID, new SQLChar(aliasID));
    /* 2nd column is ALIAS (varchar(128))) */
    row.setColumn(SYSALIASES_ALIAS, new SQLVarchar(aliasName));
    // System.out.println(" added row-- " + aliasName);
    /* 3rd column is SCHEMAID (UUID - char(36)) */
    row.setColumn(SYSALIASES_SCHEMAID, new SQLChar(schemaID));
    /* 4th column is JAVACLASSNAME (longvarchar) */
    row.setColumn(SYSALIASES_JAVACLASSNAME, dvf.getLongvarcharDataValue(javaClassName));
    /* 5th column is ALIASTYPE (char(1)) */
    row.setColumn(SYSALIASES_ALIASTYPE, new SQLChar(sAliasType));
    /* 6th column is NAMESPACE (char(1)) */
    String sNameSpace = new String(new char[] { cNameSpace });
    row.setColumn(SYSALIASES_NAMESPACE, new SQLChar(sNameSpace));
    /* 7th column is SYSTEMALIAS (boolean) */
    row.setColumn(SYSALIASES_SYSTEMALIAS, new SQLBoolean(systemAlias));
    /* 8th column is ALIASINFO (org.apache.derby.catalog.AliasInfo) */
    row.setColumn(SYSALIASES_ALIASINFO, new UserType(aliasInfo));
    /* 9th column is specific name */
    row.setColumn(SYSALIASES_SPECIFIC_NAME, new SQLVarchar(specificName));
    return row;
}