Package org.lealone.expression

Examples of org.lealone.expression.Expression

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            for (Column nc : newColumns) {
                if (columnList.length() > 0) {
                    columnList.append(", ");
                }
                if (type == CommandInterface.ALTER_TABLE_ADD_COLUMN && columnsToAdd.contains(nc)) {
                    Expression def = nc.getDefaultExpression();
                    columnList.append(def == null ? "NULL" : def.getSQL());
                } else {
                    columnList.append(nc.getSQL());
                }
            }
            buff.append(" AS SELECT ");
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    protected Row createRow(Expression[] expr, int rowId) {
        Row newRow = table.getTemplateRow();
        for (int i = 0, len = columns.length; i < len; i++) {
            Column c = columns[i];
            int index = c.getColumnId();
            Expression e = expr[i];
            if (e != null) {
                // e can be null (DEFAULT)
                try {
                    Value v = c.convert(e.getValue(session));
                    newRow.setValue(index, v);
                } catch (DbException ex) {
                    throw setRow(ex, rowId, getSQL(expr));
                }
            }
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            for (Expression[] expr : list) {
                if (expr.length != columns.length) {
                    throw DbException.get(ErrorCode.COLUMN_COUNT_DOES_NOT_MATCH);
                }
                for (int i = 0; i < expr.length; i++) {
                    Expression e = expr[i];
                    if (e != null) {
                        expr[i] = e.optimize(session);
                    }
                }
            }
        } else {
            query.prepare();
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    private void setParameters() {
        Prepared prepared = procedure.getPrepared();
        ArrayList<Parameter> params = prepared.getParameters();
        for (int i = 0; params != null && i < params.size() && i < expressions.size(); i++) {
            Expression expr = expressions.get(i);
            Parameter p = params.get(i);
            p.setValue(expr.getValue(session));
        }
    }
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Related Classes of org.lealone.expression.Expression

  • org.lealone.cassandra.command.CassandraParser
  • org.lealone.command.ddl.AlterTableAlterColumn
  • org.lealone.command.ddl.CreateTable
  • org.lealone.command.dml.ExecuteProcedure
  • org.lealone.command.dml.Insert
  • org.lealone.command.dml.Merge
  • org.lealone.command.dml.Query
  • org.lealone.command.dml.Select
  • org.lealone.command.dml.SelectListColumnResolver
  • org.lealone.command.dml.SelectUnion
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