Package org.apache.derby.catalog

Examples of org.apache.derby.catalog.DefaultInfo

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            if ( rc.hasGenerationClause() )
            {
                ColumnDescriptor    colDesc = rc.getTableColumnDescriptor();
                DataTypeDescriptor  dtd = colDesc.getType();
                DefaultInfo             di = colDesc.getDefaultInfo();
                ValueNode   generationClause = parseGenerationClause( di.getDefaultText(), targetTableDescriptor );

                // insert CAST in case column data type is not same as the
                // resolved type of the generation clause
                generationClause = (ValueNode) getNodeFactory().getNode
                    (
                     C_NodeTypes.CAST_NODE,
                     generationClause,
                     dtd,
                     getContextManager()
                     );

                //
                // Unqualified function references should resolve to the
                // current schema at the time that the table was
                // created/altered. See DERBY-3945.
                //
                SchemaDescriptor    originalCurrentSchema = getSchemaDescriptor( di.getOriginalCurrentSchema(), true );
                compilerContext.pushCompilationSchema( originalCurrentSchema );

        try {
                    bindRowScopedExpression( getNodeFactory(), getContextManager(), targetTableDescriptor, sourceRCL, generationClause );
                }
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   *
   * @exception StandardException if update to default fails
   */
    private void updateNewColumnToDefault(ColumnDescriptor columnDescriptor)
            throws StandardException {
        DefaultInfo defaultInfo = columnDescriptor.getDefaultInfo();
        String  columnName = columnDescriptor.getColumnName();
        String  defaultText;

        if ( defaultInfo.isGeneratedColumn() ) { defaultText = "default"; }
        else { defaultText = columnDescriptor.getDefaultInfo().getDefaultText(); }
           
    /* Need to use delimited identifiers for all object names
     * to ensure correctness.
     */
 
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    }

        for ( int gcIdx = 0; gcIdx < generatedColumnCount; gcIdx++ )
        {
            ColumnDescriptor    gc = generatedColumns.elementAt( gcIdx );
            DefaultInfo             defaultInfo = gc.getDefaultInfo();
            String[]                       mentionedColumnNames = defaultInfo.getReferencedColumnNames();
            int                         mentionedColumnCount = mentionedColumnNames.length;

            // handle the case of setting a generated column to the DEFAULT
            // literal
            if ( updatedColumns.contains( gc.getColumnName() ) ) { affectedGeneratedColumns.add( tableID, gc ); }
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        ColumnDescriptor    columnDescriptor,
    LanguageConnectionContext    lcc
  )
    throws StandardException
  {
        DefaultInfo defaultInfo = columnDescriptor.getDefaultInfo();
        String  columnName = columnDescriptor.getColumnName();
        String  defaultText;

        if ( defaultInfo.isGeneratedColumn() ) { defaultText = "default"; }
        else { defaultText = columnDescriptor.getDefaultInfo().getDefaultText(); }
           
    /* Need to use delimited identifiers for all object names
     * to ensure correctness.
     */
 
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            if ( rc.hasGenerationClause() )
            {
                ColumnDescriptor    colDesc = rc.getTableColumnDescriptor();
                DataTypeDescriptor  dtd = colDesc.getType();
                DefaultInfo             di = colDesc.getDefaultInfo();
                ValueNode   generationClause = parseGenerationClause( di.getDefaultText(), targetTableDescriptor );

                // insert CAST in case column data type is not same as the
                // resolved type of the generation clause
                generationClause = (ValueNode) getNodeFactory().getNode
                    (
                     C_NodeTypes.CAST_NODE,
                     generationClause,
                     dtd,
                     getContextManager()
                     );

                //
                // Unqualified function references should resolve to the
                // current schema at the time that the table was
                // created/altered. See DERBY-3945.
                //
                SchemaDescriptor    originalCurrentSchema = getSchemaDescriptor( di.getOriginalCurrentSchema(), true );
                compilerContext.pushCompilationSchema( originalCurrentSchema );

        try {
                    bindRowScopedExpression( getNodeFactory(), getContextManager(), targetTableDescriptor, sourceRCL, generationClause );
                }
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            if ( rc.hasGenerationClause() )
            {
                ColumnDescriptor    colDesc = rc.getTableColumnDescriptor();
                DataTypeDescriptor  dtd = colDesc.getType();
                DefaultInfo             di = colDesc.getDefaultInfo();
                ValueNode   generationClause = parseGenerationClause( di.getDefaultText(), targetTableDescriptor );

                // insert CAST in case column data type is not same as the
                // resolved type of the generation clause
                generationClause = (ValueNode) getNodeFactory().getNode
                    (
                     C_NodeTypes.CAST_NODE,
                     generationClause,
                     dtd,
                     getContextManager()
                     );

                //
                // Unqualified function references should resolve to the
                // current schema at the time that the table was
                // created/altered. See DERBY-3945.
                //
                SchemaDescriptor    originalCurrentSchema = getSchemaDescriptor( di.getOriginalCurrentSchema(), true );
                compilerContext.pushCompilationSchema( originalCurrentSchema );

        try {
                    bindRowScopedExpression( getNodeFactory(), getContextManager(), targetTableDescriptor, sourceRCL, generationClause );
                }
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    }

        for ( int gcIdx = 0; gcIdx < generatedColumnCount; gcIdx++ )
        {
            ColumnDescriptor    gc = generatedColumns.elementAt( gcIdx );
            DefaultInfo             defaultInfo = gc.getDefaultInfo();
            String[]                       mentionedColumnNames = defaultInfo.getReferencedColumnNames();
            int                         mentionedColumnCount = mentionedColumnNames.length;

            // handle the case of setting a generated column to the DEFAULT
            // literal
            if ( updatedColumns.contains( gc.getColumnName() ) ) { affectedGeneratedColumns.add( tableID, gc ); }
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        ColumnDescriptor    columnDescriptor,
    LanguageConnectionContext    lcc
  )
    throws StandardException
  {
        DefaultInfo defaultInfo = columnDescriptor.getDefaultInfo();
        String  columnName = columnDescriptor.getColumnName();
        String  defaultText;

        if ( defaultInfo.isGeneratedColumn() ) { defaultText = "default"; }
        else { defaultText = columnDescriptor.getDefaultInfo().getDefaultText(); }
           
    /* Need to use delimited identifiers for all object names
     * to ensure correctness.
     */
 
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     */
    private void assertDefaultInfo
        ( Connection conn, String tableName, String columnName, String[] expectedReferenceColumns, String expectedDefaultText )
        throws Exception
    {
        DefaultInfo di = getColumnDefault( conn, tableName, columnName );
        String[]        actualReferenceColumns = di.getReferencedColumnNames();

        assertEquals
            ( fill( expectedReferenceColumns ).toString(), fill( actualReferenceColumns ).toString() );
        assertEquals( expectedDefaultText, di.getDefaultText() );

        assertTrue( di.isGeneratedColumn() );
    }
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        ps.setString( 2, columnName );

        ResultSet       rs = ps.executeQuery();
        rs.next();

        DefaultInfo result = (DefaultInfo) rs.getObject( 1 );

        rs.close();
        ps.close();

        return result;
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Related Classes of org.apache.derby.catalog.DefaultInfo

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  • org.apache.derby.impl.sql.compile.UpdateNode
  • org.apache.derby.impl.sql.execute.AlterTableConstantAction
  • org.apache.derbyTesting.functionTests.tests.lang.GeneratedColumnsTest
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